I dumped all of the COPX ROMs except on SD Gundam Sangokushi. It's just a 4M ROM. The 256k dump is half-dumped (i.e. bad) and can be replaced with the 512k dump at least for now until the games run better. The $ff / $00 fill is likely caused by the different EPROM programmers that were used to read it. The key to that ROM is knowing what its for and how to use it. Kale seems to be doing a good job of figuring that out so just wait :-)
> What is the mystery behind the COPX roms? > MAME source and PCB infos of the Legionnaire games says: > > Denjin Makai and Godzilla uses a COPX-D2 (copx-d2.313 - user1, 512k). These roms are > dumped > and they are identical. > SD Gundam Sangokushi uses a COPX-D2, the rom is also dumped, but only the first 256k. > These 256k are identical to the first 256k of the Denjin Makai/Godzilla COPX-D2. > Seibu Cup Soccer uses a COPX-D1 and the rom was dumped. When you compare it with the > Denjin Makai/Godzilla COPX-D2 it is identical, except the last bytes at 3FFC-3FFF and > > 7FFC-7FFF, they are filled with $FF in the Denjin Makai/Godzilla COPX-D2 and $00 in > Seibu Cup Soccer COPX-D1. > Legionnaire uses a COPX-D1, but it is not dumped. Can it use the Seibu Cup Soccer > COPX-D1 ? > Heated Barrel uses a COPX-D2, but it is not dumped. Can it use the Denjin Makai > COPX-D2 ? > > > M*A*S*H
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