Grab a copy of mame078b.exe (the official binary), download the MAME 0.78 DAT file from the Progetto Snaps repository, and rebuild your collection. Welcome to the golden age.
sets are the easiest to use because every ZIP file contains all the data needed to run that specific game without needing a "parent" file. Mame 0.78 romset roms mame 0.78 romset
: It supports over 4,700 games, covering the "Golden Age" of arcades from the late 1970s through the mid-90s. Grab a copy of mame078b