> I'm using an emulated Pegasos with MorphOS 3.15 rc1 to rc4.

I guess you mean rc1 to rc4 of QEMU v6.1 ;-)

> Lack of support for Lan

Why not simply use an emulated RTL8139 like in comment #140?

> It is also impossible to save autostart from setenv.

As a workaround until NVRAM emulation is added, you can extract the boot.img from the ISO image and use '-kernel boot.img'.