marty: Codetapper also suggested once that a bad patch will cause level 3 to not work, so I'll keep your suggestion and his in mind when I get to the bootblock stuff. At the moment I'm just messing around to get more 68000 and Amiga knowledge.
a4k-oerx: True. The game may regenerate the correct value later and if I copied the wrong value, it would fail. However in this case, I already know which is correct
