MAME 0.078 supports a wide range of arcade games, and the MAME 2003 Reference Set provides the necessary ROMs and CHDs to play these games. The set includes:
Some later arcade machines used hard drives or CD-ROMs to store massive amounts of data (like FMV sequences or high-fidelity audio). These are stored as .chd files. MAME 2003 Reference Set - MAME 0.078 ROMs- CHDs...
Never use ROMs from a newer MAME set (like 0.250) with a 2003 emulator. They often won't boot because the internal file structures changed. MAME 0
Some early games (like Donkey Kong or Galaga ) require a separate "Samples" folder to play audio that couldn't be synthesized at the time. MAME 2003 Reference Set - MAME 0.078 ROMs- CHDs...