On Dec 19, 1:26 pm, Tempest <temp...@atariprotos.com> wrote: > Is there a list of games/programs that used illegal/undocumented > opcodes and therefore won't run on an Apple iie/iic? the place to find out will be : emulator threads on comp.emulators.apple2, comp.sys.apple2, and perhaps other forums discussing emulators. Rich