Categories Games Patching SNES MSU-1 ROMs Post author By Aaron Post date 2022-10-02 No Comments on Patching SNES MSU-1 ROMs This post explains what to do with .msu .pcm and .ips files. Tags cd audio, ips, MSU, msu-1, patch rom, pcm, retro, romhack, snes, super metroid, super nintendo