MAME ROMs are not static files. As the MAME team improves emulation accuracy, they often discover that previous "dumps" of arcade chips were incomplete or incorrect. This leads to: Set Changes
Use a legacy tool like ClrMAMEPro with a 0.72 DAT file. Do not use ROMVault (it is too modern). The 0.72 exclusive set relies on "Merged" organization: one ZIP file containing the parent and all clones to save space. mame 072 roms exclusive