Because 0.72 became so popular in the cabinet-building community, a massive ecosystem of "MAME 0.72 ROMsets" proliferated across the internet. Even today, 20 years later, you can find torrents and archives specifically labeled "MAME 0.72."
MAME demands that ROMs match the emulator version perfectly. If a developer discovers a better dump of a game's sound chip, the file name or the CRC (checksum) of the file changes. Consequently, ROMs that work on MAME 0.60 might not work on MAME 0.72. mame 0.72 roms
To function correctly, MAME 0.72 expects ROMs to be organized in a specific way: ROMs Folder : Game files must be placed in a directory named within the main MAME folder. : Many games from this era (e.g., Donkey Kong Because 0