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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /roms/vgabios
downloadqemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.tar.gz
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qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.zip
Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'roms/vgabios')
-rw-r--r--roms/vgabios/.cvsignore1
-rw-r--r--roms/vgabios/BUGS3
-rw-r--r--roms/vgabios/COPYING504
-rw-r--r--roms/vgabios/ChangeLog1311
-rw-r--r--roms/vgabios/Makefile103
-rw-r--r--roms/vgabios/Notes11
-rw-r--r--roms/vgabios/README226
-rw-r--r--roms/vgabios/TODO26
-rw-r--r--roms/vgabios/biossums.c282
-rw-r--r--roms/vgabios/clext.c1641
-rwxr-xr-xroms/vgabios/dataseghack23
-rw-r--r--roms/vgabios/tests/lfbprof/Makefile5
-rw-r--r--roms/vgabios/tests/lfbprof/lfbprof.c594
-rw-r--r--roms/vgabios/tests/lfbprof/lfbprof.h149
-rw-r--r--roms/vgabios/tests/testbios.c353
-rw-r--r--roms/vgabios/vbe.c1456
-rw-r--r--roms/vgabios/vbe.h315
-rw-r--r--roms/vgabios/vbe_display_api.txt237
-rw-r--r--roms/vgabios/vbetables-gen.c261
-rw-r--r--roms/vgabios/vgabios.c3923
-rw-r--r--roms/vgabios/vgabios.h47
-rw-r--r--roms/vgabios/vgafonts.h784
-rw-r--r--roms/vgabios/vgatables.h622
23 files changed, 12877 insertions, 0 deletions
diff --git a/roms/vgabios/.cvsignore b/roms/vgabios/.cvsignore
new file mode 100644
index 00000000..1df04b72
--- /dev/null
+++ b/roms/vgabios/.cvsignore
@@ -0,0 +1 @@
+vbetables.h
diff --git a/roms/vgabios/BUGS b/roms/vgabios/BUGS
new file mode 100644
index 00000000..785f4dc3
--- /dev/null
+++ b/roms/vgabios/BUGS
@@ -0,0 +1,3 @@
+Not all the functions have been implemented yet.
+
+Please report any bugs to <info@vruppert.de>
diff --git a/roms/vgabios/COPYING b/roms/vgabios/COPYING
new file mode 100644
index 00000000..223ede7d
--- /dev/null
+++ b/roms/vgabios/COPYING
@@ -0,0 +1,504 @@
+ GNU LESSER GENERAL PUBLIC LICENSE
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diff --git a/roms/vgabios/ChangeLog b/roms/vgabios/ChangeLog
new file mode 100644
index 00000000..dbaed5dc
--- /dev/null
+++ b/roms/vgabios/ChangeLog
@@ -0,0 +1,1311 @@
+2009-04-07 20:18 vruppert
+
+ * vgabios.c (1.69):
+
+ - biosfn_write_teletype: fixed attribute when scrolling in text mode
+
+2009-04-06 20:17 vruppert
+
+ * ChangeLog (1.28), README (1.17):
+
+ - preparing for release 0.6c
+
+2009-01-25 16:46 vruppert
+
+ * vbe.c (1.62), vbe.h (1.28), vbetables-gen.c (1.5):
+
+ - added support for a lot more non-standard VBE modes (e.g. widescreen modes)
+ - requires latest Bochs VBE code (16 MB video memory, VBE_DISPI_ID5, VRAM size
+ in 64k pages stored in VBE register)
+ - check if VBE mode is supported with current VRAM size
+
+2009-01-24 11:02 vruppert
+
+ * clext.c (1.14), vbe.c (1.61), vgabios.c (1.68):
+
+ - use VBE LFB address from PCI base address if present (rewrite of the cirrus
+ specific function in main vgabios code)
+ - removed unnecessary spaces
+
+2008-12-14 09:29 vruppert
+
+ * clext.c (1.13):
+
+ - added DPMS support to cirrus vgabios (patch from Gleb Natapov)
+
+2008-05-30 17:28 vruppert
+
+ * README (1.16):
+
+ - updated for release 0.6b
+
+2008-05-22 12:55 vruppert
+
+ * ChangeLog (1.27), README (1.15):
+
+ - preparations for release 0.6b
+
+2008-05-11 08:40 vruppert
+
+ * biossums.c (1.6):
+
+ - fixed a warning
+
+2008-03-02 08:47 vruppert
+
+ * vbe.c (1.60):
+
+ - added debug message for unsupported VBE modes
+
+2008-02-24 09:18 vruppert
+
+ * vbe.c (1.59):
+
+ - in LFB modes the number of banks must be set to 1
+
+2008-01-27 10:44 vruppert
+
+ * Makefile (1.21), biossums.c (1.5), vgabios.c (1.67):
+
+ - added PCI data structure for the Cirrus VGABIOS images
+ - added support for the PCI data structure in biossums
+ - updated year in copyright
+
+2008-01-26 11:46 vruppert
+
+ * BUGS (1.4), Makefile (1.20), README (1.14), TODO (1.13), vbe_display_api.txt (1.14):
+
+ - whitespace cleanup
+
+2006-11-26 10:43 vruppert
+
+ * Makefile (1.19):
+
+ - disable the generation of linemarkers by the preprocessor, since the latest
+ versions of bcc don't like them
+
+2006-09-02 13:15 vruppert
+
+ * biossums.c (1.4):
+
+ - the biossums utility no longer modifies VGABIOS images with proper checksum
+ and size
+
+2006-08-19 14:28 vruppert
+
+ * Changelog (1.26), README (1.13), TODO (1.12):
+
+ - updates for 0.6a release
+
+2006-08-19 09:39 vruppert
+
+ * vbe.c (1.58):
+
+ - improved VGA compatible setup for VBE modes (disable CGA and Hercules
+ compatible memory layout)
+
+2006-08-18 20:39 vruppert
+
+ * vbe.c (1.57):
+
+ - improved VGA compatible setup for >=8bpp VBE modes (CRTC doubleword mode and
+ GRDC shift register setting added)
+ - now using symbolic name for CRTC address register
+
+2006-08-15 20:42 vruppert
+
+ * vbe.c (1.56), vbetables-gen.c (1.4):
+
+ - init 4bpp VBE modes by a temporary switch to VGA mode 0x6A
+ - all 4bpp VBE modes now enabled
+
+2006-08-14 20:24 vruppert
+
+ * vbe.c (1.55):
+
+ - VGA compatible setup for VBE modes improved (Bochs hack can be removed now)
+
+2006-08-12 07:51 vruppert
+
+ * .cvsignore (1.1):
+
+ - .cvsignore added for auto-generated file
+
+2006-08-12 07:47 vruppert
+
+ * vbe.c (1.54), vbe.h (1.27), vbe_display_api.txt (1.13), vbetables-gen.c (1.3):
+
+ - cleaned up VBE memory size definitions (removed duplicate defines, main
+ definition now in vbetables-gen.c)
+
+2006-08-09 21:28 vruppert
+
+ * vbetables.h (1.30):
+
+ - removed auto-generated file
+
+2006-08-09 21:26 vruppert
+
+ * vbe.c (1.53), vbe.h (1.26), vbe_display_api.txt (1.12), vbetables-gen.c (1.2),
+ vbetables.h (1.29):
+
+ - VBE video memory increased to 8 MB
+ - VBE dispi ID changed to B0C4
+ - documentation update
+
+2006-07-11 08:03 vruppert
+
+ * Makefile (1.18), vbetables-gen.c (1.1), vbetables.h (1.28):
+
+ - generate vbetables.h dynamicly
+ * initial patch from the qemu project by Fabrice Bellard
+ * only add modes that fit in video memory (still 4 MB)
+ * several other fixes (e.g. 4 bpp specific stuff, number of pages)
+
+2006-07-10 07:47 vruppert
+
+ * vgabios.c (1.66):
+
+ - biosfn_scroll(): check variable 'i' for underflowing when scrolling downwards
+ to avoid screen corruption
+
+2006-07-10 07:47 vruppert
+
+ * vbe.c (1.52):
+
+ - VBE set bank functions failure handling added
+ - VBE get/set logical scan line length fixes for the 4bpp mode
+
+2006-07-08 13:27 vruppert
+
+ * vbe.c (1.51), vbetables.h (1.27):
+
+ - added special case for the 4 bpp when setting VBE display start
+ - VBE mode table fixes
+
+2006-07-07 13:30 vruppert
+
+ * clext.c (1.12):
+
+ - bank pointer must be set to 0 after a mode set
+
+2006-06-21 16:58 vruppert
+
+ * vbe.c (1.50), vbetables.h (1.26):
+
+ - improved VBE display capabilities check (X resulution checked now)
+ - removed obsolete defines (LFB always available, always generate dynamic list)
+ - CR/LF to LF fixes
+
+2006-06-18 15:22 vruppert
+
+ * clext.c (1.11), vbe.c (1.49), vbe.h (1.25), vbetables.h (1.25), vgabios.c
+ (1.65):
+
+ - applied patch from the qemu project (Fabrice Bellard)
+ * Cirrus SVGA now supports the "no clear" bit when switching to Cirrus or
+ VESA mode
+ * Bochs VBE protected mode interface improved
+ * save/restore video state support for Bochs VBE and standard VGA added
+ * Bochs VBE prepared for more modi
+
+2006-03-25 10:19 vruppert
+
+ * clext.c (1.10), vgabios.c (1.64), vgatables.h (1.10):
+
+ - applied patch from Fabrice Bellard
+ * added minimal support for the video parameter table (VPT)
+ * added Cirrus SVGA mode 0x7b (1600x1200x8)
+
+2005-12-26 19:50 vruppert
+
+ * vbe.c (1.48), vgabios.c (1.63):
+
+ - Bochs VBE protected mode interface added (based on a patch by malc@pulsesoft.com)
+
+2005-12-26 19:50 vruppert
+
+ * biossums.c (1.3):
+
+ - biossums utility now supports VGABIOS sizes up to 64 kBytes
+
+2005-09-21 18:45 vruppert
+
+ * vgatables.h (1.9):
+
+ - mode 0x11: all color planes must be enabled in this 2-color VGA mode
+
+2005-08-30 18:41 vruppert
+
+ * biossums.c (1.2):
+
+ - missing license text added in biossums.c
+
+2005-07-02 18:39 vruppert
+
+ * vgabios.c (1.62):
+
+ - BIOS configuration word usually reports initial mode 80x25 color text
+ - vgabios function 0x0e (write teletype): linefeed (0x0a) only increments the
+ cursor row value
+
+2005-05-24 16:50 vruppert
+
+ * vbe.c (1.47), vgabios.c (1.61):
+
+ - output to the vgabios info port can be disabled now. It is still enabled by
+ default and always possible in debug mode. (based on a patch from Alex Beregszaszi)
+
+2005-05-20 16:06 vruppert
+
+ * vbe.c (1.46), vgabios.c (1.60):
+
+ - fixed return value for the default case in the VBE section (non-debug mode)
+ - removed unused macros HALT and PANIC_PORT
+
+2005-03-07 20:39 vruppert
+
+ * README (1.9):
+
+ - updates for 0.5a release
+
+2005-03-06 13:06 vruppert
+
+ * Makefile (1.17):
+
+ - vgabios files with cirrus support added to release target
+
+2005-03-06 12:24 vruppert
+
+ * Makefile (1.16):
+
+ - cross compilation support added (patch from Alex Beregszaszi)
+
+2005-03-05 13:03 vruppert
+
+ * BUGS (1.3), README (1.8), TODO (1.11):
+
+ - documentation updates
+
+2004-12-04 15:26 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.61), VGABIOS-lgpl-latest.cirrus.bin
+ (1.13), VGABIOS-lgpl-latest.cirrus.debug.bin (1.13),
+ VGABIOS-lgpl-latest.debug.bin (1.61), clext.c (1.9):
+
+ - Cirrus extension: support for 1280x1024x15 and 1280x1024x16 modes added (patch
+ from Fabrice Bellard)
+
+2004-08-08 16:53 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.60), VGABIOS-lgpl-latest.cirrus.bin (1.12),
+ VGABIOS-lgpl-latest.cirrus.debug.bin (1.12),
+ VGABIOS-lgpl-latest.debug.bin (1.60), clext.c (1.8):
+
+ - use single bank mode for VBE
+ - enable 16k granularity for VBE only
+
+2004-07-30 19:33 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.59), VGABIOS-lgpl-latest.cirrus.bin (1.11),
+ VGABIOS-lgpl-latest.cirrus.debug.bin (1.11),
+ VGABIOS-lgpl-latest.debug.bin (1.59), clext.c (1.7):
+
+ - cirrus init: set standard vga mode and reset bitblt
+
+2004-07-22 18:38 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.58), VGABIOS-lgpl-latest.cirrus.bin (1.10),
+ VGABIOS-lgpl-latest.cirrus.debug.bin (1.10),
+ VGABIOS-lgpl-latest.debug.bin (1.58), clext.c (1.6), vbe.c (1.45),
+ vbetables.h (1.24):
+
+ - cirrus extension: tables for mode 1280x1024x8 added
+ - vbe: dispi_set_xres() and dispi_set_virt_width() now modify vga compatible
+ registers
+ - vbe: mode list entry for mode 800x600x4 fixed
+
+2004-07-18 20:23 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.57), VGABIOS-lgpl-latest.cirrus.bin (1.9),
+ VGABIOS-lgpl-latest.cirrus.debug.bin (1.9),
+ VGABIOS-lgpl-latest.debug.bin (1.57), vgabios.c (1.59), vgatables.h (1.8):
+
+ - disable CRTC write protection before setting new values
+ - CRTC line for mode 0x6a fixed
+
+2004-07-07 16:08 vruppert
+
+ * Makefile (1.15), VGABIOS-lgpl-latest.bin (1.56),
+ VGABIOS-lgpl-latest.cirrus.bin (1.8), VGABIOS-lgpl-latest.cirrus.debug.bin (1.8),
+ VGABIOS-lgpl-latest.debug.bin (1.56), biossums.c (1.1), clext.c (1.5):
+
+ - biossums utility for the Bochs BIOS adapted for the LGPL'd VGABIOS
+ - VESA3 PMINFO checksum calculated in the source
+ - 24 bpp mode entries fixed (patch from Fabrice Bellard)
+
+2004-06-25 18:28 vruppert
+
+ * VGABIOS-lgpl-latest.cirrus.bin (1.7), VGABIOS-lgpl-latest.cirrus.debug.bin (1.7),
+ clext.c (1.4):
+
+ - 4MB memory probe added (patch from Fabrice Bellard)
+
+2004-06-25 17:31 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.55), VGABIOS-lgpl-latest.cirrus.bin (1.6),
+ VGABIOS-lgpl-latest.cirrus.debug.bin (1.6),
+ VGABIOS-lgpl-latest.debug.bin (1.55), clext.c (1.3):
+
+ - fixed value of sequencer reset register in cirrus mode table
+ - fixed possible overflow error if cirrus start address is >256k
+
+2004-06-23 21:11 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.54), VGABIOS-lgpl-latest.cirrus.bin (1.5),
+ VGABIOS-lgpl-latest.cirrus.debug.bin (1.5),
+ VGABIOS-lgpl-latest.debug.bin (1.54), clext.c (1.2):
+
+ - applied new patch for the cirrus extension from suzu
+ * enable VESA LFB support if a Cirrus PCI adapter is detected
+ * prepared VBE3 protected mode info block (test case required)
+ - added VBE functions 4F06h and 4F07h
+ - some bugfixes
+
+2004-06-17 18:57 vruppert
+
+ * Makefile (1.14), VGABIOS-lgpl-latest.bin (1.53),
+ VGABIOS-lgpl-latest.cirrus.bin (1.2), VGABIOS-lgpl-latest.cirrus.debug.bin (1.2),
+ VGABIOS-lgpl-latest.debug.bin (1.53):
+
+ - fixed makefile targets for the binaries with cirrus extension
+
+2004-06-16 21:11 vruppert
+
+ * Makefile (1.13), VGABIOS-lgpl-latest.bin (1.52),
+ VGABIOS-lgpl-latest.cirrus.bin (1.1), VGABIOS-lgpl-latest.cirrus.debug.bin (1.1),
+ VGABIOS-lgpl-latest.debug.bin (1.52), clext.c (1.1), vgabios.c (1.58):
+
+ - applied suzu's cirrus extension patch. Cirrus SVGA detection, most of the
+ cirrus-specific modes and some basic VBE features are present now.
+
+2004-05-31 21:15 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.51), VGABIOS-lgpl-latest.debug.bin (1.51),
+ vgabios.c (1.57):
+
+ - write character in planar graphics modes: sequencer map mask must be 0x0f and
+ bit operation must be 'replace' if bit 7 of attribute is clear
+ - read/write pixel in planar graphics modes: bit mask setup simplified
+
+2004-05-11 18:08 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.50), VGABIOS-lgpl-latest.debug.bin (1.50),
+ vgabios.c (1.56):
+
+ - biosfn_select_vert_res rewritten in assembler
+ - scroll text in planar graphics modes: attribute for blank line fixed
+ - write character in planar graphics modes: graphics controller values fixed
+
+2004-05-09 20:32 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.49), VGABIOS-lgpl-latest.debug.bin (1.49),
+ vbe.c (1.44), vbe.h (1.24), vgabios.c (1.55):
+
+ - VBE init code and some dispi ioport functions rewritten in assembler
+ - text scroll functions for CGA graphics modes added
+ - scroll text in graphics modes: attribute for blank line fixed
+
+2004-05-08 16:06 vruppert
+
+ * BUGS (1.2), README (1.7), TODO (1.10), VGABIOS-lgpl-latest.bin (1.48),
+ VGABIOS-lgpl-latest.debug.bin (1.48), vbe.c (1.43), vbe.h (1.23),
+ vbe_display_api.txt (1.11), vgabios.c (1.54):
+
+ - VBE internal functions dispi_set_enable and dispi_set_bank now called both from C
+ and asm code
+ - VBE function 0x03 rewritten in assembler
+ - VBE function 0x08 cleaned up
+ - text output and scroll functions for graphics modes rewritten using case
+ structures
+ - documentation and comments updated
+
+2004-05-06 21:18 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.47), VGABIOS-lgpl-latest.debug.bin (1.47),
+ vbe.c (1.42), vbe.h (1.22), vgabios.c (1.53):
+
+ - VBE functions 0x05, 0x06, 0x07 and some dispi ioport functions rewritten in
+ assembler
+ - VBE functions 0x06 and 0x07: get functions now supported, 15 bpp bug fixed
+
+2004-05-05 19:24 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.46), VGABIOS-lgpl-latest.debug.bin (1.46),
+ vbe.c (1.41), vbe.h (1.21), vbe_display_api.txt (1.10), vgabios.c (1.52):
+
+ - 8 bit DAC capability flag set
+ - vbe_biosfn_set_get_dac_palette_format implemented
+ - VBE api description updated
+ - C definitions from header files now used assembler code
+
+2004-05-02 17:27 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.45), VGABIOS-lgpl-latest.debug.bin (1.45),
+ vgabios.c (1.51):
+
+ - text scroll functions for PLANAR1/PLANAR4 graphics modes added
+ - function biosfn_get_ega_info rewritten in assembler
+ - read/write graphics pixel functions rewritten using a case structure
+
+2004-05-01 16:03 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.44), VGABIOS-lgpl-latest.debug.bin (1.44),
+ vgabios.c (1.50):
+
+ - biosfn_enable_cursor_emulation rewritten in assembler
+ - remap of the cursor shape depends on modeset control bit 0
+ - text output in PLANAR4 modes now supports attribute bit 7 (XOR with background)
+
+2004-04-25 20:13 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.43), VGABIOS-lgpl-latest.debug.bin (1.43),
+ vgabios.c (1.49), vgatables.h (1.7):
+
+ - table entries for vga mode 0x0f fixed (PLANAR2 exists on EGA only)
+ - function release_font_access now supports the monochrome text mode
+ - PLANAR1 modes now supported in text output functions and read/write pixel
+ - function AH=0x12/BL=0x32 rewritten in assembler
+
+2004-04-25 08:45 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.42), VGABIOS-lgpl-latest.debug.bin (1.42),
+ vgabios.c (1.48):
+
+ - block address calculation in font functions fixed
+ - functions AX=0x1103, AH=0x12/BL=0x31 and AH=0x12/BL=0x33 rewritten in assembler
+
+2004-04-24 09:59 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.41), VGABIOS-lgpl-latest.debug.bin (1.41),
+ vgabios.c (1.47):
+
+ - read/write graphics pixel for PLANAR4 modes added
+ - CGA specific functions (group AH = 0x0B) implemented
+
+2004-04-23 14:34 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.40), VGABIOS-lgpl-latest.debug.bin (1.40),
+ vgabios.c (1.46):
+
+ - remaining palette and dac read/write functions (except gray scale summing)
+ rewritten in assembler
+
+2004-04-18 13:43 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.39), VGABIOS-lgpl-latest.debug.bin (1.39),
+ vgabios.c (1.45):
+
+ - some palette and dac read/write functions rewritten in assembler
+ - main int10 debug message now works with assembler functions, too
+
+2004-04-18 09:15 japj
+
+ * vbe.c (1.40):
+
+ updated my email address + put vgabios url in the bios copyright string
+ (instead of my old email address)
+
+2004-04-17 07:18 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.38), VGABIOS-lgpl-latest.debug.bin (1.38),
+ vgabios.c (1.44):
+
+ - biosfn_set_video_mode: don't load DAC registers if default palette loading is
+ disabled. Perform gray scale summing if enabled.
+ - biosfn_perform_gray_scale_summing: switch between DAC read and write mode is
+ required to make this function work. Maximum DAC value always set to 0x3f.
+
+2004-04-08 17:50 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.37), VGABIOS-lgpl-latest.debug.bin (1.37),
+ vgabios.c (1.43):
+
+ - write character function for the LINEAR8 mode
+ - get_font_access() and release_font_access() rewritten in assembler
+ - fixed wrong variable name in the init code
+
+2004-04-06 19:31 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.36), VGABIOS-lgpl-latest.debug.bin (1.36),
+ vgabios.c (1.42):
+
+ - init functions rewitten in assembler
+ - function biosfn_set_display_code rewritten in assembler
+
+2004-04-05 19:40 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.35), VGABIOS-lgpl-latest.debug.bin (1.35),
+ vgabios.c (1.41):
+
+ - functions biosfn_get_video_mode() and biosfn_read_display_code() rewritten
+ in assembler
+
+2004-04-04 18:20 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.34), VGABIOS-lgpl-latest.debug.bin (1.34),
+ vgabios.c (1.40):
+
+ - write character function for CGA modes added
+ - read/write graphics pixel for CGA and LINEAR8 modes added
+
+2004-02-23 21:08 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.33), VGABIOS-lgpl-latest.debug.bin (1.33),
+ vbe.c (1.39):
+
+ - dispi_get_max_bpp(): restore the original value of the vbe enable register
+
+2004-02-22 14:17 vruppert
+
+ * README (1.6), vbe.c (1.38), vbe.h (1.20), vbe_display_api.txt (1.9),
+ VGABIOS-lgpl-latest.bin (1.32), VGABIOS-lgpl-latest.debug.bin (1.32):
+
+ - new function dispi_get_max_bpp() returns the bpp capabilities of the Bochs gui
+ - create the mode list depending on the supported bpp capability
+ - unused stuff removed
+ - documentation updated
+
+2004-02-21 18:20 vruppert
+
+ * vbe.c (1.37), vbe.h (1.19), vbetables.h (1.23),
+ VGABIOS-lgpl-latest.bin (1.31), VGABIOS-lgpl-latest.debug.bin (1.31):
+
+ - dynamicly genarated vbe mode_info list works now
+
+2003-11-17 21:04 vruppert
+
+ * vbe.c (1.36), vbetables.h (1.22), vgabios.c (1.39), vgatables.h (1.6),
+ VGABIOS-lgpl-latest.bin (1.30), VGABIOS-lgpl-latest.debug.bin (1.30):
+
+ - new VBE presence flag stored at unused BDA address 0xB9
+ - VBE init code rewritten
+ - added BIOS TTY flag for VBE mode 0x0102 (TODO: scrolling)
+ - vgabios_init_func: load and activate text font already done by set_video_mode
+ - function biosfn_get_all_palette_reg() fixed
+
+2003-11-06 00:26 cbothamy
+
+ * README (1.5):
+
+ - add changes for 0.4c release
+
+2003-11-06 00:22 cbothamy
+
+ * VGABIOS-lgpl-latest.bin (1.29), VGABIOS-lgpl-latest.debug.bin
+ (1.29):
+
+ - compile vgabios.c rev1.38
+
+2003-11-06 00:21 cbothamy
+
+ * vgabios.c (1.38):
+
+ - activate char table after loading it when setting a text video
+ mode
+
+2003-11-06 00:19 cbothamy
+
+ * Makefile (1.12):
+
+ - when making a release, remove unwanted files first, and exclude
+ CVS from the tarball
+
+2003-11-04 22:50 cbothamy
+
+ * ChangeLog (1.20, v0_4b):
+
+ - update ChangeLog for 0.4b release
+
+2003-11-04 22:49 cbothamy
+
+ * README (1.4, v0_4b):
+
+ - update Changes for 0.4b release
+
+2003-11-04 20:26 vruppert
+
+ * vgabios.c (1.37), VGABIOS-lgpl-latest.bin (1.28),
+ VGABIOS-lgpl-latest.debug.bin (1.28) (utags: v0_4b):
+
+ - biosfn_get_font_info(): character height must be returned in CX
+
+2003-11-03 21:57 vruppert
+
+ * vbe.c (1.35, v0_4b), vgabios.c (1.36), VGABIOS-lgpl-latest.bin
+ (1.27), VGABIOS-lgpl-latest.debug.bin (1.27):
+
+ - the 'noclearmem' flag is not stored in the 'current video mode'
+ register (0040h:0049h) - VBE also stores the 'noclear' flag in
+ the 'video control' register (0040h:0087h)
+
+2003-10-05 10:06 vruppert
+
+ * vbe.h (1.18, v0_4b), vbe_display_api.txt (1.8, v0_4b),
+ VGABIOS-lgpl-latest.bin (1.26), VGABIOS-lgpl-latest.debug.bin
+ (1.26):
+
+ - changed VBE i/o registers to 0x01CE/CF (suggestion from Daniel
+ Gimpelevich)
+
+2003-08-18 18:38 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.25), VGABIOS-lgpl-latest.debug.bin
+ (1.25), vgabios.c (1.35):
+
+ - wrong offsets to the character tables (INT 0x1F/0x43) fixed
+ (underscore added) - functions accessing the CRT controller
+ optimized using a local variable 'crtc_addr'
+
+2003-08-17 15:46 cbothamy
+
+ * ChangeLog (1.19, v0_4a):
+
+ - ChangeLog is now automatically generated by running "cvs2cl -r
+ -t -P -S" - update ChangeLog for 0.4a release
+
+2003-08-17 15:44 cbothamy
+
+ * README (1.3, v0_4a):
+
+ - added the old ChangeLog in the HOSTORY section of the README
+ file - update History for 0.4a release, with a summary of Changes
+
+2003-08-17 15:24 cbothamy
+
+ * Makefile (1.11, v0_4b, v0_4a):
+
+ - fix Makefile for "release" target
+
+2003-08-16 01:49 cbothamy
+
+ * Makefile (1.10), README (1.2), VGABIOS-lgpl-latest.bin (1.24,
+ v0_4a), VGABIOS-lgpl-latest.debug.bin (1.24, v0_4a), vgabios.c
+ (1.34, v0_4a):
+
+ - update the Makefile for releases - remove references to old
+ plex86 website - update the Makefile so it build
+ VGABIOS-lgpl-latest.bin and VGABIOS-lgpl-latest.debug.bin
+
+2003-08-07 18:17 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.23), VGABIOS-lgpl-latest.debug.bin
+ (1.23):
+
+ - current VBE mode now stored in BDA (unused address 0xBA)
+
+2003-08-07 17:54 vruppert
+
+ * vbe.c (1.34), vgatables.h (1.5, v0_4b) (utags: v0_4a):
+
+ - current VBE mode now stored in BDA (unused address 0xBA)
+
+2003-07-20 18:05 vruppert
+
+ * vgabios.c (1.33), VGABIOS-lgpl-latest.bin (1.22),
+ VGABIOS-lgpl-latest.debug.bin (1.22):
+
+ - fixed a few functions accessing the attribute controller
+
+2003-07-19 09:33 vruppert
+
+ * vgabios.c (1.32), VGABIOS-lgpl-latest.bin (1.21),
+ VGABIOS-lgpl-latest.debug.bin (1.21):
+
+ - re-enable video after programming the attribute controller -
+ biosfn_set_all_palette_reg(): number of palette registers fixed
+
+2003-07-16 22:32 vruppert
+
+ * ChangeLog (1.18), vbe.c (1.33), vbe.h (1.17, v0_4a),
+ vbe_display_api.txt (1.7, v0_4a), vgabios.c (1.31),
+ VGABIOS-lgpl-latest.bin (1.20), VGABIOS-lgpl-latest.debug.bin
+ (1.20):
+
+ - LFB flag now stored in the register VBE_DISPI_INDEX_ENABLE -
+ release date in Changelog fixed - release date of VBE BIOS 0.6
+ was the same as VGA BIOS 0.3b - year changed in copyright
+ messages
+
+2003-07-15 12:40 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.19), VGABIOS-lgpl-latest.debug.bin
+ (1.19):
+
+ - new function dispi_get_bpp() - function
+ vbe_biosfn_set_get_logical_scan_line_length() fixed for >8bpp -
+ number of image pages of all VBE modes fixed
+
+2003-07-15 12:35 vruppert
+
+ * vbe.c (1.32), vbetables.h (1.21, v0_4b, v0_4a):
+
+ - new function dispi_get_bpp() - function
+ vbe_biosfn_set_get_logical_scan_line_length() fixed for >8bpp -
+ number of image pages of all VBE modes fixed
+
+2003-07-14 19:45 vruppert
+
+ * vbe_display_api.txt (1.6):
+
+ - description of VBE_DISPI_ interface 0xb0c2 added
+
+2003-07-10 19:07 vruppert
+
+ * vbe.c (1.31), vbetables.h (1.20), VGABIOS-lgpl-latest.bin (1.18),
+ VGABIOS-lgpl-latest.debug.bin (1.18):
+
+ - 15 bpp VBE modes added - "Bochs own" mode 0x142 (640x480x32bpp)
+ added
+
+2003-07-01 19:00 vruppert
+
+ * vbe.c (1.30), vbe.h (1.16), vbetables.h (1.19),
+ VGABIOS-lgpl-latest.bin (1.17), VGABIOS-lgpl-latest.debug.bin
+ (1.17):
+
+ - VBE preserve display memory feature implemented - VBE mode
+ entries 0x117 and 0x118 added
+
+2003-06-30 21:27 vruppert
+
+ * vbe.c (1.29), vbe.h (1.15), vbetables.h (1.18),
+ VGABIOS-lgpl-latest.bin (1.16), VGABIOS-lgpl-latest.debug.bin
+ (1.16):
+
+ - VBE mode info blocks of modes with >8bpp enabled - VBE modes
+ with 24 bpp: bytes per scanline fixed - vbe_biosfn_set_mode() now
+ supports >8bpp - VBE will be enabled with new VBE_DISPI_ID2
+ (0xB0C2)
+
+2003-06-29 12:53 vruppert
+
+ * vbetables.h (1.17), VGABIOS-lgpl-latest.bin (1.15),
+ VGABIOS-lgpl-latest.debug.bin (1.15):
+
+ - duplicate lines with VBE_MODE_ATTRIBUTE_GRAPHICS_MODE removed -
+ VBE mode info items of currently unsupported modes fixed
+
+2003-06-15 21:19 vruppert
+
+ * vgabios.c (1.30), VGABIOS-lgpl-latest.bin (1.14),
+ VGABIOS-lgpl-latest.debug.bin (1.14):
+
+ - function write_gfx_char() rewritten
+
+2003-04-26 09:27 vruppert
+
+ * VGABIOS-lgpl-latest.debug.bin (1.13):
+
+ - added missing VBE function dispi_get_bank() - added missing
+ return codes for VBE function 4F05h - memory size is always
+ reported in VBE function 4F00h - fixed scan line length for VBE
+ mode 0102h - fixed function set_active_page() for graphics modes
+ - fixed the page sizes of some VGA modes
+
+2003-04-26 09:22 vruppert
+
+ * vbe.c (1.28), vbetables.h (1.16), vgabios.c (1.29), vgatables.h
+ (1.4), VGABIOS-lgpl-latest.bin (1.13):
+
+ - added missing VBE function dispi_get_bank() - added missing
+ return codes for VBE function 4F05h - memory size is always
+ reported in VBE function 4F00h - fixed scan line length for VBE
+ mode 0102h - fixed function set_active_page() for graphics modes
+ - fixed the page sizes of some VGA modes
+
+2003-04-20 09:51 vruppert
+
+ * vgabios.c (1.28), vgatables.h (1.3), VGABIOS-lgpl-latest.bin
+ (1.12), VGABIOS-lgpl-latest.debug.bin (1.12):
+
+ - function write_gfx_char() now supports different font sizes -
+ some entries of the static functionality table fixed
+
+2003-04-18 09:23 vruppert
+
+ * vbe.c (1.27), vbe.h (1.14), vbetables.h (1.15):
+
+ - applied patch #1331 * new function dispi_set_bank_farcall()
+ * VBE mode info item WinFuncPtr points to the new function if the
+ flag VBE_WINDOW_ATTRIBUTE_RELOCATABLE is set * flag
+ VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE added
+
+2003-02-11 20:17 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.11), VGABIOS-lgpl-latest.debug.bin
+ (1.11), vbe.c (1.26), vbetables.h (1.14):
+
+ - VBE mode search rewritten * improved function
+ mode_info_find_mode() is now used by the VBE functions 0x4F01
+ and 0x4F02 * removed all mode list entries with the LFB bit
+ set. LFB detection is now present in the function
+ mode_info_find_mode()
+
+2003-02-09 20:59 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.10), VGABIOS-lgpl-latest.debug.bin
+ (1.10), vgabios.c (1.27):
+
+ - function write_gfx_char(): memory address now calculated in
+ this function; background color is always black - function
+ biosfn_write_char_attr(): the count parameter is now used in
+ graphics modes too - function biosfn_write_char_only() works
+ the same way as function biosfn_write_char_attr() in graphics
+ mode - copying charmap data optimized using memcpyb()
+
+2003-02-09 11:36 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.9), VGABIOS-lgpl-latest.debug.bin
+ (1.9):
+
+ - VESA mode 0x102 added (uses existing SVGA mode 0x6a) - all VESA
+ modes with the LFB flag set removed from the list (Linux doesn't
+ like mode numbers > 0x07ff)
+
+2003-02-09 11:02 vruppert
+
+ * vbe.c (1.25), vbe.h (1.13), vbetables.h (1.13):
+
+ - VESA mode 0x102 added (uses existing SVGA mode 0x6a) - all VESA
+ modes with the LFB flag set removed from the list (Linux doesn't
+ like mode numbers > 0x07ff)
+
+2003-02-08 13:04 vruppert
+
+ * vbe.c (1.24), vgabios.c (1.26):
+
+ - vbe_biosfn_return_current_mode() now returns the active
+ standard VGA mode TODO: return VESA mode if enabled -
+ biosfn_set_video_mode() now clears the screen in CGA mode
+ correctly - write character functions are now working in all
+ PLANAR4 graphics modes - added stubs for unimplemented features
+ in graphics modes
+
+2003-02-04 22:19 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.8), VGABIOS-lgpl-latest.debug.bin
+ (1.8):
+
+ - set video mode: clear vga memory in graphics mode - set video
+ mode: load default font in text mode - write character
+ implemented for graphics mode 0x12
+
+2003-02-04 22:06 vruppert
+
+ * vgabios.c (1.25):
+
+ - set video mode: clear vga memory in graphics mode - set video
+ mode: load default font in text mode - write character
+ implemented for graphics mode 0x12
+
+2003-01-21 19:30 vruppert
+
+ * vgabios.c (1.24):
+
+ - remap the cursor size if the char height is > 8 and the new
+ values are < 8
+
+2003-01-20 18:24 cbothamy
+
+ * Makefile (1.9):
+
+ - fix so make -j2 does not overwrite temp files
+
+2003-01-19 12:35 vruppert
+
+ * vgabios.c (1.23):
+
+ - function set_scan_lines() recalculates the number of rows and
+ the page size - new values for char height, text rows and page
+ size are stored in the BIOS data segment - asm helper function
+ idiv_u added
+
+2003-01-15 18:49 cbothamy
+
+ * VGABIOS-lgpl-latest.bin (1.7), VGABIOS-lgpl-latest.debug.bin
+ (1.7):
+
+ - compile vgabios rev 1.22
+
+2003-01-15 18:49 cbothamy
+
+ * vgabios.c (1.22):
+
+ - fix bug found by ams : a 8bits index value was compared to
+ 0x100 in some cases in biosfn_set_all_dac_reg,
+ biosfn_read_all_dac_reg, biosfn_perform_gray_scale_summing
+
+2003-01-15 17:34 cbothamy
+
+ * Makefile (1.8):
+
+ - fix symbol table file names, discovered by ams
+
+2003-01-04 21:20 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.6), VGABIOS-lgpl-latest.debug.bin
+ (1.6), vgabios.c (1.21):
+
+ - biosfn_set_video_mode(): reset attribute controller flip-flop
+ before setting up the controller's registers (bug found with
+ amidiag)
+
+2003-01-04 09:50 vruppert
+
+ * vbe.c (1.23):
+
+ - VBE function 0x00 returns VBE 1.x compatible information if no
+ VBE signature is present
+
+2003-01-01 12:44 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.5), VGABIOS-lgpl-latest.debug.bin
+ (1.5):
+
+ - SVGA mode 0x6A (800x600x4) added to the list of graphics modes
+
+2002-12-31 18:07 vruppert
+
+ * vgatables.h (1.2):
+
+ - SVGA mode 0x6A (800x600x4) added to the list of graphics modes
+
+2002-11-23 10:38 cbothamy
+
+ * ChangeLog (1.17, v0_3b):
+
+ - fix changelog for 0.3b release
+
+2002-10-20 17:12 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.4), VGABIOS-lgpl-latest.debug.bin
+ (1.4), vgabios.c (1.20) (utags: v0_3b):
+
+ - new function set_scan_lines() for the font size change (patch
+ from Hartmut Birr) - cursor shape start and end must be updated
+ in set_scan_lines() - set_scan_lines() is called by the functions
+ 0x1110, 0x1111, 0x1112 and 0x1114 after copying the font data
+
+2002-10-04 08:20 vruppert
+
+ * VGABIOS-lgpl-latest.bin (1.3), VGABIOS-lgpl-latest.debug.bin
+ (1.3), vgabios.c (1.19):
+
+ - biosfn_set_single_dac_reg(): the red value is stored in DH
+
+2002-09-19 19:05 cbothamy
+
+ * VGABIOS-lgpl-latest.bin (1.2), VGABIOS-lgpl-latest.debug.bin
+ (1.2):
+
+ - updated with latest changes
+
+2002-09-19 19:03 cbothamy
+
+ * ChangeLog (1.16), Makefile (1.7, v0_3b), vbe.c (1.22, v0_3b),
+ vgabios.c (1.18), vgabios.h (1.3, v0_4b, v0_4a, v0_3b):
+
+ - updated the Makefile - removed display of copyrights. -
+ changed the Copyright string to "LGPL VGABios developers"
+
+2002-09-08 21:14 vruppert
+
+ * vgabios.c (1.17):
+
+ - set the cursor shape depending on the current font height -
+ clear BL before calling int 0x10 function 0x1103 in
+ vgabios_init_func
+
+2002-08-23 22:58 cbothamy
+
+ * vbe.c (1.21), vbetables.h (1.12, v0_3b):
+
+ - added lfb-mode numbers (patch from mathis)
+
+2002-07-21 21:57 japj
+
+ * vbe.c (1.20), vgabios.c (1.16):
+
+ gcc2/3 preprocessing fix
+
+2002-05-18 16:55 cbothamy
+
+ * vgabios.c (1.15):
+
+ - include patch from Volker that adds some text font functions
+
+2002-05-01 23:13 japj
+
+ * VGABIOS-lgpl-latest.bin (1.1), VGABIOS-lgpl-latest.debug.bin
+ (1.1):
+
+ adding latest bin & debug bin of the vgabios
+
+2002-04-29 14:50 japj
+
+ * ChangeLog (1.15), vbe.c (1.19), vbe.h (1.12, v0_3b), vbetables.h
+ (1.11), vgabios.c (1.14):
+
+ - applying hw scrolling/multibuffering patch
+
+2002-04-25 21:59 japj
+
+ * Makefile (1.6), vbe.c (1.18), vgabios.c (1.13):
+
+ - reverting #asm/##asm & endasm patch (does not work with with
+ cygwin)
+
+2002-04-19 19:38 japj
+
+ * Makefile (1.5), vbe.c (1.17), vgabios.c (1.12):
+
+ - fixing preprocessing of vgabios with latest gcc (from Mandrake
+ 8.2)
+
+2002-04-08 23:44 japj
+
+ * ChangeLog (1.14), vbe_display_api.txt (1.5, v0_3b):
+
+ - preparing docs for new DISPI interface (for hardware scrolling)
+
+2002-04-03 19:06 japj
+
+ * ChangeLog (1.13), TODO (1.9, v0_4b, v0_4a, v0_3b), vbe.c (1.16):
+
+ - defaulting LFB on + updated changelog & todo
+
+2002-04-03 00:38 cbothamy
+
+ * vbe.c (1.15), vgabios.c (1.11):
+
+ - changed the logging ports to 0x500 -> 0x502
+
+2002-03-14 17:54 japj
+
+ * vbe.c (1.14):
+
+ - vbetables.h is dependant upon some defines (VBE_HAVE_LFB), so
+ put the include *after* the define
+
+2002-03-13 21:47 japj
+
+ * ChangeLog (1.12), TODO (1.8), vbe.c (1.13), vbetables.h (1.10),
+ vgabios.c (1.10):
+
+ - made LFB dependant upon define - not implement vbe functions
+ return failure - updated todo & docs for things after bochs 1.4
+
+2002-03-13 19:46 japj
+
+ * vbe.h (1.11), vbe_display_api.txt (1.4):
+
+ - added max video memory + documented what is in the 0xb0c0
+ interface
+
+2002-03-12 02:33 cbothamy
+
+ * ChangeLog (1.11), Makefile (1.4):
+
+ - updated for 0.3a. Merged vgabios.bin and vbebios.bin
+
+2002-03-10 21:36 japj
+
+ * ChangeLog (1.10), vbetables.h (1.9):
+
+ - added LFB modes for testing with vbe-lfb patch in Bochs
+
+2002-03-10 17:42 japj
+
+ * vbe.c (1.12, v0_3a):
+
+ - show people when they do NOT have VBE support available
+
+2002-03-10 17:36 japj
+
+ * TODO (1.7, v0_3a), vbe.c (1.11), vbe.h (1.10, v0_3a), vgabios.c
+ (1.9, v0_3a):
+
+ - cleanup of vbe internal functions (set 8bpp mode is now
+ dependant on ModeInfo content instead of hardcoded functions)
+
+2002-03-10 17:20 cbothamy
+
+ * ChangeLog (1.9, v0_3a), TODO (1.6):
+
+ - updated for 0.3a
+
+2002-03-10 17:19 cbothamy
+
+ * vbe.c (1.10), vbe.h (1.9):
+
+ - added vbe_has_vbe_display function that detects an attached vbe
+ display
+
+2002-03-10 17:12 cbothamy
+
+ * vgabios.c (1.8):
+
+ - vbe calls are done only if a vbe display is detected
+
+2002-03-10 11:25 japj
+
+ * vbe.h (1.8), vbe_display_api.txt (1.3, v0_3a):
+
+ - preparing for LFB support
+
+2002-03-09 14:25 japj
+
+ * vgabios.c (1.7):
+
+ - fixing initial cursor shape to _ instead of -
+
+2002-03-08 23:08 japj
+
+ * ChangeLog (1.8), TODO (1.5), vbe.c (1.9), vbe.h (1.7), vgabios.c
+ (1.6):
+
+ - updating vbe code to new API
+
+2002-03-08 21:48 japj
+
+ * vbe.c (1.8), vbe.h (1.6), vbetables.h (1.8, v0_3a):
+
+ - updating vbe code with #defines from API
+
+2002-03-08 21:31 japj
+
+ * vbe_display_api.txt (1.2):
+
+ - adding some text about how banks work
+
+2002-03-08 21:09 japj
+
+ * ChangeLog (1.7), vbe_display_api.txt (1.1):
+
+ - adding vbe_display_api documentation
+
+2002-03-07 21:36 japj
+
+ * ChangeLog (1.6), vbe.c (1.7), vbetables.h (1.7):
+
+ - added 1024x768xbpp support - some more cleanups/comments
+
+2002-03-06 21:55 japj
+
+ * ChangeLog (1.5), TODO (1.4), vbe.c (1.6), vbetables.h (1.6),
+ vgabios.c (1.5):
+
+ - updated changelog with new modi - added 640x480x8 (Mandrake
+ Installer can use this!) - added pre VBE2 compatible 'detection'
+ - fixed problem when normal vga set mode wouldn't disable vbe
+ mode
+
+2002-03-06 20:59 japj
+
+ * TODO (1.3), vbe.c (1.5), vbe.h (1.5), vbetables.h (1.5),
+ vgabios.c (1.4):
+
+ - adding 640x400x8 and 800x600x8 vbe support (this depends
+ HEAVILY on my bochs vga code patch - japj)
+
+2002-03-06 18:00 japj
+
+ * vbe.c (1.4), vbe.h (1.4), vbetables.h (1.4):
+
+ - implemented banked & lfb support for 320x200x8bpp (some fixes
+ for vbetest program not displaying anything)
+
+2002-03-05 20:25 japj
+
+ * Makefile (1.3, v0_3a):
+
+ for vbe debug bios: - print debugging information in assembly
+ output - print source code in assembly output
+
+2002-03-01 19:39 japj
+
+ * ChangeLog (1.4), TODO (1.2), vbe.c (1.3), vbe.h (1.3),
+ vbetables.h (1.3):
+
+ - added vbe support for 320x200x8 using the standard vgamode
+ (0x13)
+
+2002-02-19 00:29 japj
+
+ * ChangeLog (1.3):
+
+ - updating ChangeLog with lfbprof
+
+2002-02-18 23:26 japj
+
+ * tests/lfbprof/: lfbprof.c (1.2), lfbprof.h (1.2) (utags: v0_3a,
+ v0_3b, v0_4a, v0_4b):
+
+ - fixed unsigned short for mode list (-1 != 0xffff otherwise) -
+ fixed LfbMapRealPointer macro mask problem (some modes were
+ skipped) - added some extra 'debugging' printf's
+
+2002-02-18 23:07 japj
+
+ * tests/lfbprof/: Makefile (1.1, v0_4b, v0_4a, v0_3b, v0_3a),
+ lfbprof.c (1.1), lfbprof.h (1.1):
+
+ - Adding lfbprof testprogram (for vbe testing purposes) It
+ needs to be compiled with the Watcom C Compiler
+
+2002-02-18 18:48 japj
+
+ * vbe.c (1.2), vbe.h (1.2):
+
+ - cosmetic updates to vbe.c/h + added bunch of FIXMEs for work
+ that needs to be done
+
+2002-02-18 18:34 japj
+
+ * vbetables.h (1.2):
+
+ - cosmetic updates in vbetables.h
+
+2002-02-18 18:32 japj
+
+ * ChangeLog (1.2):
+
+ updated changelog with merge of vbebios 0.2
+
+2002-02-18 18:07 japj
+
+ * vgabios.c (1.3):
+
+ - small cosmetic cleanup in vgabios vbe code + added FIXMEs
+
+2002-02-18 17:55 japj
+
+ * Makefile (1.2), dataseghack (1.2, v0_4b, v0_4a, v0_3b, v0_3a),
+ vbe.c (1.1), vbe.h (1.1), vbetables.h (1.1), vgabios.c (1.2),
+ vgabios.h (1.2, v0_3a):
+
+ - merging with vbebios 0.2 release
+
+2002-02-18 11:31 cbothamy
+
+ * BUGS (1.1, v0_4b, v0_4a, v0_3b, v0_3a), COPYING (1.1, v0_4b,
+ v0_4a, v0_3b, v0_3a), ChangeLog (1.1), Makefile (1.1), Notes
+ (1.1, v0_4b, v0_4a, v0_3b, v0_3a), README (1.1, v0_3b, v0_3a),
+ TODO (1.1), dataseghack (1.1), vgabios.c (1.1), vgabios.h (1.1),
+ vgafonts.h (1.1, v0_4b, v0_4a, v0_3b, v0_3a), vgatables.h (1.1,
+ v0_3b, v0_3a), tests/testbios.c (1.1, v0_4b, v0_4a, v0_3b,
+ v0_3a):
+
+ - initial import
+
diff --git a/roms/vgabios/Makefile b/roms/vgabios/Makefile
new file mode 100644
index 00000000..578721a7
--- /dev/null
+++ b/roms/vgabios/Makefile
@@ -0,0 +1,103 @@
+SHELL = /bin/sh
+
+CC = gcc
+CFLAGS = -g -O2 -Wall -Wstrict-prototypes
+LDFLAGS =
+
+GCC = gcc
+BCC = bcc
+AS86 = as86
+
+RELEASE = `pwd | sed "s-.*/--"`
+RELDATE = `date '+%d %b %Y'`
+RELVERS = `pwd | sed "s-.*/--" | sed "s/vgabios//" | sed "s/-//"`
+
+VGABIOS_DATE = "-DVGABIOS_DATE=\"$(RELDATE)\""
+
+all: bios cirrus-bios stdvga-bios vmware-bios qxl-bios
+
+bios: vgabios.bin vgabios.debug.bin
+
+cirrus-bios: vgabios-cirrus.bin vgabios-cirrus.debug.bin
+
+stdvga-bios: vgabios-stdvga.bin vgabios-stdvga.debug.bin
+
+vmware-bios: vgabios-vmware.bin vgabios-vmware.debug.bin
+
+qxl-bios: vgabios-qxl.bin vgabios-qxl.debug.bin
+
+clean:
+ /bin/rm -f biossums vbetables-gen vbetables.h *.o *.s *.ld86 \
+ temp.awk.* vgabios*.orig _vgabios_* _vgabios-debug_* core vgabios*.bin vgabios*.txt $(RELEASE).bin *.bak
+
+dist-clean: clean
+
+# source files
+VGA_FILES := vgabios.c vgabios.h vgafonts.h vgatables.h
+VBE_FILES := vbe.h vbe.c vbetables.h
+
+# build flags
+vgabios.bin : VGAFLAGS := -DVBE -DPCI_VID=0x1234
+vgabios.debug.bin : VGAFLAGS := -DVBE -DPCI_VID=0x1234 -DDEBUG
+vgabios-cirrus.bin : VGAFLAGS := -DCIRRUS -DPCIBIOS
+vgabios-cirrus.debug.bin : VGAFLAGS := -DCIRRUS -DPCIBIOS -DCIRRUS_DEBUG
+vgabios-stdvga.bin : VGAFLAGS := -DVBE -DPCIBIOS -DPCI_VID=0x1234 -DPCI_DID=0x1111
+vgabios-stdvga.debug.bin : VGAFLAGS := -DVBE -DPCIBIOS -DPCI_VID=0x1234 -DPCI_DID=0x1111 -DDEBUG
+vgabios-vmware.bin : VGAFLAGS := -DVBE -DPCIBIOS -DPCI_VID=0x15ad -DPCI_DID=0x0405
+vgabios-vmware.debug.bin : VGAFLAGS := -DVBE -DPCIBIOS -DPCI_VID=0x15ad -DPCI_DID=0x0405 -DDEBUG
+vgabios-qxl.bin : VGAFLAGS := -DVBE -DPCIBIOS -DPCI_VID=0x1b36 -DPCI_DID=0x0100
+vgabios-qxl.debug.bin : VGAFLAGS := -DVBE -DPCIBIOS -DPCI_VID=0x1b36 -DPCI_DID=0x0100 -DDEBUG
+
+# dist names
+vgabios.bin : DISTNAME := VGABIOS-lgpl-latest.bin
+vgabios.debug.bin : DISTNAME := VGABIOS-lgpl-latest.debug.bin
+vgabios-cirrus.bin : DISTNAME := VGABIOS-lgpl-latest.cirrus.bin
+vgabios-cirrus.debug.bin : DISTNAME := VGABIOS-lgpl-latest.cirrus.debug.bin
+vgabios-stdvga.bin : DISTNAME := VGABIOS-lgpl-latest.stdvga.bin
+vgabios-stdvga.debug.bin : DISTNAME := VGABIOS-lgpl-latest.stdvga.debug.bin
+vgabios-vmware.bin : DISTNAME := VGABIOS-lgpl-latest.vmware.bin
+vgabios-vmware.debug.bin : DISTNAME := VGABIOS-lgpl-latest.vmware.debug.bin
+vgabios-qxl.bin : DISTNAME := VGABIOS-lgpl-latest.qxl.bin
+vgabios-qxl.debug.bin : DISTNAME := VGABIOS-lgpl-latest.qxl.debug.bin
+
+# dependencies
+vgabios.bin : $(VGA_FILES) $(VBE_FILES) biossums
+vgabios.debug.bin : $(VGA_FILES) $(VBE_FILES) biossums
+vgabios-cirrus.bin : $(VGA_FILES) clext.c biossums
+vgabios-cirrus.debug.bin : $(VGA_FILES) clext.c biossums
+vgabios-stdvga.bin : $(VGA_FILES) $(VBE_FILES) biossums
+vgabios-stdvga.debug.bin : $(VGA_FILES) $(VBE_FILES) biossums
+vgabios-vmware.bin : $(VGA_FILES) $(VBE_FILES) biossums
+vgabios-vmware.debug.bin : $(VGA_FILES) $(VBE_FILES) biossums
+vgabios-qxl.bin : $(VGA_FILES) $(VBE_FILES) biossums
+vgabios-qxl.debug.bin : $(VGA_FILES) $(VBE_FILES) biossums
+
+# build rule
+%.bin:
+ $(GCC) -E -P vgabios.c $(VGABIOS_VERS) $(VGAFLAGS) $(VGABIOS_DATE) > _$*_.c
+ $(BCC) -o $*.s -C-c -D__i86__ -S -0 _$*_.c
+ sed -e 's/^\.text//' -e 's/^\.data//' $*.s > _$*_.s
+ $(AS86) _$*_.s -b $*.bin -u -w- -g -0 -j -O -l $*.txt
+ rm -f _$*_.s _$*_.c $*.s
+ mv $*.bin $(DISTNAME)
+ ./biossums $(DISTNAME)
+ ls -l $(DISTNAME)
+
+release:
+ VGABIOS_VERS=\"-DVGABIOS_VERS=\\\"$(RELVERS)\\\"\" make bios cirrus-bios
+ /bin/rm -f *.o *.s *.ld86 \
+ temp.awk.* vgabios.*.orig _vgabios_.*.c core *.bak .#*
+ cp VGABIOS-lgpl-latest.bin ../$(RELEASE).bin
+ cp VGABIOS-lgpl-latest.debug.bin ../$(RELEASE).debug.bin
+ cp VGABIOS-lgpl-latest.cirrus.bin ../$(RELEASE).cirrus.bin
+ cp VGABIOS-lgpl-latest.cirrus.debug.bin ../$(RELEASE).cirrus.debug.bin
+ tar czvf ../$(RELEASE).tgz --exclude CVS -C .. $(RELEASE)/
+
+biossums: biossums.c
+ $(CC) -o biossums biossums.c
+
+vbetables-gen: vbetables-gen.c
+ $(CC) -o vbetables-gen vbetables-gen.c
+
+vbetables.h: vbetables-gen
+ ./vbetables-gen > $@
diff --git a/roms/vgabios/Notes b/roms/vgabios/Notes
new file mode 100644
index 00000000..d5b708dc
--- /dev/null
+++ b/roms/vgabios/Notes
@@ -0,0 +1,11 @@
+Development notes
+-----------------
+
+- need to split video init function
+ 1. set bios variables
+ 2. do the real init with io based on bios variables
+
+- characters format switching will set the bios
+ variables and call function #2 above
+
+- need to rework the tables as explained in Interrupt list
diff --git a/roms/vgabios/README b/roms/vgabios/README
new file mode 100644
index 00000000..c68b5734
--- /dev/null
+++ b/roms/vgabios/README
@@ -0,0 +1,226 @@
+Plex86/Bochs VGABios
+--------------------
+
+The goal of this project is to have a LGPL'd Video Bios in plex86,
+Bochs and qemu.
+This VGA Bios is very specific to the emulated VGA card.
+It is NOT meant to drive a physical vga card.
+
+
+Cirrus SVGA extension
+---------------------
+
+The Cirrus SVGA extension is designed for the Cirrus emulation in Bochs and
+qemu. The initial patch for the Cirrus extension has been written by Makoto
+Suzuki (suzu).
+
+
+Install
+-------
+To compile the VGA Bios you will need :
+- gcc
+- bcc
+- as86
+- ld86
+
+Untar the archive, and type make. You should get a "VGABIOS-lgpl-latest.bin"
+file. Alternatively, you can use the binary file "VGABIOS-lgpl-latest.bin",
+i have compiled for you.
+
+Edit your plex86/bochs conf file, and modify the load-rom command in the
+VGA BIOS section, to point to the new vgabios image file.
+
+
+Debugging
+---------
+You can get a very basic debugging system: messages printed by the vgabios.
+You have to register the "unmapped" device driver in plex86 or bochs, and make
+sure it grabs port 0xfff0.
+
+Comment the #undef DEBUG at the beginning of vgabios.c.
+You can then use the "printf" function in the bios.
+
+
+Testing
+-------
+Look at the "testvga.c" file in the archive. This is a minimal Turbo C 2.0
+source file that calls a few int10 functions. Feel free to modify it to suit
+your needs.
+
+
+Copyright and License
+---------------------
+This program has been written by Christophe Bothamy
+It is protected by the GNU Lesser Public License, which you should
+have received a copy of along with this package.
+
+
+Reverse Engineering
+-------------------
+The VGA Bios has been written without reverse-engineering any existing Bios.
+
+
+Acknowledgment
+--------------
+The source code contains code ripped from rombios.c of plex86, written
+by Kevin Lawton <kevin2001@yahoo.com>
+
+The source code contains fonts from fntcol16.zip (c) by Joseph Gil avalable at :
+ftp://ftp.simtel.net/pub/simtelnet/msdos/screen/fntcol16.zip
+These fonts are public domain
+
+The source code is based on information taken from :
+- Kevin Lawton's vga card emulation for bochs/plex86
+- Ralf Brown's interrupts list avalaible at
+ http://www.cs.cmu.edu/afs/cs/user/ralf/pub/WWW/files.html
+- Finn Thogersons' VGADOC4b available at http://home.worldonline.dk/~finth/
+- Michael Abrash's Graphics Programming Black Book
+- Francois Gervais' book "programmation des cartes graphiques cga-ega-vga"
+ edited by sybex
+- DOSEMU 1.0.1 source code for several tables values and formulas
+
+
+Feedback
+--------
+Please report any bugs, comments, patches for this VGA Bios to info@vruppert.de
+You can find the latest release at : http://www.nongnu.org/vgabios/
+For any information on bochs, visit the website http://bochs.sourceforge.net/
+For any information on qemu, visit the website http://fabrice.bellard.free.fr/qemu/
+
+
+History
+-------
+vgabios-0.6c : Apr 08 2009
+ - Volker
+ . added DPMS support to cirrus vgabios (patch from Gleb Natapov)
+ . use VBE LFB address from PCI base address if present
+ . added support for a lot more non-standard VBE modes (e.g. widescreen modes)
+ . minor bugfixes
+
+vgabios-0.6b : May 30 2008
+ - Volker
+ . added PCI data structure for the Cirrus VGABIOS images
+ . minor bugfixes in biossums utility, VBE support and makefile
+
+vgabios-0.6a : Aug 19 2006
+ - Volker
+ . added minimal support for the video parameter table (VPT)
+ . Cirrus SVGA now supports the "no clear" bit in Cirrus and VESA mode
+ . Bochs VBE protected mode interface improved
+ . save/restore video state support for Bochs VBE and standard VGA added
+ . generate vbetables.h dynamicly
+ . VBE video memory increased to 8 MB (VBE dispi ID changed to B0C4)
+ . lots of 4bpp VBE fixes (all 4bpp VBE modes now enabled)
+ . VGA compatible setup for VBE modes added
+
+vgabios-0.5d : Dec 29 2005
+ - Volker
+ . Bochs VBE protected mode interface added (based on a patch by malc@pulsesoft.com)
+ . biossums utility now supports VGABIOS sizes up to 64 kBytes
+ . VGA mode 0x11: all color planes must be enabled in this 2-color VGA mode
+
+vgabios-0.5c : Jul 07 2005
+ - Volker
+ . BIOS configuration word usually reports initial mode 80x25 color text
+ . vgabios function 0x0e (write teletype): linefeed (0x0a) only increments the
+ cursor row value
+
+vgabios-0.5b : May 24 2005
+ - Volker
+ . fixed return value for the default case in the VBE section (non-debug mode)
+ . removed unused stuff
+
+vgabios-0.5a : Mar 07 2005
+ - Volker
+ . Cirrus SVGA extension (initial patches from Makoto Suzuki, improvements
+ from Fabrice Bellard)
+ . vgabios image size is now exactly 32k with a checksum
+ . a lot of vgabios and vbe functions rewritten in assembler
+ . dynamicly generated VBE mode info list
+ . write character function for CGA and LINEAR8 modes
+ . read/write graphics pixel for some graphics modes
+ . text scroll feature for some graphics modes
+ . VBE 8-bit DAC support
+
+vgabios-0.4c : Nov 06 2003
+ - Christophe
+ . fix font problem on initial screen of NT4 Loader
+
+vgabios-0.4b : Nov 04 2003
+ - Volker
+ . fix offset of character tables
+ . optimizations of CRT controller accesses
+ . VBE i/o registers changed to 0x01CE/CF
+ (suggestion from Daniel Gimpelevich)
+ . "noclear" flag stored in BIOS area
+ . fix character height returned by get_font_info function
+
+vgabios-0.4a : Aug 17 2003
+ - Volker
+ . VBE mode search rewritten (VBE modes with LFB bit removed)
+ . many bugfixes and optimizations
+ . write character function implemented for graphics modes
+ . support for 15bpp, 16bpp, 24bpp and 32bpp VBE modes added
+ . SVGA mode 0x6A added
+ . VBE modes 0x102, 0x117, 0x118 and 0x142 (Bochs specific)
+
+vgabios-0.3b : Nov 23 2002
+ - Christophe
+ . added lfb-mode numbers (patch from mathis)
+ . updated the Makefile
+ . removed display of copyrights.
+ . changed the Copyright string to "LGPL VGABios developers"
+ - Volker
+ . set the cursor shape depending on the current font height
+ . clear BL before calling int 0x10 function 0x1103 in vgabios_init_func
+ . added some text font functions
+ - Jeroen
+ . Forced to new DISPI (0xb0c1) interface (requires latest bochs vbe code)
+ . Added multibuffering support
+ . Added new DISPI interface for: virt width, height, x offset, y offset
+ . Added LFB modes (to be used with the vbe-lfb patch in bochs)
+ see VBE_HAVE_LFB in vbe.c (currently default enabled)
+ . updated TODO & docs for changes after bochs 1.4
+
+vgabios-0.3a : Mar 10 2002
+ - Christophe
+ . Fixed bug in function ah=13
+ - Jeroen
+ . updated vbebios implementation to new api
+ . added vbe_display_api documentation
+ . added 640x400x8, 640x480x8, 800x600x8, 1024x768
+ (>640x480 needs a special bochs patch atm)
+ . added 320x200x8 vbe support (uses the standard 320x200x8 vga mode to
+ display, this allows for testing & having something on screen as well,
+ at least until bochs host side display is up & running)
+ . adding lfbprof (vbe) testprogram (+some small fixes to it)
+ . merging with vbebios 0.2
+
+vgabios-0.2b : Nov 19 2001
+ - Christophe
+ . Fixed bug in function ah=13
+
+vgabios-0.2a : Nov 09 2001
+ - Christophe
+ . Included bugfix from techt@pikeonline.net about grayscale summing
+ . Added the "IBM" string at org 0x1e as Bart Oldeman suggested
+ . Fixed DS and ES that where inverted in the int10 parameters list!
+ . The following have been implemented :
+ - function ax=1a00, ax=1a01, ah=1b
+ - function ax=1130
+ . Added debug messages for unimplemented/unknown functions
+ Must be compiled with DEBUG defined. The output is trapped
+ by the unknown-ioport driver of plex/bochs (port 0xfff0 is used)
+
+vgabios-0.1a : May 8 2001
+ - Christophe
+ . First release. The work has been focused only on text mode.
+ . The following have been implemented :
+ - inits
+ - int 10 handler
+ - functions ah=00, ah=01, ah=02, ah=03, ah=05, ah=06, ah=07, ah=08
+ ah=09, ah=0a, ah=0e, ah=0f, ax=1000, ax=1001, ax=1002, ax=1003
+ ax=1007, ax=1008, ax=1009, ax=1010, ax=1012, ax=1013, ax=1015
+ ax=1017, ax=1018, ax=1019, ax=101a, ax=101b, ah=12 bl=10,
+ ah=12 bl=30, ah=12 bl=31, ah=12 bl=32, ah=12 bl=33, ah=12 bl=34
+ ah=13
diff --git a/roms/vgabios/TODO b/roms/vgabios/TODO
new file mode 100644
index 00000000..b08ee4b7
--- /dev/null
+++ b/roms/vgabios/TODO
@@ -0,0 +1,26 @@
+Short term :
+------------
+
+General
+ - Fix init mode (ah=00). Should use more BIOS variables
+ - Add new functionalities and modify static functionality table
+ - Performance : 16 bits IO
+
+v0.7
+ - Implement the remaining functions (don't know if all are needed):
+ - chargen ax=1120, ax=1121, ax=1122, ax=1123, ax=1124
+ - display switch interface ah=12 bl=35
+ - video refresh control ah=12 bl=36
+ - Graphic modes
+
+v1.0
+ - Bugfixes
+
+
+=================================================================================================
+VBE:
+----
+Long term:
+- have plex86 host side display interface
+- have text io functions in vbe mode
+
diff --git a/roms/vgabios/biossums.c b/roms/vgabios/biossums.c
new file mode 100644
index 00000000..d5816f42
--- /dev/null
+++ b/roms/vgabios/biossums.c
@@ -0,0 +1,282 @@
+/* biossums.c --- written by Eike W. for the Bochs BIOS */
+/* adapted for the LGPL'd VGABIOS by vruppert */
+
+/* This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+typedef unsigned char byte;
+
+void check( int value, char* message );
+
+#define MAX_BIOS_DATA 0x10000
+
+long chksum_bios_get_offset( byte* data, long offset );
+byte chksum_bios_calc_value( byte* data, long offset );
+byte chksum_bios_get_value( byte* data, long offset );
+void chksum_bios_set_value( byte* data, long offset, byte value );
+
+#define PMID_LEN 20
+#define PMID_CHKSUM 19
+
+long chksum_pmid_get_offset( byte* data, long offset );
+byte chksum_pmid_calc_value( byte* data, long offset );
+byte chksum_pmid_get_value( byte* data, long offset );
+void chksum_pmid_set_value( byte* data, long offset, byte value );
+
+#define PCIR_LEN 24
+
+long chksum_pcir_get_offset( byte* data, long offset );
+
+
+byte bios_data[MAX_BIOS_DATA];
+long bios_len;
+
+
+int main(int argc, char* argv[])
+{
+ FILE* stream;
+ long offset, tmp_offset, pcir_offset;
+ byte bios_len_byte, cur_val = 0, new_val = 0;
+ int hits, modified;
+
+ if (argc != 2) {
+ printf( "Error. Need a file-name as an argument.\n" );
+ exit( EXIT_FAILURE );
+ }
+
+ if ((stream = fopen(argv[1], "rb")) == NULL) {
+ printf("Error opening %s for reading.\n", argv[1]);
+ exit(EXIT_FAILURE);
+ }
+ memset(bios_data, 0, MAX_BIOS_DATA);
+ bios_len = fread(bios_data, 1, MAX_BIOS_DATA, stream);
+ if (bios_len > MAX_BIOS_DATA) {
+ printf("Error reading max. 65536 Bytes from %s.\n", argv[1]);
+ fclose(stream);
+ exit(EXIT_FAILURE);
+ }
+ fclose(stream);
+ modified = 0;
+ if (bios_len < 0x8000) {
+ bios_len = 0x8000;
+ modified = 1;
+ } else if ((bios_len & 0x1FF) != 0) {
+ bios_len = (bios_len + 0x200) & ~0x1FF;
+ modified = 1;
+ }
+ bios_len_byte = (byte)(bios_len / 512);
+ if (bios_len_byte != bios_data[2]) {
+ if (modified == 0) {
+ bios_len += 0x200;
+ }
+ bios_data[2] = (byte)(bios_len / 512);
+ modified = 1;
+ }
+
+ hits = 0;
+ offset = 0L;
+ while( (tmp_offset = chksum_pmid_get_offset( bios_data, offset )) != -1L ) {
+ offset = tmp_offset;
+ cur_val = chksum_pmid_get_value( bios_data, offset );
+ new_val = chksum_pmid_calc_value( bios_data, offset );
+ printf( "\nPMID entry at: 0x%4lX\n", offset );
+ printf( "Current checksum: 0x%02X\n", cur_val );
+ printf( "Calculated checksum: 0x%02X ", new_val );
+ hits++;
+ }
+ if ((hits == 1) && (cur_val != new_val)) {
+ printf("Setting checksum.");
+ chksum_pmid_set_value( bios_data, offset, new_val );
+ if (modified == 0) {
+ bios_len += 0x200;
+ bios_data[2]++;
+ }
+ modified = 1;
+ }
+ if (hits >= 2) {
+ printf( "Multiple PMID entries! No checksum set." );
+ }
+ if (hits) {
+ printf("\n");
+ }
+
+ offset = 0L;
+ pcir_offset = chksum_pcir_get_offset( bios_data, offset );
+ if (pcir_offset != -1L) {
+ if (bios_data[pcir_offset + 16] != bios_data[2]) {
+ bios_data[pcir_offset + 16] = bios_data[2];
+ if (modified == 0) {
+ bios_len += 0x200;
+ bios_data[2]++;
+ bios_data[pcir_offset + 16]++;
+ }
+ modified = 1;
+ }
+ }
+
+ offset = 0L;
+ do {
+ offset = chksum_bios_get_offset(bios_data, offset);
+ cur_val = chksum_bios_get_value(bios_data, offset);
+ new_val = chksum_bios_calc_value(bios_data, offset);
+ if ((cur_val != new_val) && (modified == 0)) {
+ bios_len += 0x200;
+ bios_data[2]++;
+ if (pcir_offset != -1L) {
+ bios_data[pcir_offset + 16]++;
+ }
+ modified = 1;
+ } else {
+ printf("\nBios checksum at: 0x%4lX\n", offset);
+ printf("Current checksum: 0x%02X\n", cur_val);
+ printf("Calculated checksum: 0x%02X ", new_val);
+ if (cur_val != new_val) {
+ printf("Setting checksum.");
+ chksum_bios_set_value(bios_data, offset, new_val);
+ cur_val = new_val;
+ modified = 1;
+ }
+ printf( "\n" );
+ }
+ } while (cur_val != new_val);
+
+ if (modified == 1) {
+ if ((stream = fopen( argv[1], "wb")) == NULL) {
+ printf("Error opening %s for writing.\n", argv[1]);
+ exit(EXIT_FAILURE);
+ }
+ if (fwrite(bios_data, 1, bios_len, stream) < bios_len) {
+ printf("Error writing %d KBytes to %s.\n", bios_len / 1024, argv[1]);
+ fclose(stream);
+ exit(EXIT_FAILURE);
+ }
+ fclose(stream);
+ }
+
+ return (EXIT_SUCCESS);
+}
+
+
+void check( int okay, char* message ) {
+
+ if( !okay ) {
+ printf( "\n\nError. %s.\n", message );
+ exit( EXIT_FAILURE );
+ }
+}
+
+
+long chksum_bios_get_offset( byte* data, long offset ) {
+
+ return (bios_len - 1);
+}
+
+
+byte chksum_bios_calc_value( byte* data, long offset ) {
+
+ int i;
+ byte sum;
+
+ sum = 0;
+ for( i = 0; i < offset; i++ ) {
+ sum = sum + *( data + i );
+ }
+ sum = -sum; /* iso ensures -s + s == 0 on unsigned types */
+ return( sum );
+}
+
+
+byte chksum_bios_get_value( byte* data, long offset ) {
+
+ return( *( data + offset ) );
+}
+
+
+void chksum_bios_set_value( byte* data, long offset, byte value ) {
+
+ *( data + offset ) = value;
+}
+
+
+byte chksum_pmid_calc_value( byte* data, long offset ) {
+
+ int i;
+ int len;
+ byte sum;
+
+ len = PMID_LEN;
+ check((offset + len) <= (bios_len - 1), "PMID entry length out of bounds" );
+ sum = 0;
+ for( i = 0; i < len; i++ ) {
+ if( i != PMID_CHKSUM ) {
+ sum = sum + *( data + offset + i );
+ }
+ }
+ sum = -sum;
+ return( sum );
+}
+
+
+long chksum_pmid_get_offset( byte* data, long offset ) {
+
+ long result = -1L;
+
+ while ((offset + PMID_LEN) < (bios_len - 1)) {
+ offset = offset + 1;
+ if( *( data + offset + 0 ) == 'P' && \
+ *( data + offset + 1 ) == 'M' && \
+ *( data + offset + 2 ) == 'I' && \
+ *( data + offset + 3 ) == 'D' ) {
+ result = offset;
+ break;
+ }
+ }
+ return( result );
+}
+
+
+byte chksum_pmid_get_value( byte* data, long offset ) {
+
+ check((offset + PMID_CHKSUM) <= (bios_len - 1), "PMID checksum out of bounds" );
+ return( *( data + offset + PMID_CHKSUM ) );
+}
+
+
+void chksum_pmid_set_value( byte* data, long offset, byte value ) {
+
+ check((offset + PMID_CHKSUM) <= (bios_len - 1), "PMID checksum out of bounds" );
+ *( data + offset + PMID_CHKSUM ) = value;
+}
+
+
+long chksum_pcir_get_offset( byte* data, long offset ) {
+
+ long result = -1L;
+
+ while ((offset + PCIR_LEN) < (bios_len - 1)) {
+ offset = offset + 1;
+ if( *( data + offset + 0 ) == 'P' && \
+ *( data + offset + 1 ) == 'C' && \
+ *( data + offset + 2 ) == 'I' && \
+ *( data + offset + 3 ) == 'R' ) {
+ result = offset;
+ break;
+ }
+ }
+ return( result );
+}
diff --git a/roms/vgabios/clext.c b/roms/vgabios/clext.c
new file mode 100644
index 00000000..b0b6834e
--- /dev/null
+++ b/roms/vgabios/clext.c
@@ -0,0 +1,1641 @@
+//
+// QEMU Cirrus CLGD 54xx VGABIOS Extension.
+//
+// Copyright (c) 2004 Makoto Suzuki (suzu)
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+
+//#define CIRRUS_VESA3_PMINFO
+#ifdef VBE
+#undef CIRRUS_VESA3_PMINFO
+#endif
+
+#define PM_BIOSMEM_CURRENT_MODE 0x449
+#define PM_BIOSMEM_CRTC_ADDRESS 0x463
+#define PM_BIOSMEM_VBE_MODE 0x4BA
+
+typedef struct
+{
+ /* + 0 */
+ unsigned short mode;
+ unsigned short width;
+ unsigned short height;
+ unsigned short depth;
+ /* + 8 */
+ unsigned short hidden_dac; /* 0x3c6 */
+ unsigned short *seq; /* 0x3c4 */
+ unsigned short *graph; /* 0x3ce */
+ unsigned short *crtc; /* 0x3d4 */
+ /* +16 */
+ unsigned char bitsperpixel;
+ unsigned char vesacolortype;
+ unsigned char vesaredmask;
+ unsigned char vesaredpos;
+ unsigned char vesagreenmask;
+ unsigned char vesagreenpos;
+ unsigned char vesabluemask;
+ unsigned char vesabluepos;
+ /* +24 */
+ unsigned char vesareservedmask;
+ unsigned char vesareservedpos;
+} cirrus_mode_t;
+#define CIRRUS_MODE_SIZE 26
+
+
+/* For VESA BIOS 3.0 */
+#define CIRRUS_PM16INFO_SIZE 20
+
+/* VGA */
+unsigned short cseq_vga[] = {0x0007,0xffff};
+unsigned short cgraph_vga[] = {0x0009,0x000a,0x000b,0xffff};
+unsigned short ccrtc_vga[] = {0x001a,0x001b,0x001d,0xffff};
+
+/* extensions */
+unsigned short cgraph_svgacolor[] = {
+0x0000,0x0001,0x0002,0x0003,0x0004,0x4005,0x0506,0x0f07,0xff08,
+0x0009,0x000a,0x000b,
+0xffff
+};
+/* 640x480x8 */
+unsigned short cseq_640x480x8[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1107,
+0x580b,0x580c,0x580d,0x580e,
+0x0412,0x0013,0x2017,
+0x331b,0x331c,0x331d,0x331e,
+0xffff
+};
+unsigned short ccrtc_640x480x8[] = {
+0x2c11,
+0x5f00,0x4f01,0x4f02,0x8003,0x5204,0x1e05,0x0b06,0x3e07,
+0x4009,0x000c,0x000d,
+0xea10,0xdf12,0x5013,0x4014,0xdf15,0x0b16,0xc317,0xff18,
+0x001a,0x221b,0x001d,
+0xffff
+};
+/* 640x480x16 */
+unsigned short cseq_640x480x16[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1707,
+0x580b,0x580c,0x580d,0x580e,
+0x0412,0x0013,0x2017,
+0x331b,0x331c,0x331d,0x331e,
+0xffff
+};
+unsigned short ccrtc_640x480x16[] = {
+0x2c11,
+0x5f00,0x4f01,0x4f02,0x8003,0x5204,0x1e05,0x0b06,0x3e07,
+0x4009,0x000c,0x000d,
+0xea10,0xdf12,0xa013,0x4014,0xdf15,0x0b16,0xc317,0xff18,
+0x001a,0x221b,0x001d,
+0xffff
+};
+/* 640x480x24 */
+unsigned short cseq_640x480x24[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1507,
+0x580b,0x580c,0x580d,0x580e,
+0x0412,0x0013,0x2017,
+0x331b,0x331c,0x331d,0x331e,
+0xffff
+};
+unsigned short ccrtc_640x480x24[] = {
+0x2c11,
+0x5f00,0x4f01,0x4f02,0x8003,0x5204,0x1e05,0x0b06,0x3e07,
+0x4009,0x000c,0x000d,
+0xea10,0xdf12,0x0013,0x4014,0xdf15,0x0b16,0xc317,0xff18,
+0x001a,0x321b,0x001d,
+0xffff
+};
+/* 800x600x8 */
+unsigned short cseq_800x600x8[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1107,
+0x230b,0x230c,0x230d,0x230e,
+0x0412,0x0013,0x2017,
+0x141b,0x141c,0x141d,0x141e,
+0xffff
+};
+unsigned short ccrtc_800x600x8[] = {
+0x2311,0x7d00,0x6301,0x6302,0x8003,0x6b04,0x1a05,0x9806,0xf007,
+0x6009,0x000c,0x000d,
+0x7d10,0x5712,0x6413,0x4014,0x5715,0x9816,0xc317,0xff18,
+0x001a,0x221b,0x001d,
+0xffff
+};
+/* 800x600x16 */
+unsigned short cseq_800x600x16[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1707,
+0x230b,0x230c,0x230d,0x230e,
+0x0412,0x0013,0x2017,
+0x141b,0x141c,0x141d,0x141e,
+0xffff
+};
+unsigned short ccrtc_800x600x16[] = {
+0x2311,0x7d00,0x6301,0x6302,0x8003,0x6b04,0x1a05,0x9806,0xf007,
+0x6009,0x000c,0x000d,
+0x7d10,0x5712,0xc813,0x4014,0x5715,0x9816,0xc317,0xff18,
+0x001a,0x221b,0x001d,
+0xffff
+};
+/* 800x600x24 */
+unsigned short cseq_800x600x24[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1507,
+0x230b,0x230c,0x230d,0x230e,
+0x0412,0x0013,0x2017,
+0x141b,0x141c,0x141d,0x141e,
+0xffff
+};
+unsigned short ccrtc_800x600x24[] = {
+0x2311,0x7d00,0x6301,0x6302,0x8003,0x6b04,0x1a05,0x9806,0xf007,
+0x6009,0x000c,0x000d,
+0x7d10,0x5712,0x2c13,0x4014,0x5715,0x9816,0xc317,0xff18,
+0x001a,0x321b,0x001d,
+0xffff
+};
+/* 1024x768x8 */
+unsigned short cseq_1024x768x8[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1107,
+0x760b,0x760c,0x760d,0x760e,
+0x0412,0x0013,0x2017,
+0x341b,0x341c,0x341d,0x341e,
+0xffff
+};
+unsigned short ccrtc_1024x768x8[] = {
+0x2911,0xa300,0x7f01,0x7f02,0x8603,0x8304,0x9405,0x2406,0xf507,
+0x6009,0x000c,0x000d,
+0x0310,0xff12,0x8013,0x4014,0xff15,0x2416,0xc317,0xff18,
+0x001a,0x221b,0x001d,
+0xffff
+};
+/* 1024x768x16 */
+unsigned short cseq_1024x768x16[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1707,
+0x760b,0x760c,0x760d,0x760e,
+0x0412,0x0013,0x2017,
+0x341b,0x341c,0x341d,0x341e,
+0xffff
+};
+unsigned short ccrtc_1024x768x16[] = {
+0x2911,0xa300,0x7f01,0x7f02,0x8603,0x8304,0x9405,0x2406,0xf507,
+0x6009,0x000c,0x000d,
+0x0310,0xff12,0x0013,0x4014,0xff15,0x2416,0xc317,0xff18,
+0x001a,0x321b,0x001d,
+0xffff
+};
+/* 1024x768x24 */
+unsigned short cseq_1024x768x24[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1507,
+0x760b,0x760c,0x760d,0x760e,
+0x0412,0x0013,0x2017,
+0x341b,0x341c,0x341d,0x341e,
+0xffff
+};
+unsigned short ccrtc_1024x768x24[] = {
+0x2911,0xa300,0x7f01,0x7f02,0x8603,0x8304,0x9405,0x2406,0xf507,
+0x6009,0x000c,0x000d,
+0x0310,0xff12,0x8013,0x4014,0xff15,0x2416,0xc317,0xff18,
+0x001a,0x321b,0x001d,
+0xffff
+};
+/* 1280x1024x8 */
+unsigned short cseq_1280x1024x8[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1107,
+0x760b,0x760c,0x760d,0x760e,
+0x0412,0x0013,0x2017,
+0x341b,0x341c,0x341d,0x341e,
+0xffff
+};
+unsigned short ccrtc_1280x1024x8[] = {
+0x2911,0xc300,0x9f01,0x9f02,0x8603,0x8304,0x9405,0x2406,0xf707,
+0x6009,0x000c,0x000d,
+0x0310,0xff12,0xa013,0x4014,0xff15,0x2416,0xc317,0xff18,
+0x001a,0x221b,0x001d,
+0xffff
+};
+/* 1280x1024x16 */
+unsigned short cseq_1280x1024x16[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1707,
+0x760b,0x760c,0x760d,0x760e,
+0x0412,0x0013,0x2017,
+0x341b,0x341c,0x341d,0x341e,
+0xffff
+};
+unsigned short ccrtc_1280x1024x16[] = {
+0x2911,0xc300,0x9f01,0x9f02,0x8603,0x8304,0x9405,0x2406,0xf707,
+0x6009,0x000c,0x000d,
+0x0310,0xff12,0x4013,0x4014,0xff15,0x2416,0xc317,0xff18,
+0x001a,0x321b,0x001d,
+0xffff
+};
+
+/* 1600x1200x8 */
+unsigned short cseq_1600x1200x8[] = {
+0x0300,0x2101,0x0f02,0x0003,0x0e04,0x1107,
+0x760b,0x760c,0x760d,0x760e,
+0x0412,0x0013,0x2017,
+0x341b,0x341c,0x341d,0x341e,
+0xffff
+};
+unsigned short ccrtc_1600x1200x8[] = {
+0x2911,0xc300,0x9f01,0x9f02,0x8603,0x8304,0x9405,0x2406,0xf707,
+0x6009,0x000c,0x000d,
+0x0310,0xff12,0xa013,0x4014,0xff15,0x2416,0xc317,0xff18,
+0x001a,0x221b,0x001d,
+0xffff
+};
+
+cirrus_mode_t cirrus_modes[] =
+{
+ {0x5f,640,480,8,0x00,
+ cseq_640x480x8,cgraph_svgacolor,ccrtc_640x480x8,8,
+ 4,0,0,0,0,0,0,0,0},
+ {0x64,640,480,16,0xe1,
+ cseq_640x480x16,cgraph_svgacolor,ccrtc_640x480x16,16,
+ 6,5,11,6,5,5,0,0,0},
+ {0x66,640,480,15,0xf0,
+ cseq_640x480x16,cgraph_svgacolor,ccrtc_640x480x16,16,
+ 6,5,10,5,5,5,0,1,15},
+ {0x71,640,480,24,0xe5,
+ cseq_640x480x24,cgraph_svgacolor,ccrtc_640x480x24,24,
+ 6,8,16,8,8,8,0,0,0},
+
+ {0x5c,800,600,8,0x00,
+ cseq_800x600x8,cgraph_svgacolor,ccrtc_800x600x8,8,
+ 4,0,0,0,0,0,0,0,0},
+ {0x65,800,600,16,0xe1,
+ cseq_800x600x16,cgraph_svgacolor,ccrtc_800x600x16,16,
+ 6,5,11,6,5,5,0,0,0},
+ {0x67,800,600,15,0xf0,
+ cseq_800x600x16,cgraph_svgacolor,ccrtc_800x600x16,16,
+ 6,5,10,5,5,5,0,1,15},
+
+ {0x60,1024,768,8,0x00,
+ cseq_1024x768x8,cgraph_svgacolor,ccrtc_1024x768x8,8,
+ 4,0,0,0,0,0,0,0,0},
+ {0x74,1024,768,16,0xe1,
+ cseq_1024x768x16,cgraph_svgacolor,ccrtc_1024x768x16,16,
+ 6,5,11,6,5,5,0,0,0},
+ {0x68,1024,768,15,0xf0,
+ cseq_1024x768x16,cgraph_svgacolor,ccrtc_1024x768x16,16,
+ 6,5,10,5,5,5,0,1,15},
+
+ {0x78,800,600,24,0xe5,
+ cseq_800x600x24,cgraph_svgacolor,ccrtc_800x600x24,24,
+ 6,8,16,8,8,8,0,0,0},
+ {0x79,1024,768,24,0xe5,
+ cseq_1024x768x24,cgraph_svgacolor,ccrtc_1024x768x24,24,
+ 6,8,16,8,8,8,0,0,0},
+
+ {0x6d,1280,1024,8,0x00,
+ cseq_1280x1024x8,cgraph_svgacolor,ccrtc_1280x1024x8,8,
+ 4,0,0,0,0,0,0,0,0},
+ {0x69,1280,1024,15,0xf0,
+ cseq_1280x1024x16,cgraph_svgacolor,ccrtc_1280x1024x16,16,
+ 6,5,10,5,5,5,0,1,15},
+ {0x75,1280,1024,16,0xe1,
+ cseq_1280x1024x16,cgraph_svgacolor,ccrtc_1280x1024x16,16,
+ 6,5,11,6,5,5,0,0,0},
+
+ {0x7b,1600,1200,8,0x00,
+ cseq_1600x1200x8,cgraph_svgacolor,ccrtc_1600x1200x8,8,
+ 4,0,0,0,0,0,0,0,0},
+
+ {0xfe,0,0,0,0,cseq_vga,cgraph_vga,ccrtc_vga,0,
+ 0xff,0,0,0,0,0,0,0,0},
+ {0xff,0,0,0,0,0,0,0,0,
+ 0xff,0,0,0,0,0,0,0,0},
+};
+
+unsigned char cirrus_id_table[] = {
+ // 5430
+ 0xA0, 0x32,
+ // 5446
+ 0xB8, 0x39,
+
+ 0xff, 0xff
+};
+
+
+unsigned short cirrus_vesa_modelist[] = {
+// 640x480x8
+ 0x101, 0x5f,
+// 640x480x15
+ 0x110, 0x66,
+// 640x480x16
+ 0x111, 0x64,
+// 640x480x24
+ 0x112, 0x71,
+// 800x600x8
+ 0x103, 0x5c,
+// 800x600x15
+ 0x113, 0x67,
+// 800x600x16
+ 0x114, 0x65,
+// 800x600x24
+ 0x115, 0x78,
+// 1024x768x8
+ 0x105, 0x60,
+// 1024x768x15
+ 0x116, 0x68,
+// 1024x768x16
+ 0x117, 0x74,
+// 1024x768x24
+ 0x118, 0x79,
+// 1280x1024x8
+ 0x107, 0x6d,
+// 1280x1024x15
+ 0x119, 0x69,
+// 1280x1024x16
+ 0x11a, 0x75,
+// invalid
+ 0xffff,0xffff
+};
+
+
+ASM_START
+
+cirrus_installed:
+.ascii "cirrus-compatible VGA is detected"
+.byte 0x0d,0x0a
+.byte 0x0d,0x0a,0x00
+
+cirrus_not_installed:
+.ascii "cirrus-compatible VGA is not detected"
+.byte 0x0d,0x0a
+.byte 0x0d,0x0a,0x00
+
+cirrus_vesa_vendorname:
+cirrus_vesa_productname:
+cirrus_vesa_oemname:
+.ascii "VGABIOS Cirrus extension"
+.byte 0
+cirrus_vesa_productrevision:
+.ascii "1.0"
+.byte 0
+
+cirrus_init:
+ call cirrus_check
+ jnz no_cirrus
+ SET_INT_VECTOR(0x10, #0xC000, #cirrus_int10_handler)
+ mov al, #0x0f ; memory setup
+ mov dx, #0x3C4
+ out dx, al
+ inc dx
+ in al, dx
+ and al, #0x18
+ mov ah, al
+ mov al, #0x0a
+ dec dx
+ out dx, ax
+ mov ax, #0x0007 ; set vga mode
+ out dx, ax
+ mov ax, #0x0431 ; reset bitblt
+ mov dx, #0x3CE
+ out dx, ax
+ mov ax, #0x0031
+ out dx, ax
+no_cirrus:
+ ret
+
+cirrus_display_info:
+ push ds
+ push si
+ push cs
+ pop ds
+ call cirrus_check
+ mov si, #cirrus_not_installed
+ jnz cirrus_msgnotinstalled
+ mov si, #cirrus_installed
+
+cirrus_msgnotinstalled:
+ call _display_string
+ pop si
+ pop ds
+ ret
+
+cirrus_check:
+ push ax
+ push dx
+ mov ax, #0x9206
+ mov dx, #0x3C4
+ out dx, ax
+ inc dx
+ in al, dx
+ cmp al, #0x12
+ pop dx
+ pop ax
+ ret
+
+
+cirrus_int10_handler:
+ pushf
+ push bp
+ cmp ah, #0x00 ;; set video mode
+ jz cirrus_set_video_mode
+ cmp ah, #0x12 ;; cirrus extension
+ jz cirrus_extbios
+ cmp ah, #0x4F ;; VESA extension
+ jz cirrus_vesa
+
+cirrus_unhandled:
+ pop bp
+ popf
+ jmp vgabios_int10_handler
+
+cirrus_return:
+#ifdef CIRRUS_DEBUG
+ call cirrus_debug_dump
+#endif
+ pop bp
+ popf
+ iret
+
+cirrus_set_video_mode:
+#ifdef CIRRUS_DEBUG
+ call cirrus_debug_dump
+#endif
+ push si
+ push ax
+ push bx
+ push ds
+#ifdef CIRRUS_VESA3_PMINFO
+ db 0x2e ;; cs:
+ mov si, [cirrus_vesa_sel0000_data]
+#else
+ xor si, si
+#endif
+ mov ds, si
+ xor bx, bx
+ mov [PM_BIOSMEM_VBE_MODE], bx
+ pop ds
+ pop bx
+ call cirrus_get_modeentry
+ jnc cirrus_set_video_mode_extended
+ mov al, #0xfe
+ call cirrus_get_modeentry_nomask
+ call cirrus_switch_mode
+ pop ax
+ pop si
+ jmp cirrus_unhandled
+
+cirrus_extbios:
+#ifdef CIRRUS_DEBUG
+ call cirrus_debug_dump
+#endif
+ cmp bl, #0x80
+ jb cirrus_unhandled
+ cmp bl, #0xAF
+ ja cirrus_unhandled
+ push bx
+ and bx, #0x7F
+ shl bx, 1
+ db 0x2e ;; cs:
+ mov bp, cirrus_extbios_handlers[bx]
+ pop bx
+ push #cirrus_return
+ push bp
+ ret
+
+cirrus_vesa:
+#ifdef CIRRUS_DEBUG
+ call cirrus_debug_dump
+#endif
+ cmp al, #0x10
+ ja cirrus_vesa_not_handled
+ push bx
+ xor bx, bx
+ mov bl, al
+ shl bx, 1
+ db 0x2e ;; cs:
+ mov bp, cirrus_vesa_handlers[bx]
+ pop bx
+ push #cirrus_return
+ push bp
+ ret
+
+cirrus_vesa_not_handled:
+ mov ax, #0x014F ;; not implemented
+ jmp cirrus_return
+
+#ifdef CIRRUS_DEBUG
+cirrus_debug_dump:
+ push es
+ push ds
+ pusha
+ push cs
+ pop ds
+ call _cirrus_debugmsg
+ popa
+ pop ds
+ pop es
+ ret
+#endif
+
+cirrus_set_video_mode_extended:
+ call cirrus_switch_mode
+ pop ax ;; mode
+ test al, #0x80
+ jnz cirrus_set_video_mode_extended_1
+ push ax
+ mov ax, #0xffff ; set to 0xff to keep win 2K happy
+ call cirrus_clear_vram
+ pop ax
+cirrus_set_video_mode_extended_1:
+ and al, #0x7f
+
+ push ds
+#ifdef CIRRUS_VESA3_PMINFO
+ db 0x2e ;; cs:
+ mov si, [cirrus_vesa_sel0000_data]
+#else
+ xor si, si
+#endif
+ mov ds, si
+ mov [PM_BIOSMEM_CURRENT_MODE], al
+ pop ds
+
+ mov al, #0x20
+
+ pop si
+ jmp cirrus_return
+
+cirrus_vesa_pmbios_init:
+ retf
+cirrus_vesa_pmbios_entry:
+ pushf
+ push bp
+ cmp ah, #0x4F
+ jnz cirrus_vesa_pmbios_unimplemented
+ cmp al, #0x0F
+ ja cirrus_vesa_pmbios_unimplemented
+ push bx
+ xor bx, bx
+ mov bl, al
+ shl bx, 1
+ db 0x2e ;; cs:
+ mov bp, cirrus_vesa_handlers[bx]
+ pop bx
+ push #cirrus_vesa_pmbios_return
+ push bp
+ ret
+cirrus_vesa_pmbios_unimplemented:
+ mov ax, #0x014F
+cirrus_vesa_pmbios_return:
+ pop bp
+ popf
+ retf
+
+; in si:mode table
+cirrus_switch_mode:
+ push ds
+ push bx
+ push dx
+ push cs
+ pop ds
+
+ mov bx, [si+10] ;; seq
+ mov dx, #0x3c4
+ mov ax, #0x1206
+ out dx, ax ;; Unlock cirrus special
+ call cirrus_switch_mode_setregs
+
+ mov bx, [si+12] ;; graph
+ mov dx, #0x3ce
+ call cirrus_switch_mode_setregs
+
+ mov bx, [si+14] ;; crtc
+ call cirrus_get_crtc
+ call cirrus_switch_mode_setregs
+
+ mov dx, #0x3c6
+ mov al, #0x00
+ out dx, al
+ in al, dx
+ in al, dx
+ in al, dx
+ in al, dx
+ mov al, [si+8] ;; hidden dac
+ out dx, al
+ mov al, #0xff
+ out dx, al
+
+ mov al, #0x00
+ mov bl, [si+17] ;; memory model
+ or bl, bl
+ jz is_text_mode
+ mov al, #0x01
+ cmp bl, #0x03
+ jnz is_text_mode
+ or al, #0x40
+is_text_mode:
+ mov bl, #0x10
+ call biosfn_get_single_palette_reg
+ and bh, #0xfe
+ or bh, al
+ call biosfn_set_single_palette_reg
+
+ pop dx
+ pop bx
+ pop ds
+ ret
+
+cirrus_enable_16k_granularity:
+ push ax
+ push dx
+ mov dx, #0x3ce
+ mov al, #0x0b
+ out dx, al
+ inc dx
+ in al, dx
+ or al, #0x20 ;; enable 16k
+ out dx, al
+ pop dx
+ pop ax
+ ret
+
+cirrus_switch_mode_setregs:
+csms_1:
+ mov ax, [bx]
+ cmp ax, #0xffff
+ jz csms_2
+ out dx, ax
+ add bx, #0x2
+ jmp csms_1
+csms_2:
+ ret
+
+cirrus_extbios_80h:
+ push dx
+ call cirrus_get_crtc
+ mov al, #0x27
+ out dx, al
+ inc dx
+ in al, dx
+ mov bx, #_cirrus_id_table
+c80h_1:
+ db 0x2e ;; cs:
+ mov ah, [bx]
+ cmp ah, al
+ jz c80h_2
+ cmp ah, #0xff
+ jz c80h_2
+ inc bx
+ inc bx
+ jmp c80h_1
+c80h_2:
+ db 0x2e ;; cs:
+ mov al, 0x1[bx]
+ pop dx
+ mov ah, #0x00
+ xor bx, bx
+ ret
+
+cirrus_extbios_81h:
+ mov ax, #0x100 ;; XXX
+ ret
+cirrus_extbios_82h:
+ push dx
+ call cirrus_get_crtc
+ xor ax, ax
+ mov al, #0x27
+ out dx, al
+ inc dx
+ in al, dx
+ and al, #0x03
+ mov ah, #0xAF
+ pop dx
+ ret
+
+cirrus_extbios_85h:
+ push cx
+ push dx
+ mov dx, #0x3C4
+ mov al, #0x0f ;; get DRAM band width
+ out dx, al
+ inc dx
+ in al, dx
+ ;; al = 4 << bandwidth
+ mov cl, al
+ shr cl, #0x03
+ and cl, #0x03
+ cmp cl, #0x03
+ je c85h2
+ mov al, #0x04
+ shl al, cl
+ jmp c85h3
+c85h2:
+;; 4MB or 2MB
+ and al, #0x80
+ mov al, #0x20 ;; 2 MB
+ je c85h3
+ mov al, #0x40 ;; 4 MB
+c85h3:
+ pop dx
+ pop cx
+ ret
+
+cirrus_extbios_9Ah:
+ mov ax, #0x4060
+ mov cx, #0x1132
+ ret
+
+cirrus_extbios_A0h:
+ call cirrus_get_modeentry
+ mov ah, #0x01
+ sbb ah, #0x00
+ mov bx, cirrus_extbios_A0h_callback
+ mov si, #0xffff
+ mov di, bx
+ mov ds, bx
+ mov es, bx
+ ret
+
+cirrus_extbios_A0h_callback:
+ ;; fatal: not implemented yet
+ cli
+ hlt
+ retf
+
+cirrus_extbios_A1h:
+ mov bx, #0x0E00 ;; IBM 8512/8513, color
+ ret
+
+cirrus_extbios_A2h:
+ mov al, #0x07 ;; HSync 31.5 - 64.0 kHz
+ ret
+
+cirrus_extbios_AEh:
+ mov al, #0x01 ;; High Refresh 75Hz
+ ret
+
+cirrus_extbios_unimplemented:
+ ret
+
+cirrus_vesa_00h:
+ push ds
+ push si
+ mov bp, di
+ push es
+ pop ds
+ cld
+ mov ax, [di]
+ cmp ax, #0x4256 ;; VB
+ jnz cv00_1
+ mov ax, [di+2]
+ cmp ax, #0x3245 ;; E2
+ jnz cv00_1
+ ;; VBE2
+ lea di, 0x14[bp]
+ mov ax, #0x0100 ;; soft ver.
+ stosw
+ mov ax, # cirrus_vesa_vendorname
+ stosw
+ mov ax, cs
+ stosw
+ mov ax, # cirrus_vesa_productname
+ stosw
+ mov ax, cs
+ stosw
+ mov ax, # cirrus_vesa_productrevision
+ stosw
+ mov ax, cs
+ stosw
+cv00_1:
+ mov di, bp
+ mov ax, #0x4556 ;; VE
+ stosw
+ mov ax, #0x4153 ;; SA
+ stosw
+ mov ax, #0x0200 ;; v2.00
+ stosw
+ mov ax, # cirrus_vesa_oemname
+ stosw
+ mov ax, cs
+ stosw
+ xor ax, ax ;; caps
+ stosw
+ stosw
+ lea ax, 0x40[bp]
+ stosw
+ mov ax, es
+ stosw
+ call cirrus_extbios_85h ;; vram in 64k
+ mov ah, #0x00
+ stosw
+
+ push cs
+ pop ds
+ lea di, 0x40[bp]
+ mov si, #_cirrus_vesa_modelist
+cv00_2:
+ lodsw
+ stosw
+ add si, #2
+ cmp ax, #0xffff
+ jnz cv00_2
+
+ mov ax, #0x004F
+ mov di, bp
+ pop si
+ pop ds
+ ret
+
+cirrus_vesa_01h:
+ mov ax, cx
+ and ax, #0x3fff
+ call cirrus_vesamode_to_mode
+ cmp ax, #0xffff
+ jnz cirrus_vesa_01h_1
+ jmp cirrus_vesa_unimplemented
+cirrus_vesa_01h_1:
+ push ds
+ push si
+ push cx
+ push dx
+ push bx
+ mov bp, di
+ cld
+ push cs
+ pop ds
+ call cirrus_get_modeentry_nomask
+
+ push di
+ xor ax, ax
+ mov cx, #0x80
+ rep
+ stosw ;; clear buffer
+ pop di
+
+ mov ax, #0x003b ;; mode
+ stosw
+ mov ax, #0x0007 ;; attr
+ stosw
+ mov ax, #0x0010 ;; granularity =16K
+ stosw
+ mov ax, #0x0040 ;; size =64K
+ stosw
+ mov ax, #0xA000 ;; segment A
+ stosw
+ xor ax, ax ;; no segment B
+ stosw
+ mov ax, #cirrus_vesa_05h_farentry
+ stosw
+ mov ax, cs
+ stosw
+ call cirrus_get_line_offset_entry
+ stosw ;; bytes per scan line
+ mov ax, [si+2] ;; width
+ stosw
+ mov ax, [si+4] ;; height
+ stosw
+ mov ax, #0x08
+ stosb
+ mov ax, #0x10
+ stosb
+ mov al, #1 ;; count of planes
+ stosb
+ mov al, [si+6] ;; bpp
+ stosb
+ mov al, #0x1 ;; XXX number of banks
+ stosb
+ mov al, [si+17]
+ stosb ;; memory model
+ mov al, #0x0 ;; XXX size of bank in K
+ stosb
+ call cirrus_get_line_offset_entry
+ mov bx, [si+4]
+ mul bx ;; dx:ax=vramdisp
+ or ax, ax
+ jz cirrus_vesa_01h_3
+ inc dx
+cirrus_vesa_01h_3:
+ call cirrus_extbios_85h ;; al=vram in 64k
+ mov ah, #0x00
+ mov cx, dx
+ xor dx, dx
+ div cx
+ dec ax
+ stosb ;; number of image pages = vramtotal/vramdisp-1
+ mov al, #0x00
+ stosb
+
+ ;; v1.2+ stuffs
+ push si
+ add si, #18
+ movsw
+ movsw
+ movsw
+ movsw
+ pop si
+
+ mov ah, [si+16]
+ mov al, #0x0
+ sub ah, #9
+ rcl al, #1 ; bit 0=palette flag
+ stosb ;; direct screen mode info
+
+ ;; v2.0+ stuffs
+ ;; 32-bit LFB address
+ xor ax, ax
+ stosw
+ mov ax, #0x1013 ;; vendor Cirrus
+ call _pci_get_lfb_addr
+ stosw
+ or ax, ax
+ jz cirrus_vesa_01h_4
+ push di
+ mov di, bp
+ db 0x26 ;; es:
+ mov ax, [di]
+ or ax, #0x0080 ;; mode bit 7:LFB
+ stosw
+ pop di
+cirrus_vesa_01h_4:
+
+ xor ax, ax
+ stosw ; reserved
+ stosw ; reserved
+ stosw ; reserved
+
+ mov ax, #0x004F
+ mov di, bp
+ pop bx
+ pop dx
+ pop cx
+ pop si
+ pop ds
+
+ test cx, #0x4000 ;; LFB flag
+ jz cirrus_vesa_01h_5
+ push cx
+ db 0x26 ;; es:
+ mov cx, [di]
+ cmp cx, #0x0080 ;; is LFB supported?
+ jnz cirrus_vesa_01h_6
+ mov ax, #0x014F ;; error - no LFB
+cirrus_vesa_01h_6:
+ pop cx
+cirrus_vesa_01h_5:
+ ret
+
+cirrus_vesa_02h:
+ ;; XXX support CRTC registers
+ test bx, #0x3e00
+ jnz cirrus_vesa_02h_2 ;; unknown flags
+ mov ax, bx
+ and ax, #0x1ff ;; bit 8-0 mode
+ cmp ax, #0x100 ;; legacy VGA mode
+ jb cirrus_vesa_02h_legacy
+ call cirrus_vesamode_to_mode
+ cmp ax, #0xffff
+ jnz cirrus_vesa_02h_1
+cirrus_vesa_02h_2:
+ jmp cirrus_vesa_unimplemented
+cirrus_vesa_02h_legacy:
+#ifdef CIRRUS_VESA3_PMINFO
+ db 0x2e ;; cs:
+ cmp byte ptr [cirrus_vesa_is_protected_mode], #0
+ jnz cirrus_vesa_02h_2
+#endif // CIRRUS_VESA3_PMINFO
+ int #0x10
+ mov ax, #0x004F
+ ret
+cirrus_vesa_02h_1:
+ push si
+ push ax
+ call cirrus_get_modeentry_nomask
+ call cirrus_switch_mode
+ test bx, #0x4000 ;; LFB
+ jnz cirrus_vesa_02h_3
+ call cirrus_enable_16k_granularity
+cirrus_vesa_02h_3:
+ test bx, #0x8000 ;; no clear
+ jnz cirrus_vesa_02h_4
+ push ax
+ xor ax,ax
+ call cirrus_clear_vram
+ pop ax
+cirrus_vesa_02h_4:
+ pop ax
+ push ds
+#ifdef CIRRUS_VESA3_PMINFO
+ db 0x2e ;; cs:
+ mov si, [cirrus_vesa_sel0000_data]
+#else
+ xor si, si
+#endif
+ mov ds, si
+ mov [PM_BIOSMEM_CURRENT_MODE], al
+ mov [PM_BIOSMEM_VBE_MODE], bx
+ pop ds
+ pop si
+ mov ax, #0x004F
+ ret
+
+cirrus_vesa_03h:
+ push ds
+#ifdef CIRRUS_VESA3_PMINFO
+ db 0x2e ;; cs:
+ mov ax, [cirrus_vesa_sel0000_data]
+#else
+ xor ax, ax
+#endif
+ mov ds, ax
+ mov bx, # PM_BIOSMEM_VBE_MODE
+ mov ax, [bx]
+ mov bx, ax
+ test bx, bx
+ jnz cirrus_vesa_03h_1
+ mov bx, # PM_BIOSMEM_CURRENT_MODE
+ mov al, [bx]
+ mov bl, al
+ xor bh, bh
+cirrus_vesa_03h_1:
+ mov ax, #0x004f
+ pop ds
+ ret
+
+cirrus_vesa_05h_farentry:
+ call cirrus_vesa_05h
+ retf
+
+cirrus_vesa_05h:
+ cmp bl, #0x01
+ ja cirrus_vesa_05h_1
+ cmp bh, #0x00
+ jz cirrus_vesa_05h_setmempage
+ cmp bh, #0x01
+ jz cirrus_vesa_05h_getmempage
+cirrus_vesa_05h_1:
+ jmp cirrus_vesa_unimplemented
+cirrus_vesa_05h_setmempage:
+ or dh, dh ; address must be < 0x100
+ jnz cirrus_vesa_05h_1
+ push dx
+ mov al, bl ;; bl=bank number
+ add al, #0x09
+ mov ah, dl ;; dx=window address in granularity
+ mov dx, #0x3ce
+ out dx, ax
+ pop dx
+ mov ax, #0x004F
+ ret
+cirrus_vesa_05h_getmempage:
+ mov al, bl ;; bl=bank number
+ add al, #0x09
+ mov dx, #0x3ce
+ out dx, al
+ inc dx
+ in al, dx
+ xor dx, dx
+ mov dl, al ;; dx=window address in granularity
+ mov ax, #0x004F
+ ret
+
+cirrus_vesa_06h:
+ mov ax, cx
+ cmp bl, #0x01
+ je cirrus_vesa_06h_3
+ cmp bl, #0x02
+ je cirrus_vesa_06h_2
+ jb cirrus_vesa_06h_1
+ mov ax, #0x0100
+ ret
+cirrus_vesa_06h_1:
+ call cirrus_get_bpp_bytes
+ mov bl, al
+ xor bh, bh
+ mov ax, cx
+ mul bx
+cirrus_vesa_06h_2:
+ call cirrus_set_line_offset
+cirrus_vesa_06h_3:
+ call cirrus_get_bpp_bytes
+ mov bl, al
+ xor bh, bh
+ xor dx, dx
+ call cirrus_get_line_offset
+ push ax
+ div bx
+ mov cx, ax
+ pop bx
+ call cirrus_extbios_85h ;; al=vram in 64k
+ xor dx, dx
+ mov dl, al
+ xor ax, ax
+ div bx
+ mov dx, ax
+ mov ax, #0x004f
+ ret
+
+cirrus_vesa_07h:
+ cmp bl, #0x80
+ je cirrus_vesa_07h_1
+ cmp bl, #0x01
+ je cirrus_vesa_07h_2
+ jb cirrus_vesa_07h_1
+ mov ax, #0x0100
+ ret
+cirrus_vesa_07h_1:
+ push dx
+ call cirrus_get_bpp_bytes
+ mov bl, al
+ xor bh, bh
+ mov ax, cx
+ mul bx
+ pop bx
+ push ax
+ call cirrus_get_line_offset
+ mul bx
+ pop bx
+ add ax, bx
+ jnc cirrus_vesa_07h_3
+ inc dx
+cirrus_vesa_07h_3:
+ push dx
+ and dx, #0x0003
+ mov bx, #0x04
+ div bx
+ pop dx
+ shr dx, #2
+ call cirrus_set_start_addr
+ mov ax, #0x004f
+ ret
+cirrus_vesa_07h_2:
+ call cirrus_get_start_addr
+ shl dx, #2
+ push dx
+ mov bx, #0x04
+ mul bx
+ pop bx
+ or dx, bx
+ push ax
+ call cirrus_get_line_offset
+ mov bx, ax
+ pop ax
+ div bx
+ push ax
+ push dx
+ call cirrus_get_bpp_bytes
+ mov bl, al
+ xor bh, bh
+ pop ax
+ xor dx, dx
+ div bx
+ mov cx, ax
+ pop dx
+ mov ax, #0x004f
+ ret
+
+cirrus_vesa_10h:
+ cmp bl, #0x00
+ jne cirrus_vesa_10h_01
+ mov bx, #0x0f30
+ mov ax, #0x004f
+ ret
+cirrus_vesa_10h_01:
+ cmp bl, #0x01
+ jne cirrus_vesa_10h_02
+ push dx
+ push ds
+ mov dx, #0x40
+ mov ds, dx
+ mov [0xb9], bh
+ pop ds
+ pop dx
+ mov ax, #0x004f
+ ret
+cirrus_vesa_10h_02:
+ cmp bl, #0x02
+ jne cirrus_vesa_unimplemented
+ push dx
+ push ds
+ mov dx, #0x40
+ mov ds, dx
+ mov bh, [0xb9]
+ pop ds
+ pop dx
+ mov ax, #0x004f
+ ret
+
+cirrus_vesa_unimplemented:
+ mov ax, #0x014F ;; not implemented
+ ret
+
+
+;; in ax:vesamode, out ax:cirrusmode
+cirrus_vesamode_to_mode:
+ push ds
+ push cx
+ push si
+ push cs
+ pop ds
+ mov cx, #0xffff
+ mov si, #_cirrus_vesa_modelist
+cvtm_1:
+ cmp [si],ax
+ jz cvtm_2
+ cmp [si],cx
+ jz cvtm_2
+ add si, #4
+ jmp cvtm_1
+cvtm_2:
+ mov ax,[si+2]
+ pop si
+ pop cx
+ pop ds
+ ret
+
+ ; cirrus_get_crtc
+ ;; NOTE - may be called in protected mode
+cirrus_get_crtc:
+ push ds
+ push ax
+ mov dx, #0x3cc
+ in al, dx
+ and al, #0x01
+ shl al, #5
+ mov dx, #0x3b4
+ add dl, al
+ pop ax
+ pop ds
+ ret
+
+;; in - al:mode, out - cflag:result, si:table, ax:destroyed
+cirrus_get_modeentry:
+ and al, #0x7f
+cirrus_get_modeentry_nomask:
+ mov si, #_cirrus_modes
+cgm_1:
+ db 0x2e ;; cs:
+ mov ah, [si]
+ cmp al, ah
+ jz cgm_2
+ cmp ah, #0xff
+ jz cgm_4
+ add si, # CIRRUS_MODE_SIZE
+ jmp cgm_1
+cgm_4:
+ xor si, si
+ stc ;; video mode is not supported
+ jmp cgm_3
+cgm_2:
+ clc ;; video mode is supported
+cgm_3:
+ ret
+
+;; out - al:bytes per pixel
+cirrus_get_bpp_bytes:
+ push dx
+ mov dx, #0x03c4
+ mov al, #0x07
+ out dx, al
+ inc dx
+ in al, dx
+ and al, #0x0e
+ cmp al, #0x06
+ jne cirrus_get_bpp_bytes_1
+ and al, #0x02
+cirrus_get_bpp_bytes_1:
+ shr al, #1
+ cmp al, #0x04
+ je cirrus_get_bpp_bytes_2
+ inc al
+cirrus_get_bpp_bytes_2:
+ pop dx
+ ret
+
+;; in - ax: new line offset
+cirrus_set_line_offset:
+ shr ax, #3
+ push ax
+ call cirrus_get_crtc
+ mov al, #0x13
+ out dx, al
+ inc dx
+ pop ax
+ out dx, al
+ dec dx
+ mov al, #0x1b
+ out dx, al
+ inc dx
+ shl ah, #4
+ in al, dx
+ and al, #ef
+ or al, ah
+ out dx, al
+ ret
+
+;; out - ax: active line offset
+cirrus_get_line_offset:
+ push dx
+ push bx
+ call cirrus_get_crtc
+ mov al, #0x13
+ out dx, al
+ inc dx
+ in al, dx
+ mov bl, al
+ dec dx
+ mov al, #0x1b
+ out dx, al
+ inc dx
+ in al, dx
+ mov ah, al
+ shr ah, #4
+ and ah, #0x01
+ mov al, bl
+ shl ax, #3
+ pop bx
+ pop dx
+ ret
+
+;; in - si: table
+;; out - ax: line offset for mode
+cirrus_get_line_offset_entry:
+ push bx
+ mov bx, [si+14] ;; crtc table
+ push bx
+offset_loop1:
+ mov ax, [bx]
+ cmp al, #0x13
+ je offset_found1
+ inc bx
+ inc bx
+ jnz offset_loop1
+offset_found1:
+ xor al, al
+ shr ax, #5
+ pop bx
+ push ax
+offset_loop2:
+ mov ax, [bx]
+ cmp al, #0x1b
+ je offset_found2
+ inc bx
+ inc bx
+ jnz offset_loop2
+offset_found2:
+ pop bx
+ and ax, #0x1000
+ shr ax, #1
+ or ax, bx
+ pop bx
+ ret
+
+;; in - new address in DX:AX
+cirrus_set_start_addr:
+ push bx
+ push dx
+ push ax
+ call cirrus_get_crtc
+ mov al, #0x0d
+ out dx, al
+ inc dx
+ pop ax
+ out dx, al
+ dec dx
+ mov al, #0x0c
+ out dx, al
+ inc dx
+ mov al, ah
+ out dx, al
+ dec dx
+ mov al, #0x1d
+ out dx, al
+ inc dx
+ in al, dx
+ and al, #0x7f
+ pop bx
+ mov ah, bl
+ shl bl, #4
+ and bl, #0x80
+ or al, bl
+ out dx, al
+ dec dx
+ mov bl, ah
+ and ah, #0x01
+ shl bl, #1
+ and bl, #0x0c
+ or ah, bl
+ mov al, #0x1b
+ out dx, al
+ inc dx
+ in al, dx
+ and al, #0xf2
+ or al, ah
+ out dx, al
+ pop bx
+ ret
+
+;; out - current address in DX:AX
+cirrus_get_start_addr:
+ push bx
+ call cirrus_get_crtc
+ mov al, #0x0c
+ out dx, al
+ inc dx
+ in al, dx
+ mov ah, al
+ dec dx
+ mov al, #0x0d
+ out dx, al
+ inc dx
+ in al, dx
+ push ax
+ dec dx
+ mov al, #0x1b
+ out dx, al
+ inc dx
+ in al, dx
+ dec dx
+ mov bl, al
+ and al, #0x01
+ and bl, #0x0c
+ shr bl, #1
+ or bl, al
+ mov al, #0x1d
+ out dx, al
+ inc dx
+ in al, dx
+ and al, #0x80
+ shr al, #4
+ or bl, al
+ mov dl, bl
+ xor dh, dh
+ pop ax
+ pop bx
+ ret
+
+cirrus_clear_vram:
+ pusha
+ push es
+ mov si, ax
+
+ call cirrus_enable_16k_granularity
+ call cirrus_extbios_85h
+ shl al, #2
+ mov bl, al
+ xor ah,ah
+cirrus_clear_vram_1:
+ mov al, #0x09
+ mov dx, #0x3ce
+ out dx, ax
+ push ax
+ mov cx, #0xa000
+ mov es, cx
+ xor di, di
+ mov ax, si
+ mov cx, #8192
+ cld
+ rep
+ stosw
+ pop ax
+ inc ah
+ cmp ah, bl
+ jne cirrus_clear_vram_1
+
+ xor ah,ah
+ mov dx, #0x3ce
+ out dx, ax
+
+ pop es
+ popa
+ ret
+
+cirrus_extbios_handlers:
+ ;; 80h
+ dw cirrus_extbios_80h
+ dw cirrus_extbios_81h
+ dw cirrus_extbios_82h
+ dw cirrus_extbios_unimplemented
+ ;; 84h
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_85h
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ ;; 88h
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ ;; 8Ch
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ ;; 90h
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ ;; 94h
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ ;; 98h
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_9Ah
+ dw cirrus_extbios_unimplemented
+ ;; 9Ch
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ ;; A0h
+ dw cirrus_extbios_A0h
+ dw cirrus_extbios_A1h
+ dw cirrus_extbios_A2h
+ dw cirrus_extbios_unimplemented
+ ;; A4h
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ ;; A8h
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ ;; ACh
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_unimplemented
+ dw cirrus_extbios_AEh
+ dw cirrus_extbios_unimplemented
+
+cirrus_vesa_handlers:
+ ;; 00h
+ dw cirrus_vesa_00h
+ dw cirrus_vesa_01h
+ dw cirrus_vesa_02h
+ dw cirrus_vesa_03h
+ ;; 04h
+ dw cirrus_vesa_unimplemented
+ dw cirrus_vesa_05h
+ dw cirrus_vesa_06h
+ dw cirrus_vesa_07h
+ ;; 08h
+ dw cirrus_vesa_unimplemented
+ dw cirrus_vesa_unimplemented
+ dw cirrus_vesa_unimplemented
+ dw cirrus_vesa_unimplemented
+ ;; 0Ch
+ dw cirrus_vesa_unimplemented
+ dw cirrus_vesa_unimplemented
+ dw cirrus_vesa_unimplemented
+ dw cirrus_vesa_unimplemented
+ ;; 10h
+ dw cirrus_vesa_10h
+
+
+ASM_END
+
+#ifdef CIRRUS_VESA3_PMINFO
+ASM_START
+cirrus_vesa_pminfo:
+ /* + 0 */
+ .byte 0x50,0x4d,0x49,0x44 ;; signature[4]
+ /* + 4 */
+ dw cirrus_vesa_pmbios_entry ;; entry_bios
+ dw cirrus_vesa_pmbios_init ;; entry_init
+ /* + 8 */
+cirrus_vesa_sel0000_data:
+ dw 0x0000 ;; sel_00000
+cirrus_vesa_selA000_data:
+ dw 0xA000 ;; sel_A0000
+ /* +12 */
+cirrus_vesa_selB000_data:
+ dw 0xB000 ;; sel_B0000
+cirrus_vesa_selB800_data:
+ dw 0xB800 ;; sel_B8000
+ /* +16 */
+cirrus_vesa_selC000_data:
+ dw 0xC000 ;; sel_C0000
+cirrus_vesa_is_protected_mode:
+ ;; protected mode flag and checksum
+ dw (~((0xf2 + (cirrus_vesa_pmbios_entry >> 8) + (cirrus_vesa_pmbios_entry) \
+ + (cirrus_vesa_pmbios_init >> 8) + (cirrus_vesa_pmbios_init)) & 0xff) << 8) + 0x01
+ASM_END
+#endif // CIRRUS_VESA3_PMINFO
+
+
+#ifdef CIRRUS_DEBUG
+static void cirrus_debugmsg(DI, SI, BP, SP, BX, DX, CX, AX, DS, ES, FLAGS)
+ Bit16u DI, SI, BP, SP, BX, DX, CX, AX, ES, DS, FLAGS;
+{
+ if((GET_AH()!=0x0E)&&(GET_AH()!=0x02)&&(GET_AH()!=0x09)&&(AX!=0x4F05))
+ printf("vgabios call ah%02x al%02x bx%04x cx%04x dx%04x\n",GET_AH(),GET_AL(),BX,CX,DX);
+}
+#endif
diff --git a/roms/vgabios/dataseghack b/roms/vgabios/dataseghack
new file mode 100755
index 00000000..02a2d4c5
--- /dev/null
+++ b/roms/vgabios/dataseghack
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+awk \
+ 'BEGIN { }\
+ /^\.text/,/DATA_SEG_DEFS_HERE/ { print }\
+ END { }'\
+ $1 > temp.awk.1
+
+awk \
+ 'BEGIN { i = 0; last = "hello" }\
+ /BLOCK_STRINGS_BEGIN/,/^\.bss/ { if ( i > 1 ) { print last } last = $0; i = i + 1 }\
+ END { }'\
+ $1 > temp.awk.2
+
+awk \
+ 'BEGIN { }\
+ /DATA_SEG_DEFS_HERE/,/BLOCK_STRINGS_BEGIN/ { print }\
+ END { }'\
+ $1 > temp.awk.3
+
+cp $1 $1.orig
+cat temp.awk.1 temp.awk.2 temp.awk.3 | sed -e 's/^\.data//' -e 's/^\.bss//' -e 's/^\.text//' > $1
+/bin/rm -f temp.awk.1 temp.awk.2 temp.awk.3 $1.orig
diff --git a/roms/vgabios/tests/lfbprof/Makefile b/roms/vgabios/tests/lfbprof/Makefile
new file mode 100644
index 00000000..7c42e38b
--- /dev/null
+++ b/roms/vgabios/tests/lfbprof/Makefile
@@ -0,0 +1,5 @@
+# Very simple makefile for LFBPROF.C using Watcom C++ 10.0a with DOS4GW
+
+lfbprof.exe: lfbprof.c lfbprof.h
+ wcl386 -zq -s -d2 lfbprof.c
+
diff --git a/roms/vgabios/tests/lfbprof/lfbprof.c b/roms/vgabios/tests/lfbprof/lfbprof.c
new file mode 100644
index 00000000..df37452e
--- /dev/null
+++ b/roms/vgabios/tests/lfbprof/lfbprof.c
@@ -0,0 +1,594 @@
+/****************************************************************************
+*
+* VBE 2.0 Linear Framebuffer Profiler
+* By Kendall Bennett and Brian Hook
+*
+* Filename: LFBPROF.C
+* Language: ANSI C
+* Environment: Watcom C/C++ 10.0a with DOS4GW
+*
+* Description: Simple program to profile the speed of screen clearing
+* and full screen BitBlt operations using a VESA VBE 2.0
+* linear framebuffer from 32 bit protected mode.
+*
+* For simplicity, this program only supports 256 color
+* SuperVGA video modes that support a linear framebuffer.
+*
+*
+* 2002/02/18: Jeroen Janssen <japj at xs4all dot nl>
+* - fixed unsigned short for mode list (-1 != 0xffff otherwise)
+* - fixed LfbMapRealPointer macro mask problem (some modes were skipped)
+*
+****************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <conio.h>
+#include <dos.h>
+#include "lfbprof.h"
+
+/*---------------------------- Global Variables ---------------------------*/
+
+int VESABuf_len = 1024; /* Length of VESABuf */
+int VESABuf_sel = 0; /* Selector for VESABuf */
+int VESABuf_rseg; /* Real mode segment of VESABuf */
+unsigned short modeList[50]; /* List of available VBE modes */
+float clearsPerSec; /* Number of clears per second */
+float clearsMbPerSec; /* Memory transfer for clears */
+float bitBltsPerSec; /* Number of BitBlt's per second */
+float bitBltsMbPerSec; /* Memory transfer for bitblt's */
+int xres,yres; /* Video mode resolution */
+int bytesperline; /* Bytes per scanline for mode */
+long imageSize; /* Length of the video image */
+char *LFBPtr; /* Pointer to linear framebuffer */
+
+/*------------------------- DPMI interface routines -----------------------*/
+
+void DPMI_allocRealSeg(int size,int *sel,int *r_seg)
+/****************************************************************************
+*
+* Function: DPMI_allocRealSeg
+* Parameters: size - Size of memory block to allocate
+* sel - Place to return protected mode selector
+* r_seg - Place to return real mode segment
+*
+* Description: Allocates a block of real mode memory using DPMI services.
+* This routine returns both a protected mode selector and
+* real mode segment for accessing the memory block.
+*
+****************************************************************************/
+{
+ union REGS r;
+
+ r.w.ax = 0x100; /* DPMI allocate DOS memory */
+ r.w.bx = (size + 0xF) >> 4; /* number of paragraphs */
+ int386(0x31, &r, &r);
+ if (r.w.cflag)
+ FatalError("DPMI_allocRealSeg failed!");
+ *sel = r.w.dx; /* Protected mode selector */
+ *r_seg = r.w.ax; /* Real mode segment */
+}
+
+void DPMI_freeRealSeg(unsigned sel)
+/****************************************************************************
+*
+* Function: DPMI_allocRealSeg
+* Parameters: sel - Protected mode selector of block to free
+*
+* Description: Frees a block of real mode memory.
+*
+****************************************************************************/
+{
+ union REGS r;
+
+ r.w.ax = 0x101; /* DPMI free DOS memory */
+ r.w.dx = sel; /* DX := selector from 0x100 */
+ int386(0x31, &r, &r);
+}
+
+typedef struct {
+ long edi;
+ long esi;
+ long ebp;
+ long reserved;
+ long ebx;
+ long edx;
+ long ecx;
+ long eax;
+ short flags;
+ short es,ds,fs,gs,ip,cs,sp,ss;
+ } _RMREGS;
+
+#define IN(reg) rmregs.e##reg = in->x.reg
+#define OUT(reg) out->x.reg = rmregs.e##reg
+
+int DPMI_int86(int intno, RMREGS *in, RMREGS *out)
+/****************************************************************************
+*
+* Function: DPMI_int86
+* Parameters: intno - Interrupt number to issue
+* in - Pointer to structure for input registers
+* out - Pointer to structure for output registers
+* Returns: Value returned by interrupt in AX
+*
+* Description: Issues a real mode interrupt using DPMI services.
+*
+****************************************************************************/
+{
+ _RMREGS rmregs;
+ union REGS r;
+ struct SREGS sr;
+
+ memset(&rmregs, 0, sizeof(rmregs));
+ IN(ax); IN(bx); IN(cx); IN(dx); IN(si); IN(di);
+
+ segread(&sr);
+ r.w.ax = 0x300; /* DPMI issue real interrupt */
+ r.h.bl = intno;
+ r.h.bh = 0;
+ r.w.cx = 0;
+ sr.es = sr.ds;
+ r.x.edi = (unsigned)&rmregs;
+ int386x(0x31, &r, &r, &sr); /* Issue the interrupt */
+
+ OUT(ax); OUT(bx); OUT(cx); OUT(dx); OUT(si); OUT(di);
+ out->x.cflag = rmregs.flags & 0x1;
+ return out->x.ax;
+}
+
+int DPMI_int86x(int intno, RMREGS *in, RMREGS *out, RMSREGS *sregs)
+/****************************************************************************
+*
+* Function: DPMI_int86
+* Parameters: intno - Interrupt number to issue
+* in - Pointer to structure for input registers
+* out - Pointer to structure for output registers
+* sregs - Values to load into segment registers
+* Returns: Value returned by interrupt in AX
+*
+* Description: Issues a real mode interrupt using DPMI services.
+*
+****************************************************************************/
+{
+ _RMREGS rmregs;
+ union REGS r;
+ struct SREGS sr;
+
+ memset(&rmregs, 0, sizeof(rmregs));
+ IN(ax); IN(bx); IN(cx); IN(dx); IN(si); IN(di);
+ rmregs.es = sregs->es;
+ rmregs.ds = sregs->ds;
+
+ segread(&sr);
+ r.w.ax = 0x300; /* DPMI issue real interrupt */
+ r.h.bl = intno;
+ r.h.bh = 0;
+ r.w.cx = 0;
+ sr.es = sr.ds;
+ r.x.edi = (unsigned)&rmregs;
+ int386x(0x31, &r, &r, &sr); /* Issue the interrupt */
+
+ OUT(ax); OUT(bx); OUT(cx); OUT(dx); OUT(si); OUT(di);
+ sregs->es = rmregs.es;
+ sregs->cs = rmregs.cs;
+ sregs->ss = rmregs.ss;
+ sregs->ds = rmregs.ds;
+ out->x.cflag = rmregs.flags & 0x1;
+ return out->x.ax;
+}
+
+int DPMI_allocSelector(void)
+/****************************************************************************
+*
+* Function: DPMI_allocSelector
+* Returns: Newly allocated protected mode selector
+*
+* Description: Allocates a new protected mode selector using DPMI
+* services. This selector has a base address and limit of 0.
+*
+****************************************************************************/
+{
+ int sel;
+ union REGS r;
+
+ r.w.ax = 0; /* DPMI allocate selector */
+ r.w.cx = 1; /* Allocate a single selector */
+ int386(0x31, &r, &r);
+ if (r.x.cflag)
+ FatalError("DPMI_allocSelector() failed!");
+ sel = r.w.ax;
+
+ r.w.ax = 9; /* DPMI set access rights */
+ r.w.bx = sel;
+ r.w.cx = 0x8092; /* 32 bit page granular */
+ int386(0x31, &r, &r);
+ return sel;
+}
+
+long DPMI_mapPhysicalToLinear(long physAddr,long limit)
+/****************************************************************************
+*
+* Function: DPMI_mapPhysicalToLinear
+* Parameters: physAddr - Physical memory address to map
+* limit - Length-1 of physical memory region to map
+* Returns: Starting linear address for mapped memory
+*
+* Description: Maps a section of physical memory into the linear address
+* space of a process using DPMI calls. Note that this linear
+* address cannot be used directly, but must be used as the
+* base address for a selector.
+*
+****************************************************************************/
+{
+ union REGS r;
+
+ r.w.ax = 0x800; /* DPMI map physical to linear */
+ r.w.bx = physAddr >> 16;
+ r.w.cx = physAddr & 0xFFFF;
+ r.w.si = limit >> 16;
+ r.w.di = limit & 0xFFFF;
+ int386(0x31, &r, &r);
+ if (r.x.cflag)
+ FatalError("DPMI_mapPhysicalToLinear() failed!");
+ return ((long)r.w.bx << 16) + r.w.cx;
+}
+
+void DPMI_setSelectorBase(int sel,long linAddr)
+/****************************************************************************
+*
+* Function: DPMI_setSelectorBase
+* Parameters: sel - Selector to change base address for
+* linAddr - Linear address used for new base address
+*
+* Description: Sets the base address for the specified selector.
+*
+****************************************************************************/
+{
+ union REGS r;
+
+ r.w.ax = 7; /* DPMI set selector base address */
+ r.w.bx = sel;
+ r.w.cx = linAddr >> 16;
+ r.w.dx = linAddr & 0xFFFF;
+ int386(0x31, &r, &r);
+ if (r.x.cflag)
+ FatalError("DPMI_setSelectorBase() failed!");
+}
+
+void DPMI_setSelectorLimit(int sel,long limit)
+/****************************************************************************
+*
+* Function: DPMI_setSelectorLimit
+* Parameters: sel - Selector to change limit for
+* limit - Limit-1 for the selector
+*
+* Description: Sets the memory limit for the specified selector.
+*
+****************************************************************************/
+{
+ union REGS r;
+
+ r.w.ax = 8; /* DPMI set selector limit */
+ r.w.bx = sel;
+ r.w.cx = limit >> 16;
+ r.w.dx = limit & 0xFFFF;
+ int386(0x31, &r, &r);
+ if (r.x.cflag)
+ FatalError("DPMI_setSelectorLimit() failed!");
+}
+
+/*-------------------------- VBE Interface routines -----------------------*/
+
+void FatalError(char *msg)
+{
+ fprintf(stderr,"%s\n", msg);
+ exit(1);
+}
+
+static void ExitVBEBuf(void)
+{
+ DPMI_freeRealSeg(VESABuf_sel);
+}
+
+void VBE_initRMBuf(void)
+/****************************************************************************
+*
+* Function: VBE_initRMBuf
+* Description: Initialises the VBE transfer buffer in real mode memory.
+* This routine is called by the VESAVBE module every time
+* it needs to use the transfer buffer, so we simply allocate
+* it once and then return.
+*
+****************************************************************************/
+{
+ if (!VESABuf_sel) {
+ DPMI_allocRealSeg(VESABuf_len, &VESABuf_sel, &VESABuf_rseg);
+ atexit(ExitVBEBuf);
+ }
+}
+
+void VBE_callESDI(RMREGS *regs, void *buffer, int size)
+/****************************************************************************
+*
+* Function: VBE_callESDI
+* Parameters: regs - Registers to load when calling VBE
+* buffer - Buffer to copy VBE info block to
+* size - Size of buffer to fill
+*
+* Description: Calls the VESA VBE and passes in a buffer for the VBE to
+* store information in, which is then copied into the users
+* buffer space. This works in protected mode as the buffer
+* passed to the VESA VBE is allocated in conventional
+* memory, and is then copied into the users memory block.
+*
+****************************************************************************/
+{
+ RMSREGS sregs;
+
+ VBE_initRMBuf();
+ sregs.es = VESABuf_rseg;
+ regs->x.di = 0;
+ _fmemcpy(MK_FP(VESABuf_sel,0),buffer,size);
+ DPMI_int86x(0x10, regs, regs, &sregs);
+ _fmemcpy(buffer,MK_FP(VESABuf_sel,0),size);
+}
+
+int VBE_detect(void)
+/****************************************************************************
+*
+* Function: VBE_detect
+* Parameters: vgaInfo - Place to store the VGA information block
+* Returns: VBE version number, or 0 if not detected.
+*
+* Description: Detects if a VESA VBE is out there and functioning
+* correctly. If we detect a VBE interface we return the
+* VGAInfoBlock returned by the VBE and the VBE version number.
+*
+****************************************************************************/
+{
+ RMREGS regs;
+ unsigned short *p1,*p2;
+ VBE_vgaInfo vgaInfo;
+
+ /* Put 'VBE2' into the signature area so that the VBE 2.0 BIOS knows
+ * that we have passed a 512 byte extended block to it, and wish
+ * the extended information to be filled in.
+ */
+ strncpy(vgaInfo.VESASignature,"VBE2",4);
+
+ /* Get the SuperVGA Information block */
+ regs.x.ax = 0x4F00;
+ VBE_callESDI(&regs, &vgaInfo, sizeof(VBE_vgaInfo));
+ if (regs.x.ax != 0x004F)
+ return 0;
+ if (strncmp(vgaInfo.VESASignature,"VESA",4) != 0)
+ return 0;
+
+ /* Now that we have detected a VBE interface, copy the list of available
+ * video modes into our local buffer. We *must* copy this mode list,
+ * since the VBE will build the mode list in the VBE_vgaInfo buffer
+ * that we have passed, so the next call to the VBE will trash the
+ * list of modes.
+ */
+ printf("videomodeptr %x\n",vgaInfo.VideoModePtr);
+ p1 = LfbMapRealPointer(vgaInfo.VideoModePtr);
+ p2 = modeList;
+ while (*p1 != -1)
+ {
+ printf("found mode %x\n",*p1);
+ *p2++ = *p1++;
+ }
+ *p2 = -1;
+ return vgaInfo.VESAVersion;
+}
+
+int VBE_getModeInfo(int mode,VBE_modeInfo *modeInfo)
+/****************************************************************************
+*
+* Function: VBE_getModeInfo
+* Parameters: mode - VBE mode to get information for
+* modeInfo - Place to store VBE mode information
+* Returns: 1 on success, 0 if function failed.
+*
+* Description: Obtains information about a specific video mode from the
+* VBE. You should use this function to find the video mode
+* you wish to set, as the new VBE 2.0 mode numbers may be
+* completely arbitrary.
+*
+****************************************************************************/
+{
+ RMREGS regs;
+
+ regs.x.ax = 0x4F01; /* Get mode information */
+ regs.x.cx = mode;
+ VBE_callESDI(&regs, modeInfo, sizeof(VBE_modeInfo));
+ if (regs.x.ax != 0x004F)
+ return 0;
+ if ((modeInfo->ModeAttributes & vbeMdAvailable) == 0)
+ return 0;
+ return 1;
+}
+
+void VBE_setVideoMode(int mode)
+/****************************************************************************
+*
+* Function: VBE_setVideoMode
+* Parameters: mode - VBE mode number to initialise
+*
+****************************************************************************/
+{
+ RMREGS regs;
+ regs.x.ax = 0x4F02;
+ regs.x.bx = mode;
+ DPMI_int86(0x10,&regs,&regs);
+}
+
+/*-------------------- Application specific routines ----------------------*/
+
+void *GetPtrToLFB(long physAddr)
+/****************************************************************************
+*
+* Function: GetPtrToLFB
+* Parameters: physAddr - Physical memory address of linear framebuffer
+* Returns: Far pointer to the linear framebuffer memory
+*
+****************************************************************************/
+{
+ int sel;
+ long linAddr,limit = (4096 * 1024) - 1;
+
+// sel = DPMI_allocSelector();
+ linAddr = DPMI_mapPhysicalToLinear(physAddr,limit);
+// DPMI_setSelectorBase(sel,linAddr);
+// DPMI_setSelectorLimit(sel,limit);
+// return MK_FP(sel,0);
+ return (void*)linAddr;
+}
+
+void AvailableModes(void)
+/****************************************************************************
+*
+* Function: AvailableModes
+*
+* Description: Display a list of available LFB mode resolutions.
+*
+****************************************************************************/
+{
+ unsigned short *p;
+ VBE_modeInfo modeInfo;
+
+ printf("Usage: LFBPROF <xres> <yres>\n\n");
+ printf("Available 256 color video modes:\n");
+ for (p = modeList; *p != -1; p++) {
+ if (VBE_getModeInfo(*p, &modeInfo)) {
+ /* Filter out only 8 bit linear framebuffer modes */
+ if ((modeInfo.ModeAttributes & vbeMdLinear) == 0)
+ continue;
+ if (modeInfo.MemoryModel != vbeMemPK
+ || modeInfo.BitsPerPixel != 8
+ || modeInfo.NumberOfPlanes != 1)
+ continue;
+ printf(" %4d x %4d %d bits per pixel\n",
+ modeInfo.XResolution, modeInfo.YResolution,
+ modeInfo.BitsPerPixel);
+ }
+ }
+ exit(1);
+}
+
+void InitGraphics(int x,int y)
+/****************************************************************************
+*
+* Function: InitGraphics
+* Parameters: x,y - Requested video mode resolution
+*
+* Description: Initialise the specified video mode. We search through
+* the list of available video modes for one that matches
+* the resolution and color depth are are looking for.
+*
+****************************************************************************/
+{
+ unsigned short *p;
+ VBE_modeInfo modeInfo;
+ printf("InitGraphics\n");
+
+ for (p = modeList; *p != -1; p++) {
+ if (VBE_getModeInfo(*p, &modeInfo)) {
+ /* Filter out only 8 bit linear framebuffer modes */
+ if ((modeInfo.ModeAttributes & vbeMdLinear) == 0)
+ continue;
+ if (modeInfo.MemoryModel != vbeMemPK
+ || modeInfo.BitsPerPixel != 8
+ || modeInfo.NumberOfPlanes != 1)
+ continue;
+ if (modeInfo.XResolution != x || modeInfo.YResolution != y)
+ continue;
+ xres = x;
+ yres = y;
+ bytesperline = modeInfo.BytesPerScanLine;
+ imageSize = bytesperline * yres;
+ VBE_setVideoMode(*p | vbeUseLFB);
+ LFBPtr = GetPtrToLFB(modeInfo.PhysBasePtr);
+ return;
+ }
+ }
+ printf("Valid video mode not found\n");
+ exit(1);
+}
+
+void EndGraphics(void)
+/****************************************************************************
+*
+* Function: EndGraphics
+*
+* Description: Restores text mode.
+*
+****************************************************************************/
+{
+ RMREGS regs;
+ printf("EndGraphics\n");
+ regs.x.ax = 0x3;
+ DPMI_int86(0x10, &regs, &regs);
+}
+
+void ProfileMode(void)
+/****************************************************************************
+*
+* Function: ProfileMode
+*
+* Description: Profiles framebuffer performance for simple screen clearing
+* and for copying from system memory to video memory (BitBlt).
+* This routine thrashes the CPU cache by cycling through
+* enough system memory buffers to invalidate the entire
+* CPU external cache before re-using the first memory buffer
+* again.
+*
+****************************************************************************/
+{
+ int i,numClears,numBlts,maxImages;
+ long startTicks,endTicks;
+ void *image[10],*dst;
+ printf("ProfileMode\n");
+
+ /* Profile screen clearing operation */
+ startTicks = LfbGetTicks();
+ numClears = 0;
+ while ((LfbGetTicks() - startTicks) < 182)
+ LfbMemset(LFBPtr,numClears++,imageSize);
+ endTicks = LfbGetTicks();
+ clearsPerSec = numClears / ((endTicks - startTicks) * 0.054925);
+ clearsMbPerSec = (clearsPerSec * imageSize) / 1048576.0;
+
+ /* Profile system memory to video memory copies */
+ maxImages = ((512 * 1024U) / imageSize) + 2;
+ for (i = 0; i < maxImages; i++) {
+ image[i] = malloc(imageSize);
+ if (image[i] == NULL)
+ FatalError("Not enough memory to profile BitBlt!");
+ memset(image[i],i+1,imageSize);
+ }
+ startTicks = LfbGetTicks();
+ numBlts = 0;
+ while ((LfbGetTicks() - startTicks) < 182)
+ LfbMemcpy(LFBPtr,image[numBlts++ % maxImages],imageSize);
+ endTicks = LfbGetTicks();
+ bitBltsPerSec = numBlts / ((endTicks - startTicks) * 0.054925);
+ bitBltsMbPerSec = (bitBltsPerSec * imageSize) / 1048576.0;
+}
+
+void main(int argc, char *argv[])
+{
+ if (VBE_detect() < 0x200)
+ FatalError("This program requires VBE 2.0; Please install UniVBE 5.1.");
+ if (argc != 3)
+ AvailableModes(); /* Display available modes */
+
+ InitGraphics(atoi(argv[1]),atoi(argv[2])); /* Start graphics */
+ ProfileMode(); /* Profile the video mode */
+ EndGraphics(); /* Restore text mode */
+
+ printf("Profiling results for %dx%d 8 bits per pixel.\n",xres,yres);
+ printf("%3.2f clears/s, %2.2f Mb/s\n", clearsPerSec, clearsMbPerSec);
+ printf("%3.2f bitBlt/s, %2.2f Mb/s\n", bitBltsPerSec, bitBltsMbPerSec);
+}
diff --git a/roms/vgabios/tests/lfbprof/lfbprof.h b/roms/vgabios/tests/lfbprof/lfbprof.h
new file mode 100644
index 00000000..bae0e09b
--- /dev/null
+++ b/roms/vgabios/tests/lfbprof/lfbprof.h
@@ -0,0 +1,149 @@
+/****************************************************************************
+*
+* VBE 2.0 Linear Framebuffer Profiler
+* By Kendall Bennett and Brian Hook
+*
+* Filename: LFBPROF.H
+* Language: ANSI C
+* Environment: Watcom C/C++ 10.0a with DOS4GW
+*
+* Description: Header file for the LFBPROF.C progam.
+*
+****************************************************************************/
+
+#ifndef __LFBPROF_H
+#define __LFBPROF_H
+
+/*---------------------- Macros and type definitions ----------------------*/
+
+#pragma pack(1)
+
+/* SuperVGA information block */
+
+typedef struct {
+ char VESASignature[4]; /* 'VESA' 4 byte signature */
+ short VESAVersion; /* VBE version number */
+ long OemStringPtr; /* Pointer to OEM string */
+ long Capabilities; /* Capabilities of video card */
+ long VideoModePtr; /* Pointer to supported modes */
+ short TotalMemory; /* Number of 64kb memory blocks */
+
+ /* VBE 2.0 extensions */
+
+ short OemSoftwareRev; /* OEM Software revision number */
+ long OemVendorNamePtr; /* Pointer to Vendor Name string */
+ long OemProductNamePtr; /* Pointer to Product Name string */
+ long OemProductRevPtr; /* Pointer to Product Revision str */
+ char reserved[222]; /* Pad to 256 byte block size */
+ char OemDATA[256]; /* Scratch pad for OEM data */
+ } VBE_vgaInfo;
+
+/* SuperVGA mode information block */
+
+typedef struct {
+ short ModeAttributes; /* Mode attributes */
+ char WinAAttributes; /* Window A attributes */
+ char WinBAttributes; /* Window B attributes */
+ short WinGranularity; /* Window granularity in k */
+ short WinSize; /* Window size in k */
+ short WinASegment; /* Window A segment */
+ short WinBSegment; /* Window B segment */
+ long WinFuncPtr; /* Pointer to window function */
+ short BytesPerScanLine; /* Bytes per scanline */
+ short XResolution; /* Horizontal resolution */
+ short YResolution; /* Vertical resolution */
+ char XCharSize; /* Character cell width */
+ char YCharSize; /* Character cell height */
+ char NumberOfPlanes; /* Number of memory planes */
+ char BitsPerPixel; /* Bits per pixel */
+ char NumberOfBanks; /* Number of CGA style banks */
+ char MemoryModel; /* Memory model type */
+ char BankSize; /* Size of CGA style banks */
+ char NumberOfImagePages; /* Number of images pages */
+ char res1; /* Reserved */
+ char RedMaskSize; /* Size of direct color red mask */
+ char RedFieldPosition; /* Bit posn of lsb of red mask */
+ char GreenMaskSize; /* Size of direct color green mask */
+ char GreenFieldPosition; /* Bit posn of lsb of green mask */
+ char BlueMaskSize; /* Size of direct color blue mask */
+ char BlueFieldPosition; /* Bit posn of lsb of blue mask */
+ char RsvdMaskSize; /* Size of direct color res mask */
+ char RsvdFieldPosition; /* Bit posn of lsb of res mask */
+ char DirectColorModeInfo; /* Direct color mode attributes */
+
+ /* VBE 2.0 extensions */
+
+ long PhysBasePtr; /* Physical address for linear buf */
+ long OffScreenMemOffset; /* Pointer to start of offscreen mem*/
+ short OffScreenMemSize; /* Amount of offscreen mem in 1K's */
+ char res2[206]; /* Pad to 256 byte block size */
+ } VBE_modeInfo;
+
+#define vbeMemPK 4 /* Packed Pixel memory model */
+#define vbeUseLFB 0x4000 /* Enable linear framebuffer mode */
+
+/* Flags for the mode attributes returned by VBE_getModeInfo. If
+ * vbeMdNonBanked is set to 1 and vbeMdLinear is also set to 1, then only
+ * the linear framebuffer mode is available.
+ */
+
+#define vbeMdAvailable 0x0001 /* Video mode is available */
+#define vbeMdColorMode 0x0008 /* Mode is a color video mode */
+#define vbeMdGraphMode 0x0010 /* Mode is a graphics mode */
+#define vbeMdNonBanked 0x0040 /* Banked mode is not supported */
+#define vbeMdLinear 0x0080 /* Linear mode supported */
+
+/* Structures for issuing real mode interrupts with DPMI */
+
+struct _RMWORDREGS {
+ unsigned short ax, bx, cx, dx, si, di, cflag;
+ };
+
+struct _RMBYTEREGS {
+ unsigned char al, ah, bl, bh, cl, ch, dl, dh;
+ };
+
+typedef union {
+ struct _RMWORDREGS x;
+ struct _RMBYTEREGS h;
+ } RMREGS;
+
+typedef struct {
+ unsigned short es;
+ unsigned short cs;
+ unsigned short ss;
+ unsigned short ds;
+ } RMSREGS;
+
+/* Inline assembler block fill/move routines */
+
+void LfbMemset(void *p,int c,int n);
+#pragma aux LfbMemset = \
+ "shr ecx,2" \
+ "xor eax,eax" \
+ "mov al,bl" \
+ "shl ebx,8" \
+ "or ax,bx" \
+ "mov ebx,eax" \
+ "shl ebx,16" \
+ "or eax,ebx" \
+ "rep stosd" \
+ parm [edi] [ebx] [ecx];
+
+void LfbMemcpy(void *dst,void *src,int n);
+#pragma aux LfbMemcpy = \
+ "shr ecx,2" \
+ "rep movsd" \
+ parm [edi] [esi] [ecx];
+
+/* Map a real mode pointer into address space */
+
+#define LfbMapRealPointer(p) (void*)(((unsigned)((p) & 0xFFFF0000) >> 12) + ((p) & 0xFFFF))
+
+/* Get the current timer tick count */
+
+#define LfbGetTicks() *((long*)0x46C)
+
+#pragma pack()
+
+#endif /* __LFBPROF_H */
diff --git a/roms/vgabios/tests/testbios.c b/roms/vgabios/tests/testbios.c
new file mode 100644
index 00000000..99da5a65
--- /dev/null
+++ b/roms/vgabios/tests/testbios.c
@@ -0,0 +1,353 @@
+/*
+ This is a little turbo C program that executes
+ several int10, and let you inspect the content
+ of the vgabios area
+
+ It is used to test the behavior of the vgabios
+*/
+
+#include <stdio.h>
+#include <dos.h>
+#include <conio.h>
+
+
+typedef unsigned char Bit8u;
+typedef unsigned short Bit16u;
+
+typedef struct
+{Bit8u initial;
+ Bit8u current;
+ Bit16u nbcols;
+ Bit16u regen;
+ Bit16u start;
+ Bit16u curpos[8];
+ Bit8u curtyp;
+ Bit8u curpage;
+ Bit16u crtc;
+ Bit16u msr;
+ Bit16u cgapal;
+ Bit8u nbrows;
+ Bit16u cheight;
+ Bit8u ctl;
+ Bit8u switches;
+ Bit8u modeset;
+ Bit8u dcc;
+ Bit16u vsseg;
+ Bit16u vsoffset;
+} BIOSAREA;
+
+void int10ax0003(struct REGPACK *regs)
+{
+ regs->r_ax=0x0003;
+ intr(0x10,regs);
+}
+
+void int10ax02(struct REGPACK *regs)
+{
+ regs->r_ax=0x0200;
+ regs->r_bx=0x0000;
+ regs->r_dx=0x1710;
+ intr(0x10,regs);
+ printf("We are now at 24/17");
+}
+
+void int10ax03(struct REGPACK *regs)
+{
+ regs->r_ax=0x0300;
+ regs->r_bx=0x0000;
+ intr(0x10,regs);
+ printf("\nCursor is ax%04x cx%04x dx%04x\n",regs->r_ax,regs->r_cx,regs->r_dx);
+}
+
+void int10ax0501(struct REGPACK *regs)
+{
+ regs->r_ax=0x0501;
+ intr(0x10,regs);
+ regs->r_ax=0x0e61;
+ regs->r_bx=0x0000;
+ intr(0x10,regs);
+ printf("We are now on page 2");
+}
+
+void int10ax0602(struct REGPACK *regs)
+{
+ regs->r_ax=0x0602;
+ regs->r_bx=0x0700;
+ regs->r_cx=0x0101;
+ regs->r_dx=0x0a0a;
+ intr(0x10,regs);
+ printf("Scrolled 2 up");
+}
+
+void int10ax0702(struct REGPACK *regs)
+{
+ regs->r_ax=0x0702;
+ regs->r_bx=0x0700;
+ regs->r_cx=0x0101;
+ regs->r_dx=0x0a0a;
+ intr(0x10,regs);
+ printf("Scrolled 2 down");
+}
+
+void int10ax08(struct REGPACK *regs)
+{
+ regs->r_ax=0x0800;
+ regs->r_bx=0x0000;
+ intr(0x10,regs);
+}
+
+void int10ax09(struct REGPACK *regs)
+{
+ char attr;
+ regs->r_ax=0x0501;
+ intr(0x10,regs);
+ for(attr=0;attr<16;attr++)
+ {printf("%02x ",attr);
+ regs->r_ax=0x0961+attr;
+ regs->r_bx=0x0100+attr;
+ regs->r_cx=0x0016;
+ intr(0x10,regs);
+ printf("\n");
+ }
+}
+
+void int10ax0a(struct REGPACK *regs)
+{
+ regs->r_ax=0x0501;
+ intr(0x10,regs);
+ regs->r_ax=0x0a62;
+ regs->r_bx=0x0101;
+ regs->r_cx=0x0016;
+ intr(0x10,regs);
+}
+
+void int10ax0f(struct REGPACK *regs)
+{
+ regs->r_ax=0x0501;
+ intr(0x10,regs);
+ regs->r_ax=0x0f00;
+ intr(0x10,regs);
+}
+
+void int10ax1b(struct REGPACK *regs)
+{unsigned char table[64];
+ unsigned char far *ptable;
+ int i;
+
+ regs->r_ax=0x0501;
+ intr(0x10,regs);
+ regs->r_ax=0x1b00;
+ regs->r_bx=0x0000;
+ ptable=&table;
+ regs->r_es=FP_SEG(ptable);
+ regs->r_di=FP_OFF(ptable);
+ printf("Read state info in %04x:%04x\n",regs->r_es,regs->r_di);
+ intr(0x10,regs);
+
+ for(i=0;i<64;i++)
+ {if(i%16==0)printf("\n%02x ",i);
+ printf("%02x ",table[i]);
+ }
+ printf("\n");
+}
+
+static unsigned char var[64];
+
+void int10ax13(struct REGPACK *regs)
+{unsigned char far *pvar;
+
+ pvar=&var;
+
+ regs->r_ax=0x1300;
+ regs->r_bx=0x000b;
+ regs->r_dx=0x1010;
+ regs->r_cx=0x0002;
+ regs->r_es=FP_SEG(pvar);
+ regs->r_bp=FP_OFF(pvar);
+ pokeb(regs->r_es,regs->r_bp,'t');
+ pokeb(regs->r_es,regs->r_bp+1,'b');
+ printf("Writing from %04x:%04x\n",regs->r_es,regs->r_bp);
+ intr(0x10,regs);
+
+}
+
+void switch_50(struct REGPACK *regs)
+{
+ regs->r_ax=0x1202;
+ regs->r_bx=0x3000;
+ intr(0x10,regs);
+ regs->r_ax=0x0003;
+ intr(0x10,regs);
+ regs->r_ax=0x1112;
+ regs->r_bx=0x0000;
+ intr(0x10,regs);
+}
+
+char exec_function(struct REGPACK *regs)
+{char c;
+
+ printf("--- Functions --------------------\n");
+ printf("a. int10 ax0003\t");
+ printf("b. int10 ax02\t");
+ printf("c. int10 ax03\t");
+ printf("d. int10 ax0501\n");
+ printf("e. int10 ax0602\t");
+ printf("f. int10 ax0702\t");
+ printf("g. int10 ax08\t");
+ printf("h. int10 ax09\t");
+ printf("i. int10 ax0a\n");
+ printf("j. int10 ax0f\t");
+ printf("k. int10 ax1b\t");
+ printf("l. int10 ax13\n");
+ printf("q. Quit\t");
+ printf("r. switch to 50 lines\n");
+ c=getche();
+
+ switch(c)
+ {case 'a':
+ int10ax0003(regs);
+ break;
+ case 'b':
+ int10ax02(regs);
+ break;
+ case 'c':
+ int10ax03(regs);
+ break;
+ case 'd':
+ int10ax0501(regs);
+ break;
+ case 'e':
+ int10ax0602(regs);
+ break;
+ case 'f':
+ int10ax0702(regs);
+ break;
+ case 'g':
+ int10ax08(regs);
+ break;
+ case 'h':
+ int10ax09(regs);
+ break;
+ case 'i':
+ int10ax0a(regs);
+ break;
+ case 'j':
+ int10ax0f(regs);
+ break;
+ case 'k':
+ int10ax1b(regs);
+ break;
+ case 'l':
+ int10ax13(regs);
+ break;
+ case 'q':
+ break;
+ case 'r':
+ switch_50(regs);
+ break;
+ default:
+ printf("No such function!\n");
+ }
+
+ if(c=='q')return 1;
+ while(kbhit()==0);
+ c=getch();
+
+ return 0;
+}
+
+void read_bios_area(BIOSAREA *biosarea)
+{
+ biosarea->initial=peekb(0x40,0x10);
+ biosarea->current=peekb(0x40,0x49);
+ biosarea->nbcols=peek(0x40,0x4a);
+ biosarea->regen=peek(0x40,0x4c);
+ biosarea->start=peek(0x40,0x4e);
+ biosarea->curpos[0]=peek(0x40,0x50);
+ biosarea->curpos[1]=peek(0x40,0x52);
+ biosarea->curpos[2]=peek(0x40,0x54);
+ biosarea->curpos[3]=peek(0x40,0x56);
+ biosarea->curpos[4]=peek(0x40,0x58);
+ biosarea->curpos[5]=peek(0x40,0x5a);
+ biosarea->curpos[6]=peek(0x40,0x5c);
+ biosarea->curpos[7]=peek(0x40,0x5e);
+ biosarea->curtyp=peek(0x40,0x60);
+ biosarea->curpage=peekb(0x40,0x62);
+ biosarea->crtc=peek(0x40,0x63);
+ biosarea->msr=peekb(0x40,0x65);
+ biosarea->cgapal=peekb(0x40,0x66);
+ biosarea->nbrows=peekb(0x40,0x84);
+ biosarea->cheight=peek(0x40,0x85);
+ biosarea->ctl=peekb(0x40,0x87);
+ biosarea->switches=peekb(0x40,0x88);
+ biosarea->modeset=peekb(0x40,0x89);
+ biosarea->dcc=peekb(0x40,0x8a);
+ biosarea->vsseg=peek(0x40,0xa8);
+ biosarea->vsoffset=peek(0x40,0xaa);
+}
+
+void show_bios_area(BIOSAREA *biosarea)
+{
+ printf("--- BIOS area --------------------\n");
+ printf("initial : %02x\t",biosarea->initial);
+ printf("current : %02x\t",biosarea->current);
+ printf("nbcols : %04x\t",biosarea->nbcols);
+ printf("regen : %04x\t",biosarea->regen);
+ printf("start : %04x\n",biosarea->start);
+ printf("curpos : %04x %04x %04x %04x %04x %04x %04x %04x\n",
+ biosarea->curpos[0], biosarea->curpos[1], biosarea->curpos[2], biosarea->curpos[3],
+ biosarea->curpos[4], biosarea->curpos[5], biosarea->curpos[6], biosarea->curpos[7]);
+ printf("curtyp : %04x\t",biosarea->curtyp);
+ printf("curpage : %02x\t",biosarea->curpage);
+ printf("crtc : %04x\t",biosarea->crtc);
+ printf("msr : %04x\n",biosarea->msr);
+ printf("cgapal : %04x\t",biosarea->cgapal);
+ printf("nbrows-1: %02x\t",biosarea->nbrows);
+ printf("cheight : %04x\t",biosarea->cheight);
+ printf("ctl : %02x\n",biosarea->ctl);
+ printf("switches: %02x\t",biosarea->switches);
+ printf("modeset : %02x\t",biosarea->modeset);
+ printf("dcc : %02x\t",biosarea->dcc);
+ printf("vs : %04x:%04x\n",biosarea->vsseg,biosarea->vsoffset);
+}
+
+void show_regs(struct REGPACK *regs)
+{
+ printf("--- Registers --------------------\n");
+ printf("ax %04x\t",regs->r_ax);
+ printf("bx %04x\t",regs->r_bx);
+ printf("cx %04x\t",regs->r_cx);
+ printf("dx %04x\t",regs->r_dx);
+ printf("ds %04x\t",regs->r_ds);
+ printf("si %04x\t",regs->r_si);
+ printf("es %04x\t",regs->r_es);
+ printf("di %04x\n",regs->r_di);
+}
+
+void reset_videomode()
+{
+ struct REGPACK regs;
+
+ regs.r_ax=0x0003;
+ intr(0x10,&regs);
+}
+
+void main()
+{
+
+ BIOSAREA biosarea;
+ struct REGPACK regs;
+
+ directvideo=0;
+
+ while(1)
+ {
+ read_bios_area(&biosarea);
+
+ reset_videomode();
+ show_bios_area(&biosarea);
+ show_regs(&regs);
+
+ if(exec_function(&regs)!=0)break;
+ }
+}
diff --git a/roms/vgabios/vbe.c b/roms/vgabios/vbe.c
new file mode 100644
index 00000000..1fab2f9e
--- /dev/null
+++ b/roms/vgabios/vbe.c
@@ -0,0 +1,1456 @@
+// ============================================================================================
+//
+// Copyright (C) 2002 Jeroen Janssen
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// ============================================================================================
+//
+// This VBE is part of the VGA Bios specific to the plex86/bochs Emulated VGA card.
+// You can NOT drive any physical vga card with it.
+//
+// ============================================================================================
+//
+// This VBE Bios is based on information taken from :
+// - VESA BIOS EXTENSION (VBE) Core Functions Standard Version 3.0 located at www.vesa.org
+//
+// ============================================================================================
+
+
+// defines available
+
+// disable VESA/VBE2 check in vbe info
+//#define VBE2_NO_VESA_CHECK
+
+
+#include "vbe.h"
+#include "vbetables.h"
+
+// The current OEM Software Revision of this VBE Bios
+#define VBE_OEM_SOFTWARE_REV 0x0002;
+
+extern char vbebios_copyright;
+extern char vbebios_vendor_name;
+extern char vbebios_product_name;
+extern char vbebios_product_revision;
+
+ASM_START
+// FIXME: 'merge' these (c) etc strings with the vgabios.c strings?
+_vbebios_copyright:
+.ascii "Bochs/Plex86 VBE(C) 2003 http://savannah.nongnu.org/projects/vgabios/"
+.byte 0x00
+
+_vbebios_vendor_name:
+.ascii "Bochs/Plex86 Developers"
+.byte 0x00
+
+_vbebios_product_name:
+.ascii "Bochs/Plex86 VBE Adapter"
+.byte 0x00
+
+_vbebios_product_revision:
+.ascii "$Id$"
+.byte 0x00
+
+_vbebios_info_string:
+.ascii "Bochs VBE Display Adapter enabled"
+.byte 0x0a,0x0d
+.byte 0x0a,0x0d
+.byte 0x00
+
+_no_vbebios_info_string:
+.ascii "NO Bochs VBE Support available!"
+.byte 0x0a,0x0d
+.byte 0x0a,0x0d
+.byte 0x00
+
+#if defined(USE_BX_INFO) || defined(DEBUG)
+msg_vbe_init:
+.ascii "VBE Bios $Id$"
+.byte 0x0a,0x0d, 0x00
+#endif
+
+ .align 2
+vesa_pm_start:
+ dw vesa_pm_set_window - vesa_pm_start
+ dw vesa_pm_set_display_start - vesa_pm_start
+ dw vesa_pm_unimplemented - vesa_pm_start
+ dw vesa_pm_io_ports_table - vesa_pm_start
+vesa_pm_io_ports_table:
+ dw VBE_DISPI_IOPORT_INDEX
+ dw VBE_DISPI_IOPORT_INDEX + 1
+ dw VBE_DISPI_IOPORT_DATA
+ dw VBE_DISPI_IOPORT_DATA + 1
+ dw 0xffff
+ dw 0xffff
+
+ USE32
+vesa_pm_set_window:
+ cmp bx, #0x00
+ je vesa_pm_set_display_window1
+ mov ax, #0x0100
+ ret
+vesa_pm_set_display_window1:
+ mov ax, dx
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_BANK
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ in ax, dx
+ pop dx
+ cmp dx, ax
+ jne illegal_window
+ mov ax, #0x004f
+ ret
+illegal_window:
+ mov ax, #0x014f
+ ret
+
+vesa_pm_set_display_start:
+ cmp bl, #0x80
+ je vesa_pm_set_display_start1
+ cmp bl, #0x00
+ je vesa_pm_set_display_start1
+ mov ax, #0x0100
+ ret
+vesa_pm_set_display_start1:
+; convert offset to (X, Y) coordinate
+; (would be simpler to change Bochs VBE API...)
+ push eax
+ push ecx
+ push edx
+ push esi
+ push edi
+ shl edx, #16
+ and ecx, #0xffff
+ or ecx, edx
+ shl ecx, #2
+ mov eax, ecx
+
+ push eax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_VIRT_WIDTH
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ movzx ecx, ax
+
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_BPP
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ movzx esi, ax
+ pop eax
+
+ cmp esi, #4
+ jz bpp4_mode
+ add esi, #7
+ shr esi, #3
+ imul ecx, esi
+ xor edx, edx
+ div ecx
+ mov edi, eax
+ mov eax, edx
+ xor edx, edx
+ div esi
+ jmp set_xy_regs
+
+bpp4_mode:
+ shr ecx, #1
+ xor edx, edx
+ div ecx
+ mov edi, eax
+ mov eax, edx
+ shl eax, #1
+
+set_xy_regs:
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_X_OFFSET
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ pop dx
+
+ mov ax, di
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_Y_OFFSET
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ pop dx
+
+ pop edi
+ pop esi
+ pop edx
+ pop ecx
+ pop eax
+ mov ax, #0x004f
+ ret
+
+vesa_pm_unimplemented:
+ mov ax, #0x014f
+ ret
+ USE16
+vesa_pm_end:
+
+; DISPI ioport functions
+
+dispi_get_id:
+ push dx
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_ID
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ pop dx
+ ret
+
+dispi_set_id:
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_ID
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ pop dx
+ ret
+ASM_END
+
+static void dispi_set_xres(xres)
+ Bit16u xres;
+{
+ASM_START
+ push bp
+ mov bp, sp
+ push ax
+ push dx
+
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_XRES
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ mov ax, 4[bp] ; xres
+ out dx, ax
+
+ pop dx
+ pop ax
+ pop bp
+ASM_END
+}
+
+static void dispi_set_yres(yres)
+ Bit16u yres;
+{
+ outw(VBE_DISPI_IOPORT_INDEX,VBE_DISPI_INDEX_YRES);
+ outw(VBE_DISPI_IOPORT_DATA,yres);
+}
+
+static void dispi_set_bpp(bpp)
+ Bit16u bpp;
+{
+ outw(VBE_DISPI_IOPORT_INDEX,VBE_DISPI_INDEX_BPP);
+ outw(VBE_DISPI_IOPORT_DATA,bpp);
+}
+
+ASM_START
+; AL = bits per pixel / AH = bytes per pixel
+dispi_get_bpp:
+ push dx
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_BPP
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ mov ah, al
+ shr ah, 3
+ test al, #0x07
+ jz get_bpp_noinc
+ inc ah
+get_bpp_noinc:
+ pop dx
+ ret
+
+; get display capabilities
+
+_dispi_get_max_xres:
+ push dx
+ push bx
+ call dispi_get_enable
+ mov bx, ax
+ or ax, # VBE_DISPI_GETCAPS
+ call _dispi_set_enable
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_XRES
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ push ax
+ mov ax, bx
+ call _dispi_set_enable
+ pop ax
+ pop bx
+ pop dx
+ ret
+
+_dispi_get_max_bpp:
+ push dx
+ push bx
+ call dispi_get_enable
+ mov bx, ax
+ or ax, # VBE_DISPI_GETCAPS
+ call _dispi_set_enable
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_BPP
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ push ax
+ mov ax, bx
+ call _dispi_set_enable
+ pop ax
+ pop bx
+ pop dx
+ ret
+
+_dispi_set_enable:
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_ENABLE
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ pop dx
+ ret
+
+dispi_get_enable:
+ push dx
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_ENABLE
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ pop dx
+ ret
+
+_dispi_set_bank:
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_BANK
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ pop dx
+ ret
+
+dispi_get_bank:
+ push dx
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_BANK
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ pop dx
+ ret
+ASM_END
+
+static void dispi_set_bank_farcall()
+{
+ASM_START
+ cmp bx,#0x0100
+ je dispi_set_bank_farcall_get
+ or bx,bx
+ jnz dispi_set_bank_farcall_error
+ mov ax,dx
+ push dx
+ push ax
+ mov ax,# VBE_DISPI_INDEX_BANK
+ mov dx,# VBE_DISPI_IOPORT_INDEX
+ out dx,ax
+ pop ax
+ mov dx,# VBE_DISPI_IOPORT_DATA
+ out dx,ax
+ in ax,dx
+ pop dx
+ cmp dx,ax
+ jne dispi_set_bank_farcall_error
+ mov ax, #0x004f
+ retf
+dispi_set_bank_farcall_get:
+ mov ax,# VBE_DISPI_INDEX_BANK
+ mov dx,# VBE_DISPI_IOPORT_INDEX
+ out dx,ax
+ mov dx,# VBE_DISPI_IOPORT_DATA
+ in ax,dx
+ mov dx,ax
+ retf
+dispi_set_bank_farcall_error:
+ mov ax,#0x014F
+ retf
+ASM_END
+}
+
+ASM_START
+dispi_set_x_offset:
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_X_OFFSET
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ pop dx
+ ret
+
+dispi_get_x_offset:
+ push dx
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_X_OFFSET
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ pop dx
+ ret
+
+dispi_set_y_offset:
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_Y_OFFSET
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ pop dx
+ ret
+
+dispi_get_y_offset:
+ push dx
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_Y_OFFSET
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ pop dx
+ ret
+
+vga_set_virt_width:
+ push ax
+ push bx
+ push dx
+ mov bx, ax
+ call dispi_get_bpp
+ cmp al, #0x04
+ ja set_width_svga
+ shr bx, #1
+set_width_svga:
+ shr bx, #3
+ mov dx, # VGAREG_VGA_CRTC_ADDRESS
+ mov ah, bl
+ mov al, #0x13
+ out dx, ax
+ pop dx
+ pop bx
+ pop ax
+ ret
+
+dispi_set_virt_width:
+ call vga_set_virt_width
+ push dx
+ push ax
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_VIRT_WIDTH
+ out dx, ax
+ pop ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ out dx, ax
+ pop dx
+ ret
+
+dispi_get_virt_width:
+ push dx
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_VIRT_WIDTH
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ pop dx
+ ret
+
+dispi_get_virt_height:
+ push dx
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_VIRT_HEIGHT
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ pop dx
+ ret
+
+_vga_compat_setup:
+ push ax
+ push dx
+
+ ; set CRT X resolution
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_XRES
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ push ax
+ mov dx, # VGAREG_VGA_CRTC_ADDRESS
+ mov ax, #0x0011
+ out dx, ax
+ pop ax
+ push ax
+ shr ax, #3
+ dec ax
+ mov ah, al
+ mov al, #0x01
+ out dx, ax
+ pop ax
+ call vga_set_virt_width
+
+ ; set CRT Y resolution
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_YRES
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ dec ax
+ push ax
+ mov dx, # VGAREG_VGA_CRTC_ADDRESS
+ mov ah, al
+ mov al, #0x12
+ out dx, ax
+ pop ax
+ mov al, #0x07
+ out dx, al
+ inc dx
+ in al, dx
+ and al, #0xbd
+ test ah, #0x01
+ jz bit8_clear
+ or al, #0x02
+bit8_clear:
+ test ah, #0x02
+ jz bit9_clear
+ or al, #0x40
+bit9_clear:
+ out dx, al
+
+ ; other settings
+ mov dx, # VGAREG_VGA_CRTC_ADDRESS
+ mov ax, #0x0009
+ out dx, ax
+ mov al, #0x17
+ out dx, al
+ mov dx, # VGAREG_VGA_CRTC_DATA
+ in al, dx
+ or al, #0x03
+ out dx, al
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x10
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ or al, #0x01
+ mov dx, # VGAREG_ACTL_ADDRESS
+ out dx, al
+ mov al, #0x20
+ out dx, al
+ mov dx, # VGAREG_GRDC_ADDRESS
+ mov ax, #0x0506
+ out dx, ax
+ mov dx, # VGAREG_SEQU_ADDRESS
+ mov ax, #0x0f02
+ out dx, ax
+
+ ; settings for >= 8bpp
+ mov dx, # VBE_DISPI_IOPORT_INDEX
+ mov ax, # VBE_DISPI_INDEX_BPP
+ out dx, ax
+ mov dx, # VBE_DISPI_IOPORT_DATA
+ in ax, dx
+ cmp al, #0x08
+ jb vga_compat_end
+ mov dx, # VGAREG_VGA_CRTC_ADDRESS
+ mov al, #0x14
+ out dx, al
+ mov dx, # VGAREG_VGA_CRTC_DATA
+ in al, dx
+ or al, #0x40
+ out dx, al
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x10
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ or al, #0x40
+ mov dx, # VGAREG_ACTL_ADDRESS
+ out dx, al
+ mov al, #0x20
+ out dx, al
+ mov dx, # VGAREG_SEQU_ADDRESS
+ mov al, #0x04
+ out dx, al
+ mov dx, # VGAREG_SEQU_DATA
+ in al, dx
+ or al, #0x08
+ out dx, al
+ mov dx, # VGAREG_GRDC_ADDRESS
+ mov al, #0x05
+ out dx, al
+ mov dx, # VGAREG_GRDC_DATA
+ in al, dx
+ and al, #0x9f
+ or al, #0x40
+ out dx, al
+
+vga_compat_end:
+ pop dx
+ pop ax
+ASM_END
+
+
+// ModeInfo helper function
+static ModeInfoListItem* mode_info_find_mode(mode, using_lfb)
+ Bit16u mode; Boolean using_lfb;
+{
+ ModeInfoListItem *cur_info=&mode_info_list;
+
+ while (cur_info->mode != VBE_VESA_MODE_END_OF_LIST)
+ {
+ if (cur_info->mode == mode)
+ {
+ if (!using_lfb)
+ {
+ return cur_info;
+ }
+ else if (cur_info->info.ModeAttributes & VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE)
+ {
+ return cur_info;
+ }
+ else
+ {
+ cur_info++;
+ }
+ }
+ else
+ {
+ cur_info++;
+ }
+ }
+
+ return 0;
+}
+
+ASM_START
+
+; Has VBE display - Returns true if VBE display detected
+
+_vbe_has_vbe_display:
+ push ds
+ push bx
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ mov bx, # BIOSMEM_VBE_FLAG
+ mov al, [bx]
+ and al, #0x01
+ xor ah, ah
+ pop bx
+ pop ds
+ ret
+
+; VBE Init - Initialise the Vesa Bios Extension Code
+; This function does a sanity check on the host side display code interface.
+
+vbe_init:
+ mov ax, # VBE_DISPI_ID0
+ call dispi_set_id
+ call dispi_get_id
+ cmp ax, # VBE_DISPI_ID0
+ jne no_vbe_interface
+ push ds
+ push bx
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ mov bx, # BIOSMEM_VBE_FLAG
+ mov al, #0x01
+ mov [bx], al
+ pop bx
+ pop ds
+ mov ax, # VBE_DISPI_ID5
+ call dispi_set_id
+no_vbe_interface:
+#if defined(USE_BX_INFO) || defined(DEBUG)
+ mov bx, #msg_vbe_init
+ push bx
+ call _printf
+ inc sp
+ inc sp
+#endif
+ ret
+
+; VBE Display Info - Display information on screen about the VBE
+
+vbe_display_info:
+ call _vbe_has_vbe_display
+ test ax, ax
+ jz no_vbe_flag
+ mov ax, #0xc000
+ mov ds, ax
+ mov si, #_vbebios_info_string
+ jmp _display_string
+no_vbe_flag:
+ mov ax, #0xc000
+ mov ds, ax
+ mov si, #_no_vbebios_info_string
+ jmp _display_string
+
+; helper function for memory size calculation
+
+lmulul:
+ and eax, #0x0000FFFF
+ shl ebx, #16
+ or eax, ebx
+ SEG SS
+ mul eax, dword ptr [di]
+ mov ebx, eax
+ shr ebx, #16
+ ret
+ASM_END
+
+/** Function 00h - Return VBE Controller Information
+ *
+ * Input:
+ * AX = 4F00h
+ * ES:DI = Pointer to buffer in which to place VbeInfoBlock structure
+ * (VbeSignature should be VBE2 when VBE 2.0 information is desired and
+ * the info block is 512 bytes in size)
+ * Output:
+ * AX = VBE Return Status
+ *
+ */
+void vbe_biosfn_return_controller_information(AX, ES, DI)
+Bit16u *AX;Bit16u ES;Bit16u DI;
+{
+ Bit16u ss=get_SS();
+ VbeInfoBlock vbe_info_block;
+ Bit16u status;
+ Bit16u result;
+ Bit16u vbe2_info;
+ Bit16u cur_mode=0;
+ Bit16u cur_ptr=34;
+ Bit16u size_64k;
+ ModeInfoListItem *cur_info=&mode_info_list;
+
+ status = read_word(ss, AX);
+
+#ifdef DEBUG
+ printf("VBE vbe_biosfn_return_vbe_info ES%x DI%x AX%x\n",ES,DI,status);
+#endif
+
+ vbe2_info = 0;
+#ifdef VBE2_NO_VESA_CHECK
+#else
+ // get vbe_info_block into local variable
+ memcpyb(ss, &vbe_info_block, ES, DI, sizeof(vbe_info_block));
+
+ // check for VBE2 signature
+ if (((vbe_info_block.VbeSignature[0] == 'V') &&
+ (vbe_info_block.VbeSignature[1] == 'B') &&
+ (vbe_info_block.VbeSignature[2] == 'E') &&
+ (vbe_info_block.VbeSignature[3] == '2')) ||
+
+ ((vbe_info_block.VbeSignature[0] == 'V') &&
+ (vbe_info_block.VbeSignature[1] == 'E') &&
+ (vbe_info_block.VbeSignature[2] == 'S') &&
+ (vbe_info_block.VbeSignature[3] == 'A')) )
+ {
+ vbe2_info = 1;
+#ifdef DEBUG
+ printf("VBE correct VESA/VBE2 signature found\n");
+#endif
+ }
+#endif
+
+ // VBE Signature
+ vbe_info_block.VbeSignature[0] = 'V';
+ vbe_info_block.VbeSignature[1] = 'E';
+ vbe_info_block.VbeSignature[2] = 'S';
+ vbe_info_block.VbeSignature[3] = 'A';
+
+ // VBE Version supported
+ vbe_info_block.VbeVersion = 0x0200;
+
+ // OEM String
+ vbe_info_block.OemStringPtr_Seg = 0xc000;
+ vbe_info_block.OemStringPtr_Off = &vbebios_copyright;
+
+ // Capabilities
+ vbe_info_block.Capabilities[0] = VBE_CAPABILITY_8BIT_DAC;
+ vbe_info_block.Capabilities[1] = 0;
+ vbe_info_block.Capabilities[2] = 0;
+ vbe_info_block.Capabilities[3] = 0;
+
+ // VBE Video Mode Pointer (dynamicly generated from the mode_info_list)
+ vbe_info_block.VideoModePtr_Seg= ES ;
+ vbe_info_block.VideoModePtr_Off= DI + 34;
+
+ // VBE Total Memory (in 64k blocks)
+ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_VIDEO_MEMORY_64K);
+ vbe_info_block.TotalMemory = inw(VBE_DISPI_IOPORT_DATA);
+
+ if (vbe2_info)
+ {
+ // OEM Stuff
+ vbe_info_block.OemSoftwareRev = VBE_OEM_SOFTWARE_REV;
+ vbe_info_block.OemVendorNamePtr_Seg = 0xc000;
+ vbe_info_block.OemVendorNamePtr_Off = &vbebios_vendor_name;
+ vbe_info_block.OemProductNamePtr_Seg = 0xc000;
+ vbe_info_block.OemProductNamePtr_Off = &vbebios_product_name;
+ vbe_info_block.OemProductRevPtr_Seg = 0xc000;
+ vbe_info_block.OemProductRevPtr_Off = &vbebios_product_revision;
+
+ // copy updates in vbe_info_block back
+ memcpyb(ES, DI, ss, &vbe_info_block, sizeof(vbe_info_block));
+ }
+ else
+ {
+ // copy updates in vbe_info_block back (VBE 1.x compatibility)
+ memcpyb(ES, DI, ss, &vbe_info_block, 256);
+ }
+
+ do
+ {
+ size_64k = (Bit16u)((Bit32u)cur_info->info.XResolution * cur_info->info.XResolution * cur_info->info.BitsPerPixel) >> 19;
+
+ if ((cur_info->info.XResolution <= dispi_get_max_xres()) &&
+ (cur_info->info.BitsPerPixel <= dispi_get_max_bpp()) &&
+ (size_64k <= vbe_info_block.TotalMemory)) {
+#ifdef DEBUG
+ printf("VBE found mode %x => %x\n", cur_info->mode,cur_mode);
+#endif
+ write_word(ES, DI + cur_ptr, cur_info->mode);
+ cur_mode++;
+ cur_ptr+=2;
+ } else {
+#ifdef DEBUG
+ printf("VBE mode %x (xres=%x / bpp=%02x) not supported \n", cur_info->mode,cur_info->info.XResolution,cur_info->info.BitsPerPixel);
+#endif
+ }
+ cur_info++;
+ } while (cur_info->mode != VBE_VESA_MODE_END_OF_LIST);
+
+ // Add vesa mode list terminator
+ write_word(ES, DI + cur_ptr, cur_info->mode);
+
+ result = 0x4f;
+
+ write_word(ss, AX, result);
+}
+
+
+/** Function 01h - Return VBE Mode Information
+ *
+ * Input:
+ * AX = 4F01h
+ * CX = Mode Number
+ * ES:DI = Pointer to buffer in which to place ModeInfoBlock structure
+ * Output:
+ * AX = VBE Return Status
+ *
+ */
+void vbe_biosfn_return_mode_information(AX, CX, ES, DI)
+Bit16u *AX;Bit16u CX; Bit16u ES;Bit16u DI;
+{
+ Bit16u result=0x0100;
+ Bit16u ss=get_SS();
+ ModeInfoBlock info;
+ ModeInfoListItem *cur_info;
+ Boolean using_lfb;
+ Bit16u lfb_addr;
+
+#ifdef DEBUG
+ printf("VBE vbe_biosfn_return_mode_information ES%x DI%x CX%x\n",ES,DI,CX);
+#endif
+
+ using_lfb=((CX & VBE_MODE_LINEAR_FRAME_BUFFER) == VBE_MODE_LINEAR_FRAME_BUFFER);
+
+ CX = (CX & 0x1ff);
+
+ cur_info = mode_info_find_mode(CX, using_lfb, &cur_info);
+
+ if (cur_info != 0)
+ {
+#ifdef DEBUG
+ printf("VBE found mode %x\n",CX);
+#endif
+ memsetb(ss, &info, 0, sizeof(ModeInfoBlock));
+ memcpyb(ss, &info, 0xc000, &(cur_info->info), sizeof(ModeInfoBlockCompact));
+ if (using_lfb) {
+ info.NumberOfBanks = 1;
+ }
+#ifdef PCI_VID
+ lfb_addr = pci_get_lfb_addr(PCI_VID);
+#else
+ lfb_addr = 0;
+#endif
+ if (lfb_addr > 0) {
+ info.PhysBasePtr = ((Bit32u)lfb_addr << 16);
+ }
+ if (info.WinAAttributes & VBE_WINDOW_ATTRIBUTE_RELOCATABLE) {
+ info.WinFuncPtr = 0xC0000000UL;
+ *(Bit16u *)&(info.WinFuncPtr) = (Bit16u)(dispi_set_bank_farcall);
+ }
+
+ result = 0x4f;
+ }
+ else
+ {
+#ifdef DEBUG
+ printf("VBE *NOT* found mode %x\n",CX);
+#endif
+ result = 0x100;
+ }
+
+ if (result == 0x4f)
+ {
+ // copy updates in mode_info_block back
+ memcpyb(ES, DI, ss, &info, sizeof(info));
+ }
+
+ write_word(ss, AX, result);
+}
+
+/** Function 02h - Set VBE Mode
+ *
+ * Input:
+ * AX = 4F02h
+ * BX = Desired Mode to set
+ * ES:DI = Pointer to CRTCInfoBlock structure
+ * Output:
+ * AX = VBE Return Status
+ *
+ */
+void vbe_biosfn_set_mode(AX, BX, ES, DI)
+Bit16u *AX;Bit16u BX; Bit16u ES;Bit16u DI;
+{
+ Bit16u ss = get_SS();
+ Bit16u result;
+ ModeInfoListItem *cur_info;
+ Boolean using_lfb;
+ Bit8u no_clear;
+ Bit8u lfb_flag;
+
+ using_lfb=((BX & VBE_MODE_LINEAR_FRAME_BUFFER) == VBE_MODE_LINEAR_FRAME_BUFFER);
+ lfb_flag=using_lfb?VBE_DISPI_LFB_ENABLED:0;
+ no_clear=((BX & VBE_MODE_PRESERVE_DISPLAY_MEMORY) == VBE_MODE_PRESERVE_DISPLAY_MEMORY)?VBE_DISPI_NOCLEARMEM:0;
+
+ BX = (BX & 0x1ff);
+
+ //result=read_word(ss,AX);
+
+ // check for non vesa mode
+ if (BX<VBE_MODE_VESA_DEFINED)
+ {
+ Bit8u mode;
+
+ dispi_set_enable(VBE_DISPI_DISABLED);
+ // call the vgabios in order to set the video mode
+ // this allows for going back to textmode with a VBE call (some applications expect that to work)
+
+ mode=(BX & 0xff);
+ biosfn_set_video_mode(mode);
+ result = 0x4f;
+ }
+
+ cur_info = mode_info_find_mode(BX, using_lfb, &cur_info);
+
+ if (cur_info != 0)
+ {
+#ifdef DEBUG
+ printf("VBE found mode %x, setting:\n", BX);
+ printf("\txres%x yres%x bpp%x\n",
+ cur_info->info.XResolution,
+ cur_info->info.YResolution,
+ cur_info->info.BitsPerPixel);
+#endif
+
+ // first disable current mode (when switching between vesa modi)
+ dispi_set_enable(VBE_DISPI_DISABLED);
+
+ if (cur_info->info.BitsPerPixel == 4)
+ {
+ biosfn_set_video_mode(0x6a);
+ }
+
+ dispi_set_bpp(cur_info->info.BitsPerPixel);
+ dispi_set_xres(cur_info->info.XResolution);
+ dispi_set_yres(cur_info->info.YResolution);
+ dispi_set_bank(0);
+ dispi_set_enable(VBE_DISPI_ENABLED | no_clear | lfb_flag);
+ vga_compat_setup();
+
+ write_word(BIOSMEM_SEG,BIOSMEM_VBE_MODE,BX);
+ write_byte(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL,(0x60 | no_clear));
+
+ result = 0x4f;
+ }
+ else
+ {
+#ifdef DEBUG
+ printf("VBE *NOT* found mode %x\n" , BX);
+#endif
+ result = 0x100;
+
+ // FIXME: redirect non VBE modi to normal VGA bios operation
+ // (switch back to VGA mode
+ if (BX == 3)
+ result = 0x4f;
+ }
+
+ write_word(ss, AX, result);
+}
+
+/** Function 03h - Return Current VBE Mode
+ *
+ * Input:
+ * AX = 4F03h
+ * Output:
+ * AX = VBE Return Status
+ * BX = Current VBE Mode
+ *
+ */
+ASM_START
+vbe_biosfn_return_current_mode:
+ push ds
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ call dispi_get_enable
+ and ax, # VBE_DISPI_ENABLED
+ jz no_vbe_mode
+ mov bx, # BIOSMEM_VBE_MODE
+ mov ax, [bx]
+ mov bx, ax
+ jnz vbe_03_ok
+no_vbe_mode:
+ mov bx, # BIOSMEM_CURRENT_MODE
+ mov al, [bx]
+ mov bl, al
+ xor bh, bh
+vbe_03_ok:
+ mov ax, #0x004f
+ pop ds
+ ret
+ASM_END
+
+
+Bit16u vbe_biosfn_read_video_state_size()
+{
+ return 9 * 2;
+}
+
+void vbe_biosfn_save_video_state(ES, BX)
+ Bit16u ES; Bit16u BX;
+{
+ Bit16u enable, i;
+
+ outw(VBE_DISPI_IOPORT_INDEX,VBE_DISPI_INDEX_ENABLE);
+ enable = inw(VBE_DISPI_IOPORT_DATA);
+ write_word(ES, BX, enable);
+ BX += 2;
+ if (!(enable & VBE_DISPI_ENABLED))
+ return;
+ for(i = VBE_DISPI_INDEX_XRES; i <= VBE_DISPI_INDEX_Y_OFFSET; i++) {
+ if (i != VBE_DISPI_INDEX_ENABLE) {
+ outw(VBE_DISPI_IOPORT_INDEX, i);
+ write_word(ES, BX, inw(VBE_DISPI_IOPORT_DATA));
+ BX += 2;
+ }
+ }
+}
+
+
+void vbe_biosfn_restore_video_state(ES, BX)
+ Bit16u ES; Bit16u BX;
+{
+ Bit16u enable, i;
+
+ enable = read_word(ES, BX);
+ BX += 2;
+
+ if (!(enable & VBE_DISPI_ENABLED)) {
+ outw(VBE_DISPI_IOPORT_INDEX,VBE_DISPI_INDEX_ENABLE);
+ outw(VBE_DISPI_IOPORT_DATA, enable);
+ } else {
+ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_XRES);
+ outw(VBE_DISPI_IOPORT_DATA, read_word(ES, BX));
+ BX += 2;
+ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_YRES);
+ outw(VBE_DISPI_IOPORT_DATA, read_word(ES, BX));
+ BX += 2;
+ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_BPP);
+ outw(VBE_DISPI_IOPORT_DATA, read_word(ES, BX));
+ BX += 2;
+ outw(VBE_DISPI_IOPORT_INDEX,VBE_DISPI_INDEX_ENABLE);
+ outw(VBE_DISPI_IOPORT_DATA, enable);
+
+ for(i = VBE_DISPI_INDEX_BANK; i <= VBE_DISPI_INDEX_Y_OFFSET; i++) {
+ outw(VBE_DISPI_IOPORT_INDEX, i);
+ outw(VBE_DISPI_IOPORT_DATA, read_word(ES, BX));
+ BX += 2;
+ }
+ }
+}
+
+/** Function 04h - Save/Restore State
+ *
+ * Input:
+ * AX = 4F04h
+ * DL = 00h Return Save/Restore State buffer size
+ * 01h Save State
+ * 02h Restore State
+ * CX = Requested states
+ * ES:BX = Pointer to buffer (if DL <> 00h)
+ * Output:
+ * AX = VBE Return Status
+ * BX = Number of 64-byte blocks to hold the state buffer (if DL=00h)
+ *
+ */
+void vbe_biosfn_save_restore_state(AX, CX, DX, ES, BX)
+Bit16u *AX; Bit16u CX; Bit16u DX; Bit16u ES; Bit16u *BX;
+{
+ Bit16u ss=get_SS();
+ Bit16u result, val;
+
+ result = 0x4f;
+ switch(GET_DL()) {
+ case 0x00:
+ val = biosfn_read_video_state_size2(CX);
+#ifdef DEBUG
+ printf("VGA state size=%x\n", val);
+#endif
+ if (CX & 8)
+ val += vbe_biosfn_read_video_state_size();
+ write_word(ss, BX, val);
+ break;
+ case 0x01:
+ val = read_word(ss, BX);
+ val = biosfn_save_video_state(CX, ES, val);
+#ifdef DEBUG
+ printf("VGA save_state offset=%x\n", val);
+#endif
+ if (CX & 8)
+ vbe_biosfn_save_video_state(ES, val);
+ break;
+ case 0x02:
+ val = read_word(ss, BX);
+ val = biosfn_restore_video_state(CX, ES, val);
+#ifdef DEBUG
+ printf("VGA restore_state offset=%x\n", val);
+#endif
+ if (CX & 8)
+ vbe_biosfn_restore_video_state(ES, val);
+ break;
+ default:
+ // function failed
+ result = 0x100;
+ break;
+ }
+ write_word(ss, AX, result);
+}
+
+/** Function 05h - Display Window Control
+ *
+ * Input:
+ * AX = 4F05h
+ * (16-bit) BH = 00h Set memory window
+ * = 01h Get memory window
+ * BL = Window number
+ * = 00h Window A
+ * = 01h Window B
+ * DX = Window number in video memory in window
+ * granularity units (Set Memory Window only)
+ * Note:
+ * If this function is called while in a linear frame buffer mode,
+ * this function must fail with completion code AH=03h
+ *
+ * Output:
+ * AX = VBE Return Status
+ * DX = Window number in window granularity units
+ * (Get Memory Window only)
+ */
+ASM_START
+vbe_biosfn_display_window_control:
+ cmp bl, #0x00
+ jne vbe_05_failed
+ cmp bh, #0x01
+ je get_display_window
+ jb set_display_window
+ mov ax, #0x0100
+ ret
+set_display_window:
+ mov ax, dx
+ call _dispi_set_bank
+ call dispi_get_bank
+ cmp ax, dx
+ jne vbe_05_failed
+ mov ax, #0x004f
+ ret
+get_display_window:
+ call dispi_get_bank
+ mov dx, ax
+ mov ax, #0x004f
+ ret
+vbe_05_failed:
+ mov ax, #0x014f
+ ret
+ASM_END
+
+
+/** Function 06h - Set/Get Logical Scan Line Length
+ *
+ * Input:
+ * AX = 4F06h
+ * BL = 00h Set Scan Line Length in Pixels
+ * = 01h Get Scan Line Length
+ * = 02h Set Scan Line Length in Bytes
+ * = 03h Get Maximum Scan Line Length
+ * CX = If BL=00h Desired Width in Pixels
+ * If BL=02h Desired Width in Bytes
+ * (Ignored for Get Functions)
+ *
+ * Output:
+ * AX = VBE Return Status
+ * BX = Bytes Per Scan Line
+ * CX = Actual Pixels Per Scan Line
+ * (truncated to nearest complete pixel)
+ * DX = Maximum Number of Scan Lines
+ */
+ASM_START
+vbe_biosfn_set_get_logical_scan_line_length:
+ mov ax, cx
+ cmp bl, #0x01
+ je get_logical_scan_line_length
+ cmp bl, #0x02
+ je set_logical_scan_line_bytes
+ jb set_logical_scan_line_pixels
+ mov ax, #0x0100
+ ret
+set_logical_scan_line_bytes:
+ push ax
+ call dispi_get_bpp
+ xor bh, bh
+ mov bl, ah
+ or bl, bl
+ jnz no_4bpp_1
+ shl ax, #3
+ mov bl, #1
+no_4bpp_1:
+ xor dx, dx
+ pop ax
+ div bx
+set_logical_scan_line_pixels:
+ call dispi_set_virt_width
+get_logical_scan_line_length:
+ call dispi_get_bpp
+ xor bh, bh
+ mov bl, ah
+ call dispi_get_virt_width
+ mov cx, ax
+ or bl, bl
+ jnz no_4bpp_2
+ shr ax, #3
+ mov bl, #1
+no_4bpp_2:
+ mul bx
+ mov bx, ax
+ call dispi_get_virt_height
+ mov dx, ax
+ mov ax, #0x004f
+ ret
+ASM_END
+
+
+/** Function 07h - Set/Get Display Start
+ *
+ * Input(16-bit):
+ * AX = 4F07h
+ * BH = 00h Reserved and must be 00h
+ * BL = 00h Set Display Start
+ * = 01h Get Display Start
+ * = 02h Schedule Display Start (Alternate)
+ * = 03h Schedule Stereoscopic Display Start
+ * = 04h Get Scheduled Display Start Status
+ * = 05h Enable Stereoscopic Mode
+ * = 06h Disable Stereoscopic Mode
+ * = 80h Set Display Start during Vertical Retrace
+ * = 82h Set Display Start during Vertical Retrace (Alternate)
+ * = 83h Set Stereoscopic Display Start during Vertical Retrace
+ * ECX = If BL=02h/82h Display Start Address in bytes
+ * If BL=03h/83h Left Image Start Address in bytes
+ * EDX = If BL=03h/83h Right Image Start Address in bytes
+ * CX = If BL=00h/80h First Displayed Pixel In Scan Line
+ * DX = If BL=00h/80h First Displayed Scan Line
+ *
+ * Output:
+ * AX = VBE Return Status
+ * BH = If BL=01h Reserved and will be 0
+ * CX = If BL=01h First Displayed Pixel In Scan Line
+ * If BL=04h 0 if flip has not occurred, not 0 if it has
+ * DX = If BL=01h First Displayed Scan Line
+ *
+ * Input(32-bit):
+ * BH = 00h Reserved and must be 00h
+ * BL = 00h Set Display Start
+ * = 80h Set Display Start during Vertical Retrace
+ * CX = Bits 0-15 of display start address
+ * DX = Bits 16-31 of display start address
+ * ES = Selector for memory mapped registers
+ */
+ASM_START
+vbe_biosfn_set_get_display_start:
+ cmp bl, #0x80
+ je set_display_start
+ cmp bl, #0x01
+ je get_display_start
+ jb set_display_start
+ mov ax, #0x0100
+ ret
+set_display_start:
+ mov ax, cx
+ call dispi_set_x_offset
+ mov ax, dx
+ call dispi_set_y_offset
+ mov ax, #0x004f
+ ret
+get_display_start:
+ call dispi_get_x_offset
+ mov cx, ax
+ call dispi_get_y_offset
+ mov dx, ax
+ xor bh, bh
+ mov ax, #0x004f
+ ret
+ASM_END
+
+
+/** Function 08h - Set/Get Dac Palette Format
+ *
+ * Input:
+ * AX = 4F08h
+ * BL = 00h set DAC palette width
+ * = 01h get DAC palette width
+ * BH = If BL=00h: desired number of bits per primary color
+ * Output:
+ * AX = VBE Return Status
+ * BH = current number of bits per primary color (06h = standard VGA)
+ */
+ASM_START
+vbe_biosfn_set_get_dac_palette_format:
+ cmp bl, #0x01
+ je get_dac_palette_format
+ jb set_dac_palette_format
+ mov ax, #0x0100
+ ret
+set_dac_palette_format:
+ call dispi_get_enable
+ cmp bh, #0x06
+ je set_normal_dac
+ cmp bh, #0x08
+ jne vbe_08_unsupported
+ or ax, # VBE_DISPI_8BIT_DAC
+ jnz set_dac_mode
+set_normal_dac:
+ and ax, #~ VBE_DISPI_8BIT_DAC
+set_dac_mode:
+ call _dispi_set_enable
+get_dac_palette_format:
+ mov bh, #0x06
+ call dispi_get_enable
+ and ax, # VBE_DISPI_8BIT_DAC
+ jz vbe_08_ok
+ mov bh, #0x08
+vbe_08_ok:
+ mov ax, #0x004f
+ ret
+vbe_08_unsupported:
+ mov ax, #0x014f
+ ret
+ASM_END
+
+
+/** Function 09h - Set/Get Palette Data
+ *
+ * Input:
+ * AX = 4F09h
+ * Output:
+ * AX = VBE Return Status
+ *
+ * FIXME: incomplete API description, Input & Output
+ */
+void vbe_biosfn_set_get_palette_data(AX)
+{
+}
+
+/** Function 0Ah - Return VBE Protected Mode Interface
+ * Input: AX = 4F0Ah VBE 2.0 Protected Mode Interface
+ * BL = 00h Return protected mode table
+ *
+ *
+ * Output: AX = Status
+ * ES = Real Mode Segment of Table
+ * DI = Offset of Table
+ * CX = Length of Table including protected mode code
+ * (for copying purposes)
+ */
+ASM_START
+vbe_biosfn_return_protected_mode_interface:
+ test bl, bl
+ jnz _fail
+ mov di, #0xc000
+ mov es, di
+ mov di, # vesa_pm_start
+ mov cx, # vesa_pm_end
+ sub cx, di
+ mov ax, #0x004f
+ ret
+_fail:
+ mov ax, #0x014f
+ ret
+ASM_END
diff --git a/roms/vgabios/vbe.h b/roms/vgabios/vbe.h
new file mode 100644
index 00000000..72cb0454
--- /dev/null
+++ b/roms/vgabios/vbe.h
@@ -0,0 +1,315 @@
+#ifndef vbe_h_included
+#define vbe_h_included
+
+#include "vgabios.h"
+
+// DISPI helper function
+void dispi_set_enable(enable);
+
+/** VBE int10 API
+ *
+ * See the function descriptions in vbe.c for more information
+ */
+Boolean vbe_has_vbe_display();
+void vbe_biosfn_return_controller_information(AX, ES, DI);
+void vbe_biosfn_return_mode_information(AX, CX, ES, DI);
+void vbe_biosfn_set_mode(AX, BX, ES, DI);
+void vbe_biosfn_save_restore_state(AX, CX, DX, ES, BX);
+void vbe_biosfn_set_get_palette_data(AX);
+void vbe_biosfn_return_protected_mode_interface(AX);
+
+// The official VBE Information Block
+typedef struct VbeInfoBlock
+{
+ Bit8u VbeSignature[4];
+ Bit16u VbeVersion;
+ Bit16u OemStringPtr_Off;
+ Bit16u OemStringPtr_Seg;
+ Bit8u Capabilities[4];
+ Bit16u VideoModePtr_Off;
+ Bit16u VideoModePtr_Seg;
+ Bit16u TotalMemory;
+ Bit16u OemSoftwareRev;
+ Bit16u OemVendorNamePtr_Off;
+ Bit16u OemVendorNamePtr_Seg;
+ Bit16u OemProductNamePtr_Off;
+ Bit16u OemProductNamePtr_Seg;
+ Bit16u OemProductRevPtr_Off;
+ Bit16u OemProductRevPtr_Seg;
+ Bit16u Reserved[111]; // used for dynamicly generated mode list
+ Bit8u OemData[256];
+} VbeInfoBlock;
+
+
+// This one is for compactly storing a static list of mode info blocks
+// this saves us 189 bytes per block
+typedef struct ModeInfoBlockCompact
+{
+// Mandatory information for all VBE revisions
+ Bit16u ModeAttributes;
+ Bit8u WinAAttributes;
+ Bit8u WinBAttributes;
+ Bit16u WinGranularity;
+ Bit16u WinSize;
+ Bit16u WinASegment;
+ Bit16u WinBSegment;
+ Bit32u WinFuncPtr;
+ Bit16u BytesPerScanLine;
+// Mandatory information for VBE 1.2 and above
+ Bit16u XResolution;
+ Bit16u YResolution;
+ Bit8u XCharSize;
+ Bit8u YCharSize;
+ Bit8u NumberOfPlanes;
+ Bit8u BitsPerPixel;
+ Bit8u NumberOfBanks;
+ Bit8u MemoryModel;
+ Bit8u BankSize;
+ Bit8u NumberOfImagePages;
+ Bit8u Reserved_page;
+// Direct Color fields (required for direct/6 and YUV/7 memory models)
+ Bit8u RedMaskSize;
+ Bit8u RedFieldPosition;
+ Bit8u GreenMaskSize;
+ Bit8u GreenFieldPosition;
+ Bit8u BlueMaskSize;
+ Bit8u BlueFieldPosition;
+ Bit8u RsvdMaskSize;
+ Bit8u RsvdFieldPosition;
+ Bit8u DirectColorModeInfo;
+// Mandatory information for VBE 2.0 and above
+ Bit32u PhysBasePtr;
+ Bit32u OffScreenMemOffset;
+ Bit16u OffScreenMemSize;
+// Mandatory information for VBE 3.0 and above
+ Bit16u LinBytesPerScanLine;
+ Bit8u BnkNumberOfPages;
+ Bit8u LinNumberOfPages;
+ Bit8u LinRedMaskSize;
+ Bit8u LinRedFieldPosition;
+ Bit8u LinGreenMaskSize;
+ Bit8u LinGreenFieldPosition;
+ Bit8u LinBlueMaskSize;
+ Bit8u LinBlueFieldPosition;
+ Bit8u LinRsvdMaskSize;
+ Bit8u LinRsvdFieldPosition;
+ Bit32u MaxPixelClock;
+// Bit8u Reserved[189]; // DO NOT PUT THIS IN HERE because of Compact Mode Info storage in bios
+} ModeInfoBlockCompact;
+
+typedef struct ModeInfoBlock
+{
+// Mandatory information for all VBE revisions
+ Bit16u ModeAttributes;
+ Bit8u WinAAttributes;
+ Bit8u WinBAttributes;
+ Bit16u WinGranularity;
+ Bit16u WinSize;
+ Bit16u WinASegment;
+ Bit16u WinBSegment;
+ Bit32u WinFuncPtr;
+ Bit16u BytesPerScanLine;
+// Mandatory information for VBE 1.2 and above
+ Bit16u XResolution;
+ Bit16u YResolution;
+ Bit8u XCharSize;
+ Bit8u YCharSize;
+ Bit8u NumberOfPlanes;
+ Bit8u BitsPerPixel;
+ Bit8u NumberOfBanks;
+ Bit8u MemoryModel;
+ Bit8u BankSize;
+ Bit8u NumberOfImagePages;
+ Bit8u Reserved_page;
+// Direct Color fields (required for direct/6 and YUV/7 memory models)
+ Bit8u RedMaskSize;
+ Bit8u RedFieldPosition;
+ Bit8u GreenMaskSize;
+ Bit8u GreenFieldPosition;
+ Bit8u BlueMaskSize;
+ Bit8u BlueFieldPosition;
+ Bit8u RsvdMaskSize;
+ Bit8u RsvdFieldPosition;
+ Bit8u DirectColorModeInfo;
+// Mandatory information for VBE 2.0 and above
+ Bit32u PhysBasePtr;
+ Bit32u OffScreenMemOffset;
+ Bit16u OffScreenMemSize;
+// Mandatory information for VBE 3.0 and above
+ Bit16u LinBytesPerScanLine;
+ Bit8u BnkNumberOfPages;
+ Bit8u LinNumberOfPages;
+ Bit8u LinRedMaskSize;
+ Bit8u LinRedFieldPosition;
+ Bit8u LinGreenMaskSize;
+ Bit8u LinGreenFieldPosition;
+ Bit8u LinBlueMaskSize;
+ Bit8u LinBlueFieldPosition;
+ Bit8u LinRsvdMaskSize;
+ Bit8u LinRsvdFieldPosition;
+ Bit32u MaxPixelClock;
+ Bit8u Reserved[189];
+} ModeInfoBlock;
+
+typedef struct ModeInfoListItem
+{
+ Bit16u mode;
+ ModeInfoBlockCompact info;
+} ModeInfoListItem;
+
+// VBE Return Status Info
+// AL
+#define VBE_RETURN_STATUS_SUPPORTED 0x4F
+#define VBE_RETURN_STATUS_UNSUPPORTED 0x00
+// AH
+#define VBE_RETURN_STATUS_SUCCESSFULL 0x00
+#define VBE_RETURN_STATUS_FAILED 0x01
+#define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
+#define VBE_RETURN_STATUS_INVALID 0x03
+
+// VBE Mode Numbers
+
+#define VBE_MODE_VESA_DEFINED 0x0100
+#define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
+#define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
+#define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
+
+// VBE GFX Mode Number
+
+#define VBE_VESA_MODE_640X400X8 0x100
+#define VBE_VESA_MODE_640X480X8 0x101
+#define VBE_VESA_MODE_800X600X4 0x102
+#define VBE_VESA_MODE_800X600X8 0x103
+#define VBE_VESA_MODE_1024X768X4 0x104
+#define VBE_VESA_MODE_1024X768X8 0x105
+#define VBE_VESA_MODE_1280X1024X4 0x106
+#define VBE_VESA_MODE_1280X1024X8 0x107
+#define VBE_VESA_MODE_320X200X1555 0x10D
+#define VBE_VESA_MODE_320X200X565 0x10E
+#define VBE_VESA_MODE_320X200X888 0x10F
+#define VBE_VESA_MODE_640X480X1555 0x110
+#define VBE_VESA_MODE_640X480X565 0x111
+#define VBE_VESA_MODE_640X480X888 0x112
+#define VBE_VESA_MODE_800X600X1555 0x113
+#define VBE_VESA_MODE_800X600X565 0x114
+#define VBE_VESA_MODE_800X600X888 0x115
+#define VBE_VESA_MODE_1024X768X1555 0x116
+#define VBE_VESA_MODE_1024X768X565 0x117
+#define VBE_VESA_MODE_1024X768X888 0x118
+#define VBE_VESA_MODE_1280X1024X1555 0x119
+#define VBE_VESA_MODE_1280X1024X565 0x11A
+#define VBE_VESA_MODE_1280X1024X888 0x11B
+#define VBE_VESA_MODE_1600X1200X8 0x11C
+#define VBE_VESA_MODE_1600X1200X1555 0x11D
+#define VBE_VESA_MODE_1600X1200X565 0x11E
+#define VBE_VESA_MODE_1600X1200X888 0x11F
+
+// BOCHS/PLEX86 'own' mode numbers
+#define VBE_OWN_MODE_320X200X8888 0x140
+#define VBE_OWN_MODE_640X400X8888 0x141
+#define VBE_OWN_MODE_640X480X8888 0x142
+#define VBE_OWN_MODE_800X600X8888 0x143
+#define VBE_OWN_MODE_1024X768X8888 0x144
+#define VBE_OWN_MODE_1280X1024X8888 0x145
+#define VBE_OWN_MODE_320X200X8 0x146
+#define VBE_OWN_MODE_1600X1200X8888 0x147
+#define VBE_OWN_MODE_1152X864X8 0x148
+#define VBE_OWN_MODE_1152X864X1555 0x149
+#define VBE_OWN_MODE_1152X864X565 0x14a
+#define VBE_OWN_MODE_1152X864X888 0x14b
+#define VBE_OWN_MODE_1152X864X8888 0x14c
+
+#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
+
+// Capabilities
+
+#define VBE_CAPABILITY_8BIT_DAC 0x0001
+#define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
+#define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
+#define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
+#define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
+
+// Mode Attributes
+
+#define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
+#define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
+#define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
+#define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
+#define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
+#define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
+#define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
+#define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
+#define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
+#define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
+#define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
+#define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
+#define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
+
+#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
+
+// Window attributes
+
+#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
+#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
+#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
+
+// Memory model
+
+#define VBE_MEMORYMODEL_TEXT_MODE 0x00
+#define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
+#define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
+#define VBE_MEMORYMODEL_PLANAR 0x03
+#define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
+#define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
+#define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
+#define VBE_MEMORYMODEL_YUV 0x07
+
+// DirectColorModeInfo
+
+#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
+#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
+
+// GUEST <-> HOST Communication API
+
+// FIXME: either dynamicly ask host for this or put somewhere high in physical memory
+// like 0xE0000000
+
+
+ #define VBE_DISPI_BANK_ADDRESS 0xA0000
+ #define VBE_DISPI_BANK_SIZE_KB 64
+
+ #define VBE_DISPI_MAX_XRES 2560
+ #define VBE_DISPI_MAX_YRES 1600
+
+ #define VBE_DISPI_IOPORT_INDEX 0x01CE
+ #define VBE_DISPI_IOPORT_DATA 0x01CF
+
+ #define VBE_DISPI_INDEX_ID 0x0
+ #define VBE_DISPI_INDEX_XRES 0x1
+ #define VBE_DISPI_INDEX_YRES 0x2
+ #define VBE_DISPI_INDEX_BPP 0x3
+ #define VBE_DISPI_INDEX_ENABLE 0x4
+ #define VBE_DISPI_INDEX_BANK 0x5
+ #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
+ #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
+ #define VBE_DISPI_INDEX_X_OFFSET 0x8
+ #define VBE_DISPI_INDEX_Y_OFFSET 0x9
+ #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
+
+ #define VBE_DISPI_ID0 0xB0C0
+ #define VBE_DISPI_ID1 0xB0C1
+ #define VBE_DISPI_ID2 0xB0C2
+ #define VBE_DISPI_ID3 0xB0C3
+ #define VBE_DISPI_ID4 0xB0C4
+ #define VBE_DISPI_ID5 0xB0C5
+
+ #define VBE_DISPI_DISABLED 0x00
+ #define VBE_DISPI_ENABLED 0x01
+ #define VBE_DISPI_GETCAPS 0x02
+ #define VBE_DISPI_8BIT_DAC 0x20
+ #define VBE_DISPI_LFB_ENABLED 0x40
+ #define VBE_DISPI_NOCLEARMEM 0x80
+
+ #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
+
+#endif
diff --git a/roms/vgabios/vbe_display_api.txt b/roms/vgabios/vbe_display_api.txt
new file mode 100644
index 00000000..fddb78b4
--- /dev/null
+++ b/roms/vgabios/vbe_display_api.txt
@@ -0,0 +1,237 @@
+VBE Display API
+-------------------------------------------------------------------------------------------------------------
+ This document is part of the Bochs/VBEBios documentation,
+ it specifies the bochs host <-> vbebios client communication.
+
+ That means, the display code implementation and the vbebios code depend
+ very heavily on each other. As such, this documents needs be synchronised
+ between bochs CVS and the vgabios CVS.
+
+ This document does not describe how the VBEBios implements the VBE2/3 spec.
+ This document does not describe how the Bochs display code will display gfx based upon this spec.
+
+
+API History
+-----------
+0xb0c0 supports the following VBE_DISPI_ interfaces (present in Bochs 1.4):
+ VBE_DISPI_INDEX_ID
+ VBE_DISPI_INDEX_XRES
+ VBE_DISPI_INDEX_YRES
+ VBE_DISPI_INDEX_BPP
+ VBE_DISPI_INDEX_ENABLE
+ VBE_DISPI_INDEX_BANK
+
+ Bpp format supported is:
+ VBE_DISPI_BPP_8
+
+0xb0c1 supports 0xb0c0 VBE_DISPI_ interfaces, additional interfaces (present in Bochs 2.0):
+ VBE_DISPI_INDEX_VIRT_WIDTH
+ VBE_DISPI_INDEX_VIRT_HEIGHT
+ VBE_DISPI_INDEX_X_OFFSET
+ VBE_DISPI_INDEX_Y_OFFSET
+
+0xb0c2 supports 0xb0c1 VBE_DISPI_ interfaces, interfaces updated for
+ additional features (present in Bochs 2.1):
+ VBE_DISPI_INDEX_BPP supports >8bpp color depth (value = bits)
+ VBE_DISPI_INDEX_ENABLE supports new flags VBE_DISPI_NOCLEARMEM and VBE_DISPI_LFB_ENABLED
+ VBE i/o registers changed from 0xFF80/81 to 0x01CE/CF
+
+0xb0c3 supports 0xb0c2 VBE_DISPI_ interfaces, interfaces updated for
+ additional features:
+ VBE_DISPI_INDEX_ENABLE supports new flags VBE_DISPI_GETCAPS and VBE_DISPI_8BIT_DAC
+
+0xb0c4 VBE video memory increased to 8 MB
+
+
+History
+-------
+ Version 0.6 2002 Nov 23 Jeroen Janssen
+ - Added LFB support
+ - Added Virt width, height and x,y offset
+
+ Version 0.5 2002 March 08 Jeroen Janssen
+ - Added documentation about panic behaviour / current limits of the data values.
+ - Changed BPP API (in order to include future (A)RGB formats)
+ - Initial version (based upon extended display text of the vbe bochs display patch)
+
+
+Todo
+----
+ Version 0.6+ [random order]
+ - Add lots of different (A)RGB formats
+
+References
+----------
+ [VBE3] VBE 3 Specification at
+ http://www.vesa.org/vbe3.pdf
+
+ [BOCHS] Bochs Open Source IA-32 Emulator at
+ http://bochs.sourceforge.net
+
+ [VBEBIOS] VBE Bios for Bochs at
+ http://savannah.gnu.org/projects/vgabios/
+
+ [Screenshots] Screenshots of programs using the VBE Bios at
+ http://japj.org/projects/bochs_plex86/screenshots.html
+
+Abbreviations
+-------------
+ VBE Vesa Bios Extension
+ DISPI (Bochs) Display Interface
+ BPP Bits Per Pixel
+ LFB Linear Frame Buffer
+
+
+#defines
+--------
+vbetables-gen.c
+ #define VBE_DISPI_TOTAL_VIDEO_MEMORY_MB 8
+
+vbe.h
+ #define VBE_DISPI_BANK_ADDRESS 0xA0000
+ #define VBE_DISPI_BANK_SIZE_KB 64
+
+ #define VBE_DISPI_MAX_XRES 1024
+ #define VBE_DISPI_MAX_YRES 768
+
+ #define VBE_DISPI_IOPORT_INDEX 0x01CE
+ #define VBE_DISPI_IOPORT_DATA 0x01CF
+
+ #define VBE_DISPI_INDEX_ID 0x0
+ #define VBE_DISPI_INDEX_XRES 0x1
+ #define VBE_DISPI_INDEX_YRES 0x2
+ #define VBE_DISPI_INDEX_BPP 0x3
+ #define VBE_DISPI_INDEX_ENABLE 0x4
+ #define VBE_DISPI_INDEX_BANK 0x5
+ #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
+ #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
+ #define VBE_DISPI_INDEX_X_OFFSET 0x8
+ #define VBE_DISPI_INDEX_Y_OFFSET 0x9
+
+ #define VBE_DISPI_ID0 0xB0C0
+ #define VBE_DISPI_ID1 0xB0C1
+ #define VBE_DISPI_ID2 0xB0C2
+ #define VBE_DISPI_ID3 0xB0C3
+ #define VBE_DISPI_ID4 0xB0C4
+
+ #define VBE_DISPI_DISABLED 0x00
+ #define VBE_DISPI_ENABLED 0x01
+ #define VBE_DISPI_VBE_ENABLED 0x40
+ #define VBE_DISPI_NOCLEARMEM 0x80
+
+ #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
+
+API
+---
+ The display api works by using a index (VBE_DISPI_IOPORT_INDEX) and
+ data (VBE_DISPI_IOPORT_DATA) ioport. One writes the index of the parameter to the index port.
+ Next, the parameter value can be read or written.
+
+[0xb0c0]
+ * VBE_DISPI_INDEX_ID : WORD {R,W}
+ This parameter can be used to detect the current display API (both bochs & vbebios).
+ The bios writes VBE_DISPI_ID0 to the dataport and reads it back again.
+ This way, the display code knows the vbebios 'ID' and the vbebios can check if the correct
+ display code is present.
+ As a result, a PANIC can be generated if an incompatible vbebios/display code combination is detected.
+ This panic can be generated from the bochs display code (NOT the bios, see Notes).
+
+ Example values: VBE_DISPI_ID0
+
+ * VBE_DISPI_INDEX_XRES : WORD {R,W}
+ This parameter can be used to read/write the vbe display X resolution (in pixels).
+ It's illegal to set the XRES when the VBE is enabled (display code should generate PANIC).
+
+ If the value written exceeds VBE_DISPI_MAX_XRES, the display code needs to generate a PANIC.
+
+ Example values: 320,640,800,1024
+
+ * VBE_DISPI_INDEX_YRES : WORD {R,W}
+ This parameter can be used to read/write the vbe display Y resolution (in pixels).
+ It's illegal to set the YRES when the VBE is enabled (display code should generate PANIC).
+
+ If the value written exceeds VBE_DISPI_MAX_YRES, the display code needs to generate a PANIC.
+
+ Example values: 200,400,480,600,768
+
+ * VBE_DISPI_INDEX_BPP : WORD {R,W}
+ This parameter can be used to read/write the vbe display BPP.
+ It's illegal to set the BPP when the VBE is enabled (display code should generate PANIC).
+
+ If the value written is an incompatible BPP, the display code needs to generate a PANIC.
+
+ Example values: VBE_DISPI_BPP_8
+
+ * VBE_DISPI_INDEX_ENABLE : WORD {R,W}
+ This parameter can be used to read/write the vbe ENABLED state.
+ If the bios writes VBE_DISPI_ENABLED then the display code will setup a hostside display mode
+ with the current XRES, YRES and BPP settings.
+ If the bios write VBE_DISPI_DISABLED then the display code will switch back to normal vga mode behaviour.
+
+ Example values: VBE_DISPI_ENABLED, VBE_DISPI_DISABLED
+
+ * VBE_DISPI_INDEX_BANK : WORD {R,W}
+ This parameter can be used to read/write the current selected BANK (at 0xA0000).
+ This can be used for switching banks in banked mode.
+
+[0xb0c1]
+ * VBE_DISPI_INDEX_VIRT_WIDTH : WORD {R,W}
+ This parameter can be used to read/write the current virtual width.
+ Upon enabling a mode, this will be set to the current xres
+ Setting this field during enabled mode will result in the virtual width to be changed.
+ Value will be adjusted if current setting is not possible.
+
+ * VBE_DISPI_INDEX_VIRT_HEIGHT : WORD {R}
+ This parameter can be read in order to obtain the current virtual height.
+ This setting will be adjusted after setting a virtual width in order to stay within limit of video memory.
+
+ * VBE_DISPI_INDEX_X_OFFSET : WORD {R,W}
+ The current X offset (in pixels!) of the visible screen part.
+ Writing a new offset will also result in a complete screen refresh.
+
+ * VBE_DISPI_INDEX_Y_OFFSET : WORD {R,W}
+ The current Y offset (in pixels!) of the visible screen part.
+ Writing a new offset will also result in a complete screen refresh.
+
+
+[0xb0c2]
+ * VBE_DISPI_INDEX_BPP : WORD {R,W}
+ The value written is now the number of bits per pixel. A value of 0 is treated
+ the same as 8 for backward compatibilty. These values are supported: 8, 15,
+ 16, 24 and 32. The value of 4 is not yet handled in the VBE code.
+ * VBE_DISPI_INDEX_ENABLE : WORD {R,W}
+ The new flag VBE_DISPI_NOCLEARMEM allows to preserve the VBE video memory.
+ The new flag VBE_DISPI_LFB_ENABLED indicates the usage of the LFB.
+
+[0xb0c3]
+ * VBE_DISPI_INDEX_ENABLE : WORD {R,W}
+ If the new flag VBE_DISPI_GETCAPS is enabled, the xres, yres and bpp registers
+ return the gui capabilities.
+ The new flag VBE_DISPI_8BIT_DAC switches the DAC to 8 bit mode.
+
+[0xb0c4]
+ * VBE_DISPI_TOTAL_VIDEO_MEMORY_MB set to 8 (moved to auto-generated vbetables.h)
+
+Displaying GFX (banked mode)
+--------------
+ What happens is that the total screen is devided in banks of 'VBE_DISPI_BANK_SIZE_KB' KiloByte in size.
+ If you want to set a pixel you can calculate its bank by doing:
+
+ offset = pixel_x + pixel_y * resolution_x;
+ bank = offset / 64 Kb (rounded 1.9999 -> 1)
+
+ bank_pixel_pos = offset - bank * 64Kb
+
+ Now you can set the current bank and put the pixel at VBE_DISPI_BANK_ADDRESS + bank_pixel_pos
+
+Displaying GFX (linear frame buffer mode)
+--------------
+ NOT WRITTEN YET
+
+Notes
+-----
+ * Since the XRES/YRES/BPP may not be written when VBE is enabled, if you want to switch from one VBE mode
+ to another, you will need to disable VBE first.
+
+ * Note when the bios doesn't find a valid DISPI_ID, it can disable the VBE functions. This allows people to
+ use the same bios for both vbe enabled and disabled bochs executables.
diff --git a/roms/vgabios/vbetables-gen.c b/roms/vgabios/vbetables-gen.c
new file mode 100644
index 00000000..550935a7
--- /dev/null
+++ b/roms/vgabios/vbetables-gen.c
@@ -0,0 +1,261 @@
+/* Generate the VGABIOS VBE Tables */
+#include <stdlib.h>
+#include <stdio.h>
+
+#define VBE_DISPI_TOTAL_VIDEO_MEMORY_MB 16
+
+typedef struct {
+ int width;
+ int height;
+ int depth;
+ int mode;
+} ModeInfo;
+
+ModeInfo modes[] = {
+ /* standard VESA modes */
+{ 640, 400, 8 , 0x100},
+{ 640, 480, 8 , 0x101},
+{ 800, 600, 4 , 0x102},
+{ 800, 600, 8 , 0x103},
+{ 1024, 768, 4 , 0x104},
+{ 1024, 768, 8 , 0x105},
+{ 1280, 1024, 4 , 0x106},
+{ 1280, 1024, 8 , 0x107},
+{ 320, 200, 15 , 0x10D},
+{ 320, 200, 16 , 0x10E},
+{ 320, 200, 24 , 0x10F},
+{ 640, 480, 15 , 0x110},
+{ 640, 480, 16 , 0x111},
+{ 640, 480, 24 , 0x112},
+{ 800, 600, 15 , 0x113},
+{ 800, 600, 16 , 0x114},
+{ 800, 600, 24 , 0x115},
+{ 1024, 768, 15 , 0x116},
+{ 1024, 768, 16 , 0x117},
+{ 1024, 768, 24 , 0x118},
+{ 1280, 1024, 15 , 0x119},
+{ 1280, 1024, 16 , 0x11A},
+{ 1280, 1024, 24 , 0x11B},
+{ 1600, 1200, 8 , 0x11C},
+{ 1600, 1200, 15 , 0x11D},
+{ 1600, 1200, 16 , 0x11E},
+{ 1600, 1200, 24 , 0x11F},
+
+ /* BOCHS/PLEX86 'own' mode numbers */
+{ 320, 200, 32 , 0x140},
+{ 640, 400, 32 , 0x141},
+{ 640, 480, 32 , 0x142},
+{ 800, 600, 32 , 0x143},
+{ 1024, 768, 32 , 0x144},
+{ 1280, 1024, 32 , 0x145},
+{ 320, 200, 8 , 0x146},
+{ 1600, 1200, 32 , 0x147},
+{ 1152, 864, 8 , 0x148},
+{ 1152, 864, 15 , 0x149},
+{ 1152, 864, 16 , 0x14a},
+{ 1152, 864, 24 , 0x14b},
+{ 1152, 864, 32 , 0x14c},
+{ 1280, 800, 16 , 0x178},
+{ 1280, 800, 24 , 0x179},
+{ 1280, 800, 32 , 0x17a},
+{ 1280, 960, 16 , 0x17b},
+{ 1280, 960, 24 , 0x17c},
+{ 1280, 960, 32 , 0x17d},
+{ 1440, 900, 16 , 0x17e},
+{ 1440, 900, 24 , 0x17f},
+{ 1440, 900, 32 , 0x180},
+{ 1400, 1050, 16 , 0x181},
+{ 1400, 1050, 24 , 0x182},
+{ 1400, 1050, 32 , 0x183},
+{ 1680, 1050, 16 , 0x184},
+{ 1680, 1050, 24 , 0x185},
+{ 1680, 1050, 32 , 0x186},
+{ 1920, 1200, 16 , 0x187},
+{ 1920, 1200, 24 , 0x188},
+{ 1920, 1200, 32 , 0x189},
+{ 2560, 1600, 16 , 0x18a},
+{ 2560, 1600, 24 , 0x18b},
+{ 2560, 1600, 32 , 0x18c},
+{ 0, },
+};
+
+int main(int argc, char **argv)
+{
+ const ModeInfo *pm;
+ int pages, pitch;
+ int r_size, r_pos, g_size, g_pos, b_size, b_pos, a_size, a_pos;
+ const char *str;
+ long vram_size = VBE_DISPI_TOTAL_VIDEO_MEMORY_MB * 1024 * 1024;
+
+ printf("/* THIS FILE IS AUTOMATICALLY GENERATED - DO NOT EDIT */\n\n");
+ printf("#define VBE_DISPI_TOTAL_VIDEO_MEMORY_MB %d\n\n", VBE_DISPI_TOTAL_VIDEO_MEMORY_MB);
+ printf("static ModeInfoListItem mode_info_list[]=\n");
+ printf("{\n");
+ for (pm = modes; pm->mode != 0; pm++) {
+ if (pm->depth == 4)
+ pitch = (pm->width + 7) / 8;
+ else
+ pitch = pm->width * ((pm->depth + 7) / 8);
+ pages = vram_size / (pm->height * pitch);
+ if (pages > 0) {
+ printf("{ 0x%04x, /* %dx%dx%d */\n",
+ pm->mode, pm->width, pm->height, pm->depth);
+ if (pm->depth == 4)
+ printf("{ /*Bit16u ModeAttributes*/ %s,\n",
+ "VBE_MODE_ATTRIBUTE_SUPPORTED | "
+ "VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE | "
+ "VBE_MODE_ATTRIBUTE_COLOR_MODE | "
+ "VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT | "
+ "VBE_MODE_ATTRIBUTE_GRAPHICS_MODE");
+ else
+ printf("{ /*Bit16u ModeAttributes*/ %s,\n",
+ "VBE_MODE_ATTRIBUTE_SUPPORTED | "
+ "VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE | "
+ "VBE_MODE_ATTRIBUTE_COLOR_MODE | "
+ "VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE | "
+ "VBE_MODE_ATTRIBUTE_GRAPHICS_MODE");
+ printf("/*Bit8u WinAAttributes*/ %s,\n",
+ "VBE_WINDOW_ATTRIBUTE_RELOCATABLE | "
+ "VBE_WINDOW_ATTRIBUTE_READABLE | "
+ "VBE_WINDOW_ATTRIBUTE_WRITEABLE");
+
+ printf("/*Bit8u WinBAttributes*/ %d,\n", 0);
+
+ printf("/*Bit16u WinGranularity*/ %s,\n", "VBE_DISPI_BANK_SIZE_KB");
+
+ printf("/*Bit16u WinSize*/ %s,\n", "VBE_DISPI_BANK_SIZE_KB");
+
+ printf("/*Bit16u WinASegment*/ %s,\n", "VGAMEM_GRAPH");
+
+ printf("/*Bit16u WinBSegment*/ 0x%04x,\n", 0);
+
+ printf("/*Bit32u WinFuncPtr*/ %d,\n", 0);
+
+ printf("/*Bit16u BytesPerScanLine*/ %d,\n", pitch);
+
+ // Mandatory information for VBE 1.2 and above
+ printf("/*Bit16u XResolution*/ %d,\n", pm->width);
+ printf("/*Bit16u YResolution*/ %d,\n", pm->height);
+ printf("/*Bit8u XCharSize*/ %d,\n", 8);
+ printf("/*Bit8u YCharSize*/ %d,\n", 16);
+ if (pm->depth == 4) {
+ printf("/*Bit8u NumberOfPlanes*/ %d,\n", 4);
+ } else {
+ printf("/*Bit8u NumberOfPlanes*/ %d,\n", 1);
+ }
+ printf("/*Bit8u BitsPerPixel*/ %d,\n", pm->depth);
+ printf("/*Bit8u NumberOfBanks*/ %d,\n",
+ (pm->height * pitch + 65535) / 65536);
+
+ if (pm->depth == 4)
+ str = "VBE_MEMORYMODEL_PLANAR";
+ else if (pm->depth == 8)
+ str = "VBE_MEMORYMODEL_PACKED_PIXEL";
+ else
+ str = "VBE_MEMORYMODEL_DIRECT_COLOR";
+ printf("/*Bit8u MemoryModel*/ %s,\n", str);
+ printf("/*Bit8u BankSize*/ %d,\n", 0);
+ if (pm->depth == 4)
+ printf("/*Bit8u NumberOfImagePages*/ %d,\n", (pages / 4) - 1);
+ else
+ printf("/*Bit8u NumberOfImagePages*/ %d,\n", pages - 1);
+ printf("/*Bit8u Reserved_page*/ %d,\n", 0);
+
+ // Direct Color fields (required for direct/6 and YUV/7 memory models)
+ switch(pm->depth) {
+ case 15:
+ r_size = 5;
+ r_pos = 10;
+ g_size = 5;
+ g_pos = 5;
+ b_size = 5;
+ b_pos = 0;
+ a_size = 1;
+ a_pos = 15;
+ break;
+ case 16:
+ r_size = 5;
+ r_pos = 11;
+ g_size = 6;
+ g_pos = 5;
+ b_size = 5;
+ b_pos = 0;
+ a_size = 0;
+ a_pos = 0;
+ break;
+ case 24:
+ r_size = 8;
+ r_pos = 16;
+ g_size = 8;
+ g_pos = 8;
+ b_size = 8;
+ b_pos = 0;
+ a_size = 0;
+ a_pos = 0;
+ break;
+ case 32:
+ r_size = 8;
+ r_pos = 16;
+ g_size = 8;
+ g_pos = 8;
+ b_size = 8;
+ b_pos = 0;
+ a_size = 8;
+ a_pos = 24;
+ break;
+ default:
+ r_size = 0;
+ r_pos = 0;
+ g_size = 0;
+ g_pos = 0;
+ b_size = 0;
+ b_pos = 0;
+ a_size = 0;
+ a_pos = 0;
+ break;
+ }
+
+ printf("/*Bit8u RedMaskSize*/ %d,\n", r_size);
+ printf("/*Bit8u RedFieldPosition*/ %d,\n", r_pos);
+ printf("/*Bit8u GreenMaskSize*/ %d,\n", g_size);
+ printf("/*Bit8u GreenFieldPosition*/ %d,\n", g_pos);
+ printf("/*Bit8u BlueMaskSize*/ %d,\n", b_size);
+ printf("/*Bit8u BlueFieldPosition*/ %d,\n", b_pos);
+ printf("/*Bit8u RsvdMaskSize*/ %d,\n", a_size);
+ printf("/*Bit8u RsvdFieldPosition*/ %d,\n", a_pos);
+ if (pm->depth == 32)
+ printf("/*Bit8u DirectColorModeInfo*/ %s,\n",
+ "VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE");
+ else
+ printf("/*Bit8u DirectColorModeInfo*/ %s,\n", "0");
+
+// Mandatory information for VBE 2.0 and above
+ if (pm->depth > 4)
+ printf("/*Bit32u PhysBasePtr*/ %s,\n",
+ "VBE_DISPI_LFB_PHYSICAL_ADDRESS");
+ else
+ printf("/*Bit32u PhysBasePtr*/ %s,\n", "0");
+ printf("/*Bit32u OffScreenMemOffset*/ %d,\n", 0);
+ printf("/*Bit16u OffScreenMemSize*/ %d,\n", 0);
+ // Mandatory information for VBE 3.0 and above
+ printf("/*Bit16u LinBytesPerScanLine*/ %d,\n", pitch);
+ printf("/*Bit8u BnkNumberOfPages*/ %d,\n", 0);
+ printf("/*Bit8u LinNumberOfPages*/ %d,\n", 0);
+ printf("/*Bit8u LinRedMaskSize*/ %d,\n", r_size);
+ printf("/*Bit8u LinRedFieldPosition*/ %d,\n", r_pos);
+ printf("/*Bit8u LinGreenMaskSize*/ %d,\n", g_size);
+ printf("/*Bit8u LinGreenFieldPosition*/ %d,\n", g_pos);
+ printf("/*Bit8u LinBlueMaskSize*/ %d,\n", b_size);
+ printf("/*Bit8u LinBlueFieldPosition*/ %d,\n", b_pos);
+ printf("/*Bit8u LinRsvdMaskSize*/ %d,\n", a_size);
+ printf("/*Bit8u LinRsvdFieldPosition*/ %d,\n", a_pos);
+ printf("/*Bit32u MaxPixelClock*/ %d,\n", 0);
+ printf("} },\n");
+ }
+ }
+ printf("{ VBE_VESA_MODE_END_OF_LIST,\n");
+ printf("{ 0,\n");
+ printf("} },\n");
+ printf("};\n");
+ return 0;
+}
diff --git a/roms/vgabios/vgabios.c b/roms/vgabios/vgabios.c
new file mode 100644
index 00000000..c1e312b3
--- /dev/null
+++ b/roms/vgabios/vgabios.c
@@ -0,0 +1,3923 @@
+// ============================================================================================
+/*
+ * vgabios.c
+ */
+// ============================================================================================
+//
+// Copyright (C) 2001-2008 the LGPL VGABios developers Team
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// ============================================================================================
+//
+// This VGA Bios is specific to the plex86/bochs Emulated VGA card.
+// You can NOT drive any physical vga card with it.
+//
+// ============================================================================================
+//
+// This file contains code ripped from :
+// - rombios.c of plex86
+//
+// This VGA Bios contains fonts from :
+// - fntcol16.zip (c) by Joseph Gil avalable at :
+// ftp://ftp.simtel.net/pub/simtelnet/msdos/screen/fntcol16.zip
+// These fonts are public domain
+//
+// This VGA Bios is based on information taken from :
+// - Kevin Lawton's vga card emulation for bochs/plex86
+// - Ralf Brown's interrupts list available at http://www.cs.cmu.edu/afs/cs/user/ralf/pub/WWW/files.html
+// - Finn Thogersons' VGADOC4b available at http://home.worldonline.dk/~finth/
+// - Michael Abrash's Graphics Programming Black Book
+// - Francois Gervais' book "programmation des cartes graphiques cga-ega-vga" edited by sybex
+// - DOSEMU 1.0.1 source code for several tables values and formulas
+//
+// Thanks for patches, comments and ideas to :
+// - techt@pikeonline.net
+//
+// ============================================================================================
+
+#include "vgabios.h"
+
+#ifdef VBE
+#include "vbe.h"
+#endif
+
+#define USE_BX_INFO
+
+/* Declares */
+static Bit8u read_byte();
+static Bit16u read_word();
+static void write_byte();
+static void write_word();
+static Bit8u inb();
+static Bit16u inw();
+static void outb();
+static void outw();
+
+static Bit16u get_SS();
+
+// Output
+static void printf();
+static void unimplemented();
+static void unknown();
+
+static Bit8u find_vga_entry();
+
+static void memsetb();
+static void memsetw();
+static void memcpyb();
+static void memcpyw();
+
+static void biosfn_set_video_mode();
+static void biosfn_set_cursor_shape();
+static void biosfn_set_cursor_pos();
+static void biosfn_get_cursor_pos();
+static void biosfn_set_active_page();
+static void biosfn_scroll();
+static void biosfn_read_char_attr();
+static void biosfn_write_char_attr();
+static void biosfn_write_char_only();
+static void biosfn_write_pixel();
+static void biosfn_read_pixel();
+static void biosfn_write_teletype();
+static void biosfn_perform_gray_scale_summing();
+static void biosfn_load_text_user_pat();
+static void biosfn_load_text_8_14_pat();
+static void biosfn_load_text_8_8_pat();
+static void biosfn_load_text_8_16_pat();
+static void biosfn_load_gfx_8_8_chars();
+static void biosfn_load_gfx_user_chars();
+static void biosfn_load_gfx_8_14_chars();
+static void biosfn_load_gfx_8_8_dd_chars();
+static void biosfn_load_gfx_8_16_chars();
+static void biosfn_get_font_info();
+static void biosfn_alternate_prtsc();
+static void biosfn_switch_video_interface();
+static void biosfn_enable_video_refresh_control();
+static void biosfn_write_string();
+static void biosfn_read_state_info();
+static void biosfn_read_video_state_size();
+static Bit16u biosfn_save_video_state();
+static Bit16u biosfn_restore_video_state();
+extern Bit8u video_save_pointer_table[];
+
+// This is for compiling with gcc2 and gcc3
+#define ASM_START #asm
+#define ASM_END #endasm
+
+ASM_START
+
+MACRO SET_INT_VECTOR
+ push ds
+ xor ax, ax
+ mov ds, ax
+ mov ax, ?3
+ mov ?1*4, ax
+ mov ax, ?2
+ mov ?1*4+2, ax
+ pop ds
+MEND
+
+ASM_END
+
+ASM_START
+.text
+.rom
+.org 0
+
+use16 386
+
+vgabios_start:
+.byte 0x55, 0xaa /* BIOS signature, required for BIOS extensions */
+
+.byte 0x40 /* BIOS extension length in units of 512 bytes */
+
+
+vgabios_entry_point:
+
+ jmp vgabios_init_func
+
+#ifdef PCIBIOS
+.org 0x18
+.word vgabios_pci_data
+#endif
+
+// Info from Bart Oldeman
+.org 0x1e
+.ascii "IBM"
+.byte 0x00
+
+vgabios_name:
+.ascii "Plex86/Bochs VGABios"
+#ifdef PCIBIOS
+.ascii " (PCI)"
+#endif
+.ascii " "
+.byte 0x00
+
+vgabios_version:
+#ifndef VGABIOS_VERS
+.ascii "current-cvs"
+#else
+.ascii VGABIOS_VERS
+#endif
+.ascii " "
+
+vgabios_date:
+.ascii VGABIOS_DATE
+.byte 0x0a,0x0d
+.byte 0x00
+
+vgabios_copyright:
+.ascii "(C) 2008 the LGPL VGABios developers Team"
+.byte 0x0a,0x0d
+.byte 0x00
+
+vgabios_license:
+.ascii "This VGA/VBE Bios is released under the GNU LGPL"
+.byte 0x0a,0x0d
+.byte 0x0a,0x0d
+.byte 0x00
+
+vgabios_website:
+.ascii "Please visit :"
+.byte 0x0a,0x0d
+;;.ascii " . http://www.plex86.org"
+;;.byte 0x0a,0x0d
+.ascii " . http://bochs.sourceforge.net"
+.byte 0x0a,0x0d
+.ascii " . http://www.nongnu.org/vgabios"
+.byte 0x0a,0x0d
+.byte 0x0a,0x0d
+.byte 0x00
+
+#ifdef PCIBIOS
+vgabios_pci_data:
+.ascii "PCIR"
+#ifdef CIRRUS
+.word 0x1013
+.word 0x00b8 // CLGD5446
+#else
+#ifdef PCI_VID
+.word PCI_VID
+.word PCI_DID
+#else
+#error "Unknown PCI vendor and device id"
+#endif
+#endif
+.word 0 // reserved
+.word 0x18 // dlen
+.byte 0 // revision
+.byte 0x0 // class,hi: vga display
+.word 0x300 // class,lo: vga display
+.word 0x40 // bios size
+.word 1 // revision
+.byte 0 // intel x86 data
+.byte 0x80 // last image
+.word 0 // reserved
+#endif
+
+
+;; ============================================================================================
+;;
+;; Init Entry point
+;;
+;; ============================================================================================
+vgabios_init_func:
+
+;; init vga card
+ call init_vga_card
+
+;; init basic bios vars
+ call init_bios_area
+
+#ifdef VBE
+;; init vbe functions
+ call vbe_init
+#endif
+
+;; set int10 vect
+ SET_INT_VECTOR(0x10, #0xC000, #vgabios_int10_handler)
+
+#ifdef CIRRUS
+ call cirrus_init
+#endif
+
+;; display splash screen
+ call _display_splash_screen
+
+;; init video mode and clear the screen
+ mov ax,#0x0003
+ int #0x10
+
+;; show info
+ call _display_info
+
+#ifdef VBE
+;; show vbe info
+ call vbe_display_info
+#endif
+
+#ifdef CIRRUS
+;; show cirrus info
+ call cirrus_display_info
+#endif
+
+ retf
+ASM_END
+
+/*
+ * int10 handled here
+ */
+ASM_START
+vgabios_int10_handler:
+ pushf
+#ifdef DEBUG
+ push es
+ push ds
+ pusha
+ mov bx, #0xc000
+ mov ds, bx
+ call _int10_debugmsg
+ popa
+ pop ds
+ pop es
+#endif
+ cmp ah, #0x0f
+ jne int10_test_1A
+ call biosfn_get_video_mode
+ jmp int10_end
+int10_test_1A:
+ cmp ah, #0x1a
+ jne int10_test_0B
+ call biosfn_group_1A
+ jmp int10_end
+int10_test_0B:
+ cmp ah, #0x0b
+ jne int10_test_1103
+ call biosfn_group_0B
+ jmp int10_end
+int10_test_1103:
+ cmp ax, #0x1103
+ jne int10_test_12
+ call biosfn_set_text_block_specifier
+ jmp int10_end
+int10_test_12:
+ cmp ah, #0x12
+ jne int10_test_101B
+ cmp bl, #0x10
+ jne int10_test_BL30
+ call biosfn_get_ega_info
+ jmp int10_end
+int10_test_BL30:
+ cmp bl, #0x30
+ jne int10_test_BL31
+ call biosfn_select_vert_res
+ jmp int10_end
+int10_test_BL31:
+ cmp bl, #0x31
+ jne int10_test_BL32
+ call biosfn_enable_default_palette_loading
+ jmp int10_end
+int10_test_BL32:
+ cmp bl, #0x32
+ jne int10_test_BL33
+ call biosfn_enable_video_addressing
+ jmp int10_end
+int10_test_BL33:
+ cmp bl, #0x33
+ jne int10_test_BL34
+ call biosfn_enable_grayscale_summing
+ jmp int10_end
+int10_test_BL34:
+ cmp bl, #0x34
+ jne int10_normal
+ call biosfn_enable_cursor_emulation
+ jmp int10_end
+int10_test_101B:
+ cmp ax, #0x101b
+ je int10_normal
+ cmp ah, #0x10
+#ifndef VBE
+ jne int10_normal
+#else
+ jne int10_test_4F
+#endif
+ call biosfn_group_10
+ jmp int10_end
+#ifdef VBE
+int10_test_4F:
+ cmp ah, #0x4f
+ jne int10_normal
+ cmp al, #0x03
+ jne int10_test_vbe_05
+ call vbe_biosfn_return_current_mode
+ jmp int10_end
+int10_test_vbe_05:
+ cmp al, #0x05
+ jne int10_test_vbe_06
+ call vbe_biosfn_display_window_control
+ jmp int10_end
+int10_test_vbe_06:
+ cmp al, #0x06
+ jne int10_test_vbe_07
+ call vbe_biosfn_set_get_logical_scan_line_length
+ jmp int10_end
+int10_test_vbe_07:
+ cmp al, #0x07
+ jne int10_test_vbe_08
+ call vbe_biosfn_set_get_display_start
+ jmp int10_end
+int10_test_vbe_08:
+ cmp al, #0x08
+ jne int10_test_vbe_0A
+ call vbe_biosfn_set_get_dac_palette_format
+ jmp int10_end
+int10_test_vbe_0A:
+ cmp al, #0x0A
+ jne int10_normal
+ call vbe_biosfn_return_protected_mode_interface
+ jmp int10_end
+#endif
+
+int10_normal:
+ push es
+ push ds
+ pusha
+
+;; We have to set ds to access the right data segment
+ mov bx, #0xc000
+ mov ds, bx
+ call _int10_func
+
+ popa
+ pop ds
+ pop es
+int10_end:
+ popf
+ iret
+ASM_END
+
+#include "vgatables.h"
+#include "vgafonts.h"
+
+/*
+ * Boot time harware inits
+ */
+ASM_START
+init_vga_card:
+;; switch to color mode and enable CPU access 480 lines
+ mov dx, #0x3C2
+ mov al, #0xC3
+ outb dx,al
+
+;; more than 64k 3C4/04
+ mov dx, #0x3C4
+ mov al, #0x04
+ outb dx,al
+ mov dx, #0x3C5
+ mov al, #0x02
+ outb dx,al
+
+#if defined(USE_BX_INFO) || defined(DEBUG)
+ mov bx, #msg_vga_init
+ push bx
+ call _printf
+#endif
+ inc sp
+ inc sp
+ ret
+
+#if defined(USE_BX_INFO) || defined(DEBUG)
+msg_vga_init:
+.ascii "VGABios $Id$"
+.byte 0x0d,0x0a,0x00
+#endif
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+/*
+ * Boot time bios area inits
+ */
+ASM_START
+init_bios_area:
+ push ds
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+
+;; init detected hardware BIOS Area
+ mov bx, # BIOSMEM_INITIAL_MODE
+ mov ax, [bx]
+ and ax, #0xffcf
+;; set 80x25 color (not clear from RBIL but usual)
+ or ax, #0x0020
+ mov [bx], ax
+
+;; Just for the first int10 find its children
+
+;; the default char height
+ mov bx, # BIOSMEM_CHAR_HEIGHT
+ mov al, #0x10
+ mov [bx], al
+
+;; Clear the screen
+ mov bx, # BIOSMEM_VIDEO_CTL
+ mov al, #0x60
+ mov [bx], al
+
+;; Set the basic screen we have
+ mov bx, # BIOSMEM_SWITCHES
+ mov al, #0xf9
+ mov [bx], al
+
+;; Set the basic modeset options
+ mov bx, # BIOSMEM_MODESET_CTL
+ mov al, #0x51
+ mov [bx], al
+
+;; Set the default MSR
+ mov bx, # BIOSMEM_CURRENT_MSR
+ mov al, #0x09
+ mov [bx], al
+
+ pop ds
+ ret
+
+_video_save_pointer_table:
+ .word _video_param_table
+ .word 0xc000
+
+ .word 0 /* XXX: fill it */
+ .word 0
+
+ .word 0 /* XXX: fill it */
+ .word 0
+
+ .word 0 /* XXX: fill it */
+ .word 0
+
+ .word 0 /* XXX: fill it */
+ .word 0
+
+ .word 0 /* XXX: fill it */
+ .word 0
+
+ .word 0 /* XXX: fill it */
+ .word 0
+
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+/*
+ * Boot time Splash screen
+ */
+static void display_splash_screen()
+{
+}
+
+// --------------------------------------------------------------------------------------------
+/*
+ * Tell who we are
+ */
+
+static void display_info()
+{
+ASM_START
+ mov ax,#0xc000
+ mov ds,ax
+ mov si,#vgabios_name
+ call _display_string
+ mov si,#vgabios_version
+ call _display_string
+
+ ;;mov si,#vgabios_copyright
+ ;;call _display_string
+ ;;mov si,#crlf
+ ;;call _display_string
+
+ mov si,#vgabios_license
+ call _display_string
+ mov si,#vgabios_website
+ call _display_string
+ASM_END
+}
+
+static void display_string()
+{
+ // Get length of string
+ASM_START
+ mov ax,ds
+ mov es,ax
+ mov di,si
+ xor cx,cx
+ not cx
+ xor al,al
+ cld
+ repne
+ scasb
+ not cx
+ dec cx
+ push cx
+
+ mov ax,#0x0300
+ mov bx,#0x0000
+ int #0x10
+
+ pop cx
+ mov ax,#0x1301
+ mov bx,#0x000b
+ mov bp,si
+ int #0x10
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+#ifdef DEBUG
+static void int10_debugmsg(DI, SI, BP, SP, BX, DX, CX, AX, DS, ES, FLAGS)
+ Bit16u DI, SI, BP, SP, BX, DX, CX, AX, ES, DS, FLAGS;
+{
+ // 0E is write char...
+ if(GET_AH()!=0x0E)
+ printf("vgabios call ah%02x al%02x bx%04x cx%04x dx%04x\n",GET_AH(),GET_AL(),BX,CX,DX);
+}
+#endif
+
+// --------------------------------------------------------------------------------------------
+/*
+ * int10 main dispatcher
+ */
+static void int10_func(DI, SI, BP, SP, BX, DX, CX, AX, DS, ES, FLAGS)
+ Bit16u DI, SI, BP, SP, BX, DX, CX, AX, ES, DS, FLAGS;
+{
+
+ // BIOS functions
+ switch(GET_AH())
+ {
+ case 0x00:
+ biosfn_set_video_mode(GET_AL());
+ switch(GET_AL()&0x7F)
+ {case 6:
+ SET_AL(0x3F);
+ break;
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 7:
+ SET_AL(0x30);
+ break;
+ default:
+ SET_AL(0x20);
+ }
+ break;
+ case 0x01:
+ biosfn_set_cursor_shape(GET_CH(),GET_CL());
+ break;
+ case 0x02:
+ biosfn_set_cursor_pos(GET_BH(),DX);
+ break;
+ case 0x03:
+ biosfn_get_cursor_pos(GET_BH(),&CX,&DX);
+ break;
+ case 0x04:
+ // Read light pen pos (unimplemented)
+#ifdef DEBUG
+ unimplemented();
+#endif
+ AX=0x00;
+ BX=0x00;
+ CX=0x00;
+ DX=0x00;
+ break;
+ case 0x05:
+ biosfn_set_active_page(GET_AL());
+ break;
+ case 0x06:
+ biosfn_scroll(GET_AL(),GET_BH(),GET_CH(),GET_CL(),GET_DH(),GET_DL(),0xFF,SCROLL_UP);
+ break;
+ case 0x07:
+ biosfn_scroll(GET_AL(),GET_BH(),GET_CH(),GET_CL(),GET_DH(),GET_DL(),0xFF,SCROLL_DOWN);
+ break;
+ case 0x08:
+ biosfn_read_char_attr(GET_BH(),&AX);
+ break;
+ case 0x09:
+ biosfn_write_char_attr(GET_AL(),GET_BH(),GET_BL(),CX);
+ break;
+ case 0x0A:
+ biosfn_write_char_only(GET_AL(),GET_BH(),GET_BL(),CX);
+ break;
+ case 0x0C:
+ biosfn_write_pixel(GET_BH(),GET_AL(),CX,DX);
+ break;
+ case 0x0D:
+ biosfn_read_pixel(GET_BH(),CX,DX,&AX);
+ break;
+ case 0x0E:
+ // Ralf Brown Interrupt list is WRONG on bh(page)
+ // We do output only on the current page !
+ biosfn_write_teletype(GET_AL(),0xff,GET_BL(),NO_ATTR);
+ break;
+ case 0x10:
+ // All other functions of group AH=0x10 rewritten in assembler
+ biosfn_perform_gray_scale_summing(BX,CX);
+ break;
+ case 0x11:
+ switch(GET_AL())
+ {
+ case 0x00:
+ case 0x10:
+ biosfn_load_text_user_pat(GET_AL(),ES,BP,CX,DX,GET_BL(),GET_BH());
+ break;
+ case 0x01:
+ case 0x11:
+ biosfn_load_text_8_14_pat(GET_AL(),GET_BL());
+ break;
+ case 0x02:
+ case 0x12:
+ biosfn_load_text_8_8_pat(GET_AL(),GET_BL());
+ break;
+ case 0x04:
+ case 0x14:
+ biosfn_load_text_8_16_pat(GET_AL(),GET_BL());
+ break;
+ case 0x20:
+ biosfn_load_gfx_8_8_chars(ES,BP);
+ break;
+ case 0x21:
+ biosfn_load_gfx_user_chars(ES,BP,CX,GET_BL(),GET_DL());
+ break;
+ case 0x22:
+ biosfn_load_gfx_8_14_chars(GET_BL());
+ break;
+ case 0x23:
+ biosfn_load_gfx_8_8_dd_chars(GET_BL());
+ break;
+ case 0x24:
+ biosfn_load_gfx_8_16_chars(GET_BL());
+ break;
+ case 0x30:
+ biosfn_get_font_info(GET_BH(),&ES,&BP,&CX,&DX);
+ break;
+#ifdef DEBUG
+ default:
+ unknown();
+#endif
+ }
+
+ break;
+ case 0x12:
+ switch(GET_BL())
+ {
+ case 0x20:
+ biosfn_alternate_prtsc();
+ break;
+ case 0x35:
+ biosfn_switch_video_interface(GET_AL(),ES,DX);
+ SET_AL(0x12);
+ break;
+ case 0x36:
+ biosfn_enable_video_refresh_control(GET_AL());
+ SET_AL(0x12);
+ break;
+#ifdef DEBUG
+ default:
+ unknown();
+#endif
+ }
+ break;
+ case 0x13:
+ biosfn_write_string(GET_AL(),GET_BH(),GET_BL(),CX,GET_DH(),GET_DL(),ES,BP);
+ break;
+ case 0x1B:
+ biosfn_read_state_info(BX,ES,DI);
+ SET_AL(0x1B);
+ break;
+ case 0x1C:
+ switch(GET_AL())
+ {
+ case 0x00:
+ biosfn_read_video_state_size(CX,&BX);
+ break;
+ case 0x01:
+ biosfn_save_video_state(CX,ES,BX);
+ break;
+ case 0x02:
+ biosfn_restore_video_state(CX,ES,BX);
+ break;
+#ifdef DEBUG
+ default:
+ unknown();
+#endif
+ }
+ SET_AL(0x1C);
+ break;
+
+#ifdef VBE
+ case 0x4f:
+ if (vbe_has_vbe_display()) {
+ switch(GET_AL())
+ {
+ case 0x00:
+ vbe_biosfn_return_controller_information(&AX,ES,DI);
+ break;
+ case 0x01:
+ vbe_biosfn_return_mode_information(&AX,CX,ES,DI);
+ break;
+ case 0x02:
+ vbe_biosfn_set_mode(&AX,BX,ES,DI);
+ break;
+ case 0x04:
+ vbe_biosfn_save_restore_state(&AX, CX, DX, ES, &BX);
+ break;
+ case 0x09:
+ //FIXME
+#ifdef DEBUG
+ unimplemented();
+#endif
+ // function failed
+ AX=0x100;
+ break;
+ case 0x0A:
+ //FIXME
+#ifdef DEBUG
+ unimplemented();
+#endif
+ // function failed
+ AX=0x100;
+ break;
+ default:
+#ifdef DEBUG
+ unknown();
+#endif
+ // function failed
+ AX=0x100;
+ }
+ }
+ else {
+ // No VBE display
+ AX=0x0100;
+ }
+ break;
+#endif
+
+#ifdef DEBUG
+ default:
+ unknown();
+#endif
+ }
+}
+
+// ============================================================================================
+//
+// BIOS functions
+//
+// ============================================================================================
+
+static void biosfn_set_video_mode(mode) Bit8u mode;
+{// mode: Bit 7 is 1 if no clear screen
+
+ // Should we clear the screen ?
+ Bit8u noclearmem=mode&0x80;
+ Bit8u line,mmask,*palette,vpti;
+ Bit16u i,twidth,theightm1,cheight;
+ Bit8u modeset_ctl,video_ctl,vga_switches;
+ Bit16u crtc_addr;
+
+#ifdef VBE
+ if (vbe_has_vbe_display()) {
+ dispi_set_enable(VBE_DISPI_DISABLED);
+ }
+#endif // def VBE
+
+ // The real mode
+ mode=mode&0x7f;
+
+ // find the entry in the video modes
+ line=find_vga_entry(mode);
+
+#ifdef DEBUG
+ printf("mode search %02x found line %02x\n",mode,line);
+#endif
+
+ if(line==0xFF)
+ return;
+
+ vpti=line_to_vpti[line];
+ twidth=video_param_table[vpti].twidth;
+ theightm1=video_param_table[vpti].theightm1;
+ cheight=video_param_table[vpti].cheight;
+
+ // Read the bios vga control
+ video_ctl=read_byte(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL);
+
+ // Read the bios vga switches
+ vga_switches=read_byte(BIOSMEM_SEG,BIOSMEM_SWITCHES);
+
+ // Read the bios mode set control
+ modeset_ctl=read_byte(BIOSMEM_SEG,BIOSMEM_MODESET_CTL);
+
+ // Then we know the number of lines
+// FIXME
+
+ // if palette loading (bit 3 of modeset ctl = 0)
+ if((modeset_ctl&0x08)==0)
+ {// Set the PEL mask
+ outb(VGAREG_PEL_MASK,vga_modes[line].pelmask);
+
+ // Set the whole dac always, from 0
+ outb(VGAREG_DAC_WRITE_ADDRESS,0x00);
+
+ // From which palette
+ switch(vga_modes[line].dacmodel)
+ {case 0:
+ palette=&palette0;
+ break;
+ case 1:
+ palette=&palette1;
+ break;
+ case 2:
+ palette=&palette2;
+ break;
+ case 3:
+ palette=&palette3;
+ break;
+ }
+ // Always 256*3 values
+ for(i=0;i<0x0100;i++)
+ {if(i<=dac_regs[vga_modes[line].dacmodel])
+ {outb(VGAREG_DAC_DATA,palette[(i*3)+0]);
+ outb(VGAREG_DAC_DATA,palette[(i*3)+1]);
+ outb(VGAREG_DAC_DATA,palette[(i*3)+2]);
+ }
+ else
+ {outb(VGAREG_DAC_DATA,0);
+ outb(VGAREG_DAC_DATA,0);
+ outb(VGAREG_DAC_DATA,0);
+ }
+ }
+ if((modeset_ctl&0x02)==0x02)
+ {
+ biosfn_perform_gray_scale_summing(0x00, 0x100);
+ }
+ }
+
+ // Reset Attribute Ctl flip-flop
+ inb(VGAREG_ACTL_RESET);
+
+ // Set Attribute Ctl
+ for(i=0;i<=0x13;i++)
+ {outb(VGAREG_ACTL_ADDRESS,i);
+ outb(VGAREG_ACTL_WRITE_DATA,video_param_table[vpti].actl_regs[i]);
+ }
+ outb(VGAREG_ACTL_ADDRESS,0x14);
+ outb(VGAREG_ACTL_WRITE_DATA,0x00);
+
+ // Set Sequencer Ctl
+ outb(VGAREG_SEQU_ADDRESS,0);
+ outb(VGAREG_SEQU_DATA,0x03);
+ for(i=1;i<=4;i++)
+ {outb(VGAREG_SEQU_ADDRESS,i);
+ outb(VGAREG_SEQU_DATA,video_param_table[vpti].sequ_regs[i - 1]);
+ }
+
+ // Set Grafx Ctl
+ for(i=0;i<=8;i++)
+ {outb(VGAREG_GRDC_ADDRESS,i);
+ outb(VGAREG_GRDC_DATA,video_param_table[vpti].grdc_regs[i]);
+ }
+
+ // Set CRTC address VGA or MDA
+ crtc_addr=vga_modes[line].memmodel==MTEXT?VGAREG_MDA_CRTC_ADDRESS:VGAREG_VGA_CRTC_ADDRESS;
+
+ // Disable CRTC write protection
+ outw(crtc_addr,0x0011);
+ // Set CRTC regs
+ for(i=0;i<=0x18;i++)
+ {outb(crtc_addr,i);
+ outb(crtc_addr+1,video_param_table[vpti].crtc_regs[i]);
+ }
+
+ // Set the misc register
+ outb(VGAREG_WRITE_MISC_OUTPUT,video_param_table[vpti].miscreg);
+
+ // Enable video
+ outb(VGAREG_ACTL_ADDRESS,0x20);
+ inb(VGAREG_ACTL_RESET);
+
+ if(noclearmem==0x00)
+ {
+ if(vga_modes[line].class==TEXT)
+ {
+ memsetw(vga_modes[line].sstart,0,0x0720,0x4000); // 32k
+ }
+ else
+ {
+ if(mode<0x0d)
+ {
+ memsetw(vga_modes[line].sstart,0,0x0000,0x4000); // 32k
+ }
+ else
+ {
+ outb( VGAREG_SEQU_ADDRESS, 0x02 );
+ mmask = inb( VGAREG_SEQU_DATA );
+ outb( VGAREG_SEQU_DATA, 0x0f ); // all planes
+ memsetw(vga_modes[line].sstart,0,0x0000,0x8000); // 64k
+ outb( VGAREG_SEQU_DATA, mmask );
+ }
+ }
+ }
+
+ // Set the BIOS mem
+ write_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE,mode);
+ write_word(BIOSMEM_SEG,BIOSMEM_NB_COLS,twidth);
+ write_word(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE,*(Bit16u *)&video_param_table[vpti].slength_l);
+ write_word(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS,crtc_addr);
+ write_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS,theightm1);
+ write_word(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT,cheight);
+ write_byte(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL,(0x60|noclearmem));
+ write_byte(BIOSMEM_SEG,BIOSMEM_SWITCHES,0xF9);
+ write_byte(BIOSMEM_SEG,BIOSMEM_MODESET_CTL,read_byte(BIOSMEM_SEG,BIOSMEM_MODESET_CTL)&0x7f);
+
+ // FIXME We nearly have the good tables. to be reworked
+ write_byte(BIOSMEM_SEG,BIOSMEM_DCC_INDEX,0x08); // 8 is VGA should be ok for now
+ write_word(BIOSMEM_SEG,BIOSMEM_VS_POINTER, video_save_pointer_table);
+ write_word(BIOSMEM_SEG,BIOSMEM_VS_POINTER+2, 0xc000);
+
+ // FIXME
+ write_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,0x00); // Unavailable on vanilla vga, but...
+ write_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,0x00); // Unavailable on vanilla vga, but...
+
+ // Set cursor shape
+ if(vga_modes[line].class==TEXT)
+ {
+ biosfn_set_cursor_shape(0x06,0x07);
+ }
+
+ // Set cursor pos for page 0..7
+ for(i=0;i<8;i++)
+ biosfn_set_cursor_pos(i,0x0000);
+
+ // Set active page 0
+ biosfn_set_active_page(0x00);
+
+ // Write the fonts in memory
+ if(vga_modes[line].class==TEXT)
+ {
+ASM_START
+ ;; copy and activate 8x16 font
+ mov ax, #0x1104
+ mov bl, #0x00
+ int #0x10
+ mov ax, #0x1103
+ mov bl, #0x00
+ int #0x10
+ASM_END
+ }
+
+ // Set the ints 0x1F and 0x43
+ASM_START
+ SET_INT_VECTOR(0x1f, #0xC000, #_vgafont8+128*8)
+ASM_END
+
+ switch(cheight)
+ {case 8:
+ASM_START
+ SET_INT_VECTOR(0x43, #0xC000, #_vgafont8)
+ASM_END
+ break;
+ case 14:
+ASM_START
+ SET_INT_VECTOR(0x43, #0xC000, #_vgafont14)
+ASM_END
+ break;
+ case 16:
+ASM_START
+ SET_INT_VECTOR(0x43, #0xC000, #_vgafont16)
+ASM_END
+ break;
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_set_cursor_shape (CH,CL)
+Bit8u CH;Bit8u CL;
+{Bit16u cheight,curs,crtc_addr;
+ Bit8u modeset_ctl;
+
+ CH&=0x3f;
+ CL&=0x1f;
+
+ curs=(CH<<8)+CL;
+ write_word(BIOSMEM_SEG,BIOSMEM_CURSOR_TYPE,curs);
+
+ modeset_ctl=read_byte(BIOSMEM_SEG,BIOSMEM_MODESET_CTL);
+ cheight = read_word(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT);
+ if((modeset_ctl&0x01) && (cheight>8) && (CL<8) && (CH<0x20))
+ {
+ if(CL!=(CH+1))
+ {
+ CH = ((CH+1) * cheight / 8) -1;
+ }
+ else
+ {
+ CH = ((CL+1) * cheight / 8) - 2;
+ }
+ CL = ((CL+1) * cheight / 8) - 1;
+ }
+
+ // CTRC regs 0x0a and 0x0b
+ crtc_addr=read_word(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS);
+ outb(crtc_addr,0x0a);
+ outb(crtc_addr+1,CH);
+ outb(crtc_addr,0x0b);
+ outb(crtc_addr+1,CL);
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_set_cursor_pos (page, cursor)
+Bit8u page;Bit16u cursor;
+{
+ Bit8u xcurs,ycurs,current;
+ Bit16u nbcols,nbrows,address,crtc_addr;
+
+ // Should not happen...
+ if(page>7)return;
+
+ // Bios cursor pos
+ write_word(BIOSMEM_SEG, BIOSMEM_CURSOR_POS+2*page, cursor);
+
+ // Set the hardware cursor
+ current=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE);
+ if(page==current)
+ {
+ // Get the dimensions
+ nbcols=read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+ nbrows=read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1;
+
+ xcurs=cursor&0x00ff;ycurs=(cursor&0xff00)>>8;
+
+ // Calculate the address knowing nbcols nbrows and page num
+ address=SCREEN_IO_START(nbcols,nbrows,page)+xcurs+ycurs*nbcols;
+
+ // CRTC regs 0x0e and 0x0f
+ crtc_addr=read_word(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS);
+ outb(crtc_addr,0x0e);
+ outb(crtc_addr+1,(address&0xff00)>>8);
+ outb(crtc_addr,0x0f);
+ outb(crtc_addr+1,address&0x00ff);
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_get_cursor_pos (page,shape, pos)
+Bit8u page;Bit16u *shape;Bit16u *pos;
+{
+ Bit16u ss=get_SS();
+
+ // Default
+ write_word(ss, shape, 0);
+ write_word(ss, pos, 0);
+
+ if(page>7)return;
+ // FIXME should handle VGA 14/16 lines
+ write_word(ss,shape,read_word(BIOSMEM_SEG,BIOSMEM_CURSOR_TYPE));
+ write_word(ss,pos,read_word(BIOSMEM_SEG,BIOSMEM_CURSOR_POS+page*2));
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_set_active_page (page)
+Bit8u page;
+{
+ Bit16u cursor,dummy,crtc_addr;
+ Bit16u nbcols,nbrows,address;
+ Bit8u mode,line;
+
+ if(page>7)return;
+
+ // Get the mode
+ mode=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE);
+ line=find_vga_entry(mode);
+ if(line==0xFF)return;
+
+ // Get pos curs pos for the right page
+ biosfn_get_cursor_pos(page,&dummy,&cursor);
+
+ if(vga_modes[line].class==TEXT)
+ {
+ // Get the dimensions
+ nbcols=read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+ nbrows=read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1;
+
+ // Calculate the address knowing nbcols nbrows and page num
+ address=SCREEN_MEM_START(nbcols,nbrows,page);
+ write_word(BIOSMEM_SEG,BIOSMEM_CURRENT_START,address);
+
+ // Start address
+ address=SCREEN_IO_START(nbcols,nbrows,page);
+ }
+ else
+ {
+ address = page * (*(Bit16u *)&video_param_table[line_to_vpti[line]].slength_l);
+ }
+
+ // CRTC regs 0x0c and 0x0d
+ crtc_addr=read_word(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS);
+ outb(crtc_addr,0x0c);
+ outb(crtc_addr+1,(address&0xff00)>>8);
+ outb(crtc_addr,0x0d);
+ outb(crtc_addr+1,address&0x00ff);
+
+ // And change the BIOS page
+ write_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE,page);
+
+#ifdef DEBUG
+ printf("Set active page %02x address %04x\n",page,address);
+#endif
+
+ // Display the cursor, now the page is active
+ biosfn_set_cursor_pos(page,cursor);
+}
+
+// --------------------------------------------------------------------------------------------
+static void vgamem_copy_pl4(xstart,ysrc,ydest,cols,nbcols,cheight)
+Bit8u xstart;Bit8u ysrc;Bit8u ydest;Bit8u cols;Bit8u nbcols;Bit8u cheight;
+{
+ Bit16u src,dest;
+ Bit8u i;
+
+ src=ysrc*cheight*nbcols+xstart;
+ dest=ydest*cheight*nbcols+xstart;
+ outw(VGAREG_GRDC_ADDRESS, 0x0105);
+ for(i=0;i<cheight;i++)
+ {
+ memcpyb(0xa000,dest+i*nbcols,0xa000,src+i*nbcols,cols);
+ }
+ outw(VGAREG_GRDC_ADDRESS, 0x0005);
+}
+
+// --------------------------------------------------------------------------------------------
+static void vgamem_fill_pl4(xstart,ystart,cols,nbcols,cheight,attr)
+Bit8u xstart;Bit8u ystart;Bit8u cols;Bit8u nbcols;Bit8u cheight;Bit8u attr;
+{
+ Bit16u dest;
+ Bit8u i;
+
+ dest=ystart*cheight*nbcols+xstart;
+ outw(VGAREG_GRDC_ADDRESS, 0x0205);
+ for(i=0;i<cheight;i++)
+ {
+ memsetb(0xa000,dest+i*nbcols,attr,cols);
+ }
+ outw(VGAREG_GRDC_ADDRESS, 0x0005);
+}
+
+// --------------------------------------------------------------------------------------------
+static void vgamem_copy_cga(xstart,ysrc,ydest,cols,nbcols,cheight)
+Bit8u xstart;Bit8u ysrc;Bit8u ydest;Bit8u cols;Bit8u nbcols;Bit8u cheight;
+{
+ Bit16u src,dest;
+ Bit8u i;
+
+ src=((ysrc*cheight*nbcols)>>1)+xstart;
+ dest=((ydest*cheight*nbcols)>>1)+xstart;
+ for(i=0;i<cheight;i++)
+ {
+ if (i & 1)
+ memcpyb(0xb800,0x2000+dest+(i>>1)*nbcols,0xb800,0x2000+src+(i>>1)*nbcols,cols);
+ else
+ memcpyb(0xb800,dest+(i>>1)*nbcols,0xb800,src+(i>>1)*nbcols,cols);
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void vgamem_fill_cga(xstart,ystart,cols,nbcols,cheight,attr)
+Bit8u xstart;Bit8u ystart;Bit8u cols;Bit8u nbcols;Bit8u cheight;Bit8u attr;
+{
+ Bit16u dest;
+ Bit8u i;
+
+ dest=((ystart*cheight*nbcols)>>1)+xstart;
+ for(i=0;i<cheight;i++)
+ {
+ if (i & 1)
+ memsetb(0xb800,0x2000+dest+(i>>1)*nbcols,attr,cols);
+ else
+ memsetb(0xb800,dest+(i>>1)*nbcols,attr,cols);
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_scroll (nblines,attr,rul,cul,rlr,clr,page,dir)
+Bit8u nblines;Bit8u attr;Bit8u rul;Bit8u cul;Bit8u rlr;Bit8u clr;Bit8u page;Bit8u dir;
+{
+ // page == 0xFF if current
+
+ Bit8u mode,line,cheight,bpp,cols;
+ Bit16u nbcols,nbrows,i;
+ Bit16u address;
+
+ if(rul>rlr)return;
+ if(cul>clr)return;
+
+ // Get the mode
+ mode=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE);
+ line=find_vga_entry(mode);
+ if(line==0xFF)return;
+
+ // Get the dimensions
+ nbrows=read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1;
+ nbcols=read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+
+ // Get the current page
+ if(page==0xFF)
+ page=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE);
+
+ if(rlr>=nbrows)rlr=nbrows-1;
+ if(clr>=nbcols)clr=nbcols-1;
+ if(nblines>nbrows)nblines=0;
+ cols=clr-cul+1;
+
+ if(vga_modes[line].class==TEXT)
+ {
+ // Compute the address
+ address=SCREEN_MEM_START(nbcols,nbrows,page);
+#ifdef DEBUG
+ printf("Scroll, address %04x (%04x %04x %02x)\n",address,nbrows,nbcols,page);
+#endif
+
+ if(nblines==0&&rul==0&&cul==0&&rlr==nbrows-1&&clr==nbcols-1)
+ {
+ memsetw(vga_modes[line].sstart,address,(Bit16u)attr*0x100+' ',nbrows*nbcols);
+ }
+ else
+ {// if Scroll up
+ if(dir==SCROLL_UP)
+ {for(i=rul;i<=rlr;i++)
+ {
+ if((i+nblines>rlr)||(nblines==0))
+ memsetw(vga_modes[line].sstart,address+(i*nbcols+cul)*2,(Bit16u)attr*0x100+' ',cols);
+ else
+ memcpyw(vga_modes[line].sstart,address+(i*nbcols+cul)*2,vga_modes[line].sstart,((i+nblines)*nbcols+cul)*2,cols);
+ }
+ }
+ else
+ {for(i=rlr;i>=rul;i--)
+ {
+ if((i<rul+nblines)||(nblines==0))
+ memsetw(vga_modes[line].sstart,address+(i*nbcols+cul)*2,(Bit16u)attr*0x100+' ',cols);
+ else
+ memcpyw(vga_modes[line].sstart,address+(i*nbcols+cul)*2,vga_modes[line].sstart,((i-nblines)*nbcols+cul)*2,cols);
+ if (i>rlr) break;
+ }
+ }
+ }
+ }
+ else
+ {
+ // FIXME gfx mode not complete
+ cheight=video_param_table[line_to_vpti[line]].cheight;
+ switch(vga_modes[line].memmodel)
+ {
+ case PLANAR4:
+ case PLANAR1:
+ if(nblines==0&&rul==0&&cul==0&&rlr==nbrows-1&&clr==nbcols-1)
+ {
+ outw(VGAREG_GRDC_ADDRESS, 0x0205);
+ memsetb(vga_modes[line].sstart,0,attr,nbrows*nbcols*cheight);
+ outw(VGAREG_GRDC_ADDRESS, 0x0005);
+ }
+ else
+ {// if Scroll up
+ if(dir==SCROLL_UP)
+ {for(i=rul;i<=rlr;i++)
+ {
+ if((i+nblines>rlr)||(nblines==0))
+ vgamem_fill_pl4(cul,i,cols,nbcols,cheight,attr);
+ else
+ vgamem_copy_pl4(cul,i+nblines,i,cols,nbcols,cheight);
+ }
+ }
+ else
+ {for(i=rlr;i>=rul;i--)
+ {
+ if((i<rul+nblines)||(nblines==0))
+ vgamem_fill_pl4(cul,i,cols,nbcols,cheight,attr);
+ else
+ vgamem_copy_pl4(cul,i,i-nblines,cols,nbcols,cheight);
+ if (i>rlr) break;
+ }
+ }
+ }
+ break;
+ case CGA:
+ bpp=vga_modes[line].pixbits;
+ if(nblines==0&&rul==0&&cul==0&&rlr==nbrows-1&&clr==nbcols-1)
+ {
+ memsetb(vga_modes[line].sstart,0,attr,nbrows*nbcols*cheight*bpp);
+ }
+ else
+ {
+ if(bpp==2)
+ {
+ cul<<=1;
+ cols<<=1;
+ nbcols<<=1;
+ }
+ // if Scroll up
+ if(dir==SCROLL_UP)
+ {for(i=rul;i<=rlr;i++)
+ {
+ if((i+nblines>rlr)||(nblines==0))
+ vgamem_fill_cga(cul,i,cols,nbcols,cheight,attr);
+ else
+ vgamem_copy_cga(cul,i+nblines,i,cols,nbcols,cheight);
+ }
+ }
+ else
+ {for(i=rlr;i>=rul;i--)
+ {
+ if((i<rul+nblines)||(nblines==0))
+ vgamem_fill_cga(cul,i,cols,nbcols,cheight,attr);
+ else
+ vgamem_copy_cga(cul,i,i-nblines,cols,nbcols,cheight);
+ if (i>rlr) break;
+ }
+ }
+ }
+ break;
+#ifdef DEBUG
+ default:
+ printf("Scroll in graphics mode ");
+ unimplemented();
+#endif
+ }
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_read_char_attr (page,car)
+Bit8u page;Bit16u *car;
+{Bit16u ss=get_SS();
+ Bit8u xcurs,ycurs,mode,line;
+ Bit16u nbcols,nbrows,address;
+ Bit16u cursor,dummy;
+
+ // Get the mode
+ mode=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE);
+ line=find_vga_entry(mode);
+ if(line==0xFF)return;
+
+ // Get the cursor pos for the page
+ biosfn_get_cursor_pos(page,&dummy,&cursor);
+ xcurs=cursor&0x00ff;ycurs=(cursor&0xff00)>>8;
+
+ // Get the dimensions
+ nbrows=read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1;
+ nbcols=read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+
+ if(vga_modes[line].class==TEXT)
+ {
+ // Compute the address
+ address=SCREEN_MEM_START(nbcols,nbrows,page)+(xcurs+ycurs*nbcols)*2;
+
+ write_word(ss,car,read_word(vga_modes[line].sstart,address));
+ }
+ else
+ {
+ // FIXME gfx mode
+#ifdef DEBUG
+ unimplemented();
+#endif
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void write_gfx_char_pl4(car,attr,xcurs,ycurs,nbcols,cheight)
+Bit8u car;Bit8u attr;Bit8u xcurs;Bit8u ycurs;Bit8u nbcols;Bit8u cheight;
+{
+ Bit8u i,j,mask;
+ Bit8u *fdata;
+ Bit16u addr,dest,src;
+
+ switch(cheight)
+ {case 14:
+ fdata = &vgafont14;
+ break;
+ case 16:
+ fdata = &vgafont16;
+ break;
+ default:
+ fdata = &vgafont8;
+ }
+ addr=xcurs+ycurs*cheight*nbcols;
+ src = car * cheight;
+ outw(VGAREG_SEQU_ADDRESS, 0x0f02);
+ outw(VGAREG_GRDC_ADDRESS, 0x0205);
+ if(attr&0x80)
+ {
+ outw(VGAREG_GRDC_ADDRESS, 0x1803);
+ }
+ else
+ {
+ outw(VGAREG_GRDC_ADDRESS, 0x0003);
+ }
+ for(i=0;i<cheight;i++)
+ {
+ dest=addr+i*nbcols;
+ for(j=0;j<8;j++)
+ {
+ mask=0x80>>j;
+ outw(VGAREG_GRDC_ADDRESS, (mask << 8) | 0x08);
+ read_byte(0xa000,dest);
+ if(fdata[src+i]&mask)
+ {
+ write_byte(0xa000,dest,attr&0x0f);
+ }
+ else
+ {
+ write_byte(0xa000,dest,0x00);
+ }
+ }
+ }
+ASM_START
+ mov dx, # VGAREG_GRDC_ADDRESS
+ mov ax, #0xff08
+ out dx, ax
+ mov ax, #0x0005
+ out dx, ax
+ mov ax, #0x0003
+ out dx, ax
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+static void write_gfx_char_cga(car,attr,xcurs,ycurs,nbcols,bpp)
+Bit8u car;Bit8u attr;Bit8u xcurs;Bit8u ycurs;Bit8u nbcols;Bit8u bpp;
+{
+ Bit8u i,j,mask,data;
+ Bit8u *fdata;
+ Bit16u addr,dest,src;
+
+ fdata = &vgafont8;
+ addr=(xcurs*bpp)+ycurs*320;
+ src = car * 8;
+ for(i=0;i<8;i++)
+ {
+ dest=addr+(i>>1)*80;
+ if (i & 1) dest += 0x2000;
+ mask = 0x80;
+ if (bpp == 1)
+ {
+ if (attr & 0x80)
+ {
+ data = read_byte(0xb800,dest);
+ }
+ else
+ {
+ data = 0x00;
+ }
+ for(j=0;j<8;j++)
+ {
+ if (fdata[src+i] & mask)
+ {
+ if (attr & 0x80)
+ {
+ data ^= (attr & 0x01) << (7-j);
+ }
+ else
+ {
+ data |= (attr & 0x01) << (7-j);
+ }
+ }
+ mask >>= 1;
+ }
+ write_byte(0xb800,dest,data);
+ }
+ else
+ {
+ while (mask > 0)
+ {
+ if (attr & 0x80)
+ {
+ data = read_byte(0xb800,dest);
+ }
+ else
+ {
+ data = 0x00;
+ }
+ for(j=0;j<4;j++)
+ {
+ if (fdata[src+i] & mask)
+ {
+ if (attr & 0x80)
+ {
+ data ^= (attr & 0x03) << ((3-j)*2);
+ }
+ else
+ {
+ data |= (attr & 0x03) << ((3-j)*2);
+ }
+ }
+ mask >>= 1;
+ }
+ write_byte(0xb800,dest,data);
+ dest += 1;
+ }
+ }
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void write_gfx_char_lin(car,attr,xcurs,ycurs,nbcols)
+Bit8u car;Bit8u attr;Bit8u xcurs;Bit8u ycurs;Bit8u nbcols;
+{
+ Bit8u i,j,mask,data;
+ Bit8u *fdata;
+ Bit16u addr,dest,src;
+
+ fdata = &vgafont8;
+ addr=xcurs*8+ycurs*nbcols*64;
+ src = car * 8;
+ for(i=0;i<8;i++)
+ {
+ dest=addr+i*nbcols*8;
+ mask = 0x80;
+ for(j=0;j<8;j++)
+ {
+ data = 0x00;
+ if (fdata[src+i] & mask)
+ {
+ data = attr;
+ }
+ write_byte(0xa000,dest+j,data);
+ mask >>= 1;
+ }
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_write_char_attr (car,page,attr,count)
+Bit8u car;Bit8u page;Bit8u attr;Bit16u count;
+{
+ Bit8u cheight,xcurs,ycurs,mode,line,bpp;
+ Bit16u nbcols,nbrows,address;
+ Bit16u cursor,dummy;
+
+ // Get the mode
+ mode=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE);
+ line=find_vga_entry(mode);
+ if(line==0xFF)return;
+
+ // Get the cursor pos for the page
+ biosfn_get_cursor_pos(page,&dummy,&cursor);
+ xcurs=cursor&0x00ff;ycurs=(cursor&0xff00)>>8;
+
+ // Get the dimensions
+ nbrows=read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1;
+ nbcols=read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+
+ if(vga_modes[line].class==TEXT)
+ {
+ // Compute the address
+ address=SCREEN_MEM_START(nbcols,nbrows,page)+(xcurs+ycurs*nbcols)*2;
+
+ dummy=((Bit16u)attr<<8)+car;
+ memsetw(vga_modes[line].sstart,address,dummy,count);
+ }
+ else
+ {
+ // FIXME gfx mode not complete
+ cheight=video_param_table[line_to_vpti[line]].cheight;
+ bpp=vga_modes[line].pixbits;
+ while((count-->0) && (xcurs<nbcols))
+ {
+ switch(vga_modes[line].memmodel)
+ {
+ case PLANAR4:
+ case PLANAR1:
+ write_gfx_char_pl4(car,attr,xcurs,ycurs,nbcols,cheight);
+ break;
+ case CGA:
+ write_gfx_char_cga(car,attr,xcurs,ycurs,nbcols,bpp);
+ break;
+ case LINEAR8:
+ write_gfx_char_lin(car,attr,xcurs,ycurs,nbcols);
+ break;
+#ifdef DEBUG
+ default:
+ unimplemented();
+#endif
+ }
+ xcurs++;
+ }
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_write_char_only (car,page,attr,count)
+Bit8u car;Bit8u page;Bit8u attr;Bit16u count;
+{
+ Bit8u cheight,xcurs,ycurs,mode,line,bpp;
+ Bit16u nbcols,nbrows,address;
+ Bit16u cursor,dummy;
+
+ // Get the mode
+ mode=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE);
+ line=find_vga_entry(mode);
+ if(line==0xFF)return;
+
+ // Get the cursor pos for the page
+ biosfn_get_cursor_pos(page,&dummy,&cursor);
+ xcurs=cursor&0x00ff;ycurs=(cursor&0xff00)>>8;
+
+ // Get the dimensions
+ nbrows=read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1;
+ nbcols=read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+
+ if(vga_modes[line].class==TEXT)
+ {
+ // Compute the address
+ address=SCREEN_MEM_START(nbcols,nbrows,page)+(xcurs+ycurs*nbcols)*2;
+
+ while(count-->0)
+ {write_byte(vga_modes[line].sstart,address,car);
+ address+=2;
+ }
+ }
+ else
+ {
+ // FIXME gfx mode not complete
+ cheight=video_param_table[line_to_vpti[line]].cheight;
+ bpp=vga_modes[line].pixbits;
+ while((count-->0) && (xcurs<nbcols))
+ {
+ switch(vga_modes[line].memmodel)
+ {
+ case PLANAR4:
+ case PLANAR1:
+ write_gfx_char_pl4(car,attr,xcurs,ycurs,nbcols,cheight);
+ break;
+ case CGA:
+ write_gfx_char_cga(car,attr,xcurs,ycurs,nbcols,bpp);
+ break;
+ case LINEAR8:
+ write_gfx_char_lin(car,attr,xcurs,ycurs,nbcols);
+ break;
+#ifdef DEBUG
+ default:
+ unimplemented();
+#endif
+ }
+ xcurs++;
+ }
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_group_0B:
+ cmp bh, #0x00
+ je biosfn_set_border_color
+ cmp bh, #0x01
+ je biosfn_set_palette
+#ifdef DEBUG
+ call _unknown
+#endif
+ ret
+biosfn_set_border_color:
+ push ax
+ push bx
+ push cx
+ push dx
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x00
+ out dx, al
+ mov al, bl
+ and al, #0x0f
+ test al, #0x08
+ jz set_low_border
+ add al, #0x08
+set_low_border:
+ out dx, al
+ mov cl, #0x01
+ and bl, #0x10
+set_intensity_loop:
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, cl
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ and al, #0xef
+ or al, bl
+ mov dx, # VGAREG_ACTL_ADDRESS
+ out dx, al
+ inc cl
+ cmp cl, #0x04
+ jne set_intensity_loop
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop cx
+ pop bx
+ pop ax
+ ret
+biosfn_set_palette:
+ push ax
+ push bx
+ push cx
+ push dx
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov cl, #0x01
+ and bl, #0x01
+set_cga_palette_loop:
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, cl
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ and al, #0xfe
+ or al, bl
+ mov dx, # VGAREG_ACTL_ADDRESS
+ out dx, al
+ inc cl
+ cmp cl, #0x04
+ jne set_cga_palette_loop
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop cx
+ pop bx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_write_pixel (BH,AL,CX,DX) Bit8u BH;Bit8u AL;Bit16u CX;Bit16u DX;
+{
+ Bit8u mode,line,mask,attr,data;
+ Bit16u addr;
+
+ // Get the mode
+ mode=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE);
+ line=find_vga_entry(mode);
+ if(line==0xFF)return;
+ if(vga_modes[line].class==TEXT)return;
+
+ switch(vga_modes[line].memmodel)
+ {
+ case PLANAR4:
+ case PLANAR1:
+ addr = CX/8+DX*read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+ mask = 0x80 >> (CX & 0x07);
+ outw(VGAREG_GRDC_ADDRESS, (mask << 8) | 0x08);
+ outw(VGAREG_GRDC_ADDRESS, 0x0205);
+ data = read_byte(0xa000,addr);
+ if (AL & 0x80)
+ {
+ outw(VGAREG_GRDC_ADDRESS, 0x1803);
+ }
+ write_byte(0xa000,addr,AL);
+ASM_START
+ mov dx, # VGAREG_GRDC_ADDRESS
+ mov ax, #0xff08
+ out dx, ax
+ mov ax, #0x0005
+ out dx, ax
+ mov ax, #0x0003
+ out dx, ax
+ASM_END
+ break;
+ case CGA:
+ if(vga_modes[line].pixbits==2)
+ {
+ addr=(CX>>2)+(DX>>1)*80;
+ }
+ else
+ {
+ addr=(CX>>3)+(DX>>1)*80;
+ }
+ if (DX & 1) addr += 0x2000;
+ data = read_byte(0xb800,addr);
+ if(vga_modes[line].pixbits==2)
+ {
+ attr = (AL & 0x03) << ((3 - (CX & 0x03)) * 2);
+ mask = 0x03 << ((3 - (CX & 0x03)) * 2);
+ }
+ else
+ {
+ attr = (AL & 0x01) << (7 - (CX & 0x07));
+ mask = 0x01 << (7 - (CX & 0x07));
+ }
+ if (AL & 0x80)
+ {
+ data ^= attr;
+ }
+ else
+ {
+ data &= ~mask;
+ data |= attr;
+ }
+ write_byte(0xb800,addr,data);
+ break;
+ case LINEAR8:
+ addr=CX+DX*(read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS)*8);
+ write_byte(0xa000,addr,AL);
+ break;
+#ifdef DEBUG
+ default:
+ unimplemented();
+#endif
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_read_pixel (BH,CX,DX,AX) Bit8u BH;Bit16u CX;Bit16u DX;Bit16u *AX;
+{
+ Bit8u mode,line,mask,attr,data,i;
+ Bit16u addr;
+ Bit16u ss=get_SS();
+
+ // Get the mode
+ mode=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE);
+ line=find_vga_entry(mode);
+ if(line==0xFF)return;
+ if(vga_modes[line].class==TEXT)return;
+
+ switch(vga_modes[line].memmodel)
+ {
+ case PLANAR4:
+ case PLANAR1:
+ addr = CX/8+DX*read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+ mask = 0x80 >> (CX & 0x07);
+ attr = 0x00;
+ for(i=0;i<4;i++)
+ {
+ outw(VGAREG_GRDC_ADDRESS, (i << 8) | 0x04);
+ data = read_byte(0xa000,addr) & mask;
+ if (data > 0) attr |= (0x01 << i);
+ }
+ break;
+ case CGA:
+ addr=(CX>>2)+(DX>>1)*80;
+ if (DX & 1) addr += 0x2000;
+ data = read_byte(0xb800,addr);
+ if(vga_modes[line].pixbits==2)
+ {
+ attr = (data >> ((3 - (CX & 0x03)) * 2)) & 0x03;
+ }
+ else
+ {
+ attr = (data >> (7 - (CX & 0x07))) & 0x01;
+ }
+ break;
+ case LINEAR8:
+ addr=CX+DX*(read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS)*8);
+ attr=read_byte(0xa000,addr);
+ break;
+ default:
+#ifdef DEBUG
+ unimplemented();
+#endif
+ attr = 0;
+ }
+ write_word(ss,AX,(read_word(ss,AX) & 0xff00) | attr);
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_write_teletype (car, page, attr, flag)
+Bit8u car;Bit8u page;Bit8u attr;Bit8u flag;
+{// flag = WITH_ATTR / NO_ATTR
+
+ Bit8u cheight,xcurs,ycurs,mode,line,bpp;
+ Bit16u nbcols,nbrows,address;
+ Bit16u cursor,dummy;
+
+ // special case if page is 0xff, use current page
+ if(page==0xff)
+ page=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE);
+
+ // Get the mode
+ mode=read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE);
+ line=find_vga_entry(mode);
+ if(line==0xFF)return;
+
+ // Get the cursor pos for the page
+ biosfn_get_cursor_pos(page,&dummy,&cursor);
+ xcurs=cursor&0x00ff;ycurs=(cursor&0xff00)>>8;
+
+ // Get the dimensions
+ nbrows=read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1;
+ nbcols=read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+
+ switch(car)
+ {
+ case 7:
+ //FIXME should beep
+ break;
+
+ case 8:
+ if(xcurs>0)xcurs--;
+ break;
+
+ case '\r':
+ xcurs=0;
+ break;
+
+ case '\n':
+ ycurs++;
+ break;
+
+ case '\t':
+ do
+ {
+ biosfn_write_teletype(' ',page,attr,flag);
+ biosfn_get_cursor_pos(page,&dummy,&cursor);
+ xcurs=cursor&0x00ff;ycurs=(cursor&0xff00)>>8;
+ }while(xcurs%8==0);
+ break;
+
+ default:
+
+ if(vga_modes[line].class==TEXT)
+ {
+ // Compute the address
+ address=SCREEN_MEM_START(nbcols,nbrows,page)+(xcurs+ycurs*nbcols)*2;
+
+ // Write the char
+ write_byte(vga_modes[line].sstart,address,car);
+
+ if(flag==WITH_ATTR)
+ write_byte(vga_modes[line].sstart,address+1,attr);
+ }
+ else
+ {
+ // FIXME gfx mode not complete
+ cheight=video_param_table[line_to_vpti[line]].cheight;
+ bpp=vga_modes[line].pixbits;
+ switch(vga_modes[line].memmodel)
+ {
+ case PLANAR4:
+ case PLANAR1:
+ write_gfx_char_pl4(car,attr,xcurs,ycurs,nbcols,cheight);
+ break;
+ case CGA:
+ write_gfx_char_cga(car,attr,xcurs,ycurs,nbcols,bpp);
+ break;
+ case LINEAR8:
+ write_gfx_char_lin(car,attr,xcurs,ycurs,nbcols);
+ break;
+#ifdef DEBUG
+ default:
+ unimplemented();
+#endif
+ }
+ }
+ xcurs++;
+ }
+
+ // Do we need to wrap ?
+ if(xcurs==nbcols)
+ {xcurs=0;
+ ycurs++;
+ }
+
+ // Do we need to scroll ?
+ if(ycurs==nbrows)
+ {
+ if(vga_modes[line].class==TEXT)
+ {
+ address=SCREEN_MEM_START(nbcols,nbrows,page)+(xcurs+(ycurs-1)*nbcols)*2;
+ attr=read_byte(vga_modes[line].sstart,address+1);
+ biosfn_scroll(0x01,attr,0,0,nbrows-1,nbcols-1,page,SCROLL_UP);
+ }
+ else
+ {
+ biosfn_scroll(0x01,0x00,0,0,nbrows-1,nbcols-1,page,SCROLL_UP);
+ }
+ ycurs-=1;
+ }
+
+ // Set the cursor for the page
+ cursor=ycurs; cursor<<=8; cursor+=xcurs;
+ biosfn_set_cursor_pos(page,cursor);
+}
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_get_video_mode:
+ push ds
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ push bx
+ mov bx, # BIOSMEM_CURRENT_PAGE
+ mov al, [bx]
+ pop bx
+ mov bh, al
+ push bx
+ mov bx, # BIOSMEM_VIDEO_CTL
+ mov ah, [bx]
+ and ah, #0x80
+ mov bx, # BIOSMEM_CURRENT_MODE
+ mov al, [bx]
+ or al, ah
+ mov bx, # BIOSMEM_NB_COLS
+ mov ah, [bx]
+ pop bx
+ pop ds
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_group_10:
+ cmp al, #0x00
+ jne int10_test_1001
+ jmp biosfn_set_single_palette_reg
+int10_test_1001:
+ cmp al, #0x01
+ jne int10_test_1002
+ jmp biosfn_set_overscan_border_color
+int10_test_1002:
+ cmp al, #0x02
+ jne int10_test_1003
+ jmp biosfn_set_all_palette_reg
+int10_test_1003:
+ cmp al, #0x03
+ jne int10_test_1007
+ jmp biosfn_toggle_intensity
+int10_test_1007:
+ cmp al, #0x07
+ jne int10_test_1008
+ jmp biosfn_get_single_palette_reg
+int10_test_1008:
+ cmp al, #0x08
+ jne int10_test_1009
+ jmp biosfn_read_overscan_border_color
+int10_test_1009:
+ cmp al, #0x09
+ jne int10_test_1010
+ jmp biosfn_get_all_palette_reg
+int10_test_1010:
+ cmp al, #0x10
+ jne int10_test_1012
+ jmp biosfn_set_single_dac_reg
+int10_test_1012:
+ cmp al, #0x12
+ jne int10_test_1013
+ jmp biosfn_set_all_dac_reg
+int10_test_1013:
+ cmp al, #0x13
+ jne int10_test_1015
+ jmp biosfn_select_video_dac_color_page
+int10_test_1015:
+ cmp al, #0x15
+ jne int10_test_1017
+ jmp biosfn_read_single_dac_reg
+int10_test_1017:
+ cmp al, #0x17
+ jne int10_test_1018
+ jmp biosfn_read_all_dac_reg
+int10_test_1018:
+ cmp al, #0x18
+ jne int10_test_1019
+ jmp biosfn_set_pel_mask
+int10_test_1019:
+ cmp al, #0x19
+ jne int10_test_101A
+ jmp biosfn_read_pel_mask
+int10_test_101A:
+ cmp al, #0x1a
+ jne int10_group_10_unknown
+ jmp biosfn_read_video_dac_state
+int10_group_10_unknown:
+#ifdef DEBUG
+ call _unknown
+#endif
+ ret
+
+biosfn_set_single_palette_reg:
+ cmp bl, #0x14
+ ja no_actl_reg1
+ push ax
+ push dx
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, bl
+ out dx, al
+ mov al, bh
+ out dx, al
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop ax
+no_actl_reg1:
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_set_overscan_border_color:
+ push bx
+ mov bl, #0x11
+ call biosfn_set_single_palette_reg
+ pop bx
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_set_all_palette_reg:
+ push ax
+ push bx
+ push cx
+ push dx
+ mov bx, dx
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov cl, #0x00
+ mov dx, # VGAREG_ACTL_ADDRESS
+set_palette_loop:
+ mov al, cl
+ out dx, al
+ seg es
+ mov al, [bx]
+ out dx, al
+ inc bx
+ inc cl
+ cmp cl, #0x10
+ jne set_palette_loop
+ mov al, #0x11
+ out dx, al
+ seg es
+ mov al, [bx]
+ out dx, al
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop cx
+ pop bx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_toggle_intensity:
+ push ax
+ push bx
+ push dx
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x10
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ and al, #0xf7
+ and bl, #0x01
+ shl bl, 3
+ or al, bl
+ mov dx, # VGAREG_ACTL_ADDRESS
+ out dx, al
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop bx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_get_single_palette_reg:
+ cmp bl, #0x14
+ ja no_actl_reg2
+ push ax
+ push dx
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, bl
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ mov bh, al
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop ax
+no_actl_reg2:
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_read_overscan_border_color:
+ push ax
+ push bx
+ mov bl, #0x11
+ call biosfn_get_single_palette_reg
+ mov al, bh
+ pop bx
+ mov bh, al
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_get_all_palette_reg:
+ push ax
+ push bx
+ push cx
+ push dx
+ mov bx, dx
+ mov cl, #0x00
+get_palette_loop:
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, cl
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ seg es
+ mov [bx], al
+ inc bx
+ inc cl
+ cmp cl, #0x10
+ jne get_palette_loop
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x11
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ seg es
+ mov [bx], al
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop cx
+ pop bx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_set_single_dac_reg:
+ push ax
+ push dx
+ mov dx, # VGAREG_DAC_WRITE_ADDRESS
+ mov al, bl
+ out dx, al
+ mov dx, # VGAREG_DAC_DATA
+ pop ax
+ push ax
+ mov al, ah
+ out dx, al
+ mov al, ch
+ out dx, al
+ mov al, cl
+ out dx, al
+ pop dx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_set_all_dac_reg:
+ push ax
+ push bx
+ push cx
+ push dx
+ mov dx, # VGAREG_DAC_WRITE_ADDRESS
+ mov al, bl
+ out dx, al
+ pop dx
+ push dx
+ mov bx, dx
+ mov dx, # VGAREG_DAC_DATA
+set_dac_loop:
+ seg es
+ mov al, [bx]
+ out dx, al
+ inc bx
+ seg es
+ mov al, [bx]
+ out dx, al
+ inc bx
+ seg es
+ mov al, [bx]
+ out dx, al
+ inc bx
+ dec cx
+ jnz set_dac_loop
+ pop dx
+ pop cx
+ pop bx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_select_video_dac_color_page:
+ push ax
+ push bx
+ push dx
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x10
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ and bl, #0x01
+ jnz set_dac_page
+ and al, #0x7f
+ shl bh, 7
+ or al, bh
+ mov dx, # VGAREG_ACTL_ADDRESS
+ out dx, al
+ jmp set_actl_normal
+set_dac_page:
+ push ax
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x14
+ out dx, al
+ pop ax
+ and al, #0x80
+ jnz set_dac_16_page
+ shl bh, 2
+set_dac_16_page:
+ and bh, #0x0f
+ mov al, bh
+ out dx, al
+set_actl_normal:
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop bx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_read_single_dac_reg:
+ push ax
+ push dx
+ mov dx, # VGAREG_DAC_READ_ADDRESS
+ mov al, bl
+ out dx, al
+ pop ax
+ mov ah, al
+ mov dx, # VGAREG_DAC_DATA
+ in al, dx
+ xchg al, ah
+ push ax
+ in al, dx
+ mov ch, al
+ in al, dx
+ mov cl, al
+ pop dx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_read_all_dac_reg:
+ push ax
+ push bx
+ push cx
+ push dx
+ mov dx, # VGAREG_DAC_READ_ADDRESS
+ mov al, bl
+ out dx, al
+ pop dx
+ push dx
+ mov bx, dx
+ mov dx, # VGAREG_DAC_DATA
+read_dac_loop:
+ in al, dx
+ seg es
+ mov [bx], al
+ inc bx
+ in al, dx
+ seg es
+ mov [bx], al
+ inc bx
+ in al, dx
+ seg es
+ mov [bx], al
+ inc bx
+ dec cx
+ jnz read_dac_loop
+ pop dx
+ pop cx
+ pop bx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_set_pel_mask:
+ push ax
+ push dx
+ mov dx, # VGAREG_PEL_MASK
+ mov al, bl
+ out dx, al
+ pop dx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_read_pel_mask:
+ push ax
+ push dx
+ mov dx, # VGAREG_PEL_MASK
+ in al, dx
+ mov bl, al
+ pop dx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_read_video_dac_state:
+ push ax
+ push dx
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x10
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ mov bl, al
+ shr bl, 7
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x14
+ out dx, al
+ mov dx, # VGAREG_ACTL_READ_DATA
+ in al, dx
+ mov bh, al
+ and bh, #0x0f
+ test bl, #0x01
+ jnz get_dac_16_page
+ shr bh, 2
+get_dac_16_page:
+ mov dx, # VGAREG_ACTL_RESET
+ in al, dx
+ mov dx, # VGAREG_ACTL_ADDRESS
+ mov al, #0x20
+ out dx, al
+ pop dx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_perform_gray_scale_summing (start,count)
+Bit16u start;Bit16u count;
+{Bit8u r,g,b;
+ Bit16u i;
+ Bit16u index;
+
+ inb(VGAREG_ACTL_RESET);
+ outb(VGAREG_ACTL_ADDRESS,0x00);
+
+ for( index = 0; index < count; index++ )
+ {
+ // set read address and switch to read mode
+ outb(VGAREG_DAC_READ_ADDRESS,start);
+ // get 6-bit wide RGB data values
+ r=inb( VGAREG_DAC_DATA );
+ g=inb( VGAREG_DAC_DATA );
+ b=inb( VGAREG_DAC_DATA );
+
+ // intensity = ( 0.3 * Red ) + ( 0.59 * Green ) + ( 0.11 * Blue )
+ i = ( ( 77*r + 151*g + 28*b ) + 0x80 ) >> 8;
+
+ if(i>0x3f)i=0x3f;
+
+ // set write address and switch to write mode
+ outb(VGAREG_DAC_WRITE_ADDRESS,start);
+ // write new intensity value
+ outb( VGAREG_DAC_DATA, i&0xff );
+ outb( VGAREG_DAC_DATA, i&0xff );
+ outb( VGAREG_DAC_DATA, i&0xff );
+ start++;
+ }
+ inb(VGAREG_ACTL_RESET);
+ outb(VGAREG_ACTL_ADDRESS,0x20);
+}
+
+// --------------------------------------------------------------------------------------------
+static void get_font_access()
+{
+ASM_START
+ mov dx, # VGAREG_SEQU_ADDRESS
+ mov ax, #0x0100
+ out dx, ax
+ mov ax, #0x0402
+ out dx, ax
+ mov ax, #0x0704
+ out dx, ax
+ mov ax, #0x0300
+ out dx, ax
+ mov dx, # VGAREG_GRDC_ADDRESS
+ mov ax, #0x0204
+ out dx, ax
+ mov ax, #0x0005
+ out dx, ax
+ mov ax, #0x0406
+ out dx, ax
+ASM_END
+}
+
+static void release_font_access()
+{
+ASM_START
+ mov dx, # VGAREG_SEQU_ADDRESS
+ mov ax, #0x0100
+ out dx, ax
+ mov ax, #0x0302
+ out dx, ax
+ mov ax, #0x0304
+ out dx, ax
+ mov ax, #0x0300
+ out dx, ax
+ mov dx, # VGAREG_READ_MISC_OUTPUT
+ in al, dx
+ and al, #0x01
+ shl al, 2
+ or al, #0x0a
+ mov ah, al
+ mov al, #0x06
+ mov dx, # VGAREG_GRDC_ADDRESS
+ out dx, ax
+ mov ax, #0x0004
+ out dx, ax
+ mov ax, #0x1005
+ out dx, ax
+ASM_END
+}
+
+ASM_START
+idiv_u:
+ xor dx,dx
+ div bx
+ ret
+ASM_END
+
+static void set_scan_lines(lines) Bit8u lines;
+{
+ Bit16u crtc_addr,cols,page,vde;
+ Bit8u crtc_r9,ovl,rows;
+
+ crtc_addr = read_word(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS);
+ outb(crtc_addr, 0x09);
+ crtc_r9 = inb(crtc_addr+1);
+ crtc_r9 = (crtc_r9 & 0xe0) | (lines - 1);
+ outb(crtc_addr+1, crtc_r9);
+ if(lines==8)
+ {
+ biosfn_set_cursor_shape(0x06,0x07);
+ }
+ else
+ {
+ biosfn_set_cursor_shape(lines-4,lines-3);
+ }
+ write_word(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT, lines);
+ outb(crtc_addr, 0x12);
+ vde = inb(crtc_addr+1);
+ outb(crtc_addr, 0x07);
+ ovl = inb(crtc_addr+1);
+ vde += (((ovl & 0x02) << 7) + ((ovl & 0x40) << 3) + 1);
+ rows = vde / lines;
+ write_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS, rows-1);
+ cols = read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS);
+ write_word(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE, rows * cols * 2);
+}
+
+static void biosfn_load_text_user_pat (AL,ES,BP,CX,DX,BL,BH) Bit8u AL;Bit16u ES;Bit16u BP;Bit16u CX;Bit16u DX;Bit8u BL;Bit8u BH;
+{
+ Bit16u blockaddr,dest,i,src;
+
+ get_font_access();
+ blockaddr = ((BL & 0x03) << 14) + ((BL & 0x04) << 11);
+ for(i=0;i<CX;i++)
+ {
+ src = BP + i * BH;
+ dest = blockaddr + (DX + i) * 32;
+ memcpyb(0xA000, dest, ES, src, BH);
+ }
+ release_font_access();
+ if(AL>=0x10)
+ {
+ set_scan_lines(BH);
+ }
+}
+
+static void biosfn_load_text_8_14_pat (AL,BL) Bit8u AL;Bit8u BL;
+{
+ Bit16u blockaddr,dest,i,src;
+
+ get_font_access();
+ blockaddr = ((BL & 0x03) << 14) + ((BL & 0x04) << 11);
+ for(i=0;i<0x100;i++)
+ {
+ src = i * 14;
+ dest = blockaddr + i * 32;
+ memcpyb(0xA000, dest, 0xC000, vgafont14+src, 14);
+ }
+ release_font_access();
+ if(AL>=0x10)
+ {
+ set_scan_lines(14);
+ }
+}
+
+static void biosfn_load_text_8_8_pat (AL,BL) Bit8u AL;Bit8u BL;
+{
+ Bit16u blockaddr,dest,i,src;
+
+ get_font_access();
+ blockaddr = ((BL & 0x03) << 14) + ((BL & 0x04) << 11);
+ for(i=0;i<0x100;i++)
+ {
+ src = i * 8;
+ dest = blockaddr + i * 32;
+ memcpyb(0xA000, dest, 0xC000, vgafont8+src, 8);
+ }
+ release_font_access();
+ if(AL>=0x10)
+ {
+ set_scan_lines(8);
+ }
+}
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_set_text_block_specifier:
+ push ax
+ push dx
+ mov dx, # VGAREG_SEQU_ADDRESS
+ mov ah, bl
+ mov al, #0x03
+ out dx, ax
+ pop dx
+ pop ax
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_load_text_8_16_pat (AL,BL) Bit8u AL;Bit8u BL;
+{
+ Bit16u blockaddr,dest,i,src;
+
+ get_font_access();
+ blockaddr = ((BL & 0x03) << 14) + ((BL & 0x04) << 11);
+ for(i=0;i<0x100;i++)
+ {
+ src = i * 16;
+ dest = blockaddr + i * 32;
+ memcpyb(0xA000, dest, 0xC000, vgafont16+src, 16);
+ }
+ release_font_access();
+ if(AL>=0x10)
+ {
+ set_scan_lines(16);
+ }
+}
+
+static void biosfn_load_gfx_8_8_chars (ES,BP) Bit16u ES;Bit16u BP;
+{
+#ifdef DEBUG
+ unimplemented();
+#endif
+}
+static void biosfn_load_gfx_user_chars (ES,BP,CX,BL,DL) Bit16u ES;Bit16u BP;Bit16u CX;Bit8u BL;Bit8u DL;
+{
+#ifdef DEBUG
+ unimplemented();
+#endif
+}
+static void biosfn_load_gfx_8_14_chars (BL) Bit8u BL;
+{
+#ifdef DEBUG
+ unimplemented();
+#endif
+}
+static void biosfn_load_gfx_8_8_dd_chars (BL) Bit8u BL;
+{
+#ifdef DEBUG
+ unimplemented();
+#endif
+}
+static void biosfn_load_gfx_8_16_chars (BL) Bit8u BL;
+{
+#ifdef DEBUG
+ unimplemented();
+#endif
+}
+// --------------------------------------------------------------------------------------------
+static void biosfn_get_font_info (BH,ES,BP,CX,DX)
+Bit8u BH;Bit16u *ES;Bit16u *BP;Bit16u *CX;Bit16u *DX;
+{Bit16u ss=get_SS();
+
+ switch(BH)
+ {case 0x00:
+ write_word(ss,ES,read_word(0x00,0x1f*4));
+ write_word(ss,BP,read_word(0x00,(0x1f*4)+2));
+ break;
+ case 0x01:
+ write_word(ss,ES,read_word(0x00,0x43*4));
+ write_word(ss,BP,read_word(0x00,(0x43*4)+2));
+ break;
+ case 0x02:
+ write_word(ss,ES,0xC000);
+ write_word(ss,BP,vgafont14);
+ break;
+ case 0x03:
+ write_word(ss,ES,0xC000);
+ write_word(ss,BP,vgafont8);
+ break;
+ case 0x04:
+ write_word(ss,ES,0xC000);
+ write_word(ss,BP,vgafont8+128*8);
+ break;
+ case 0x05:
+ write_word(ss,ES,0xC000);
+ write_word(ss,BP,vgafont14alt);
+ break;
+ case 0x06:
+ write_word(ss,ES,0xC000);
+ write_word(ss,BP,vgafont16);
+ break;
+ case 0x07:
+ write_word(ss,ES,0xC000);
+ write_word(ss,BP,vgafont16alt);
+ break;
+ default:
+ #ifdef DEBUG
+ printf("Get font info BH(%02x) was discarded\n",BH);
+ #endif
+ return;
+ }
+ // Set byte/char of on screen font
+ write_word(ss,CX,(Bit16u)read_byte(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT));
+
+ // Set Highest char row
+ write_word(ss,DX,(Bit16u)read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS));
+}
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_get_ega_info:
+ push ds
+ push ax
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ xor ch, ch
+ mov bx, # BIOSMEM_SWITCHES
+ mov cl, [bx]
+ and cl, #0x0f
+ mov bx, # BIOSMEM_CRTC_ADDRESS
+ mov ax, [bx]
+ mov bx, #0x0003
+ cmp ax, # VGAREG_MDA_CRTC_ADDRESS
+ jne mode_ega_color
+ mov bh, #0x01
+mode_ega_color:
+ pop ax
+ pop ds
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_alternate_prtsc()
+{
+#ifdef DEBUG
+ unimplemented();
+#endif
+}
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_select_vert_res:
+
+; res : 00 200 lines, 01 350 lines, 02 400 lines
+
+ push ds
+ push bx
+ push dx
+ mov dl, al
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ mov bx, # BIOSMEM_MODESET_CTL
+ mov al, [bx]
+ mov bx, # BIOSMEM_SWITCHES
+ mov ah, [bx]
+ cmp dl, #0x01
+ je vert_res_350
+ jb vert_res_200
+ cmp dl, #0x02
+ je vert_res_400
+#ifdef DEBUG
+ mov al, dl
+ xor ah, ah
+ push ax
+ mov bx, #msg_vert_res
+ push bx
+ call _printf
+ add sp, #4
+#endif
+ jmp set_retcode
+vert_res_400:
+
+ ; reset modeset ctl bit 7 and set bit 4
+ ; set switches bit 3-0 to 0x09
+
+ and al, #0x7f
+ or al, #0x10
+ and ah, #0xf0
+ or ah, #0x09
+ jnz set_vert_res
+vert_res_350:
+
+ ; reset modeset ctl bit 7 and bit 4
+ ; set switches bit 3-0 to 0x09
+
+ and al, #0x6f
+ and ah, #0xf0
+ or ah, #0x09
+ jnz set_vert_res
+vert_res_200:
+
+ ; set modeset ctl bit 7 and reset bit 4
+ ; set switches bit 3-0 to 0x08
+
+ and al, #0xef
+ or al, #0x80
+ and ah, #0xf0
+ or ah, #0x08
+set_vert_res:
+ mov bx, # BIOSMEM_MODESET_CTL
+ mov [bx], al
+ mov bx, # BIOSMEM_SWITCHES
+ mov [bx], ah
+set_retcode:
+ mov ax, #0x1212
+ pop dx
+ pop bx
+ pop ds
+ ret
+
+#ifdef DEBUG
+msg_vert_res:
+.ascii "Select vert res (%02x) was discarded"
+.byte 0x0d,0x0a,0x00
+#endif
+
+
+biosfn_enable_default_palette_loading:
+ push ds
+ push bx
+ push dx
+ mov dl, al
+ and dl, #0x01
+ shl dl, 3
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ mov bx, # BIOSMEM_MODESET_CTL
+ mov al, [bx]
+ and al, #0xf7
+ or al, dl
+ mov [bx], al
+ mov ax, #0x1212
+ pop dx
+ pop bx
+ pop ds
+ ret
+
+
+biosfn_enable_video_addressing:
+ push bx
+ push dx
+ mov bl, al
+ and bl, #0x01
+ xor bl, #0x01
+ shl bl, 1
+ mov dx, # VGAREG_READ_MISC_OUTPUT
+ in al, dx
+ and al, #0xfd
+ or al, bl
+ mov dx, # VGAREG_WRITE_MISC_OUTPUT
+ out dx, al
+ mov ax, #0x1212
+ pop dx
+ pop bx
+ ret
+
+
+biosfn_enable_grayscale_summing:
+ push ds
+ push bx
+ push dx
+ mov dl, al
+ and dl, #0x01
+ xor dl, #0x01
+ shl dl, 1
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ mov bx, # BIOSMEM_MODESET_CTL
+ mov al, [bx]
+ and al, #0xfd
+ or al, dl
+ mov [bx], al
+ mov ax, #0x1212
+ pop dx
+ pop bx
+ pop ds
+ ret
+
+
+biosfn_enable_cursor_emulation:
+ push ds
+ push bx
+ push dx
+ mov dl, al
+ and dl, #0x01
+ xor dl, #0x01
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ mov bx, # BIOSMEM_MODESET_CTL
+ mov al, [bx]
+ and al, #0xfe
+ or al, dl
+ mov [bx], al
+ mov ax, #0x1212
+ pop dx
+ pop bx
+ pop ds
+ ret
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_switch_video_interface (AL,ES,DX) Bit8u AL;Bit16u ES;Bit16u DX;
+{
+#ifdef DEBUG
+ unimplemented();
+#endif
+}
+static void biosfn_enable_video_refresh_control (AL) Bit8u AL;
+{
+#ifdef DEBUG
+ unimplemented();
+#endif
+}
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_write_string (flag,page,attr,count,row,col,seg,offset)
+Bit8u flag;Bit8u page;Bit8u attr;Bit16u count;Bit8u row;Bit8u col;Bit16u seg;Bit16u offset;
+{
+ Bit16u newcurs,oldcurs,dummy;
+ Bit8u car,carattr;
+
+ // Read curs info for the page
+ biosfn_get_cursor_pos(page,&dummy,&oldcurs);
+
+ // if row=0xff special case : use current cursor position
+ if(row==0xff)
+ {col=oldcurs&0x00ff;
+ row=(oldcurs&0xff00)>>8;
+ }
+
+ newcurs=row; newcurs<<=8; newcurs+=col;
+ biosfn_set_cursor_pos(page,newcurs);
+
+ while(count--!=0)
+ {
+ car=read_byte(seg,offset++);
+ if((flag&0x02)!=0)
+ attr=read_byte(seg,offset++);
+
+ biosfn_write_teletype(car,page,attr,WITH_ATTR);
+ }
+
+ // Set back curs pos
+ if((flag&0x01)==0)
+ biosfn_set_cursor_pos(page,oldcurs);
+}
+
+// --------------------------------------------------------------------------------------------
+ASM_START
+biosfn_group_1A:
+ cmp al, #0x00
+ je biosfn_read_display_code
+ cmp al, #0x01
+ je biosfn_set_display_code
+#ifdef DEBUG
+ call _unknown
+#endif
+ ret
+biosfn_read_display_code:
+ push ds
+ push ax
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ mov bx, # BIOSMEM_DCC_INDEX
+ mov al, [bx]
+ mov bl, al
+ xor bh, bh
+ pop ax
+ mov al, ah
+ pop ds
+ ret
+biosfn_set_display_code:
+ push ds
+ push ax
+ push bx
+ mov ax, # BIOSMEM_SEG
+ mov ds, ax
+ mov ax, bx
+ mov bx, # BIOSMEM_DCC_INDEX
+ mov [bx], al
+#ifdef DEBUG
+ mov al, ah
+ xor ah, ah
+ push ax
+ mov bx, #msg_alt_dcc
+ push bx
+ call _printf
+ add sp, #4
+#endif
+ pop bx
+ pop ax
+ mov al, ah
+ pop ds
+ ret
+
+#ifdef DEBUG
+msg_alt_dcc:
+.ascii "Alternate Display code (%02x) was discarded"
+.byte 0x0d,0x0a,0x00
+#endif
+ASM_END
+
+// --------------------------------------------------------------------------------------------
+static void biosfn_read_state_info (BX,ES,DI)
+Bit16u BX;Bit16u ES;Bit16u DI;
+{
+ // Address of static functionality table
+ write_word(ES,DI+0x00,&static_functionality);
+ write_word(ES,DI+0x02,0xC000);
+
+ // Hard coded copy from BIOS area. Should it be cleaner ?
+ memcpyb(ES,DI+0x04,BIOSMEM_SEG,0x49,30);
+ memcpyb(ES,DI+0x22,BIOSMEM_SEG,0x84,3);
+
+ write_byte(ES,DI+0x25,read_byte(BIOSMEM_SEG,BIOSMEM_DCC_INDEX));
+ write_byte(ES,DI+0x26,0);
+ write_byte(ES,DI+0x27,16);
+ write_byte(ES,DI+0x28,0);
+ write_byte(ES,DI+0x29,8);
+ write_byte(ES,DI+0x2a,2);
+ write_byte(ES,DI+0x2b,0);
+ write_byte(ES,DI+0x2c,0);
+ write_byte(ES,DI+0x31,3);
+ write_byte(ES,DI+0x32,0);
+
+ memsetb(ES,DI+0x33,0,13);
+}
+
+// --------------------------------------------------------------------------------------------
+// --------------------------------------------------------------------------------------------
+static Bit16u biosfn_read_video_state_size2 (CX)
+ Bit16u CX;
+{
+ Bit16u size;
+ size = 0;
+ if (CX & 1) {
+ size += 0x46;
+ }
+ if (CX & 2) {
+ size += (5 + 8 + 5) * 2 + 6;
+ }
+ if (CX & 4) {
+ size += 3 + 256 * 3 + 1;
+}
+ return size;
+}
+
+static void biosfn_read_video_state_size (CX, BX)
+ Bit16u CX; Bit16u *BX;
+{
+ Bit16u ss=get_SS();
+ write_word(ss, BX, biosfn_read_video_state_size2(CX));
+}
+
+static Bit16u biosfn_save_video_state (CX,ES,BX)
+ Bit16u CX;Bit16u ES;Bit16u BX;
+{
+ Bit16u i, v, crtc_addr, ar_index;
+
+ crtc_addr = read_word(BIOSMEM_SEG, BIOSMEM_CRTC_ADDRESS);
+ if (CX & 1) {
+ write_byte(ES, BX, inb(VGAREG_SEQU_ADDRESS)); BX++;
+ write_byte(ES, BX, inb(crtc_addr)); BX++;
+ write_byte(ES, BX, inb(VGAREG_GRDC_ADDRESS)); BX++;
+ inb(VGAREG_ACTL_RESET);
+ ar_index = inb(VGAREG_ACTL_ADDRESS);
+ write_byte(ES, BX, ar_index); BX++;
+ write_byte(ES, BX, inb(VGAREG_READ_FEATURE_CTL)); BX++;
+
+ for(i=1;i<=4;i++){
+ outb(VGAREG_SEQU_ADDRESS, i);
+ write_byte(ES, BX, inb(VGAREG_SEQU_DATA)); BX++;
+ }
+ outb(VGAREG_SEQU_ADDRESS, 0);
+ write_byte(ES, BX, inb(VGAREG_SEQU_DATA)); BX++;
+
+ for(i=0;i<=0x18;i++) {
+ outb(crtc_addr,i);
+ write_byte(ES, BX, inb(crtc_addr+1)); BX++;
+ }
+
+ for(i=0;i<=0x13;i++) {
+ inb(VGAREG_ACTL_RESET);
+ outb(VGAREG_ACTL_ADDRESS, i | (ar_index & 0x20));
+ write_byte(ES, BX, inb(VGAREG_ACTL_READ_DATA)); BX++;
+ }
+ inb(VGAREG_ACTL_RESET);
+
+ for(i=0;i<=8;i++) {
+ outb(VGAREG_GRDC_ADDRESS,i);
+ write_byte(ES, BX, inb(VGAREG_GRDC_DATA)); BX++;
+ }
+
+ write_word(ES, BX, crtc_addr); BX+= 2;
+
+ /* XXX: read plane latches */
+ write_byte(ES, BX, 0); BX++;
+ write_byte(ES, BX, 0); BX++;
+ write_byte(ES, BX, 0); BX++;
+ write_byte(ES, BX, 0); BX++;
+ }
+ if (CX & 2) {
+ write_byte(ES, BX, read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE)); BX++;
+ write_word(ES, BX, read_word(BIOSMEM_SEG,BIOSMEM_NB_COLS)); BX += 2;
+ write_word(ES, BX, read_word(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE)); BX += 2;
+ write_word(ES, BX, read_word(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS)); BX += 2;
+ write_byte(ES, BX, read_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS)); BX++;
+ write_word(ES, BX, read_word(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT)); BX += 2;
+ write_byte(ES, BX, read_byte(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL)); BX++;
+ write_byte(ES, BX, read_byte(BIOSMEM_SEG,BIOSMEM_SWITCHES)); BX++;
+ write_byte(ES, BX, read_byte(BIOSMEM_SEG,BIOSMEM_MODESET_CTL)); BX++;
+ write_word(ES, BX, read_word(BIOSMEM_SEG,BIOSMEM_CURSOR_TYPE)); BX += 2;
+ for(i=0;i<8;i++) {
+ write_word(ES, BX, read_word(BIOSMEM_SEG, BIOSMEM_CURSOR_POS+2*i));
+ BX += 2;
+ }
+ write_word(ES, BX, read_word(BIOSMEM_SEG,BIOSMEM_CURRENT_START)); BX += 2;
+ write_byte(ES, BX, read_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE)); BX++;
+ /* current font */
+ write_word(ES, BX, read_word(0, 0x1f * 4)); BX += 2;
+ write_word(ES, BX, read_word(0, 0x1f * 4 + 2)); BX += 2;
+ write_word(ES, BX, read_word(0, 0x43 * 4)); BX += 2;
+ write_word(ES, BX, read_word(0, 0x43 * 4 + 2)); BX += 2;
+ }
+ if (CX & 4) {
+ /* XXX: check this */
+ write_byte(ES, BX, inb(VGAREG_DAC_STATE)); BX++; /* read/write mode dac */
+ write_byte(ES, BX, inb(VGAREG_DAC_WRITE_ADDRESS)); BX++; /* pix address */
+ write_byte(ES, BX, inb(VGAREG_PEL_MASK)); BX++;
+ // Set the whole dac always, from 0
+ outb(VGAREG_DAC_WRITE_ADDRESS,0x00);
+ for(i=0;i<256*3;i++) {
+ write_byte(ES, BX, inb(VGAREG_DAC_DATA)); BX++;
+ }
+ write_byte(ES, BX, 0); BX++; /* color select register */
+ }
+ return BX;
+}
+
+static Bit16u biosfn_restore_video_state (CX,ES,BX)
+ Bit16u CX;Bit16u ES;Bit16u BX;
+{
+ Bit16u i, crtc_addr, v, addr1, ar_index;
+
+ if (CX & 1) {
+ // Reset Attribute Ctl flip-flop
+ inb(VGAREG_ACTL_RESET);
+
+ crtc_addr = read_word(ES, BX + 0x40);
+ addr1 = BX;
+ BX += 5;
+
+ for(i=1;i<=4;i++){
+ outb(VGAREG_SEQU_ADDRESS, i);
+ outb(VGAREG_SEQU_DATA, read_byte(ES, BX)); BX++;
+ }
+ outb(VGAREG_SEQU_ADDRESS, 0);
+ outb(VGAREG_SEQU_DATA, read_byte(ES, BX)); BX++;
+
+ // Disable CRTC write protection
+ outw(crtc_addr,0x0011);
+ // Set CRTC regs
+ for(i=0;i<=0x18;i++) {
+ if (i != 0x11) {
+ outb(crtc_addr,i);
+ outb(crtc_addr+1, read_byte(ES, BX));
+ }
+ BX++;
+ }
+ // select crtc base address
+ v = inb(VGAREG_READ_MISC_OUTPUT) & ~0x01;
+ if (crtc_addr = 0x3d4)
+ v |= 0x01;
+ outb(VGAREG_WRITE_MISC_OUTPUT, v);
+
+ // enable write protection if needed
+ outb(crtc_addr, 0x11);
+ outb(crtc_addr+1, read_byte(ES, BX - 0x18 + 0x11));
+
+ // Set Attribute Ctl
+ ar_index = read_byte(ES, addr1 + 0x03);
+ inb(VGAREG_ACTL_RESET);
+ for(i=0;i<=0x13;i++) {
+ outb(VGAREG_ACTL_ADDRESS, i | (ar_index & 0x20));
+ outb(VGAREG_ACTL_WRITE_DATA, read_byte(ES, BX)); BX++;
+ }
+ outb(VGAREG_ACTL_ADDRESS, ar_index);
+ inb(VGAREG_ACTL_RESET);
+
+ for(i=0;i<=8;i++) {
+ outb(VGAREG_GRDC_ADDRESS,i);
+ outb(VGAREG_GRDC_DATA, read_byte(ES, BX)); BX++;
+ }
+ BX += 2; /* crtc_addr */
+ BX += 4; /* plane latches */
+
+ outb(VGAREG_SEQU_ADDRESS, read_byte(ES, addr1)); addr1++;
+ outb(crtc_addr, read_byte(ES, addr1)); addr1++;
+ outb(VGAREG_GRDC_ADDRESS, read_byte(ES, addr1)); addr1++;
+ addr1++;
+ outb(crtc_addr - 0x4 + 0xa, read_byte(ES, addr1)); addr1++;
+ }
+ if (CX & 2) {
+ write_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE, read_byte(ES, BX)); BX++;
+ write_word(BIOSMEM_SEG,BIOSMEM_NB_COLS, read_word(ES, BX)); BX += 2;
+ write_word(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE, read_word(ES, BX)); BX += 2;
+ write_word(BIOSMEM_SEG,BIOSMEM_CRTC_ADDRESS, read_word(ES, BX)); BX += 2;
+ write_byte(BIOSMEM_SEG,BIOSMEM_NB_ROWS, read_byte(ES, BX)); BX++;
+ write_word(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT, read_word(ES, BX)); BX += 2;
+ write_byte(BIOSMEM_SEG,BIOSMEM_VIDEO_CTL, read_byte(ES, BX)); BX++;
+ write_byte(BIOSMEM_SEG,BIOSMEM_SWITCHES, read_byte(ES, BX)); BX++;
+ write_byte(BIOSMEM_SEG,BIOSMEM_MODESET_CTL, read_byte(ES, BX)); BX++;
+ write_word(BIOSMEM_SEG,BIOSMEM_CURSOR_TYPE, read_word(ES, BX)); BX += 2;
+ for(i=0;i<8;i++) {
+ write_word(BIOSMEM_SEG, BIOSMEM_CURSOR_POS+2*i, read_word(ES, BX));
+ BX += 2;
+ }
+ write_word(BIOSMEM_SEG,BIOSMEM_CURRENT_START, read_word(ES, BX)); BX += 2;
+ write_byte(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE, read_byte(ES, BX)); BX++;
+ /* current font */
+ write_word(0, 0x1f * 4, read_word(ES, BX)); BX += 2;
+ write_word(0, 0x1f * 4 + 2, read_word(ES, BX)); BX += 2;
+ write_word(0, 0x43 * 4, read_word(ES, BX)); BX += 2;
+ write_word(0, 0x43 * 4 + 2, read_word(ES, BX)); BX += 2;
+ }
+ if (CX & 4) {
+ BX++;
+ v = read_byte(ES, BX); BX++;
+ outb(VGAREG_PEL_MASK, read_byte(ES, BX)); BX++;
+ // Set the whole dac always, from 0
+ outb(VGAREG_DAC_WRITE_ADDRESS,0x00);
+ for(i=0;i<256*3;i++) {
+ outb(VGAREG_DAC_DATA, read_byte(ES, BX)); BX++;
+ }
+ BX++;
+ outb(VGAREG_DAC_WRITE_ADDRESS, v);
+ }
+ return BX;
+}
+
+// ============================================================================================
+//
+// Video Utils
+//
+// ============================================================================================
+
+// --------------------------------------------------------------------------------------------
+static Bit8u find_vga_entry(mode)
+Bit8u mode;
+{
+ Bit8u i,line=0xFF;
+ for(i=0;i<=MODE_MAX;i++)
+ if(vga_modes[i].svgamode==mode)
+ {line=i;
+ break;
+ }
+ return line;
+}
+
+/* =========================================================== */
+/*
+ * Misc Utils
+*/
+/* =========================================================== */
+
+// --------------------------------------------------------------------------------------------
+static void memsetb(seg,offset,value,count)
+ Bit16u seg;
+ Bit16u offset;
+ Bit16u value;
+ Bit16u count;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push ax
+ push cx
+ push es
+ push di
+
+ mov cx, 10[bp] ; count
+ cmp cx, #0x00
+ je memsetb_end
+ mov ax, 4[bp] ; segment
+ mov es, ax
+ mov ax, 6[bp] ; offset
+ mov di, ax
+ mov al, 8[bp] ; value
+ cld
+ rep
+ stosb
+
+memsetb_end:
+ pop di
+ pop es
+ pop cx
+ pop ax
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+static void memsetw(seg,offset,value,count)
+ Bit16u seg;
+ Bit16u offset;
+ Bit16u value;
+ Bit16u count;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push ax
+ push cx
+ push es
+ push di
+
+ mov cx, 10[bp] ; count
+ cmp cx, #0x00
+ je memsetw_end
+ mov ax, 4[bp] ; segment
+ mov es, ax
+ mov ax, 6[bp] ; offset
+ mov di, ax
+ mov ax, 8[bp] ; value
+ cld
+ rep
+ stosw
+
+memsetw_end:
+ pop di
+ pop es
+ pop cx
+ pop ax
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+static void memcpyb(dseg,doffset,sseg,soffset,count)
+ Bit16u dseg;
+ Bit16u doffset;
+ Bit16u sseg;
+ Bit16u soffset;
+ Bit16u count;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push ax
+ push cx
+ push es
+ push di
+ push ds
+ push si
+
+ mov cx, 12[bp] ; count
+ cmp cx, #0x0000
+ je memcpyb_end
+ mov ax, 4[bp] ; dsegment
+ mov es, ax
+ mov ax, 6[bp] ; doffset
+ mov di, ax
+ mov ax, 8[bp] ; ssegment
+ mov ds, ax
+ mov ax, 10[bp] ; soffset
+ mov si, ax
+ cld
+ rep
+ movsb
+
+memcpyb_end:
+ pop si
+ pop ds
+ pop di
+ pop es
+ pop cx
+ pop ax
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+static void memcpyw(dseg,doffset,sseg,soffset,count)
+ Bit16u dseg;
+ Bit16u doffset;
+ Bit16u sseg;
+ Bit16u soffset;
+ Bit16u count;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push ax
+ push cx
+ push es
+ push di
+ push ds
+ push si
+
+ mov cx, 12[bp] ; count
+ cmp cx, #0x0000
+ je memcpyw_end
+ mov ax, 4[bp] ; dsegment
+ mov es, ax
+ mov ax, 6[bp] ; doffset
+ mov di, ax
+ mov ax, 8[bp] ; ssegment
+ mov ds, ax
+ mov ax, 10[bp] ; soffset
+ mov si, ax
+ cld
+ rep
+ movsw
+
+memcpyw_end:
+ pop si
+ pop ds
+ pop di
+ pop es
+ pop cx
+ pop ax
+
+ pop bp
+ASM_END
+}
+
+/* =========================================================== */
+/*
+ * These functions where ripped from Kevin's rombios.c
+*/
+/* =========================================================== */
+
+// --------------------------------------------------------------------------------------------
+static Bit8u
+read_byte(seg, offset)
+ Bit16u seg;
+ Bit16u offset;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push bx
+ push ds
+ mov ax, 4[bp] ; segment
+ mov ds, ax
+ mov bx, 6[bp] ; offset
+ mov al, [bx]
+ ;; al = return value (byte)
+ pop ds
+ pop bx
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+static Bit16u
+read_word(seg, offset)
+ Bit16u seg;
+ Bit16u offset;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push bx
+ push ds
+ mov ax, 4[bp] ; segment
+ mov ds, ax
+ mov bx, 6[bp] ; offset
+ mov ax, [bx]
+ ;; ax = return value (word)
+ pop ds
+ pop bx
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+static void
+write_byte(seg, offset, data)
+ Bit16u seg;
+ Bit16u offset;
+ Bit8u data;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push ax
+ push bx
+ push ds
+ mov ax, 4[bp] ; segment
+ mov ds, ax
+ mov bx, 6[bp] ; offset
+ mov al, 8[bp] ; data byte
+ mov [bx], al ; write data byte
+ pop ds
+ pop bx
+ pop ax
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+static void
+write_word(seg, offset, data)
+ Bit16u seg;
+ Bit16u offset;
+ Bit16u data;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push ax
+ push bx
+ push ds
+ mov ax, 4[bp] ; segment
+ mov ds, ax
+ mov bx, 6[bp] ; offset
+ mov ax, 8[bp] ; data word
+ mov [bx], ax ; write data word
+ pop ds
+ pop bx
+ pop ax
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+ Bit8u
+inb(port)
+ Bit16u port;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push dx
+ mov dx, 4[bp]
+ in al, dx
+ pop dx
+
+ pop bp
+ASM_END
+}
+
+ Bit16u
+inw(port)
+ Bit16u port;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push dx
+ mov dx, 4[bp]
+ in ax, dx
+ pop dx
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+ void
+outb(port, val)
+ Bit16u port;
+ Bit8u val;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push ax
+ push dx
+ mov dx, 4[bp]
+ mov al, 6[bp]
+ out dx, al
+ pop dx
+ pop ax
+
+ pop bp
+ASM_END
+}
+
+// --------------------------------------------------------------------------------------------
+ void
+outw(port, val)
+ Bit16u port;
+ Bit16u val;
+{
+ASM_START
+ push bp
+ mov bp, sp
+
+ push ax
+ push dx
+ mov dx, 4[bp]
+ mov ax, 6[bp]
+ out dx, ax
+ pop dx
+ pop ax
+
+ pop bp
+ASM_END
+}
+
+Bit16u get_SS()
+{
+ASM_START
+ mov ax, ss
+ASM_END
+}
+
+#ifdef DEBUG
+void unimplemented()
+{
+ printf("--> Unimplemented\n");
+}
+
+void unknown()
+{
+ printf("--> Unknown int10\n");
+}
+#endif
+
+// --------------------------------------------------------------------------------------------
+#if defined(USE_BX_INFO) || defined(DEBUG) || defined(CIRRUS_DEBUG)
+void printf(s)
+ Bit8u *s;
+{
+ Bit8u c, format_char;
+ Boolean in_format;
+ unsigned format_width, i;
+ Bit16u *arg_ptr;
+ Bit16u arg_seg, arg, digit, nibble, shift_count;
+
+ arg_ptr = &s;
+ arg_seg = get_SS();
+
+ in_format = 0;
+ format_width = 0;
+
+ while (c = read_byte(0xc000, s)) {
+ if ( c == '%' ) {
+ in_format = 1;
+ format_width = 0;
+ }
+ else if (in_format) {
+ if ( (c>='0') && (c<='9') ) {
+ format_width = (format_width * 10) + (c - '0');
+ }
+ else if (c == 'x') {
+ arg_ptr++; // increment to next arg
+ arg = read_word(arg_seg, arg_ptr);
+ if (format_width == 0)
+ format_width = 4;
+ i = 0;
+ digit = format_width - 1;
+ for (i=0; i<format_width; i++) {
+ nibble = (arg >> (4 * digit)) & 0x000f;
+ if (nibble <= 9)
+ outb(0x0500, nibble + '0');
+ else
+ outb(0x0500, (nibble - 10) + 'A');
+ digit--;
+ }
+ in_format = 0;
+ }
+ //else if (c == 'd') {
+ // in_format = 0;
+ // }
+ }
+ else {
+ outb(0x0500, c);
+ }
+ s ++;
+ }
+}
+#endif
+
+ASM_START
+ ; get LFB address from PCI
+ ; in - ax: PCI device vendor
+ ; out - ax: LFB address (high 16 bit)
+ ;; NOTE - may be called in protected mode
+_pci_get_lfb_addr:
+ push bx
+ push cx
+ push dx
+ push eax
+ mov bx, ax
+ xor cx, cx
+ mov dl, #0x00
+ call pci_read_reg
+ cmp ax, #0xffff
+ jz pci_get_lfb_addr_fail
+ pci_get_lfb_addr_next_dev:
+ mov dl, #0x00
+ call pci_read_reg
+ cmp ax, bx ;; check vendor
+ jz pci_get_lfb_addr_found
+ add cx, #0x8
+ cmp cx, #0x200 ;; search bus #0 and #1
+ jb pci_get_lfb_addr_next_dev
+ pci_get_lfb_addr_fail:
+ xor dx, dx ;; no LFB
+ jmp pci_get_lfb_addr_return
+ pci_get_lfb_addr_found:
+ mov dl, #0x10 ;; I/O space #0
+ call pci_read_reg
+ test ax, #0xfff1
+ jz pci_get_lfb_addr_success
+ mov dl, #0x14 ;; I/O space #1
+ call pci_read_reg
+ test ax, #0xfff1
+ jnz pci_get_lfb_addr_fail
+ pci_get_lfb_addr_success:
+ shr eax, #16
+ mov dx, ax ;; LFB address
+ pci_get_lfb_addr_return:
+ pop eax
+ mov ax, dx
+ pop dx
+ pop cx
+ pop bx
+ ret
+
+ ; read PCI register
+ ; in - cx: device/function
+ ; in - dl: register
+ ; out - eax: value
+pci_read_reg:
+ mov eax, #0x00800000
+ mov ax, cx
+ shl eax, #8
+ mov al, dl
+ mov dx, #0xcf8
+ out dx, eax
+ add dl, #4
+ in eax, dx
+ ret
+ASM_END
+
+#ifdef VBE
+#include "vbe.c"
+#endif
+
+#ifdef CIRRUS
+#include "clext.c"
+#endif
+
+// --------------------------------------------------------------------------------------------
+
+ASM_START
+;; DATA_SEG_DEFS_HERE
+ASM_END
+
+ASM_START
+.ascii "vgabios ends here"
+.byte 0x00
+vgabios_end:
+.byte 0xCB
+;; BLOCK_STRINGS_BEGIN
+ASM_END
diff --git a/roms/vgabios/vgabios.h b/roms/vgabios/vgabios.h
new file mode 100644
index 00000000..3ad4bae9
--- /dev/null
+++ b/roms/vgabios/vgabios.h
@@ -0,0 +1,47 @@
+#ifndef vgabios_h_included
+#define vgabios_h_included
+
+/* Types */
+typedef unsigned char Bit8u;
+typedef unsigned short Bit16u;
+typedef unsigned long Bit32u;
+typedef unsigned short Boolean;
+
+/* Defines */
+
+#define SET_AL(val8) AX = ((AX & 0xff00) | (val8))
+#define SET_BL(val8) BX = ((BX & 0xff00) | (val8))
+#define SET_CL(val8) CX = ((CX & 0xff00) | (val8))
+#define SET_DL(val8) DX = ((DX & 0xff00) | (val8))
+#define SET_AH(val8) AX = ((AX & 0x00ff) | ((val8) << 8))
+#define SET_BH(val8) BX = ((BX & 0x00ff) | ((val8) << 8))
+#define SET_CH(val8) CX = ((CX & 0x00ff) | ((val8) << 8))
+#define SET_DH(val8) DX = ((DX & 0x00ff) | ((val8) << 8))
+
+#define GET_AL() ( AX & 0x00ff )
+#define GET_BL() ( BX & 0x00ff )
+#define GET_CL() ( CX & 0x00ff )
+#define GET_DL() ( DX & 0x00ff )
+#define GET_AH() ( AX >> 8 )
+#define GET_BH() ( BX >> 8 )
+#define GET_CH() ( CX >> 8 )
+#define GET_DH() ( DX >> 8 )
+
+#define SET_CF() FLAGS |= 0x0001
+#define CLEAR_CF() FLAGS &= 0xfffe
+#define GET_CF() (FLAGS & 0x0001)
+
+#define SET_ZF() FLAGS |= 0x0040
+#define CLEAR_ZF() FLAGS &= 0xffbf
+#define GET_ZF() (FLAGS & 0x0040)
+
+#define SCROLL_DOWN 0
+#define SCROLL_UP 1
+#define NO_ATTR 2
+#define WITH_ATTR 3
+
+#define SCREEN_SIZE(x,y) (((x*y*2)|0x00ff)+1)
+#define SCREEN_MEM_START(x,y,p) ((((x*y*2)|0x00ff)+1)*p)
+#define SCREEN_IO_START(x,y,p) ((((x*y)|0x00ff)+1)*p)
+
+#endif
diff --git a/roms/vgabios/vgafonts.h b/roms/vgabios/vgafonts.h
new file mode 100644
index 00000000..0c213e66
--- /dev/null
+++ b/roms/vgabios/vgafonts.h
@@ -0,0 +1,784 @@
+/*
+ * These fonts come from ftp://ftp.simtel.net/pub/simtelnet/msdos/screen/fntcol16.zip
+ * The package is (c) by Joseph Gil
+ * The individual fonts are public domain
+ */
+static Bit8u vgafont8[256*8]=
+{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x7e, 0x81, 0xa5, 0x81, 0xbd, 0x99, 0x81, 0x7e,
+ 0x7e, 0xff, 0xdb, 0xff, 0xc3, 0xe7, 0xff, 0x7e,
+ 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00,
+ 0x10, 0x38, 0x7c, 0xfe, 0x7c, 0x38, 0x10, 0x00,
+ 0x38, 0x7c, 0x38, 0xfe, 0xfe, 0x7c, 0x38, 0x7c,
+ 0x10, 0x10, 0x38, 0x7c, 0xfe, 0x7c, 0x38, 0x7c,
+ 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x00, 0x00,
+ 0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff,
+ 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00,
+ 0xff, 0xc3, 0x99, 0xbd, 0xbd, 0x99, 0xc3, 0xff,
+ 0x0f, 0x07, 0x0f, 0x7d, 0xcc, 0xcc, 0xcc, 0x78,
+ 0x3c, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x18,
+ 0x3f, 0x33, 0x3f, 0x30, 0x30, 0x70, 0xf0, 0xe0,
+ 0x7f, 0x63, 0x7f, 0x63, 0x63, 0x67, 0xe6, 0xc0,
+ 0x99, 0x5a, 0x3c, 0xe7, 0xe7, 0x3c, 0x5a, 0x99,
+ 0x80, 0xe0, 0xf8, 0xfe, 0xf8, 0xe0, 0x80, 0x00,
+ 0x02, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x02, 0x00,
+ 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x7e, 0x3c, 0x18,
+ 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x00,
+ 0x7f, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x00,
+ 0x3e, 0x63, 0x38, 0x6c, 0x6c, 0x38, 0xcc, 0x78,
+ 0x00, 0x00, 0x00, 0x00, 0x7e, 0x7e, 0x7e, 0x00,
+ 0x18, 0x3c, 0x7e, 0x18, 0x7e, 0x3c, 0x18, 0xff,
+ 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x00,
+ 0x18, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x00,
+ 0x00, 0x18, 0x0c, 0xfe, 0x0c, 0x18, 0x00, 0x00,
+ 0x00, 0x30, 0x60, 0xfe, 0x60, 0x30, 0x00, 0x00,
+ 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00,
+ 0x00, 0x24, 0x66, 0xff, 0x66, 0x24, 0x00, 0x00,
+ 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0x00, 0x00,
+ 0x00, 0xff, 0xff, 0x7e, 0x3c, 0x18, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x30, 0x78, 0x78, 0x30, 0x30, 0x00, 0x30, 0x00,
+ 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x6c, 0x6c, 0xfe, 0x6c, 0xfe, 0x6c, 0x6c, 0x00,
+ 0x30, 0x7c, 0xc0, 0x78, 0x0c, 0xf8, 0x30, 0x00,
+ 0x00, 0xc6, 0xcc, 0x18, 0x30, 0x66, 0xc6, 0x00,
+ 0x38, 0x6c, 0x38, 0x76, 0xdc, 0xcc, 0x76, 0x00,
+ 0x60, 0x60, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x18, 0x30, 0x60, 0x60, 0x60, 0x30, 0x18, 0x00,
+ 0x60, 0x30, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00,
+ 0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00,
+ 0x00, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x60,
+ 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00,
+ 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x80, 0x00,
+ 0x7c, 0xc6, 0xce, 0xde, 0xf6, 0xe6, 0x7c, 0x00,
+ 0x30, 0x70, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x00,
+ 0x78, 0xcc, 0x0c, 0x38, 0x60, 0xcc, 0xfc, 0x00,
+ 0x78, 0xcc, 0x0c, 0x38, 0x0c, 0xcc, 0x78, 0x00,
+ 0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x1e, 0x00,
+ 0xfc, 0xc0, 0xf8, 0x0c, 0x0c, 0xcc, 0x78, 0x00,
+ 0x38, 0x60, 0xc0, 0xf8, 0xcc, 0xcc, 0x78, 0x00,
+ 0xfc, 0xcc, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x00,
+ 0x78, 0xcc, 0xcc, 0x78, 0xcc, 0xcc, 0x78, 0x00,
+ 0x78, 0xcc, 0xcc, 0x7c, 0x0c, 0x18, 0x70, 0x00,
+ 0x00, 0x30, 0x30, 0x00, 0x00, 0x30, 0x30, 0x00,
+ 0x00, 0x30, 0x30, 0x00, 0x00, 0x30, 0x30, 0x60,
+ 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x00,
+ 0x00, 0x00, 0xfc, 0x00, 0x00, 0xfc, 0x00, 0x00,
+ 0x60, 0x30, 0x18, 0x0c, 0x18, 0x30, 0x60, 0x00,
+ 0x78, 0xcc, 0x0c, 0x18, 0x30, 0x00, 0x30, 0x00,
+ 0x7c, 0xc6, 0xde, 0xde, 0xde, 0xc0, 0x78, 0x00,
+ 0x30, 0x78, 0xcc, 0xcc, 0xfc, 0xcc, 0xcc, 0x00,
+ 0xfc, 0x66, 0x66, 0x7c, 0x66, 0x66, 0xfc, 0x00,
+ 0x3c, 0x66, 0xc0, 0xc0, 0xc0, 0x66, 0x3c, 0x00,
+ 0xf8, 0x6c, 0x66, 0x66, 0x66, 0x6c, 0xf8, 0x00,
+ 0xfe, 0x62, 0x68, 0x78, 0x68, 0x62, 0xfe, 0x00,
+ 0xfe, 0x62, 0x68, 0x78, 0x68, 0x60, 0xf0, 0x00,
+ 0x3c, 0x66, 0xc0, 0xc0, 0xce, 0x66, 0x3e, 0x00,
+ 0xcc, 0xcc, 0xcc, 0xfc, 0xcc, 0xcc, 0xcc, 0x00,
+ 0x78, 0x30, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00,
+ 0x1e, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78, 0x00,
+ 0xe6, 0x66, 0x6c, 0x78, 0x6c, 0x66, 0xe6, 0x00,
+ 0xf0, 0x60, 0x60, 0x60, 0x62, 0x66, 0xfe, 0x00,
+ 0xc6, 0xee, 0xfe, 0xfe, 0xd6, 0xc6, 0xc6, 0x00,
+ 0xc6, 0xe6, 0xf6, 0xde, 0xce, 0xc6, 0xc6, 0x00,
+ 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00,
+ 0xfc, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xf0, 0x00,
+ 0x78, 0xcc, 0xcc, 0xcc, 0xdc, 0x78, 0x1c, 0x00,
+ 0xfc, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0xe6, 0x00,
+ 0x78, 0xcc, 0xe0, 0x70, 0x1c, 0xcc, 0x78, 0x00,
+ 0xfc, 0xb4, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00,
+ 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xfc, 0x00,
+ 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0x00,
+ 0xc6, 0xc6, 0xc6, 0xd6, 0xfe, 0xee, 0xc6, 0x00,
+ 0xc6, 0xc6, 0x6c, 0x38, 0x38, 0x6c, 0xc6, 0x00,
+ 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0x30, 0x78, 0x00,
+ 0xfe, 0xc6, 0x8c, 0x18, 0x32, 0x66, 0xfe, 0x00,
+ 0x78, 0x60, 0x60, 0x60, 0x60, 0x60, 0x78, 0x00,
+ 0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x02, 0x00,
+ 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x78, 0x00,
+ 0x10, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
+ 0x30, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00,
+ 0xe0, 0x60, 0x60, 0x7c, 0x66, 0x66, 0xdc, 0x00,
+ 0x00, 0x00, 0x78, 0xcc, 0xc0, 0xcc, 0x78, 0x00,
+ 0x1c, 0x0c, 0x0c, 0x7c, 0xcc, 0xcc, 0x76, 0x00,
+ 0x00, 0x00, 0x78, 0xcc, 0xfc, 0xc0, 0x78, 0x00,
+ 0x38, 0x6c, 0x60, 0xf0, 0x60, 0x60, 0xf0, 0x00,
+ 0x00, 0x00, 0x76, 0xcc, 0xcc, 0x7c, 0x0c, 0xf8,
+ 0xe0, 0x60, 0x6c, 0x76, 0x66, 0x66, 0xe6, 0x00,
+ 0x30, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00,
+ 0x0c, 0x00, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78,
+ 0xe0, 0x60, 0x66, 0x6c, 0x78, 0x6c, 0xe6, 0x00,
+ 0x70, 0x30, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00,
+ 0x00, 0x00, 0xcc, 0xfe, 0xfe, 0xd6, 0xc6, 0x00,
+ 0x00, 0x00, 0xf8, 0xcc, 0xcc, 0xcc, 0xcc, 0x00,
+ 0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x00,
+ 0x00, 0x00, 0xdc, 0x66, 0x66, 0x7c, 0x60, 0xf0,
+ 0x00, 0x00, 0x76, 0xcc, 0xcc, 0x7c, 0x0c, 0x1e,
+ 0x00, 0x00, 0xdc, 0x76, 0x66, 0x60, 0xf0, 0x00,
+ 0x00, 0x00, 0x7c, 0xc0, 0x78, 0x0c, 0xf8, 0x00,
+ 0x10, 0x30, 0x7c, 0x30, 0x30, 0x34, 0x18, 0x00,
+ 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
+ 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0x00,
+ 0x00, 0x00, 0xc6, 0xd6, 0xfe, 0xfe, 0x6c, 0x00,
+ 0x00, 0x00, 0xc6, 0x6c, 0x38, 0x6c, 0xc6, 0x00,
+ 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0x7c, 0x0c, 0xf8,
+ 0x00, 0x00, 0xfc, 0x98, 0x30, 0x64, 0xfc, 0x00,
+ 0x1c, 0x30, 0x30, 0xe0, 0x30, 0x30, 0x1c, 0x00,
+ 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00,
+ 0xe0, 0x30, 0x30, 0x1c, 0x30, 0x30, 0xe0, 0x00,
+ 0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0x00,
+ 0x78, 0xcc, 0xc0, 0xcc, 0x78, 0x18, 0x0c, 0x78,
+ 0x00, 0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0x7e, 0x00,
+ 0x1c, 0x00, 0x78, 0xcc, 0xfc, 0xc0, 0x78, 0x00,
+ 0x7e, 0xc3, 0x3c, 0x06, 0x3e, 0x66, 0x3f, 0x00,
+ 0xcc, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x7e, 0x00,
+ 0xe0, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x7e, 0x00,
+ 0x30, 0x30, 0x78, 0x0c, 0x7c, 0xcc, 0x7e, 0x00,
+ 0x00, 0x00, 0x78, 0xc0, 0xc0, 0x78, 0x0c, 0x38,
+ 0x7e, 0xc3, 0x3c, 0x66, 0x7e, 0x60, 0x3c, 0x00,
+ 0xcc, 0x00, 0x78, 0xcc, 0xfc, 0xc0, 0x78, 0x00,
+ 0xe0, 0x00, 0x78, 0xcc, 0xfc, 0xc0, 0x78, 0x00,
+ 0xcc, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00,
+ 0x7c, 0xc6, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00,
+ 0xe0, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00,
+ 0xc6, 0x38, 0x6c, 0xc6, 0xfe, 0xc6, 0xc6, 0x00,
+ 0x30, 0x30, 0x00, 0x78, 0xcc, 0xfc, 0xcc, 0x00,
+ 0x1c, 0x00, 0xfc, 0x60, 0x78, 0x60, 0xfc, 0x00,
+ 0x00, 0x00, 0x7f, 0x0c, 0x7f, 0xcc, 0x7f, 0x00,
+ 0x3e, 0x6c, 0xcc, 0xfe, 0xcc, 0xcc, 0xce, 0x00,
+ 0x78, 0xcc, 0x00, 0x78, 0xcc, 0xcc, 0x78, 0x00,
+ 0x00, 0xcc, 0x00, 0x78, 0xcc, 0xcc, 0x78, 0x00,
+ 0x00, 0xe0, 0x00, 0x78, 0xcc, 0xcc, 0x78, 0x00,
+ 0x78, 0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0x7e, 0x00,
+ 0x00, 0xe0, 0x00, 0xcc, 0xcc, 0xcc, 0x7e, 0x00,
+ 0x00, 0xcc, 0x00, 0xcc, 0xcc, 0x7c, 0x0c, 0xf8,
+ 0xc3, 0x18, 0x3c, 0x66, 0x66, 0x3c, 0x18, 0x00,
+ 0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00,
+ 0x18, 0x18, 0x7e, 0xc0, 0xc0, 0x7e, 0x18, 0x18,
+ 0x38, 0x6c, 0x64, 0xf0, 0x60, 0xe6, 0xfc, 0x00,
+ 0xcc, 0xcc, 0x78, 0xfc, 0x30, 0xfc, 0x30, 0x30,
+ 0xf8, 0xcc, 0xcc, 0xfa, 0xc6, 0xcf, 0xc6, 0xc7,
+ 0x0e, 0x1b, 0x18, 0x3c, 0x18, 0x18, 0xd8, 0x70,
+ 0x1c, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x7e, 0x00,
+ 0x38, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00,
+ 0x00, 0x1c, 0x00, 0x78, 0xcc, 0xcc, 0x78, 0x00,
+ 0x00, 0x1c, 0x00, 0xcc, 0xcc, 0xcc, 0x7e, 0x00,
+ 0x00, 0xf8, 0x00, 0xf8, 0xcc, 0xcc, 0xcc, 0x00,
+ 0xfc, 0x00, 0xcc, 0xec, 0xfc, 0xdc, 0xcc, 0x00,
+ 0x3c, 0x6c, 0x6c, 0x3e, 0x00, 0x7e, 0x00, 0x00,
+ 0x38, 0x6c, 0x6c, 0x38, 0x00, 0x7c, 0x00, 0x00,
+ 0x30, 0x00, 0x30, 0x60, 0xc0, 0xcc, 0x78, 0x00,
+ 0x00, 0x00, 0x00, 0xfc, 0xc0, 0xc0, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xfc, 0x0c, 0x0c, 0x00, 0x00,
+ 0xc3, 0xc6, 0xcc, 0xde, 0x33, 0x66, 0xcc, 0x0f,
+ 0xc3, 0xc6, 0xcc, 0xdb, 0x37, 0x6f, 0xcf, 0x03,
+ 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x00,
+ 0x00, 0x33, 0x66, 0xcc, 0x66, 0x33, 0x00, 0x00,
+ 0x00, 0xcc, 0x66, 0x33, 0x66, 0xcc, 0x00, 0x00,
+ 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88,
+ 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
+ 0xdb, 0x77, 0xdb, 0xee, 0xdb, 0x77, 0xdb, 0xee,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18,
+ 0x36, 0x36, 0x36, 0x36, 0xf6, 0x36, 0x36, 0x36,
+ 0x00, 0x00, 0x00, 0x00, 0xfe, 0x36, 0x36, 0x36,
+ 0x00, 0x00, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18,
+ 0x36, 0x36, 0xf6, 0x06, 0xf6, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x00, 0x00, 0xfe, 0x06, 0xf6, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0xf6, 0x06, 0xfe, 0x00, 0x00, 0x00,
+ 0x36, 0x36, 0x36, 0x36, 0xfe, 0x00, 0x00, 0x00,
+ 0x18, 0x18, 0xf8, 0x18, 0xf8, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x1f, 0x00, 0x00, 0x00,
+ 0x18, 0x18, 0x18, 0x18, 0xff, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xff, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x18, 0x18,
+ 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00,
+ 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18,
+ 0x36, 0x36, 0x36, 0x36, 0x37, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x37, 0x30, 0x3f, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3f, 0x30, 0x37, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0xf7, 0x00, 0xff, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xff, 0x00, 0xf7, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x37, 0x30, 0x37, 0x36, 0x36, 0x36,
+ 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
+ 0x36, 0x36, 0xf7, 0x00, 0xf7, 0x36, 0x36, 0x36,
+ 0x18, 0x18, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
+ 0x36, 0x36, 0x36, 0x36, 0xff, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xff, 0x00, 0xff, 0x18, 0x18, 0x18,
+ 0x00, 0x00, 0x00, 0x00, 0xff, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x3f, 0x00, 0x00, 0x00,
+ 0x18, 0x18, 0x1f, 0x18, 0x1f, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18,
+ 0x00, 0x00, 0x00, 0x00, 0x3f, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0xff, 0x36, 0x36, 0x36,
+ 0x18, 0x18, 0xff, 0x18, 0xff, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0xf8, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
+ 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
+ 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
+ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x76, 0xdc, 0xc8, 0xdc, 0x76, 0x00,
+ 0x00, 0x78, 0xcc, 0xf8, 0xcc, 0xf8, 0xc0, 0xc0,
+ 0x00, 0xfc, 0xcc, 0xc0, 0xc0, 0xc0, 0xc0, 0x00,
+ 0x00, 0xfe, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x00,
+ 0xfc, 0xcc, 0x60, 0x30, 0x60, 0xcc, 0xfc, 0x00,
+ 0x00, 0x00, 0x7e, 0xd8, 0xd8, 0xd8, 0x70, 0x00,
+ 0x00, 0x66, 0x66, 0x66, 0x66, 0x7c, 0x60, 0xc0,
+ 0x00, 0x76, 0xdc, 0x18, 0x18, 0x18, 0x18, 0x00,
+ 0xfc, 0x30, 0x78, 0xcc, 0xcc, 0x78, 0x30, 0xfc,
+ 0x38, 0x6c, 0xc6, 0xfe, 0xc6, 0x6c, 0x38, 0x00,
+ 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x6c, 0xee, 0x00,
+ 0x1c, 0x30, 0x18, 0x7c, 0xcc, 0xcc, 0x78, 0x00,
+ 0x00, 0x00, 0x7e, 0xdb, 0xdb, 0x7e, 0x00, 0x00,
+ 0x06, 0x0c, 0x7e, 0xdb, 0xdb, 0x7e, 0x60, 0xc0,
+ 0x38, 0x60, 0xc0, 0xf8, 0xc0, 0x60, 0x38, 0x00,
+ 0x78, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00,
+ 0x00, 0xfc, 0x00, 0xfc, 0x00, 0xfc, 0x00, 0x00,
+ 0x30, 0x30, 0xfc, 0x30, 0x30, 0x00, 0xfc, 0x00,
+ 0x60, 0x30, 0x18, 0x30, 0x60, 0x00, 0xfc, 0x00,
+ 0x18, 0x30, 0x60, 0x30, 0x18, 0x00, 0xfc, 0x00,
+ 0x0e, 0x1b, 0x1b, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70,
+ 0x30, 0x30, 0x00, 0xfc, 0x00, 0x30, 0x30, 0x00,
+ 0x00, 0x76, 0xdc, 0x00, 0x76, 0xdc, 0x00, 0x00,
+ 0x38, 0x6c, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
+ 0x0f, 0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x3c, 0x1c,
+ 0x78, 0x6c, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00,
+ 0x70, 0x18, 0x30, 0x60, 0x78, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x3c, 0x3c, 0x3c, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+static Bit8u vgafont14[256*14]=
+{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7e, 0x81, 0xa5, 0x81, 0x81, 0xbd, 0x99, 0x81, 0x7e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7e, 0xff, 0xdb, 0xff, 0xff, 0xc3, 0xe7, 0xff, 0x7e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x10, 0x38, 0x7c, 0xfe, 0x7c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x3c, 0xe7, 0xe7, 0xe7, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0x7e, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd, 0xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x1e, 0x0e, 0x1a, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3f, 0x33, 0x3f, 0x30, 0x30, 0x30, 0x70, 0xf0, 0xe0, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7f, 0x63, 0x7f, 0x63, 0x63, 0x63, 0x67, 0xe7, 0xe6, 0xc0, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x18, 0xdb, 0x3c, 0xe7, 0x3c, 0xdb, 0x18, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf8, 0xfe, 0xf8, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x02, 0x06, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7f, 0xdb, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x1b, 0x00, 0x00, 0x00,
+ 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x38, 0x0c, 0xc6, 0x7c, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x7e, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x18, 0x0c, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0x60, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x28, 0x6c, 0xfe, 0x6c, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x3c, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x66, 0x66, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x00, 0x00, 0x00,
+ 0x18, 0x18, 0x7c, 0xc6, 0xc2, 0xc0, 0x7c, 0x06, 0x86, 0xc6, 0x7c, 0x18, 0x18, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xc2, 0xc6, 0x0c, 0x18, 0x30, 0x66, 0xc6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x38, 0x6c, 0x6c, 0x38, 0x76, 0xdc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00,
+ 0x00, 0x30, 0x30, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x0c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x30, 0x18, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x18, 0x30, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xce, 0xde, 0xf6, 0xe6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc6, 0xfe, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0x06, 0x06, 0x3c, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x0c, 0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x0c, 0x1e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x38, 0x60, 0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x06, 0x0c, 0x78, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x0c, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xde, 0xde, 0xde, 0xdc, 0xc0, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x66, 0x66, 0x66, 0xfc, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x66, 0xc2, 0xc0, 0xc0, 0xc0, 0xc2, 0x66, 0x3c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xf8, 0x6c, 0x66, 0x66, 0x66, 0x66, 0x66, 0x6c, 0xf8, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x62, 0x66, 0xfe, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x66, 0xc2, 0xc0, 0xc0, 0xde, 0xc6, 0x66, 0x3a, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1e, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xe6, 0x66, 0x6c, 0x6c, 0x78, 0x6c, 0x6c, 0x66, 0xe6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xf0, 0x60, 0x60, 0x60, 0x60, 0x60, 0x62, 0x66, 0xfe, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xee, 0xfe, 0xfe, 0xd6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xe6, 0xf6, 0xfe, 0xde, 0xce, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xde, 0x7c, 0x0c, 0x0e, 0x00, 0x00,
+ 0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0x66, 0xe6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7e, 0x7e, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xfe, 0x7c, 0x6c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xc6, 0x6c, 0x38, 0x38, 0x38, 0x6c, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0xc6, 0x8c, 0x18, 0x30, 0x60, 0xc2, 0xc6, 0xfe, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x80, 0xc0, 0xe0, 0x70, 0x38, 0x1c, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x3c, 0x00, 0x00, 0x00,
+ 0x10, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
+ 0x30, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xd8, 0xd8, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xc0, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7e, 0x18, 0x3c, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x6c, 0x38, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0x6c, 0x6c, 0x6c, 0xee, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1e, 0x30, 0x18, 0x0c, 0x3e, 0x66, 0x66, 0x66, 0x3c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xdb, 0xdb, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x03, 0x06, 0x7e, 0xdb, 0xdb, 0xf3, 0x7e, 0x60, 0xc0, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1c, 0x30, 0x60, 0x60, 0x7c, 0x60, 0x60, 0x30, 0x1c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x00, 0x7e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x00, 0x7e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x0e, 0x1b, 0x1b, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x7e, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00, 0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x38, 0x6c, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x3c, 0x1c, 0x00, 0x00, 0x00,
+ 0x00, 0xd8, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x70, 0xd8, 0x30, 0x60, 0xc8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+static Bit8u vgafont16[256*16]=
+{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7e, 0x81, 0xa5, 0x81, 0x81, 0xbd, 0x99, 0x81, 0x81, 0x7e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7e, 0xff, 0xdb, 0xff, 0xff, 0xc3, 0xe7, 0xff, 0xff, 0x7e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x7c, 0xfe, 0x7c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0xe7, 0xe7, 0xe7, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0x7e, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd, 0xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x1e, 0x0e, 0x1a, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3f, 0x33, 0x3f, 0x30, 0x30, 0x30, 0x30, 0x70, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7f, 0x63, 0x7f, 0x63, 0x63, 0x63, 0x63, 0x67, 0xe7, 0xe6, 0xc0, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x18, 0xdb, 0x3c, 0xe7, 0x3c, 0xdb, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfe, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x02, 0x06, 0x0e, 0x1e, 0x3e, 0xfe, 0x3e, 0x1e, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7f, 0xdb, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x1b, 0x1b, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x38, 0x0c, 0xc6, 0x7c, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x0c, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0x60, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x66, 0xff, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x3c, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x66, 0x66, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00,
+ 0x18, 0x18, 0x7c, 0xc6, 0xc2, 0xc0, 0x7c, 0x06, 0x06, 0x86, 0xc6, 0x7c, 0x18, 0x18, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xc2, 0xc6, 0x0c, 0x18, 0x30, 0x60, 0xc6, 0x86, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x38, 0x6c, 0x6c, 0x38, 0x76, 0xdc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x30, 0x30, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x30, 0x18, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x66, 0xc3, 0xc3, 0xdb, 0xdb, 0xc3, 0xc3, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0x06, 0x06, 0x3c, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x0c, 0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x0c, 0x0c, 0x1e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x38, 0x60, 0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0xc6, 0x06, 0x06, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x06, 0x06, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x0c, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xde, 0xde, 0xde, 0xdc, 0xc0, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x66, 0x66, 0x66, 0x66, 0xfc, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x66, 0xc2, 0xc0, 0xc0, 0xc0, 0xc0, 0xc2, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xf8, 0x6c, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x6c, 0xf8, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x62, 0x66, 0xfe, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x66, 0xc2, 0xc0, 0xc0, 0xde, 0xc6, 0xc6, 0x66, 0x3a, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1e, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xe6, 0x66, 0x66, 0x6c, 0x78, 0x78, 0x6c, 0x66, 0x66, 0xe6, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xf0, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x62, 0x66, 0xfe, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc3, 0xe7, 0xff, 0xff, 0xdb, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xe6, 0xf6, 0xfe, 0xde, 0xce, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xde, 0x7c, 0x0c, 0x0e, 0x00, 0x00,
+ 0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0x66, 0x66, 0xe6, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x60, 0x38, 0x0c, 0x06, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xff, 0xdb, 0x99, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0x66, 0x3c, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xdb, 0xdb, 0xff, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc3, 0xc3, 0x66, 0x3c, 0x18, 0x18, 0x3c, 0x66, 0xc3, 0xc3, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xc3, 0xc3, 0xc3, 0x66, 0x3c, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xff, 0xc3, 0x86, 0x0c, 0x18, 0x30, 0x60, 0xc1, 0xc3, 0xff, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x3c, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0x70, 0x38, 0x1c, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00,
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+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
+ 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0xd8, 0xd8, 0xd8, 0xdc, 0x76, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0xd8, 0xcc, 0xc6, 0xc6, 0xc6, 0xcc, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0xfe, 0xc6, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xfe, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xfe, 0xc6, 0x60, 0x30, 0x18, 0x30, 0x60, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xd8, 0xd8, 0xd8, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xc0, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x7e, 0x18, 0x3c, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0x6c, 0x6c, 0x6c, 0x6c, 0xee, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1e, 0x30, 0x18, 0x0c, 0x3e, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xdb, 0xdb, 0xdb, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x03, 0x06, 0x7e, 0xdb, 0xdb, 0xf3, 0x7e, 0x60, 0xc0, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1c, 0x30, 0x60, 0x60, 0x7c, 0x60, 0x60, 0x60, 0x30, 0x1c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x0e, 0x1b, 0x1b, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x7e, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00, 0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x38, 0x6c, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x6c, 0x3c, 0x1c, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0xd8, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x70, 0xd8, 0x30, 0x60, 0xc8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+static Bit8u vgafont14alt[1]={0x00};
+static Bit8u vgafont16alt[1]={0x00};
diff --git a/roms/vgabios/vgatables.h b/roms/vgabios/vgatables.h
new file mode 100644
index 00000000..3ac96bbb
--- /dev/null
+++ b/roms/vgabios/vgatables.h
@@ -0,0 +1,622 @@
+/*
+ *
+ * BIOS Memory
+ *
+ */
+#define BIOSMEM_SEG 0x40
+
+#define BIOSMEM_INITIAL_MODE 0x10
+#define BIOSMEM_CURRENT_MODE 0x49
+#define BIOSMEM_NB_COLS 0x4A
+#define BIOSMEM_PAGE_SIZE 0x4C
+#define BIOSMEM_CURRENT_START 0x4E
+#define BIOSMEM_CURSOR_POS 0x50
+#define BIOSMEM_CURSOR_TYPE 0x60
+#define BIOSMEM_CURRENT_PAGE 0x62
+#define BIOSMEM_CRTC_ADDRESS 0x63
+#define BIOSMEM_CURRENT_MSR 0x65
+#define BIOSMEM_CURRENT_PAL 0x66
+#define BIOSMEM_NB_ROWS 0x84
+#define BIOSMEM_CHAR_HEIGHT 0x85
+#define BIOSMEM_VIDEO_CTL 0x87
+#define BIOSMEM_SWITCHES 0x88
+#define BIOSMEM_MODESET_CTL 0x89
+#define BIOSMEM_DCC_INDEX 0x8A
+#define BIOSMEM_VS_POINTER 0xA8
+#define BIOSMEM_VBE_FLAG 0xB9
+#define BIOSMEM_VBE_MODE 0xBA
+
+
+/*
+ *
+ * VGA registers
+ *
+ */
+#define VGAREG_ACTL_ADDRESS 0x3c0
+#define VGAREG_ACTL_WRITE_DATA 0x3c0
+#define VGAREG_ACTL_READ_DATA 0x3c1
+
+#define VGAREG_INPUT_STATUS 0x3c2
+#define VGAREG_WRITE_MISC_OUTPUT 0x3c2
+#define VGAREG_VIDEO_ENABLE 0x3c3
+#define VGAREG_SEQU_ADDRESS 0x3c4
+#define VGAREG_SEQU_DATA 0x3c5
+
+#define VGAREG_PEL_MASK 0x3c6
+#define VGAREG_DAC_STATE 0x3c7
+#define VGAREG_DAC_READ_ADDRESS 0x3c7
+#define VGAREG_DAC_WRITE_ADDRESS 0x3c8
+#define VGAREG_DAC_DATA 0x3c9
+
+#define VGAREG_READ_FEATURE_CTL 0x3ca
+#define VGAREG_READ_MISC_OUTPUT 0x3cc
+
+#define VGAREG_GRDC_ADDRESS 0x3ce
+#define VGAREG_GRDC_DATA 0x3cf
+
+#define VGAREG_MDA_CRTC_ADDRESS 0x3b4
+#define VGAREG_MDA_CRTC_DATA 0x3b5
+#define VGAREG_VGA_CRTC_ADDRESS 0x3d4
+#define VGAREG_VGA_CRTC_DATA 0x3d5
+
+#define VGAREG_MDA_WRITE_FEATURE_CTL 0x3ba
+#define VGAREG_VGA_WRITE_FEATURE_CTL 0x3da
+#define VGAREG_ACTL_RESET 0x3da
+
+#define VGAREG_MDA_MODECTL 0x3b8
+#define VGAREG_CGA_MODECTL 0x3d8
+#define VGAREG_CGA_PALETTE 0x3d9
+
+/* Video memory */
+#define VGAMEM_GRAPH 0xA000
+#define VGAMEM_CTEXT 0xB800
+#define VGAMEM_MTEXT 0xB000
+
+/*
+ *
+ * Tables of default values for each mode
+ *
+ */
+#define MODE_MAX 15
+#define TEXT 0x00
+#define GRAPH 0x01
+
+#define CTEXT 0x00
+#define MTEXT 0x01
+#define CGA 0x02
+#define PLANAR1 0x03
+#define PLANAR4 0x04
+#define LINEAR8 0x05
+
+// for SVGA
+#define LINEAR15 0x10
+#define LINEAR16 0x11
+#define LINEAR24 0x12
+#define LINEAR32 0x13
+
+typedef struct
+{Bit8u svgamode;
+ Bit8u class; /* TEXT, GRAPH */
+ Bit8u memmodel; /* CTEXT,MTEXT,CGA,PL1,PL2,PL4,P8,P15,P16,P24,P32 */
+ Bit8u pixbits;
+ Bit16u sstart;
+ Bit8u pelmask;
+ Bit8u dacmodel; /* 0 1 2 3 */
+} VGAMODES;
+
+static VGAMODES vga_modes[MODE_MAX+1]=
+{//mode class model bits sstart pelm dac
+ {0x00, TEXT, CTEXT, 4, 0xB800, 0xFF, 0x02},
+ {0x01, TEXT, CTEXT, 4, 0xB800, 0xFF, 0x02},
+ {0x02, TEXT, CTEXT, 4, 0xB800, 0xFF, 0x02},
+ {0x03, TEXT, CTEXT, 4, 0xB800, 0xFF, 0x02},
+ {0x04, GRAPH, CGA, 2, 0xB800, 0xFF, 0x01},
+ {0x05, GRAPH, CGA, 2, 0xB800, 0xFF, 0x01},
+ {0x06, GRAPH, CGA, 1, 0xB800, 0xFF, 0x01},
+ {0x07, TEXT, MTEXT, 4, 0xB000, 0xFF, 0x00},
+ {0x0D, GRAPH, PLANAR4, 4, 0xA000, 0xFF, 0x01},
+ {0x0E, GRAPH, PLANAR4, 4, 0xA000, 0xFF, 0x01},
+ {0x0F, GRAPH, PLANAR1, 1, 0xA000, 0xFF, 0x00},
+ {0x10, GRAPH, PLANAR4, 4, 0xA000, 0xFF, 0x02},
+ {0x11, GRAPH, PLANAR1, 1, 0xA000, 0xFF, 0x02},
+ {0x12, GRAPH, PLANAR4, 4, 0xA000, 0xFF, 0x02},
+ {0x13, GRAPH, LINEAR8, 8, 0xA000, 0xFF, 0x03},
+ {0x6A, GRAPH, PLANAR4, 4, 0xA000, 0xFF, 0x02}
+};
+
+/* convert index in vga_modes[] to index in video_param_table[] */
+static Bit8u line_to_vpti[MODE_MAX+1]={
+ 0x17, 0x17, 0x18, 0x18, 0x04, 0x05, 0x06, 0x07,
+ 0x0d, 0x0e, 0x11, 0x12, 0x1a, 0x1b, 0x1c, 0x1d,
+};
+
+/* Default Palette */
+#define DAC_MAX_MODEL 3
+
+static Bit8u dac_regs[DAC_MAX_MODEL+1]=
+{0x3f,0x3f,0x3f,0xff};
+
+/* standard BIOS Video Parameter Table */
+typedef struct {
+ Bit8u twidth;
+ Bit8u theightm1;
+ Bit8u cheight;
+ Bit8u slength_l;
+ Bit8u slength_h;
+ Bit8u sequ_regs[4];
+ Bit8u miscreg;
+ Bit8u crtc_regs[25];
+ Bit8u actl_regs[20];
+ Bit8u grdc_regs[9];
+} VideoParamTableEntry;
+
+static VideoParamTableEntry video_param_table[30] = {
+{
+ /* index=0x00 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x01 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x02 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x03 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x04 vga mode 0x04 */
+ 40, 24, 8, 0x00, 0x08, /* tw, th-1, ch, slength */
+ 0x09, 0x03, 0x00, 0x02, /* sequ_regs */
+ 0x63, /* miscreg */
+ 0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
+ 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xa2,
+ 0xff, /* crtc_regs */
+ 0x00, 0x13, 0x15, 0x17, 0x02, 0x04, 0x06, 0x07,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x01, 0x00, 0x03, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x0f, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x05 vga mode 0x05 */
+ 40, 24, 8, 0x00, 0x08, /* tw, th-1, ch, slength */
+ 0x09, 0x03, 0x00, 0x02, /* sequ_regs */
+ 0x63, /* miscreg */
+ 0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
+ 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xa2,
+ 0xff, /* crtc_regs */
+ 0x00, 0x13, 0x15, 0x17, 0x02, 0x04, 0x06, 0x07,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x01, 0x00, 0x03, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x0f, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x06 vga mode 0x06 */
+ 80, 24, 8, 0x00, 0x10, /* tw, th-1, ch, slength */
+ 0x01, 0x01, 0x00, 0x06, /* sequ_regs */
+ 0x63, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
+ 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xc2,
+ 0xff, /* crtc_regs */
+ 0x00, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
+ 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
+ 0x01, 0x00, 0x01, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x07 vga mode 0x07 */
+ 80, 24, 16, 0x00, 0x10, /* tw, th-1, ch, slength */
+ 0x00, 0x03, 0x00, 0x02, /* sequ_regs */
+ 0x66, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
+ 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x28, 0x0f, 0x96, 0xb9, 0xa3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+ 0x10, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x0e, 0x00, 0x0f, 0x08, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0a, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x08 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x09 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x0a no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x0b no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x0c no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x0d vga mode 0x0d */
+ 40, 24, 8, 0x00, 0x20, /* tw, th-1, ch, slength */
+ 0x09, 0x0f, 0x00, 0x06, /* sequ_regs */
+ 0x63, /* miscreg */
+ 0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
+ 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xe3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x01, 0x00, 0x0f, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x0e vga mode 0x0e */
+ 80, 24, 8, 0x00, 0x40, /* tw, th-1, ch, slength */
+ 0x01, 0x0f, 0x00, 0x06, /* sequ_regs */
+ 0x63, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
+ 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xe3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x01, 0x00, 0x0f, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x0f no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x10 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x11 vga mode 0x0f */
+ 80, 24, 14, 0x00, 0x80, /* tw, th-1, ch, slength */
+ 0x01, 0x0f, 0x00, 0x06, /* sequ_regs */
+ 0xa3, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
+ 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x83, 0x85, 0x5d, 0x28, 0x0f, 0x63, 0xba, 0xe3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00,
+ 0x00, 0x08, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00,
+ 0x01, 0x00, 0x01, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x12 vga mode 0x10 */
+ 80, 24, 14, 0x00, 0x80, /* tw, th-1, ch, slength */
+ 0x01, 0x0f, 0x00, 0x06, /* sequ_regs */
+ 0xa3, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
+ 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x83, 0x85, 0x5d, 0x28, 0x0f, 0x63, 0xba, 0xe3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+ 0x01, 0x00, 0x0f, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x13 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x14 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x15 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x16 no mode defined */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+},
+{
+ /* index=0x17 vga mode 0x01 */
+ 40, 24, 16, 0x00, 0x08, /* tw, th-1, ch, slength */
+ 0x08, 0x03, 0x00, 0x02, /* sequ_regs */
+ 0x67, /* miscreg */
+ 0x2d, 0x27, 0x28, 0x90, 0x2b, 0xa0, 0xbf, 0x1f,
+ 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x14, 0x1f, 0x96, 0xb9, 0xa3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+ 0x0c, 0x00, 0x0f, 0x08, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0e, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x18 vga mode 0x03 */
+ 80, 24, 16, 0x00, 0x10, /* tw, th-1, ch, slength */
+ 0x00, 0x03, 0x00, 0x02, /* sequ_regs */
+ 0x67, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
+ 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x28, 0x1f, 0x96, 0xb9, 0xa3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+ 0x0c, 0x00, 0x0f, 0x08, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0e, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x19 vga mode 0x07 */
+ 80, 24, 16, 0x00, 0x10, /* tw, th-1, ch, slength */
+ 0x00, 0x03, 0x00, 0x02, /* sequ_regs */
+ 0x66, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
+ 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x28, 0x0f, 0x96, 0xb9, 0xa3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+ 0x10, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ 0x0e, 0x00, 0x0f, 0x08, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0a, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x1a vga mode 0x11 */
+ 80, 29, 16, 0x00, 0x00, /* tw, th-1, ch, slength */
+ 0x01, 0x0f, 0x00, 0x06, /* sequ_regs */
+ 0xe3, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0x0b, 0x3e,
+ 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xea, 0x8c, 0xdf, 0x28, 0x00, 0xe7, 0x04, 0xe3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f,
+ 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f,
+ 0x01, 0x00, 0x0f, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x1b vga mode 0x12 */
+ 80, 29, 16, 0x00, 0x00, /* tw, th-1, ch, slength */
+ 0x01, 0x0f, 0x00, 0x06, /* sequ_regs */
+ 0xe3, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0x0b, 0x3e,
+ 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xea, 0x8c, 0xdf, 0x28, 0x00, 0xe7, 0x04, 0xe3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+ 0x01, 0x00, 0x0f, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x1c vga mode 0x13 */
+ 40, 24, 8, 0x00, 0x00, /* tw, th-1, ch, slength */
+ 0x01, 0x0f, 0x00, 0x0e, /* sequ_regs */
+ 0x63, /* miscreg */
+ 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
+ 0x00, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x9c, 0x8e, 0x8f, 0x28, 0x40, 0x96, 0xb9, 0xa3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x41, 0x00, 0x0f, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0f, 0xff, /* grdc_regs */
+},
+{
+ /* index=0x1d vga mode 0x6a */
+ 100, 36, 16, 0x00, 0x00, /* tw, th-1, ch, slength */
+ 0x01, 0x0f, 0x00, 0x06, /* sequ_regs */
+ 0xe3, /* miscreg */
+ 0x7f, 0x63, 0x63, 0x83, 0x6b, 0x1b, 0x72, 0xf0,
+ 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x59, 0x8d, 0x57, 0x32, 0x00, 0x57, 0x73, 0xe3,
+ 0xff, /* crtc_regs */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+ 0x01, 0x00, 0x0f, 0x00, /* actl_regs */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff, /* grdc_regs */
+},
+};
+
+/* Mono */
+static Bit8u palette0[63+1][3]=
+{
+ 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
+ 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
+ 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
+ 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
+ 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
+ 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
+ 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
+ 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f
+};
+
+static Bit8u palette1[63+1][3]=
+{
+ 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
+ 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
+ 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
+ 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
+ 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
+ 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
+ 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
+ 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f
+};
+
+static Bit8u palette2[63+1][3]=
+{
+ 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x2a,0x00, 0x2a,0x2a,0x2a,
+ 0x00,0x00,0x15, 0x00,0x00,0x3f, 0x00,0x2a,0x15, 0x00,0x2a,0x3f, 0x2a,0x00,0x15, 0x2a,0x00,0x3f, 0x2a,0x2a,0x15, 0x2a,0x2a,0x3f,
+ 0x00,0x15,0x00, 0x00,0x15,0x2a, 0x00,0x3f,0x00, 0x00,0x3f,0x2a, 0x2a,0x15,0x00, 0x2a,0x15,0x2a, 0x2a,0x3f,0x00, 0x2a,0x3f,0x2a,
+ 0x00,0x15,0x15, 0x00,0x15,0x3f, 0x00,0x3f,0x15, 0x00,0x3f,0x3f, 0x2a,0x15,0x15, 0x2a,0x15,0x3f, 0x2a,0x3f,0x15, 0x2a,0x3f,0x3f,
+ 0x15,0x00,0x00, 0x15,0x00,0x2a, 0x15,0x2a,0x00, 0x15,0x2a,0x2a, 0x3f,0x00,0x00, 0x3f,0x00,0x2a, 0x3f,0x2a,0x00, 0x3f,0x2a,0x2a,
+ 0x15,0x00,0x15, 0x15,0x00,0x3f, 0x15,0x2a,0x15, 0x15,0x2a,0x3f, 0x3f,0x00,0x15, 0x3f,0x00,0x3f, 0x3f,0x2a,0x15, 0x3f,0x2a,0x3f,
+ 0x15,0x15,0x00, 0x15,0x15,0x2a, 0x15,0x3f,0x00, 0x15,0x3f,0x2a, 0x3f,0x15,0x00, 0x3f,0x15,0x2a, 0x3f,0x3f,0x00, 0x3f,0x3f,0x2a,
+ 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f
+};
+
+static Bit8u palette3[256][3]=
+{
+ 0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a, 0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
+ 0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f, 0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
+ 0x00,0x00,0x00, 0x05,0x05,0x05, 0x08,0x08,0x08, 0x0b,0x0b,0x0b, 0x0e,0x0e,0x0e, 0x11,0x11,0x11, 0x14,0x14,0x14, 0x18,0x18,0x18,
+ 0x1c,0x1c,0x1c, 0x20,0x20,0x20, 0x24,0x24,0x24, 0x28,0x28,0x28, 0x2d,0x2d,0x2d, 0x32,0x32,0x32, 0x38,0x38,0x38, 0x3f,0x3f,0x3f,
+ 0x00,0x00,0x3f, 0x10,0x00,0x3f, 0x1f,0x00,0x3f, 0x2f,0x00,0x3f, 0x3f,0x00,0x3f, 0x3f,0x00,0x2f, 0x3f,0x00,0x1f, 0x3f,0x00,0x10,
+ 0x3f,0x00,0x00, 0x3f,0x10,0x00, 0x3f,0x1f,0x00, 0x3f,0x2f,0x00, 0x3f,0x3f,0x00, 0x2f,0x3f,0x00, 0x1f,0x3f,0x00, 0x10,0x3f,0x00,
+ 0x00,0x3f,0x00, 0x00,0x3f,0x10, 0x00,0x3f,0x1f, 0x00,0x3f,0x2f, 0x00,0x3f,0x3f, 0x00,0x2f,0x3f, 0x00,0x1f,0x3f, 0x00,0x10,0x3f,
+ 0x1f,0x1f,0x3f, 0x27,0x1f,0x3f, 0x2f,0x1f,0x3f, 0x37,0x1f,0x3f, 0x3f,0x1f,0x3f, 0x3f,0x1f,0x37, 0x3f,0x1f,0x2f, 0x3f,0x1f,0x27,
+
+ 0x3f,0x1f,0x1f, 0x3f,0x27,0x1f, 0x3f,0x2f,0x1f, 0x3f,0x37,0x1f, 0x3f,0x3f,0x1f, 0x37,0x3f,0x1f, 0x2f,0x3f,0x1f, 0x27,0x3f,0x1f,
+ 0x1f,0x3f,0x1f, 0x1f,0x3f,0x27, 0x1f,0x3f,0x2f, 0x1f,0x3f,0x37, 0x1f,0x3f,0x3f, 0x1f,0x37,0x3f, 0x1f,0x2f,0x3f, 0x1f,0x27,0x3f,
+ 0x2d,0x2d,0x3f, 0x31,0x2d,0x3f, 0x36,0x2d,0x3f, 0x3a,0x2d,0x3f, 0x3f,0x2d,0x3f, 0x3f,0x2d,0x3a, 0x3f,0x2d,0x36, 0x3f,0x2d,0x31,
+ 0x3f,0x2d,0x2d, 0x3f,0x31,0x2d, 0x3f,0x36,0x2d, 0x3f,0x3a,0x2d, 0x3f,0x3f,0x2d, 0x3a,0x3f,0x2d, 0x36,0x3f,0x2d, 0x31,0x3f,0x2d,
+ 0x2d,0x3f,0x2d, 0x2d,0x3f,0x31, 0x2d,0x3f,0x36, 0x2d,0x3f,0x3a, 0x2d,0x3f,0x3f, 0x2d,0x3a,0x3f, 0x2d,0x36,0x3f, 0x2d,0x31,0x3f,
+ 0x00,0x00,0x1c, 0x07,0x00,0x1c, 0x0e,0x00,0x1c, 0x15,0x00,0x1c, 0x1c,0x00,0x1c, 0x1c,0x00,0x15, 0x1c,0x00,0x0e, 0x1c,0x00,0x07,
+ 0x1c,0x00,0x00, 0x1c,0x07,0x00, 0x1c,0x0e,0x00, 0x1c,0x15,0x00, 0x1c,0x1c,0x00, 0x15,0x1c,0x00, 0x0e,0x1c,0x00, 0x07,0x1c,0x00,
+ 0x00,0x1c,0x00, 0x00,0x1c,0x07, 0x00,0x1c,0x0e, 0x00,0x1c,0x15, 0x00,0x1c,0x1c, 0x00,0x15,0x1c, 0x00,0x0e,0x1c, 0x00,0x07,0x1c,
+
+ 0x0e,0x0e,0x1c, 0x11,0x0e,0x1c, 0x15,0x0e,0x1c, 0x18,0x0e,0x1c, 0x1c,0x0e,0x1c, 0x1c,0x0e,0x18, 0x1c,0x0e,0x15, 0x1c,0x0e,0x11,
+ 0x1c,0x0e,0x0e, 0x1c,0x11,0x0e, 0x1c,0x15,0x0e, 0x1c,0x18,0x0e, 0x1c,0x1c,0x0e, 0x18,0x1c,0x0e, 0x15,0x1c,0x0e, 0x11,0x1c,0x0e,
+ 0x0e,0x1c,0x0e, 0x0e,0x1c,0x11, 0x0e,0x1c,0x15, 0x0e,0x1c,0x18, 0x0e,0x1c,0x1c, 0x0e,0x18,0x1c, 0x0e,0x15,0x1c, 0x0e,0x11,0x1c,
+ 0x14,0x14,0x1c, 0x16,0x14,0x1c, 0x18,0x14,0x1c, 0x1a,0x14,0x1c, 0x1c,0x14,0x1c, 0x1c,0x14,0x1a, 0x1c,0x14,0x18, 0x1c,0x14,0x16,
+ 0x1c,0x14,0x14, 0x1c,0x16,0x14, 0x1c,0x18,0x14, 0x1c,0x1a,0x14, 0x1c,0x1c,0x14, 0x1a,0x1c,0x14, 0x18,0x1c,0x14, 0x16,0x1c,0x14,
+ 0x14,0x1c,0x14, 0x14,0x1c,0x16, 0x14,0x1c,0x18, 0x14,0x1c,0x1a, 0x14,0x1c,0x1c, 0x14,0x1a,0x1c, 0x14,0x18,0x1c, 0x14,0x16,0x1c,
+ 0x00,0x00,0x10, 0x04,0x00,0x10, 0x08,0x00,0x10, 0x0c,0x00,0x10, 0x10,0x00,0x10, 0x10,0x00,0x0c, 0x10,0x00,0x08, 0x10,0x00,0x04,
+ 0x10,0x00,0x00, 0x10,0x04,0x00, 0x10,0x08,0x00, 0x10,0x0c,0x00, 0x10,0x10,0x00, 0x0c,0x10,0x00, 0x08,0x10,0x00, 0x04,0x10,0x00,
+
+ 0x00,0x10,0x00, 0x00,0x10,0x04, 0x00,0x10,0x08, 0x00,0x10,0x0c, 0x00,0x10,0x10, 0x00,0x0c,0x10, 0x00,0x08,0x10, 0x00,0x04,0x10,
+ 0x08,0x08,0x10, 0x0a,0x08,0x10, 0x0c,0x08,0x10, 0x0e,0x08,0x10, 0x10,0x08,0x10, 0x10,0x08,0x0e, 0x10,0x08,0x0c, 0x10,0x08,0x0a,
+ 0x10,0x08,0x08, 0x10,0x0a,0x08, 0x10,0x0c,0x08, 0x10,0x0e,0x08, 0x10,0x10,0x08, 0x0e,0x10,0x08, 0x0c,0x10,0x08, 0x0a,0x10,0x08,
+ 0x08,0x10,0x08, 0x08,0x10,0x0a, 0x08,0x10,0x0c, 0x08,0x10,0x0e, 0x08,0x10,0x10, 0x08,0x0e,0x10, 0x08,0x0c,0x10, 0x08,0x0a,0x10,
+ 0x0b,0x0b,0x10, 0x0c,0x0b,0x10, 0x0d,0x0b,0x10, 0x0f,0x0b,0x10, 0x10,0x0b,0x10, 0x10,0x0b,0x0f, 0x10,0x0b,0x0d, 0x10,0x0b,0x0c,
+ 0x10,0x0b,0x0b, 0x10,0x0c,0x0b, 0x10,0x0d,0x0b, 0x10,0x0f,0x0b, 0x10,0x10,0x0b, 0x0f,0x10,0x0b, 0x0d,0x10,0x0b, 0x0c,0x10,0x0b,
+ 0x0b,0x10,0x0b, 0x0b,0x10,0x0c, 0x0b,0x10,0x0d, 0x0b,0x10,0x0f, 0x0b,0x10,0x10, 0x0b,0x0f,0x10, 0x0b,0x0d,0x10, 0x0b,0x0c,0x10,
+ 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00
+};
+
+static Bit8u static_functionality[0x10]=
+{
+ /* 0 */ 0xff, // All modes supported #1
+ /* 1 */ 0xe0, // All modes supported #2
+ /* 2 */ 0x0f, // All modes supported #3
+ /* 3 */ 0x00, 0x00, 0x00, 0x00, // reserved
+ /* 7 */ 0x07, // 200, 350, 400 scan lines
+ /* 8 */ 0x02, // mamimum number of visible charsets in text mode
+ /* 9 */ 0x08, // total number of charset blocks in text mode
+ /* a */ 0xe7, // Change to add new functions
+ /* b */ 0x0c, // Change to add new functions
+ /* c */ 0x00, // reserved
+ /* d */ 0x00, // reserved
+ /* e */ 0x00, // Change to add new functions
+ /* f */ 0x00 // reserved
+};