From: "Michael Stewart" <mike AT reggin DOT freeserve DOT co DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: colour palettes in mode13h
Date: Mon, 25 Jan 1999 19:54:58 -0000
Organization: Customer of Planet Online
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References: <6cdff5be DOT 36aa6756 AT aol DOT com>
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Apester000 AT aol DOT com wrote in message <6cdff5be DOT 36aa6756 AT aol DOT com>...
>First, you send the color you want to change to 0x3C8h, then you send R,
then
>G, then B to 0x3C9h.  The ports are set up so that you dont have to send
the
>color you want to change for each pallete entry, instead you can do (like
you
>said)
>
> outportb(0x3C8, 0)
>  for (x=0;x<256;x++) {
>     outportb(0x3C9, red[x]);
>     outportb(0x3C9, green[x]);
>     outportb(0x3C9, blue[x]);
>   }
>
>or something similar.

Don't forget the standard palette is only 6 bit not 8 bit, so you may need
to divide by 4 to get the correct colour.