Re: Apple ][ to VGA monitor adapter board - looking for best color decoding method

[scott@alfter.DIESPAMMERSDIE.us (Scott Alfter)]

In article <1c8828f0-6337-48fd-93b4-635edd509c30@l64g2000hse.googlegroups.com>,
 <ferdimh@gmx.de> wrote:
>Well, I think I said that. This is an expansion card to be plugged
>into slot 7 of an Apple ][, ][+, or //e. The //gs is not supported
>because of its completely different video subsystem. But if I have
>time and a GS, I might consider designing a such a card for the GS. It
>would be far more difficult to get a good picture then.

For the IIGS, a scan doubler would suffice since its video output is already
RGB.  If anything, I'd think it would be a fair bit simpler than what you're
doing.

Somewhere I have a scan doubler I picked up a while back that was built for
the Amiga.  I've never gotten it working with the IIGS, though.  In the
meantime, I just use a monitor (an NEC MultiSync 3D) that handles the IIGS's
low scan frequencies.

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