From: pmonks AT iname DOT com (Peter Monks)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Can I use 256 grayscale colors?
Date: Wed, 18 Jun 1997 05:10:04 GMT
Organization: Financial Market Software Consultants pty ltd
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On 12 Jun 1997 21:01:12 GMT, suganuma AT jaist DOT ac DOT jp (SUGANUMA yoshinori) wrote:

>Hello.

G'day!

>I would like to use 256 grayscale colors with djgpp.
>Is it possible? and are there any libraries to do so?

There's a VGA register that can be used to toggle grey-scaling at the hardware 
level.  I can't remember exactly which register it is, but I'm pretty sure I 
got the info from VGADOC.

It works quite nicely, and I'm pretty sure you do end up with 256 distinct 
shades of grey.

This may not work with SVGA modes, however, and I'm not sure what effects it 
will have on Allegro, JLIB or whatever.

Cheers,
Peter

----------------------------------------------------------------------
Peter Monks                    http://www.geocities.com/Yosemite/4455/
pmonks AT iname DOT com