> You have to keep in mind that almost all the games included in HBMAME are clones, so
> if you use the "split" method, thousands of roms will be uselessly duplicated,
> creating an extraordinarily heavy romset.
I think you are refering to a Non-merge romset, not an split one. The split romset only puts the roms that are different on each file; the common files are always in the parent room.