The Code and facts of a game are usually equipped into the emulator by the use of a ROM file (a copy of game cartridge knowledge) or an ISO picture (a replica of optical media).[citation wanted] Whilst emulation softwares them selves are legal as long as they don't infringe copyright https://my-emulator95396.wikifordummies.com/8645547/not_known_details_about_emu_games