diff options
| author | Mike Stirling <opensource@mikestirling.co.uk> | 2011-08-07 21:51:00 +0100 |
|---|---|---|
| committer | Mike Stirling <opensource@mikestirling.co.uk> | 2011-08-07 21:51:00 +0100 |
| commit | e35a13f72d07f28528a333047756e93abb46ec29 (patch) | |
| tree | 85fb07687c169c41bdc3aee3883714cb836d444f /bbc_micro_de1.vhd | |
| parent | f35c061588243ec86742416e71686113625b77be (diff) | |
| download | fpga-bbc-e35a13f72d07f28528a333047756e93abb46ec29.tar.gz fpga-bbc-e35a13f72d07f28528a333047756e93abb46ec29.tar.bz2 fpga-bbc-e35a13f72d07f28528a333047756e93abb46ec29.zip | |
Swapped DFS ROM to original Acorn version and added two composite ROM images, one with real DFS and one with MMBEEB ROM. Re-registered a few signals to help meet timing (still not quite there).
Diffstat (limited to 'bbc_micro_de1.vhd')
| -rw-r--r-- | bbc_micro_de1.vhd | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/bbc_micro_de1.vhd b/bbc_micro_de1.vhd index 4240e5d..03e5a65 100644 --- a/bbc_micro_de1.vhd +++ b/bbc_micro_de1.vhd @@ -1114,8 +1114,8 @@ begin FL_ADDR(15 downto 14) <=
"00" when mos_enable = '1' else
"01" when rom_enable = '1' and romsel(1 downto 0) = "11" else -- BASIC
- "10" when rom_enable = '1' and romsel(1 downto 0) = "00" else -- DFS
- "11"; -- MMC ROM
+ "10" when rom_enable = '1' and romsel(1 downto 0) = "00" else -- DFS/MMC
+ "11"; -- Spare
-- SRAM bus
SRAM_UB_N <= '1';
|