legality of emulators, roms, hacks reguarding old games?
if old games are copyrighted, why are there emulators, roms, and hacks for nes, snes, sega, and n64 on the internet available for download? The reason I'm asking is because the old super mario bros, for nes is a great game but I've seen on the internet people changing the levels to make it more interesting. Do they really have permission to do this?