Re: RGB to VGA on a IIGS (again)

[mdj <mdj.mdj@gmail.com>]

On Jun 24, 12:18 am, "Bryan Parkoff" <nos...@nospam.com> wrote:
> "mdj" <mdj....@gmail.com> wrote in message
>
> 1182580110.751279.80970@g37g2000prf.googlegroups.com">news:1182580110.751279.80970@g37g2000prf.googlegroups.com...
>
>
>
> > On Jun 23, 3:57 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> >> mcph...@yahoo.com wrote:
> >> > I know this has been asked before, but I was wondering if there were
> >> > any new RGB to VGA upscaling converters out that were particularly
> >> > good for this task. The XRGB-2 is no longer available (and was
> >> > pricey).
>
> >> > I would like to do RGB rather than composite to VGA with a GS and a
> >> > viewsonic LCD.
>
> >> Right--if you start with composite, then the result can never be
> >> any better than that, no matter what format you convert to.
>
> > The 'simple' solution is to use an LCD TV with a SCART input on it,
> > and use Roger's IIgs->RGB cable. The results will depend on the
> > quality of the TV.
>
> > I tried this a while back with my TV (A 32" model, a bit inconvenient
> > placing atop an Apple II) and the results were quite acceptable. On my
> > Apple II though, I've now decided to regress to a green phosphor
> > monochrome display. For a non-gamer, this gives the best possible
> > results, but I would certainly like to find a small LCD TV that worked
> > well.
>
>     I would be surprised to see Video (NTSC) to VGA Converter athttp://www.ramelectronics.net/html/video-vga-gvm-2000.html.  I am sure 80
> column is unreadable on VGA screen unless digital filter is used isntead of
> analog.  Do you agree?

I'd imagine pretty much all these converters use some form of digital
storage.

80 column text tends to look a little odd, with alternate scanlines
interpreting the pixel widths slightly differently. Readable, but not
particularly clear.

What's needed is a converter that can lock onto the Apple II's dot
clock...

Matt