When running the Blitter Infection demo by Scoopex with i.e. A500 QS 1.3/0.5+0.5 most compatible setting, WinUAE plays the music but shows only garbage on screen. It works in WinUAE when setting slow mem to zero and either turning off DF1 or setting some fast ram (just not with slow mem), but it works with the 0.5+0.5 setting in WinFellow
(can't test on real A500 because that's at my parents home). So is this a bug in WinUAE?