It helps you to manage and filter your arcade rom collection (MAME/FBNeo) by removing unwanted, bad, and unplayable games. It's also useful if you feel a bit lost among the several thousand games that ...
ROM collections for use with the MAME 2003 emulator should be validated against a "MAME 0.78" DAT (such as the one found in its metadata folder). And so on. 1G1R DATs (aka Parent-Clone DATs) allow you ...