[Coco] MC6847 VGA (FPGA) Project underway...

[Ron Klein]

Hi Brendan,

I'm sure there are many of us interested this these.  Thanks for the
update!!

-Ron


On Wed, May 25, 2016 at 10:11 PM, Brendan Donahe <brendan at polylith.com>
wrote:

> Ron,
>
> I just got PMODEs 0 and 2 working last weekend.  (That's RG2 and RG3 for
> the "purists" that follow the 6847 spec.)  All of the modes blessed by
> BASIC are working now.
>
> I'm working on the modes that are not directly supported by BASIC, such as
> SG6, CG1, CG2, and RG1.  Thankfully, as of last weekend, I have a test
> framework and a small test suite from Steve Spiller, who also reminded me
> of William Barden's Color Computer Graphics book.  Together, these have
> made it simpler for me to enable some of the graphics modes to try them out
> and discover what is still broken in the FPGA design.  There are also still
> some other small issues that Simon Jonassen has helped me identify through
> his demos, but all-in-all, the project is coming along.
>
> I have also gotten Ed a new FPGA image that should, in theory, be suitable
> for trying out the production boards - but I think you're right, Ed has a
> ton of hardware projects on his plate, so we will need to be patient.  ;)
>
> Thanks for asking!
>
> Brendan
>
>
>
> On Wed, May 25, 2016 at 9:37 PM, Ron Klein <ron at kdomain.org> wrote:
>
> > Hi Ed / Brendan,
> >
> > Any updates on this?  It was impressive as heck to see at CoCoFEST!
> >
> > ... it's not as if Ed doesn't already have too many things going on ...
> >
> > Thanks!
> >
> > -Ron
> >
> >
> > On Tue, Oct 13, 2015 at 1:30 PM, Brendan Donahe <brendan at polylith.com>
> > wrote:
> >
> > > *drool*  Thanks, Ed!
> > >
> > > On Tue, Oct 13, 2015 at 1:18 PM, Zippster <zippster278 at gmail.com>
> wrote:
> > >
> > > > I just got Brendan’s prototype board into the mail so he can further
> > > > develop
> > > > the code for the FPGA.
> > > >
> > > > Isn’t she pretty after her bath….  :)
> > > >
> > > > <https://drive.google.com/open?id=0B1sgl615FlGnOHlDQ1ZOMHU3RGs <
> > > > https://drive.google.com/open?id=0B1sgl615FlGnOHlDQ1ZOMHU3RGs>>
> > > >
> > > > - Ed
> > > >
> > > > --
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