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

CoCo Demus retrocanada76 at gmail.com
Tue Apr 28 15:44:00 EDT 2015


And it all started in a BBC-Micro...

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.
>
> If curious, google for "machinekit", its a fork of LinuxCNC.
> >
> >
> > -----Message d'origine-----
> > De : Coco [mailto:coco-bounces at maltedmedia.com] De la part de Joe
> > Grubbs Envoyé : mardi 28 avril 2015 21:05
> > À : CoCoList for Color Computer Enthusiasts
> > Objet : Re: [Coco] Kicking the Z-80 butts...
> >
> > 6809 really is amazing. I learned on Sunday night from Kip and William
> > that the 6809 was originally designed with multiprocessing in mind,
> > hence another use for the external clock pin of the E version. Kip has
> > the schematics for a multi processor 6809 computer in fact
> >
> >
> > --- Original Message ---
> >
> > From: "Gustavo Ranaur Schoenaker" <ranaur at ranaur.net>
> > Sent: April 28, 2015 2:29 PM
> > To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> > Subject: Re: [Coco] Kicking the Z-80 butts...
> >
> > Really amazing.
> >
> > The more I know the 6809 the more I think the problem with the chip
> > was no t the processos, but the 6847. Maybe it was the reason Tandy
> > made the GIME chip on CoCo 3. Video is really the upper limit of the
> > plataform. At those times the video chip make a huge difference.
> >
> > Nice job Luis!
> >
> > On Tue, Apr 28, 2015 at 2:34 PM, Gene Heskett <gheskett at wdtv.com>
> wrote:
> > > On Tuesday 28 April 2015 09:35:20 Mathieu Chouinard wrote:
> > > > speaking of wordstar
> > > > I found this last night:
> > > > http://wordtsar.ca/
> > >
> > > Interesting, for wordstar fans.  I've never used it, dynastar yes.
> > >
> > > > On Tue, Apr 28, 2015 at 9:24 AM, CoCo Demus
> > > > <retrocanada76 at gmail.com>
> > >
> > > wrote:
> > > > > That's why MC6809 is the king of 8-bit processors:
> > > > >
> > > > > https://youtu.be/Ysn7Na60ZGA
> > >
> > > Thats plumb amazing.
> > > [...]
> > > Cheers, Gene Heskett
> > > --
> > > "There are four boxes to be used in defense of liberty:
> > >  soap, ballot, jury, and ammo. Please use in that order."
> > > -Ed Howdershelt (Author)
> > > Genes Web page <http://geneslinuxbox.net:6309/gene>
> > >
> > > --
> > > Coco mailing list
> > > Coco at maltedmedia.com
> > > https://pairlist5.pair.net/mailman/listinfo/coco
> >
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
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> >
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > https://pairlist5.pair.net/mailman/listinfo/coco
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco
>


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