Clone ROM files only contain the data that is different from the parent game. They cannot run without the parent ROM present in your library. 3. BIOS and Device Files
Do not unzip your ROMs. MAME reads .zip files natively. Use the internal UI filter: Mame 0.251 Full - Rom Set
You cannot run a clone game if you delete its corresponding parent file. Storage and System Requirements Clone ROM files only contain the data that