[Coco] Speed question

mike delyea mdelyea at gmail.com
Fri Aug 17 18:34:37 EDT 2007


Not really answering your question but I have a question of my own.  If you
are running at 12.5mhz and you do the double speed poke does the FPGA then
run at 25mhz?

On 8/17/07, Becker, Gary <Gary.Becker at amd.com> wrote:
>
>
> I am trying to gauge the speed of the CoCo3FPGA with a real CoCo3. I am
> running a simple BASIC program.
>
> 10 FOR A=0 TO 10000
> 20 PRINT A
> 30 NEXT A
>
> Can someone with a real CoCo type in this simple program, time how long
> it takes, and send me back the results? I would like to see 6809 and
> 6309 runs. It can be run at either the standard speed or the fast speed,
> since it scales nicely. Here is a list of the ones that I have taken.
>
> 0.89 MHz        172 sec.
> 1.79 MHz        86 sec
> 4.167 MHz       36 sec
> 12.5 MHz        25 sec
> 25 MHz  8 sec           (really 21.875 MHz)
>
>
> Thanks
>
> Gary
>
>
>
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>



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