> > So what I'm asking is, is there any utility that can filter out incomplete
> > ROMs?
> It's not automatic, but you could use a frontend like Emuloader to get a list of
> non-working drivers. From there you'd have to manually go through your ROMs and clear
> out the ones you don't want. Emuloader has a "delete game" option on its right-click
> menu, but I think that just removes the game from Emuloader's list, rather that
> deleting the ROM itself.
Better yet, Ciro (Emuloader author) recently re-wrote MAME Content Manager, which DOES delete ROMs and might do what you want (can't remember if it can sort on GAME_NOT_WORKING but it can based on Category.ini). Even if it can't, I'm sure Ciro could add desired features quickly.