hi, I also would like to run Arcadia 2001 (via MESS) on RetroPie. How did you get it running? I’ve followed the instructions above and in the wiki but when I load a game it only goes to the RetroArch Main Menu (MAME 0.171) instead of loading the game.
My “mess” roms folder looks like this:
/home/pi/RetroPie/roms/mess/(arcadia doesn’t need any zipped bios)
and in “emulators.cfg” I put this:
lr-mess=”/opt/retropie/emulators/retroarch/bin/retroarch -L /opt/retropie/libretrocores/lr-mess/mess_libretro.so –config /opt/retropie/configs/lr-mess/retroarch.cfg %ROM%”