You specifically need the MAME 0.139 Reference Set .

Excited by his discovery, John began to explore the site further. He found ROMs for iconic titles like Pac-Man, Donkey Kong, and Galaga, as well as some more obscure games he had never heard of before. The site's owner had clearly taken great care in curating the collection, providing detailed information about each ROM, including its size, CRC (Cyclic Redundancy Check), and compatibility with MAME 0.139u1.

It's essential to understand the laws in your jurisdiction and consider the impact of your actions on the gaming and emulation communities.

When MAME corrects an emulation error, it often requires a different "dump" of the ROM chips, or a different file naming convention. Consequently, a ROM set that works on MAME 0.100 may not work on MAME 0.139u1, and vice versa. This phenomenon is known as "ROM drift."