To play Neo Geo games in MAME, you need a specific set of system files known as the , usually packaged as a file named neogeo.zip . This file contains the essential instructions the emulator uses to mimic the original hardware, including both the MVS (Arcade) and AES (Home Console) systems. Why the BIOS is Necessary
This is the uncomfortable truth. Distributing copyrighted BIOS ROMs is in most jurisdictions. mame neogeo bios