From:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: 32bit DOS protection mode
Date:	1 Feb 1998 08:54:37 GMT
Organization:	The National Capital FreeNet
Lines:	20
Message-ID:	<6b1d8d$jte@freenet-news.carleton.ca>
References:	<6b1bfd$qrn AT news DOT csie DOT nctu DOT edu DOT tw>
Reply-To:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
NNTP-Posting-Host:	freenet5.carleton.ca
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Charlie Root (cp79095 AT alumni DOT csie DOT nctu DOT edu DOT tw) writes:
>      Does any body know how to use djgpp to enter 32bit protection mode
>      under dos? I know Phar Lap TNT can do it. But I need a free software.


Simple. Compile something with DJGPP. It will automatically run in 32-bit
protected mode, and only in 32-bit protected mode!

To test this, write a short program that mallocks about six megabytes, and
compile and run it, using DJGPP. It will work without a NULL return unless
you use a really really tiny computer :-)
Then try a program that casts a random number to a pointer and writes
through it, and watch the stack trace print on your screen (instead of
some unpredictable weird event like a hang or a crash&burn).
--
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Paul Derbyshire ao950 AT freenet DOT carleton DOT ca pgd73 AT hotmail DOT com

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