In the file selection dialog a folder containing one SNES ROM with the file name program.rom has to be selected. The name of this folder has to end with .sfc. Otherwise laevateinn quits.
laevateinn is the bsnes debugger, intended for developers creating or modifying SNES games. The debugger uses the accuracy profile with perfect-sync enabled plus various debugging hooks (so it's even slower than the regular accuracy build.)
Gamepad controls (video window must have focus):
Up, Down, Left, Right, Z, X, A, S, D, C, Apostrophe, Return -> UDLR BAYXLR Select Start
MAN PAGE AUTHORTobias Hansen