# flips > Create and apply patches for IPS and BPS files. > More information: <https://github.com/Alcaro/Flips>. - Start Flips to create and apply patches interactively: `flips` - Apply a patch and create a new ROM file: `flips --apply {{patch.bps}} {{rom.smc}} {{hack.smc}}` - Create a patch from two ROMs: `flips --create {{rom.smc}} {{hack.smc}} {{patch.bps}}`