Hi Ed

Yes ... I'm suitably embaressed ;-P I don't know if you noticed in the code but it prints out the speed as a % and what I think I should have said was 700% not 700MHz

I'm just working on a way of sneaking out and deleting the posts so that nobody notices lol

Update: the above was on IE; in Google Chrome which I most often use I could add a 9th zero (1GHz) and the loop runs in about 3.5 seconds; approx 300MHz maybe ... obviously less if the loop does something but each instruction doesn't equate to very much JavaScript. It does suggest maybe my finding ...

Ed let me dig out my original emulator with the debug in and upload it

Garth ... interesting stuff :-) I read an article on somewhere (on here maybe) about a 6502 floating point library with external memory and look up tables accessed through a VIA port or similar which sounds like what you are ...

Hi all

Thanks for the feedback :-) Sorry I've been a while responding as I'm registered on 3 forums and each one works differently. I was wondering why this one didn't e-mail me to tell me I had feeback like Google groups does so it wasn't until, by chance, I checked in manually that I realised ...

@XOR

"BigEd" suggested I post you this ...

>>>

For your viewing pleasure ...

http://r-pi.me/6502/6502_schematic_diagram.html

Have a look around and hover your mouse over elements to view their names

This is still very much a work in progress and a bit of a preview still so please excuse the ...