[Coco] HDB-DOS build fixes. Untested as of yet.

[Gene Heskett]

On Sunday 30 December 2012 16:56:10 Charlie Pelosi did opine:

> Gene, I have no doubt! But I only see the lines with the bad rom during
> DW i/o.
> 
> 
The seriel port, with its higher voltage swings, represents something many 
times noisier in terms of power supply peak currents than most of the other 
signals flying around.  So that will show up first.

> Sent from my Windows Phone
> ________________________________
> From: Gene Heskett<mailto:gheskett at wdtv.com>
> Sent: â€ژ12/â€ژ30/â€ژ2012 2:24 PM
> To: coco at maltedmedia.com<mailto:coco at maltedmedia.com>
> Subject: Re: [Coco] HDB-DOS build fixes. Untested as of yet.
> 
> On Sunday 30 December 2012 14:20:58 Daniel Campos did opine:
> > Em 30/12/2012 14:51, Charlie Pelosi escreveu:
> > > And older version of the rom 1.1D works fine, so the config is good.
> > > 
> > > 
> > > 
> > > I do notice something hard to describe. When the coco 1 tries to do
> > > I/O through DW the screen gets these very subtle verticle lines that
> > > jump all over, almost like interference.....
> 
> Its quite likely that the electrolytic capacitors on your coco's board
> are dried out and suffering from high ESR.  After nearly 30 years, its
> to be expected.   That is today, 90% of the capacitor failures I have
> found over the last 20 years.
> 
> > > Charlie
> > 
> > Hi Charlie,
> > 
> > Do you know where I can get this older 1.1D ROM package ?
> > Never saw the Color64 working with Drivewire and would like to test
> > that.
> > 
> > Thanks!
> > 
> > Daniel
> > 
> > 
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
> 
> Cheers, Gene
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> My web page: <http://coyoteden.dyndns-free.com:85/gene> is up!
> My views
> <http://www.armchairpatriot.com/What%20Has%20America%20Become.shtml>
> "Joy is wealth and love is the legal tender of the soul."
>                 -- Robert G. Ingersoll
> I was taught to respect my elders, but its getting
> harder and harder to find any...
> 
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco
> 
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco


Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
My web page: <http://coyoteden.dyndns-free.com:85/gene> is up!
My views 
<http://www.armchairpatriot.com/What%20Has%20America%20Become.shtml>
The solution of this problem is trivial and is left as an exercise for
the reader.
I was taught to respect my elders, but its getting 
harder and harder to find any...