OK, NSRT seems like a really comprehensive program, but I can't figure out how to convert the file types. Namely I need to change gd3 and swc into smc so I can play them on my Wii with Snes9xGX, which, according to the readme only supports smc and fig files.
Suggestions?
Ah, guess you can't with that program. Looks like ucon is what I want.