For Neo-Geo games to work in MAME 0.78, you must have the correct neogeo.zip BIOS in your roms folder. In 0.78, this file is specific; using a modern neogeo.zip from MAME 0.250 will fail the audit.
: Large data images for games that originally used hard drives or CD-ROMs (e.g., Killer Instinct mame 0.78 romset
To play Metal Slug or King of Fighters on MAME 0.78, you do not just need the game ROM ( For Neo-Geo games to work in MAME 0
The MAME 0.78 ROM set includes data for numerous classic arcade games. Each game in the ROM set is identified by a unique name and requires specific data to be emulated accurately. The ROMs are usually distributed in a zipped format and need to be placed in the ROM directory of the MAME installation. Each game in the ROM set is identified
Older MAME versions prioritized speed over 100% accuracy. This makes 0.78 ideal for the Raspberry Pi and older handhelds.