[Coco] RGB2VGA on Amiga W.I.P.

[David Ladd]

On Thursday, December 3, 2015, Zippster <zippster278 at gmail.com> wrote:

> Run the connection from the header on the MM/1 to the CoCo3 port (10 pin
> header)
> on the RGB2VGA board.  I’m not sure where the DB9 would come in unless your
> MM/1 is different from the one I have.  Mine has a right-angle pin header
> for video
> on the back of the machine.
>
>
>
My MM/1 has a DB-9 connector on the back that has RGB out on it.  Should be
listed in the documentation I sent you a while back.


> - Ed
>
> > On Dec 3, 2015, at 12:16 PM, David Ladd <davidwladd at gmail.com
> <javascript:;>> wrote:
> >
> > On Thu, Dec 3, 2015 at 10:42 AM, Zippster <zippster278 at gmail.com
> <javascript:;>> wrote:
> >
> >> Dave,
> >>
> >> I recently acquired an MM/1, and I was able to get a pretty decent
> picture
> >> right
> >> off the bat.  With a little tweaking it should work pretty well.
> >>
> >> This pic is with 82Ω resistors in series between the MM/1 and RGB2VGA
> board
> >> on the RGB channels, and the syncs relying on the on-board resistors
> >> (connected
> >> directly to the CoCo3 port).
> >>
> >
> > ​So I should be able to use a DB-9 and put those (3) 82 ohm resisters​ in
> > side it and run a cable to a 10PIN header.  Does that sound like a
> workable
> > idea?
> >
> >
> >
> >>
> >> <https://drive.google.com/open?id=0B1sgl615FlGncTdsR3pDekJ6QkE <
> >> https://drive.google.com/open?id=0B1sgl615FlGncTdsR3pDekJ6QkE>>
> >>
> >> Typically bad cell phone pic, but seems pretty close to what I can make
> >> out here…
> >>
> >> <https://drive.google.com/open?id=0B1sgl615FlGndU10TDF4OWlxN3M <
> >> https://drive.google.com/open?id=0B1sgl615FlGndU10TDF4OWlxN3M>>
> >>
> >> - Ed
> >>
> >>
> >>> On Dec 2, 2015, at 10:11 PM, David Ladd <davidwladd at gmail.com
> <javascript:;>> wrote:
> >>>
> >>> I wonder if that might be one of the reasons the RGB2VGA isn't working
> >> as I
> >>> had expected on the MM/1?
> >>>
> >>> +----------+
> >>> |David Ladd|
> >>> +----------+
> >>>
> >>>
> >>>
> >>>
> >>> On Wed, Dec 2, 2015 at 4:20 PM, CoCo Demus <retrocanada76 at gmail.com
> <javascript:;>>
> >> wrote:
> >>>
> >>>> It does work, the color resolution is the problem.
> >>>>
> >>>> I will need 1% resistors on it....
> >>>>
> >>>> But the final amiga board is different, I need more pins for more
> >>>> colours...
> >>>>
> >>>>
> >>>> On Wed, Dec 2, 2015 at 12:20 PM, Richard E. Crislip <
> >> rcrislip at neo.rr.com <javascript:;>>
> >>>> wrote:
> >>>>
> >>>>> On Wed, 2 Dec 2015 11:04:39 -0500
> >>>>> Rich Carreiro <rlcarr at gmail.com <javascript:;>> wrote:
> >>>>>
> >>>>>> I'll be in for one of those when it's complete!  I've been dying
> >>>>>> for something like this to be able to connect my Amigas to
> >>>>>> modern monitors.
> >>>>>>
> >>>>>> On Mon, Nov 30, 2015 at 3:17 AM, CoCo Demus <
> retrocanada76 at gmail.com <javascript:;>>
> >>>>>> wrote:
> >>>>>>> I'm changing the rgb2vga to support Amigas :)
> >>>>>>>
> >>>>>>>
> >>>>>>> https://www.youtube.com/watch?v=PGC9veEThMQ
> >>>>>>> https://www.youtube.com/watch?v=XJ9wT8-_fNg
> >>>>>>>
> >>>>>>> --
> >>>>>>> Coco mailing list
> >>>>>>> Coco at maltedmedia.com <javascript:;>
> >>>>>>> https://pairlist5.pair.net/mailman/listinfo/coco
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>
> >>>>> AT one time there was a Flicker Fixer/Scan Doubler available. I have
> >>>>> one for my A2000s. It works great with my HP1706 plasma monitors.
> It's
> >>>>> too bad the RGB2VGA adapters developed for the CoCo do not work with
> >>>>> the Ami.
> >>>>>
> >>
> >>
> >> --
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> >> Coco at maltedmedia.com <javascript:;>
> >> https://pairlist5.pair.net/mailman/listinfo/coco
> >>
> >
> > --
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>
>
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