[Coco] Writing a CPU simulator for the 6809

[Ciaran Anscomb]

William Astle wrote:
> 
> Now, here's the fun part. You can implement a timing accurate emulation
> without actually emulating in real time! As long as it doesn't need to
> interface accurately with external timing sensitive stuff like sound
> hardware, you can run slower than real time as long as all the relative
> timings are correct. The machine being emulated won't know the difference.

cf: Permutation City by Greg Egan!

(Sorry, that just made me think of it...)

..ciaran