A different port of a certain game does not make a difference. If you want to legally play the arcade ROM, you need the arcade cartridge/PCB.
Example:
Just because I own Mortal Kombat on my SNES doesn't mean i'm entitled to owning Sega Genesis, Arcade, or any other ROMs other than the SNES one.
This post has been edited by cr4ck3rj4ck: Sep 20 2006, 04:02 AM