Most MAME 0.147 sets require a specific list of BIOS files to run popular hardware. If you are missing these, games like Metal Slug or Street Fighter will not launch. Getting Mame games to work
You place game ROMs (like kof2002.zip ) in your roms folder, and simultaneously, you place the required BIOS ROMs (like neogeo.zip ) in the same folder . MAME automatically loads the BIOS when you launch a compatible game. mame bios roms 0 147