Mame2003plus (CONFIRMED →)

Mame2003plus may offer updated or entirely new UI elements, making it easier for users to navigate through the emulator, manage game settings, and switch between different games.

: Thousands of "quality of life" fixes have been applied to address graphical glitches, incorrect speeds, and sound issues present in the legacy 0.78 code. mame2003plus

: Use the RetroArch "Quick Menu" (usually Hotkey + X) while a game is running to remap buttons specifically for that cabinet. Conclusion Mame2003plus may offer updated or entirely new UI

Load core → Start game → Quick Menu → Options: manage game settings