Reply To: Wiring Snes Pad wires direct to GPIOs

[petrockblog]

You would need to enable SNESDev, e.g. from within the RetroPie-Setup menu. You could have look at the sources of SNESDev to get the correct pin out: https://github.com/petrockblog/SNESDev-RPi/blob/master/src/SNESDev.c#L177.