Date: Sun, 17 Nov 1996 15:20:14 +0000
From: Bill Currie <billc AT blackmagic DOT tait DOT co DOT nz>
Subject: Re: djverify and cpu detection
To: grendel AT ananke DOT amu DOT edu DOT pl
Cc: DJGPP Workers mailing list <djgpp-workers AT delorie DOT com>
Reply-to: billc AT blackmagic DOT tait DOT co DOT nz
Message-id: <328F2D2E.69BC@blackmagic.tait.co.nz>
Organization: Tait Electronics NZ
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References: <328E6D0D DOT 168E AT ananke DOT amu DOT edu DOT pl>

Mark Habersack wrote:
> Hmm... That's correct, but the method is recommended by Intel and I
> assume that they recommend a technique which is reliable enough to use
> it in serious software. It's possible to disable interrupts before
> flipping and checking the AC bit. If the code will run in V86 mode and
> the DPMI server will virtualize the interrupt flag properly - nothing
> wrong should happen.

You should read the September(?) issue of DDJ (Undocumented corner)
about that,
Rober Colins has a lot to say, slamming (?) Intel for providing buggy
code.

Bill
-- 
Leave others their otherness.