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Article #46612Re: DOS video memory in DJGPP
From: I. Badcoe
Date: Fri, 04 Nov 1994 14:19
Date: Fri, 04 Nov 1994 14:19
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1530 bytes
Kimberley Burchett (OKRA@max.tiac.net) wrote: : : I downloaded DJGPP a couple of days ago to take a look and have the same : : problem. It mentioned that the first 1Mb of physical memory was mapped to : : E0000000 so I tried writing to E00A0000, it didn't crash but I saw no : : output. I don't want to use the drivers included, I want to write my own. : Video memory is mapped to 0xA000000. It works. I use it. : -- : Kimberley (OKRA@max.tiac.net) Ooops! I think I mailed some people and told them 0xd0000000 but now I see this answer I'm no longer sure (that's the problem with defining a macro for a constant, you forget the constant). It's definitely one or the other. Badders
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 11318c,3c2b9b0cb32b965f X-Google-Attributes: gid11318c,public X-Google-Thread: fe306,3c2b9b0cb32b965f X-Google-Attributes: gidfe306,public X-Google-ArrivalTime: 1994-11-04 06:19:19 PST Path: arc1-ca.pugleaf.net!nntp.gmd.de!newsserver.jvnc.net!news.edu.tw!news.cc.nctu.edu.tw!nctuccca.edu.tw!howland.reston.ans.net!pipex!uknet!daresbury!s-crim1!mbbad From: mbbad@s-crim1.dl.ac.uk (I. Badcoe) Newsgroups: gnu.gcc.help,rec.games.programmer Subject: Re: DOS video memory in DJGPP Date: 4 Nov 1994 14:19:19 GMT Organization: SERC Daresbury Lab, Warrington, U.K. Lines: 20 Message-ID: <39dft7$lhf@mserv1.dl.ac.uk> References: <39bk5k$kkp@columbia.acc.brad.ac.uk> <39bo59$7r1@sundog.tiac.net> NNTP-Posting-Host: s-crim1.dl.ac.uk X-Newsreader: TIN [version 1.2 PL2]