[Coco] FPGA CoCo

Paul T. Barton idezilla at yahoo.com
Mon Mar 27 00:06:49 EST 2006


Mark,

Now you should be able to add in the 4mhz circuit and add-in
a small (25%) gearshifting upward in execution speed.
See: http://www.axess.com/twilight/sock/4mhzproj.html

Paul - idezilla

Oh ... when can we purchase one of these?



--- Mark McDougall <msmcdoug at iinet.net.au> wrote:

> Gene Heskett wrote:
> 
> > Cute!  How fast compared to the real thing?
> 
> Atm I'm clocking the cpu at normal rate (~0.89 MHz). According to the 
> comments throughout John's core, it should be executing 15-25% faster than 
> the 6809 for most instructions. I've made no attempt to 'turbo charge' it at 
> this point.
> 
> Regards,
> 
> -- 
> |              Mark McDougall                | "Electrical Engineers do it
> |  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"


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