opt/retropie/configs/mame-libretro/retroarch.cfg
Please see MAME 2003 on RetroPie for information on how to configure specific features of this emulator.
There are significant differences in performance, compatibility, and configuration between them. There are a variety of arcade emulator versions available in RetroPie. MAME can emulate thousands of games that otherwise would have been lost in the ash-heaps of history. MAME stands for Multiple Arcade Machine Emulator. Universal Controller Calibration & Mapping Using xboxdrvĬonvert RetroPie SD Card Image to NOOBS Image
Validating, Rebuilding, and Filtering Arcade ROMs