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Date: Mon, 2 Apr 2007 02:26:03 -0400
Message-Id: <200704020626.l326Q3qV021058@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <tJCdnUJdB6ZZDo3bnZ2dnUVZ_uygnZ2d@comcast.com> (message from Jim
	Michaels on Sun, 01 Apr 2007 22:25:16 -0700)
Subject: Re: cwsdpmi "protected mode not availible" on win2k, stub don't work
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> I'm using only the latest binaries from the 2.03 compiler set of DJGPP.

Look in pub/djgpp/beta, which is the pre-release for 2.04

> I'm looking at the generated EXE code by gxx and gcc and they both
> have this at the top close to somewhere after the MZ signature of a
> standard EXE:

That's the standard 2kb stub loader, the code that gets your program
into 32-bit mode.  It talks to DPMI, and knows how to load CWSDPI if
no DPMI server is present, but does not *require* CWSDPMI.

> The application calls BIOS.H's biosdisk(): under windows XP the
> application causes Windows to throw the message: 16-bit MSDOS
> Subsystem: An application has attempted to directly access the hard
> disk, which cannot be supported.

Sounds like XP is doing the right thing, by protecting the OS from
rogue programs trying to corrupt the hard drive.