bad caps are also something to think about with hardware this old

Yes. Romhacking.net is the best spot for this question tho

The graphics are not compressed, use Tile Molester to edit them.

thanks for the reply. makes sense, never thought about the PC side of things (5v levels)

I know this has been asked before many times but why do cheat carts in general use 5v chips? I always thought the PSX parallel port used 3.5v logic, is that right?

There is no point really in re-flashing this cartridge. The only thing you can do with it is load cheats, and boot copied games. I think you need the "AHOY!" firmware to boot copies games (it uses the swap trick, but stops the drive spindle so it's easier to do so). Yeah, the current FW s...

I have a Game Hunter PRO 2Mb and I'm wonder what device its PCB Is based on, what are my FW options and the quickest/easiest way to flash it?