[Coco] Drivewire with RS232 pak

Gene Heskett gheskett at shentel.net
Sun Oct 28 20:08:45 EDT 2018


On Sunday 28 October 2018 18:39:52 Michael Brant wrote:

> Gene, Jim did make a rs232 pak that runs at 230k 

I'll have to plead ignorance of that. Is there a webpage where I can look 
at it?

> and David Ladd 
> modified HDBDOS to use DW through it.

great!

> On Sun, Oct 28, 2018, 6:11 PM Gene Heskett <gheskett at shentel.net> 
wrote:
> > On Sunday 28 October 2018 15:50:36 rietveld rietveld wrote:
> > > Is there a way to use the RS232 pak with DW instead of the bit
> > > banger port?
> >
> > One probably could, but in comparison to DW, watching paint dry
> > would be exciting. The stock pack has a top speed of 9600 baud,
> > whereas DW can on late hardware useing the bit banger with a new
> > opamp, run at 200+kilobaud. There are hacks for the pack, but even
> > then its slower.
> >
> > It would take a new chip in a newly designed pack to match what DW
> > does. And even then, something like a 16550 needs an i/o space 16
> > bytes wide.
> >
> > > Sent from my BlackBerry
> >
> > --
> > 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



-- 
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>


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