Possibly a bad BIOS dump or a missing sound CPU BIOS (e.g., for CPS-2 games, you need both cps2.zip and sometimes qsound_hle.zip ). Solution: For MAME 0.147, some sound systems require separate decryption files. Always download the full BIOS pack for the version, not just the primary BIOS.
MAME (Multiple Arcade Machine Emulator) version is a specific older build (released around 2012) that requires a matching "ROM set" to function correctly. Because MAME evolves, the ROMs and BIOS files from a modern version often won't work with this specific vintage build. Understanding MAME 0.147 BIOS Files mame bios roms 0 147
Version 0.147 is widely considered a "stable" legacy version. While modern MAME releases Possibly a bad BIOS dump or a missing sound CPU BIOS (e
aim65_40.zip (Acorn) atarisy1.zip (Atari System 1) cps1.zip cps2.zip cps3.zip decocass.zip gameboy.zip gauntlet.zip megadriv.zip (Sega Mega Drive/Genesis arcade hardware) neogeo.zip nss.zip playch10.zip psx.zip (Arcade PlayStation hardware – rare) sega16a.zip sega16b.zip segabill.zip system16.zip taitosj.zip tmnt.zip (Konami BIOS for TMNT hardware) z80ne.zip MAME (Multiple Arcade Machine Emulator) version is a