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From: kreek@rocky2.UUCP (Mary Jeanne Kreek)
Newsgroups: net.micro.pc
Subject: Accessing EGA memory
Message-ID: <189@rocky2.UUCP>
Date: Wed, 7-May-86 11:56:49 EDT
Article-I.D.: rocky2.189
Posted: Wed May  7 11:56:49 1986
Date-Received: Sat, 10-May-86 14:08:56 EDT
Organization: Rockefeller Univ., N.Y.C. 10021
Lines: 14



Does anyone know how to make direct access to the graphics memory on
the IBM Enhanced Graphics Adapter? I have tried with char pointers and
bitfield pointers in Microsoft C, but I can only get white dots on the
screen. What I would like to do eventually is to set up a nybble array
D[640][350] (or a char array if that could be done with the second
graphics page) in the graphics memory.


Henrik Albeck
Rockefeller University
New York City
{seismo|ihnp4}!cmcl2!rna!rocky2!kreek