mame mslug -bios aes # Run as AES (home console) mame mslug -bios euro # European MVS Edit mame.ini :
mame gamename -bios biostag Find biostag in MAME’s -listxml output: mame bios
mame neogeo -listxml | grep -A5 "<bios" Example: mame mslug -bios aes # Run as AES