Hi Elemental

Just a few questions to help me pls:

Sound in the 2 GBA games i have doesnt play. FF tactics and Pokemon Fire red. With sound on it plays in Chrono trigger and FF7 on snes and PS1. Is it the bios or roms?

secondly, my only 1 of my 3 snes games load. Chrono trigger works but Mario world 2 and yoshi island just doesnt load at all. Is it the roms?

Thanks!