Help setting 16 palette VGA entries

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#2659

From: Craig Blackwood
Date: Tue, 14 May 1991 23:49

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Hi,

Does anyone know how I can "trick" windows into using different colors?

Specifically, I have a VGA card and a driver which supports 16 pure
colors;  I want to write directly to the VGA card and have it change
one or more of the palette entries so that I have control over the
displayed color (it is even OK if windows resets the palette when
another application is run.)

To do this I need to know how to talk directly with the VGA card
AND do this without windows knowing that I have done it.

Any advice or help is appreciated.

Thank you,

Craig Blackwood
(415) 857-8880
Hewlett Packard

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!tut.cis.ohio-state.edu!ucbvax!hplabs!hplred!blackwoo
From: blackwoo@hplred.HP.COM (Craig Blackwood)
Newsgroups: comp.windows.ms.programmer
Subject: Help setting 16 palette VGA entries
Message-ID: <108350001@hplred.HP.COM>
Date: 14 May 91 23:49:04 GMT
Organization: Hewlett Packard Labs, Palo Alto CA
Lines: 21