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During the 0.160 era, the standard for ROM distribution was sets. Unlike today’s preferred Split or Merged sets (which save hard drive space by storing shared files once), Non-Merged sets contain every file necessary to run a game inside its own ZIP folder.
MAME 0.160, compiled for ARM via RetroPie, ran like a dream. It could emulate classics like Street Fighter II , The Simpsons , TMNT , and Metal Slug at full speed on a $35 computer. Pre-built images (like the famous "128GB Pi Image") almost exclusively used the 0.160 ROMset. Today, if you download a third-party image for a handheld device (like the RG351 or Miyoo Mini), there is a 70% chance the MAME folder is labeled .
Because MAME 0.160 is over a decade old, modern ROMsets (like 0.260+) will generally with a 0.160 executable without modification. ClrMamePro:
Parents and clones are in a single zip file. For example, Pac-Man and all its regional variations would be in one file.
Assuming you have acquired the set (via legal means—owning the original arcade PCBs or digital licenses), here is the standard workflow: