In MAME, games are organized into "Parents" (the main version) and "Clones" (alternate versions).
MAME 0.78 ROM set is a specific collection of arcade game data files designed to work with MAME version 0.78 mame 0.78 rom set
: Because MAME developers update ROM requirements as they find more accurate hardware dumps, ROMs from newer sets will often fail to load on a 0.78-based emulator. Non-Merged Structure In MAME, games are organized into "Parents" (the