Re: Apple IIGS monitor replacement

[MdntTrain <js@cimmeri.com>]

On Apr 29, 12:29 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> Mitchell Spector wrote:
> > "Michael J. Mahon" <mjma...@aol.com> wrote:
>
> >>Mitchell Spector wrote:
>
> >>>    I believe it's a flaw in the video design of the IIgs. RGB video is fine,
> >>>but composite is a mess (excluding emulated 8-bit Apple IIe video).
> >>>Apple did quietly offer a solution/fix, that was to purchase and install
> >>>their Video Overlay Card. You get respectable composite video with
> >>>that, without any of the massive color shifting and color inaccuracies.
>
> >>>I took some quick snapshots to (roughly) show the difference:
>
> >>>Apple IIgs composite-out (built-in port):
> >>>http://raptor.golden.net/~mspector/IIgs-composite.jpg
>
> >>>Apple IIgs composite-out (Video Overlay Card):
> >>>http://raptor.golden.net/~mspector/IIgs-VOC.jpg
>
> >>>Apple IIgs RGB-out (AppleColor RGB):
> >>>http://raptor.golden.net/~mspector/IIgs-RGB.jpg
>
> >>These are very interesting.  I've never seen a IIgs hooked up to
> >>a composite monitor, so it's interesting to see how the 8MHz and
> >>16MHz dot clock affect it.
>
> >     I put them side by side (the left half of the screen), it gives you
> > an even better comparison. You can see how the Video Overlay
> > Card does it's aliasing, the text is slightly blurred but the trade off
> > is the color shifting is far less visible:
>
> >http://raptor.golden.net/~mspector/Video%20comparison.JPG
>
> Very nice picture--I'm filing it for future reference!
>
> -michael
>
> NadaPong: Network game demo for Apple II computers!
> Home page:  http://members.aol.com/MJMahon/
>
> "The wastebasket is our most important design
> tool--and it's seriously underused."- Hide quoted text -
>
> - Show quoted text -

   Yes, it is handy.   Now all it needs is the S-Video rendition in
between the OVLC and RGB versions....    Work on that, will you,
Mitchell?    ;-)

    JS