So is there anything else? I have the xml file in there do I need to select anything with it? I have those games in the quote but it still hangs on a screen with a glitch mess on the top and a red screen on the bottom.
I've noticed certain games seem to work better on mGBA than on the retroarch gpSP core. The games are Konami Krazy Racers and King of Fighters Neo Blood (I think)