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Any takers?

Yeah, he actually means disassembling it with IDA, not the cartridge itself. :wink:

What he said. :D

Just get a rom image of the game of the net and run it through your favorite disassembler. Windows folks mainly use IDA.

Most disassemblers have search features, so if you search for the IO ...

Disassemble the game and look for references to the IO ports. Once you've found the subroutine that gets the port, look for code that calls it (or if the subroutine stores the port to memory, look for references to that memory location).

Thanks for the reply CW. I think you actually answered a ...

Going to embark on a project and I'm trying to see if it's possible to change a function of a game to a different button.. Problem is the game uses the general 3 and I would like to map this (basically involves depressing B) to a 4th button - ala 6 button layout.

Is this feasible?

Rifling through ...