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Diffstat (limited to 'de1/fpga-bbc-pq/master/saa5050-rom.patch')
-rw-r--r--de1/fpga-bbc-pq/master/saa5050-rom.patch472
1 files changed, 472 insertions, 0 deletions
diff --git a/de1/fpga-bbc-pq/master/saa5050-rom.patch b/de1/fpga-bbc-pq/master/saa5050-rom.patch
new file mode 100644
index 0000000..b676e51
--- /dev/null
+++ b/de1/fpga-bbc-pq/master/saa5050-rom.patch
@@ -0,0 +1,472 @@
+diff --git a/roms/saa5050/genrom.c b/roms/saa5050/genrom.c
+new file mode 100644
+index 0000000..9d93bb3
+--- /dev/null
++++ b/roms/saa5050/genrom.c
+@@ -0,0 +1,180 @@
++#include <stdint.h>
++#include <stdio.h>
++#include <string.h>
++#include <stdlib.h>
++
++// Characters on a 5x9 matrix. This is padded up to 16 rows when the
++// ROM is generated
++static uint8_t saa5050_charset[] = {
++ 0,0,0,0,0,0,0,0,0,
++ 4,4,4,4,4,0,4,0,0,
++ 10,10,10,0,0,0,0,0,0,
++ 6,9,8,28,8,8,31,0,0,
++ 14,21,20,14,5,21,14,0,0,
++ 24,25,2,4,8,19,3,0,0,
++ 8,20,20,8,21,18,13,0,0,
++ 4,4,4,0,0,0,0,0,0,
++
++ 2,4,8,8,8,4,2,0,0,
++ 8,4,2,2,2,4,8,0,0,
++ 4,21,14,4,14,21,4,0,0,
++ 0,4,4,31,4,4,0,0,0,
++ 0,0,0,0,0,4,4,8,0,
++ 0,0,0,14,0,0,0,0,0,
++ 0,0,0,0,0,0,4,0,0,
++ 0,1,2,4,8,16,0,0,0,
++
++ 4,10,17,17,17,10,4,0,0,
++ 4,12,4,4,4,4,14,0,0,
++ 14,17,1,6,8,16,31,0,0,
++ 31,1,2,6,1,17,14,0,0,
++ 2,6,10,18,31,2,2,0,0,
++ 31,16,30,1,1,17,14,0,0,
++ 6,8,16,30,17,17,14,0,0,
++ 31,1,2,4,8,8,8,0,0,
++
++ 14,17,17,14,17,17,14,0,0,
++ 14,17,17,15,1,2,12,0,0,
++ 0,0,4,0,0,0,4,0,0,
++ 0,0,4,0,0,4,4,8,0,
++ 2,4,8,16,8,4,2,0,0,
++ 0,0,31,0,31,0,0,0,0,
++ 8,4,2,1,2,4,8,0,0,
++ 14,17,2,4,4,0,4,0,0,
++
++ 14,17,23,21,23,16,14,0,0,
++ 4,10,17,17,31,17,17,0,0,
++ 30,17,17,30,17,17,30,0,0,
++ 14,17,16,16,16,17,14,0,0,
++ 30,17,17,17,17,17,30,0,0,
++ 31,16,16,30,16,16,31,0,0,
++ 31,16,16,30,16,16,16,0,0,
++ 14,17,16,16,19,17,15,0,0,
++
++ 17,17,17,31,17,17,17,0,0,
++ 14,4,4,4,4,4,14,0,0,
++ 1,1,1,1,1,17,14,0,0,
++ 17,18,20,24,20,18,17,0,0,
++ 16,16,16,16,16,16,31,0,0,
++ 17,27,21,21,17,17,17,0,0,
++ 17,17,25,21,19,17,17,0,0,
++ 14,17,17,17,17,17,14,0,0,
++
++ 30,17,17,30,16,16,16,0,0,
++ 14,17,17,17,21,18,13,0,0,
++ 30,17,17,30,20,18,17,0,0,
++ 14,17,16,14,1,17,14,0,0,
++ 31,4,4,4,4,4,4,0,0,
++ 17,17,17,17,17,17,14,0,0,
++ 17,17,17,10,10,4,4,0,0,
++ 17,17,17,21,21,21,10,0,0,
++
++ 17,17,10,4,10,17,17,0,0,
++ 17,17,10,4,4,4,4,0,0,
++ 31,1,2,4,8,16,31,0,0,
++ 0,4,8,31,8,4,0,0,0,
++ 16,16,16,16,22,1,2,4,7,
++ 0,4,2,31,2,4,0,0,0,
++ 0,4,14,21,4,4,0,0,0,
++ 10,10,31,10,31,10,10,0,0,
++
++ 0,0,0,31,0,0,0,0,0,
++ 0,0,14,1,15,17,15,0,0,
++ 16,16,30,17,17,17,30,0,0,
++ 0,0,15,16,16,16,15,0,0,
++ 1,1,15,17,17,17,15,0,0,
++ 0,0,14,17,31,16,14,0,0,
++ 2,4,4,14,4,4,4,0,0,
++ 0,0,15,17,17,17,15,1,14,
++
++ 16,16,30,17,17,17,17,0,0,
++ 4,0,12,4,4,4,14,0,0,
++ 4,0,4,4,4,4,4,4,8,
++ 8,8,9,10,12,10,9,0,0,
++ 12,4,4,4,4,4,14,0,0,
++ 0,0,26,21,21,21,21,0,0,
++ 0,0,30,17,17,17,17,0,0,
++ 0,0,14,17,17,17,14,0,0,
++
++ 0,0,30,17,17,17,30,16,16,
++ 0,0,15,17,17,17,15,1,1,
++ 0,0,11,12,8,8,8,0,0,
++ 0,0,15,16,14,1,30,0,0,
++ 4,4,14,4,4,4,2,0,0,
++ 0,0,17,17,17,17,15,0,0,
++ 0,0,17,17,10,10,4,0,0,
++ 0,0,17,17,21,21,10,0,0,
++
++ 0,0,17,10,4,10,17,0,0,
++ 0,0,17,17,17,17,15,1,14,
++ 0,0,31,2,4,8,31,0,0,
++ 8,8,8,8,9,3,5,7,1,
++ 10,10,10,10,10,10,10,0,0,
++ 24,4,24,4,25,3,5,7,1,
++ 0,4,0,31,0,4,0,0,0,
++ 31,31,31,31,31,31,31,0,0,
++};
++
++/* Generates 6x10 teletext graphics symbol according to specified code */
++void gen_gfx(char code,char *base)
++{
++ char *c;
++ int r;
++
++ for (r = 0, c = base; r < 10; r++, c++) {
++ /* Set unused bit 7 to 1 to flag these characters as graphics (the
++ * implementation uses this to determine whether hold and separated
++ * modes should be applied */
++ *c = 128;
++ if (r < 3) {
++ // 1 2
++ if (code & 1) *c += 56;
++ if (code & 2) *c += 7;
++ } else if (r < 7) {
++ // 4 8
++ if (code & 4) *c += 56;
++ if (code & 8) *c += 7;
++ } else {
++ // 16 64
++ if (code & 16) *c += 56;
++ if (code & 64) *c += 7;
++ }
++ }
++}
++
++int main(void) {
++ char *outbuf;
++ int ch,row;
++
++ outbuf = malloc(256 * 16);
++ if (outbuf == NULL) {
++ fprintf(stderr,"Out of memory\n");
++ return 1;
++ }
++
++ /* Unused locations are blank (all zero) */
++ memset(outbuf,0,256 * 16);
++
++ /* Copy character bitmaps to locations 32-127 and 160-255 */
++ for (ch = 0; ch < 96; ch++) {
++ for (row = 0; row < 9; row++) {
++ outbuf[16 * (32 + ch) + row + 1] = saa5050_charset[9 * ch + row];
++ outbuf[16 * (160 + ch) + row + 1] = saa5050_charset[9 * ch + row];
++ }
++ }
++
++ /* Generate graphics in locations 160-191 and 224-255 */
++ for (ch = 160; ch < 192; ch++) {
++ gen_gfx(ch,&outbuf[16 * ch]);
++ }
++ for (ch = 224; ch < 256; ch++) {
++ gen_gfx(ch,&outbuf[16 * ch]);
++ }
++
++ /* Write to stdout */
++ fwrite(outbuf,256 * 16,1,stdout);
++
++ free(outbuf);
++ return 0;
++}
++
+diff --git a/roms/saa5050/saa5050.hex b/roms/saa5050/saa5050.hex
+new file mode 100644
+index 0000000..f696b00
+--- /dev/null
++++ b/roms/saa5050/saa5050.hex
+@@ -0,0 +1,257 @@
++:1000000000000000000000000000000000000000F0
++:1000100000000000000000000000000000000000E0
++:1000200000000000000000000000000000000000D0
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+diff --git a/roms/saa5050/saa5050.rom b/roms/saa5050/saa5050.rom
+new file mode 100644
+index 0000000000000000000000000000000000000000..71565e3cf7af216396dab97af8326a10b103347b
+GIT binary patch
+literal 4096
+zcmeHIZI;?F40N(y)}++LfV<H4;j8XHuEamC)|oiyqgPl2@8R)iWJy*+2rqkez;qze
+zLX@3pnq<wzW}E(|)MPK$Q+}^m@cA;vbbJ$>PN!54KLs<oHF&2KN7=%9#Gc?-bIjFf
+zVr>6~2q79l2%3yWkyRKFeO4H!Qp%+9<Bko`5V;JSG;6(W7&k*ve%wrlHfsKDz7Cd$
+z_*#rV^sHDC$RI5buph>q@F)&z&2L$odRdL_UkD8!HE=vpHgXx={pRvnKWD9n{b;3#
+zKa%HHa4z#an|eUPlyCEVoo&AstPQ9BSoRVRVjQREWwzh+f1sK3%HecA9n>G$z_jA>
+zr&b%UluJF@_#kb+SsVgLKInh3^Ge>Hhy1h62g67c{Sw~hi|Lv?Uu)H8io=JN8$G;@
+z|1vM8z7SJOdR$=jzi`7J&j@jBqu~Re9)qW;;iKn6rp;So<Y8~_2iJ#^^nOFw<3zo`
+z0p1wd=jr&(rI~rcwDC#}zxWT&iR<yT{uuZGK3PsX+o1!W(stTSTZy+kuEsxv-{@}@
+zK7?gL4dxAN{LW(p#G~go2>!9N&nxTCgZ87Br_X-~oB-R8WdI}^d3*oB9014j6`&d7
+zI?ekQxuose`^Pgsyq{^JKgV;t7#<C5_Vv-aiT`Wytvm1~*4uEu-`AavZ?~JnkH^Dd
+z07$42y~EHu486k;!i8su-eCfm@X$L90$a>U^bW(>VFH-=V?jesqIbBTt$f!i?pl^4
+zdIDI-(090E=pBZh^@u+f4imtHhu&f6vBj8jzQb^Km;fgJcw4{z|G)A7KZhNLF_HOk
+z7=*)^9ftuhOPpEJI}F0%K6~m9JzQv_?{LK{5FUERLys-)iQZul4imt{pT)qiC3=V9
+u=r9}|24H<w?=bWZ!_i^r;ldo{e1{2O!eiku^w^?_zQYxFt@0}={{H|=Yq~)I
+
+literal 0
+HcmV?d00001
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 16:48:13 +0000