Battle zone: I'm trying to set it up for 2 joystick play (2 joystick/6 button cabinet). Can anyone offer advice on what I need to change? Thanks. : r/RetroPie
How to set up your Controls in Mame - YouTube
Arcade (MAME 2003-Plus) - Libretro Docs
The Infernolab::::Video Games Image Gallery
Mapping buttons for Launch Box/BigBox - Lost
MAME - Xbox Controller Config (ctrlr file) - Emulation - LaunchBox Community Forums