It is important to understand the legal landscape of arcade emulation:
To play MAME 0.159u2 games, you must match your game files to the 0.159u2 XML database. If a ROM file lacks even one byte of data expected by the 0.159u2 executable, the emulator will reject it with a "Missing Files" error. Parent vs. Clone ROMs Mame 0.159u2 Roms