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Mail Archives: djgpp/1998/08/18/11:15:37

From: Endlisnis <s257m AT unb DOT ca>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: 24bit color
Date: Tue, 18 Aug 1998 00:32:08 -0300
Organization: NBTel Internet
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Message-ID: <35D8F5B8.72DA89A4@unb.ca>
References: <6raoic$7ri$1 AT nnrp3 DOT snfc21 DOT pbi DOT net>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

Keith Stropus wrote:

> Hello!  I have a question.  I got a demo program the demonstrates how to use
> VESA VBE.  I modified it to use 800x600x24.  The original program used
> 640x480x8, and used the rgb tables.  Now I cannot seem to figure out how the
> heck to use the 24bit color.  No matter what I do, I can only access 256
> colors at a time.  I have no experience in 24bit color programming.  I was
> under the impression that 24bit color meant that you could display 16million
> colors on the screen at once.  Can anyone tell me how to do this?  I would
> really appreciate it.
> thanks...

First make sure you are really in a 24-bit mode, (mode 0x115, i think), then you
just put RGB values into Video Ram instead of a color index (like in 256 mode).
BTW, what 'rgb' tables are you speaking of?

--
     (\/) Endlisnis (\/)
          s257m AT unb DOT ca
          Endlisnis AT GeoCities DOT com
          Endlis AT nbnet DOT nb DOT ca



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