I have confirmed the "un-encryted" hack cart prog roms have the same layout as a real cart "un-encryted" code.... SO they may work in mame with out much fuss...
There are SO many ASCII cart layouts that are missing from PGM.CPP. Even PCB numbers are missing....Not sure if its easy / hard to update mame source code?? I have only ever sent roms... and Viewed PGM.CPP and related code files.
YouTube Channel: youtube.com/channel/UCbapWmNB3IHjWu0LiTSfp9w