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R
The gui isn't letting me map keys to buttons - I can map controller buttons to key strokes but I think the 5200 emulator is looking for input from a keypad and not a keyboard - I'm really new to this, so I'm probably missing something simple.
S
@gpmcty You probably figured this out a long time ago but the config file is in the /opt/retropie/configs/atari800/ folder.