The problem is that qemu-uae.dll is incompatible with MorphOS, which needs to be patched like Bigfoot did. So far only QEmu remains.
MorphOS.pl
PowerBook G4 1.67GHz|2GB DDR2|ATI Radeon 9700M 128MB|SSD 80GB|TFT 17"|MorphOS 3.1x
Alienware 15 R3|WinUAE 5.x/AmigaOS4.1x & Icaros Desktop 2.x & QEmu 9.x.x