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Re: AppleColor RGB lines



On Apr 25, 6:37 am, "Michael J. Mahon" <mjma...@aol.com> wrote:
> Michael J. Mahon wrote:
> > Drew <goggled...@gmail.com> wrote:
>
> >>On Apr 24, 7:54 am, Michael J. Mahon <mjma...@aol.com> wrote:
>
> >>>"Christopher G. Mason" <c...@my-deja.com> wrote:
>
> >>>>On 4/23/2011 3:17 AM, Michael J. Mahon wrote:
>
> >>>>>While there are good reasons to want a VGA solution, the best results with
> >>>>>the least fiddling will always be converting 15kHz RGB to 15kHz YCrCb
> >>>>>(component video).
>
> >>>>>This is purely a real-time (no storage) analog (video opamps) solution.  It
> >>>>>has been published at least once, and should, with today's ICs, be both
> >>>>>cheap and low-powered.
>
> >>>>>I'm surprised that video gamers haven't made it more popular.
>
> >>>>>-michael  -  NadaNet 3.1:  http://home.comcast.net/~mjmahon
>
> >>>>A commonly available solution thats popular with gamers DOES exist:
> >>>><http://cgi.ebay.com/220698773448>
>
> >>>>That same box is commonly sold worldwide as the Cypress CSY-2100.
>
> >>>This looks like an excellent solution.
>
> >>I tried the CSY-2100 and wasn't impressed with the results. It could
> >>have been the LCD's i was trying it on though, but the colours were
> >>very washed out and picture wasn't very clear iirc. In my quest for
> >>finding a IIGS monitor replacement i now use a Samsung LCD with Scart
> >>(when i am not using my IIGS monitor). I have tested lots of TVs with
> >>scart and not all produce acceptable results. Some i have tested are
> >>on my blog along with my current favorite (as i can also use it as a
> >>decent PC monitor) is the Samsung T200HD.
>
> >>http://drewbiegs.wordpress.com/
>
> > Digital monitors (all LCDs) must sample, and therefore are prey to sampling
> > problems when used with discrete video signals like Apple II video.  Some
> > monitors will be better than others.
>
> > All monitors may need advanced color channel adjustments to produce
> > "standard" Apple II colors.   Or, perhaps the converter box has channel
> > adjustments...
>
> After checking:
>
> http://www.gamesx.com/wiki/doku.php?id=av:csy-2100
>
> it appears that the converter box does contain six pots.  My
> guess is that three of them adjust the RGB or component gain,
> so that you can bring the saturation to the desired levels.
>
> -michael
>
> NadaNet 3.1 for Apple II parallel computing!
> Home page:  http://home.comcast.net/~mjmahon/
>
> "The wastebasket is our most important design
> tool--and it's seriously underused."

Damn i should not have sold my CSY-2100 then :(.