coinheaven wrote:
how do you verify after programming? yea, it has to be the chr eprom since all the games work fine, but the graphics are messed up.
($0.02)
Just a thought: have you tried swapping and programming your eeproms (use the PRG eeprom for CHR and vice-versa) to see if its the one chip that is bad? If you get the same results, then its not a problem with the programmer.
Also, (and I'm probably being dense about this) how do you know that the PRG ROM is okay if you're getting scrambled graphics? Maybe the PRG ROM is just a little less scambled, which would still implicate your programmer.
Also, don't forget the simple stuff! We've all seen this with standard carts in our toaster-loaders - you could just have dirty contacts on just the CHR ROM pins.