Accessing unused screen memory (ibm pc)

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#1918

From: Paal K Holmberg
Date: Thu, 28 Jan 1993 15:14

20 lines
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segment at A000. My video-card has 1mb memory, and i find it is a waste not
to be able to use more of it. I have tried to store data in the unused portion,
but with no luck. are there any special tricks i can use to access this memory ?
Any information on this is welcome.

-- 
 Paal Krebs Holmberg
 UiB
 Norway
 
 "To program, or not to program - thats not a question " ;-) 

                               |                          
                               |                           
                               |              
                              (n)             
                   X-----====(.i.)====-----X  
                      X       +++       X    
                               ~             
  		   Good flying,and check six

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Message-ID: <1993Jan28.151415.5027@alf.uib.no>

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Newsgroups: rec.games.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!pipex!bnr.co.uk!bnrgate!nott!torn!spool.mu.edu!yale.edu!ira.uka.de!math.fu-berlin.de!news.netmbx.de!Germany.EU.net!mcsun!sunic!aun.uninett.no!ugle.unit.no!alf.uib.no!klegg!s026
From: s026@brems.ii.uib.no (Paal K Holmberg)
Subject: Accessing unused screen memory (ibm pc)
Message-ID: <1993Jan28.151415.5027@alf.uib.no>
Keywords:
 i am writing a program in mode 13h, which only allows me to use the 64kb
Sender: usenet@alf.uib.no (Bergen University Newsaccount)
Organization: University of Bergen, Norway
Date: Thu, 28 Jan 93 15:14:15 GMT
Lines: 20