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Mail Archives: djgpp/1998/01/22/23:30:22

From: "John M. Aldrich" <fighteer AT cs DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: What does DPMI doing
Date: Thu, 22 Jan 1998 23:22:31 -0500
Organization: Two pounds of chaos and a pinch of salt.
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

VAMPYR wrote:
> 
> What does DPMI doing!? Why program needs it to run?

http://www.delorie.com/djgpp/doc/lexicon/#dpmi

Basically, DPMI extends the DOS 16-bit interface to allow your programs
to run in 32-bit protected mode.  This is what gives you access to
unlimited memory, as well as guarding against invalid pointer
dereferences (such as the stack overrun you found earlier), and lots
more.

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| John M. Aldrich, aka Fighteer I  |     mailto:fighteer AT cs DOT com     |
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