Re: C128D to SVGA

From: Spiro Trikaliotis (Trik-news_at_gmx.de)
Date: 2001-08-16 09:09:31

Hello Ruud,

"Ruud Baltissen" <Ruud.Baltissen@abp.nl> wrote:

> > interface the 4 bit RGB output of the C128
>
> I understand this: RGB + Intensity

Yes, exactly.

> > That type of cards take a 18bit digital RGB input ....
>                             ^^^^^
> And now you lost me. Please explain.

Well, another possibility for RGB is to provide 6 bits per color, so 3*6 is
18 bits... This way, the intensity is coded "inside" the color
information...

BTW: The 16 color modes of some PC graphics cards have a 6:5:5 scheme, so
two colors (I'm not sure which ones) have 1 bit less resolution than the
others...

Spiro.


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