> Here's the Wizatron/Math Magic artwork. I looked into it more and the problem is > definitely in MESS (at least in the version I'm using). The clickable areas work fine > in windowed mode, but in full-screen mode they are offset downward about half the > width of a button.
What version are you running? Windows MAME 0.164 64bit, or something else? If I can duplicate this, might formally get it onto MAMETesters...