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Article #124

Virtual 8086 on an 80386

#124
From: Brian L. Kahn
Date: Thu, 22 Mar 1990 18:23
21 lines
1334 bytes
I am interested in running DOS and standard programs on a Virtual DOS
system using a 386 base.  The goal is a sort of augmented and paranoid
access control over the disk (and maybe network); rather than go into
that let me say for argument that I want detailed statistics on any
and all peripherals while running standard programs such as Lotus,
Word, WordPerfect, dBase, etc.  I want to tally all writes to screen
memory, all disk accesses, any bypass of BIOS such as controller or
timer reprogramming, and so on.

Can anyone offer insight into such an enterprise?  Yes I know that
performance will suffer, and a drop of 50% is OK!  I have read about
one or two virtual DOS's whose main goal is to switch between
environs, but I want to stick in a review mechanism between the
software (DOS + application) and the hardware.

ADthanksVANCE


--
B<   Brian Kahn   blk@security.mitre.org   "may the farce be with you"
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!mailrus!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!think!linus!mbunix!blk
From: blk@mitre.org (Brian L. Kahn)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: Virtual 8086 on an 80386
Message-ID: <BLK.90Mar22132317@vanity.mitre.org>
Date: 22 Mar 90 18:23:17 GMT
Sender: news@linus.UUCP
Distribution: na
Organization: The MITRE Corp. Bedford, MA
Lines: 21