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Article View: comp.sys.ibm.pc.programmer
Article #218

Extended Memory Question

#218
From: gil
Date: Wed, 28 Mar 1990 14:49
15 lines
1010 bytes
I've been reading the Extended Memory Specification from Microsoft (I
think) and have a question regarding the A20 line.

I understand that this is a CPU address line and have seen the
functions to manipulate it. How would one make use of it in an
application?

	Gil

+-----------------------------+-------------------------------------------+
| Gil Hauer                   |                                           |
| Tech Noir Inc.              |       gil@jtsv16.jts.com                  |
| Toronto +1 416 653-8276     |  or:  uunet!jtsv16!gil                    |
+-----------------------------+-------------------------------------------+
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!jtsv16!gil

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!jtsv16!gil
From: gil@jtsv16.UUCP (gil)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: Extended Memory Question
Keywords: XMS, Microsoft, A20-line
Message-ID: <1359@jtsv16.UUCP>
Date: 28 Mar 90 14:49:29 GMT
Organization: Tech Noir Inc., Toronto, Canada
Lines: 15