From e35a13f72d07f28528a333047756e93abb46ec29 Mon Sep 17 00:00:00 2001 From: Mike Stirling Date: Sun, 7 Aug 2011 21:51:00 +0100 Subject: 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). --- bbc_micro_de1.vhd | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'bbc_micro_de1.vhd') 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'; -- cgit v1.2.3