Aley Keprt wrote: > Yes, there are many bugs. > I have a special test software which gives 4.8MHz speed on > real Sam and 3.17 on SimCoupe.
That's quite a big percentage different - most strange. I can only think that it's relying (at least partly) on one of the missing features I mentioned before, but since 4.8MHz is the approx. speed of code running in contended memory, it suggests it's something different. Would be nice to find out anyway! > It is computed by running a known instructions during one frame > and then comparing it to the known Z80 timings. Any chance you could e-mail me the test program? Si