Well not to drag people away, If anybody who isn't familiar with this game and emulator have a fix for this come by ignore what im going to say, If no one can yet to solve your issues, Resort to using a different emulator. Such as a highly rated one
LINK:
Emulators - NG Emulation source for Xbox, GBA, Nintendo 64, PSP, Nintendo DS and more!
If someone else knows the problem ignore my advice, People can be slow on these forums.