[Coco] OS-9 80-column driver is ready

Tue Sep 24 15:20:23 EDT 2013

Gonna test it tonight :)

Need to check the requirements for a level 2 drivers. It will take few days
probably.

A second screen is great for debugging purposes, log and traces.

On Tue, Sep 24, 2013 at 3:16 PM, Bill Pierce <ooogalapasooo at aol.com> wrote:

>
> That would be my question.... will it work under L2?
> If so, with an MPI (or DW ftm), it would give 2 monitors. I know Gene used
> to run his like that so he would know more of the limitations there.
>
> Bill Pierce
> My Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
> Co-Webmaster of The TRS-80 Color Computer Archive
> http://www.colorcomputerarchive.com/
> Co-Contributor, Co-Editor for CocoPedia
> http://www.cocopedia.com/wiki/index.php/Main_Page
> E-Mail: ooogalapasooo at aol.com
>
>
>
>
> -----Original Message-----
> From: tonym <tonym at compusource.net>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>; coco <
> coco at maltedmedia.com>
> Sent: Tue, Sep 24, 2013 1:07 pm
> Subject: Re: [Coco] OS-9 80-column driver is ready
>
>
> Alibaba.com shows a few suppliers available...
>
> http://www.alibaba.com/showroom/crt9128-000p.html
>
> Rochester Electronics also:
>
>
> http://www.rocelec.com/search/finished/CRT9128-000P/0/1/contains/?utm_source=supplyFrame&utm_medium=buyNow
>
> Is this a board that can be easily replicated?
> Will your L1 driver work under L2?
>
> Tony
>
>
>
> ---- Original Message ----
> From: billg999 at cs.uofs.edu
> Sent: 9/24/2013 12:23:34 PM
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Subject: Re: [Coco] OS-9 80-column driver is ready
>
> > Well I call it protype because in fact it was a prototype made in 1985 by
> > some company called PHB in Texas. Is what is written in the label :P
> >
> > I'm doing the schematics and I will try to make it in protoboard, but it
> > will take a while since I'm a software guy not a hardware.
> >
> > But yes the circuit is so simple that it can be easily copied. I think
> the
> > most difficult part is to find the CRT9128.
> >
> > I found in china the CRT9128-000P.  I hope is the same ? If the
> protoboard
> > works I can see the possibility to make a batch of it.
> >
>
> I did some quick research and it appears the "000P" is the same device
> probably refers to plastic as opposed to ceramic packaging.  The bad
> news is that they do not appear to be manufactured by anyone any more.
>
> I wonder if there is some other similar but newer chip that could be
> designed into the circuit?
>
> bill
>
>
>
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