[Coco] Fake colors on S-Video

Christopher Hawks chawks at dls.net
Wed Aug 29 07:21:08 EDT 2012


Retro Canada said the following on 08/28/2012 11:21 PM:
> First: Hi, lemme introduce myself, my name is Felipe.
>
> I'm new here. I had a coco2 clone back in the 80's and recently I bought a
> coco3 from a thrifty store and now I'm back on coco scene.
>
> I bought the Hawksoft's s-video converter which is great but as RGB output
> it kills the fake NTSC colors for PMODE4 games, Well, I managed to get some
> back. So I'm faking the fake colors :P
>
> I did a dirty experiment where I got the luma signal from the s-video
> adapter and as chroma signal I used the coco3's composite output
>
> Here are the results:
>
> http://t.co/G79UKmwY
> http://t.co/8T55kEsy
> http://t.co/EMKJQhEb
>
> comparing to the composite, i have similar but stripped colors with sharper
> black pixels:
>
> http://t.co/cpmVeJ1z
> http://t.co/SMiay4wo
>
> I think if I use a resistor like 300ohms on the composite output I'll get
> better results. I need to switch the cables, so maybe I'll make a cable
> with a switch button on it.
>
> That's it.
>
> Felipe.
>

Felipe:

	COOL!!! That looks good! The RGB-Svideo adapter does produce a composite 
output, but, I didn't connect it.

-- 
Christopher R. Hawks
HAWKSoft
------------------------
"After all, how do you give Microsoft the benefit of the doubt when you
know that if you throw it into a room with truth, you'd risk a
matter/anti-matter explosion."
	-- From N. Petreley's column, "Down to the Wire", sept. '96 issue
		of Inforworld



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