man, i just tried out a wario game and it was actually playable! i thought i'd sooner be playing silent hill or some other psx game than a gba one on my black machine
thank you for a nice emu!
Normmatt has given good advice on converting to asm and Alvin's help with the menu is much appreciated.
I really hope someone else can take this on as I don't really know how much more I can do.