[Coco] Re: again: CoCo RGB to VGA conversion

[Robert Emery]

--- Charlie <chazbeenhad at hotmail.com> wrote:

> Just for fun, I hooked one of my coco machines up to a VGA monitor using its
> composite video out and an AVER media device. The device lets you plug
> composite, S-video and has an RF tuner. It is in no way a "high-end" device.
> 
> The coco display looked blocky, but not bad at all. However, the 80 collum
> text screen was no more readable than if the coco was plugged directly into
> a TV using the composite output.

Exactly... however that device (probably the InstanTV...?) contains an AL250
driven by the NTSC decoder. Theoretically, it should be possible to bypass the
decoder's output and inject the CoCo3 RGB signal, maybe with a resistor network
to do ADC.

Bob



		
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