[Coco] CoCo 3 RGB to SCART video, then converted to HDMI

[Matthew Stock]

Really?  I was literally at the site a moment ago.

If you still have issues I'll scrape the useful content and repost.

Matt

On Thu, Apr 30, 2015 at 10:06 AM, Michael Rowen <mike at borncoco.com> wrote:

> Dead link unfortunately.
>
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> Matthew Stock <stock at bexkat.com> wrote:
>
> >I've mentioned this a few times in the past, but this guy has a simple
> >composite sync schematic on this page
> >http://www.epanorama.net/circuits/vga2rgbs.html.  I've used it with a
> >knockoff CGA to VGA adaptor and it worked well.
> >
> >Matt
> >
> >
> >On Thu, Apr 30, 2015 at 9:54 AM, CoCo Demus <retrocanada76 at gmail.com>
> wrote:
> >
> >> A NOR gate will result in VSYNC without serration, for instance the
> LM1881
> >> cannot separate it without adjusting the resistor.
> >>
> >> I would try a XNOR instead.
> >>
> >> On Thu, Apr 30, 2015 at 9:49 AM, Michael Rowen <mike at borncoco.com>
> wrote:
> >>
> >> > I would think the coco RGB vertical/horizontal (pins 8 &9) inverted
> >> > through a 74LS02 (Nor gate) would work to the sync line on the scart.
> >> This
> >> > is very cool. I'm going to try this myself.
> >> >
> >> > This device also converts composite to HDMI. With Ed's awesome
> composite
> >> > boards for the Coco2, might do a decent job for a Coco2 as well.
> >> >
> >> > I found several YouTube vids for this same device used with various
> >> gaming
> >> > consoles via scart. Just search for scart.
> >> >
> >> > -Mike
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > Coco mailing list
> >> > Coco at maltedmedia.com
> >> > https://pairlist5.pair.net/mailman/listinfo/coco
> >> >
> >>
> >> --
> >> Coco mailing list
> >> Coco at maltedmedia.com
> >> https://pairlist5.pair.net/mailman/listinfo/coco
> >>
> >
> >--
> >Coco mailing list
> >Coco at maltedmedia.com
> >https://pairlist5.pair.net/mailman/listinfo/coco
>
> --
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>