MSU1 on snes9x 1.54

[Astromatik]

Now we get the core snes 1.54 for us and thank you very much, far est of eden work perfectly now.

I have zelda 3 msu1 in zip format 536 mo, what the best way or you work on this to add msu1 games I just wondering if it's possible to add archive in retroarch with FTP. Thanks