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Mail Archives: djgpp/1997/05/29/02:25:26

From: James Hetfield <metallica AT nowhere DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: virtual memory , paging ect
Date: Wed, 28 May 1997 20:24:23 -0600
Organization: AT&T WorldNet Services
Message-ID: <338CE8D7.7A56@nowhere.com>
NNTP-Posting-Host: 207.147.118.108
Mime-Version: 1.0
Lines: 14
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

I'm new to protected mode programming and im trying to write a program
that requires alot of memory. Anyway I get an error everytime that says
I dont have enough dpmi memory. Dosn't dpmi support 
up to 256 mbytes vmen. If so how do I use it? Heres some partial source
of what I'm trying to do ( this is for an emulator btw)
UWORD *RAM[0xffffff]

RAM[0]= malloc(0x80000);  /* rom image */
RAM[c00000] = malloc(0x10000);   
RAM[c40000] = malloc(0x10000); 

Someone told me I would need to write my own virtual paging
routines,handles ect, But I dont know where to begin.  Any ideas on what
to do? Thanks.

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