>In Frodo 4 the minimum screen size without window borders is 384x288. I'm not sure >for Frodo 2.4 but C64 display is larger than 320x200.
From what I can see on the Amiga version of Frodo 4.1 you have no choice of screenmode or changing resolution, the display is just sent to a window on Workbench.
And as I say, it all works fine on Magic64 except it won't run Koronis Rift properly.