[Coco] Kicking the Z-80 butts...

Mathieu Chouinard chouimat at gmail.com
Tue Apr 28 15:39:24 EDT 2015


On Tue, Apr 28, 2015 at 3:38 PM, Gene Heskett <gheskett at wdtv.com> wrote:
>
>
> On Tuesday 28 April 2015 15:18:02 didier derny wrote:
>> Yes nice processor, probably the best 8 bits processor ever made,
>> system and user stack, position independent code,
>> very easy assembler
>> And apparently 2 6809 can run simultaneously
>>
>> I'm not absolutely sure, but I think in the superpet the 6809 and the
>> 6502 can run simultaneously too
>>
>> The arm is nice too :)  reminds me a 6502 by some side :)
>
> The arm cortex is making waves in the industrial CNC machinery category.
> The BeagleBone Black is now running linuxcnc, in some aspects better
> than the X86 stuff is doing it, making use of the BBB's cluster of
> simple programmable units, 32 of them I believe.  Capable of driving
> stepper motors with a 10 microsecond heartbeat. That is about 2.5x
> faster than I can, and faster than the opto-isolators commonly used to
> isolate the cpu's I/O from being blasted to smitherines by the back emf
> of a higher powered stepper.
>
/me is looking at the 30+ arm based boards laying around his office ...



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