Mame 0.159u2 | Roms 2021

MAME ROMs are not universal; they are specifically tied to a version of the emulator. Common Issues and Questions (FAQ) - MAME Documentation

If you download the MAME 0.159u2 ROM set today, you will notice structural differences compared to a current set (MAME 0.260+). Mame 0.159u2 Roms