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Mail Archives: djgpp/2015/06/22/04:08:22

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Mon, 22 Jun 2015 01:08:13 -0700 (PDT)
Message-ID: <5587C26B.6010800@gmail.com>
Date: Mon, 22 Jun 2015 04:08:11 -0400
From: "Frank Sapone (emoaddict15 AT gmail DOT com)" <djgpp AT delorie DOT com>
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To: djgpp AT delorie DOT com
Subject: Re: Detecting Windows NT in DJGPP
References: <201506091712 DOT t59HCPci004068 AT delorie DOT com> <55775E64 DOT 2090901 AT gmail DOT com> <CAB9Rao-Njdr-CB=vqHnb+TVDmXu3eXqsB5CHB7V0kDwBEsM-WQ AT mail DOT gmail DOT com> <5579ED42 DOT 6070309 AT gmail DOT com> <CAB9Rao8cvu3hLEf=KsRWn7woXka0F9Aax7uM9Jj5QqCO=1bL8w AT mail DOT gmail DOT com> <5579FE8D DOT 3080501 AT gmail DOT com> <557B436F DOT 1050101 AT gmx DOT de> <fe60143b-fe03-451f-84d4-a7d59a67cefc AT googlegroups DOT com> <d1f33445-bef3-42d5-a343-55fed9868908 AT googlegroups DOT com> <779efaf6-8ebf-4f2a-a526-a2773e3909b4 AT googlegroups DOT com> <4131b54f-b34d-4a84-ada6-3443ed9efce9 AT googlegroups DOT com> <20150618-004800 DOT 313 DOT 0 AT Your-Name-Here DOT News> <fda73a64-d86c-400d-a78d-4d11b067d138 AT googlegroups DOT com> <CAA2C=vCYCjih4r38XZ45TURJPxpKAF40kakFM8iRizDH08QbVQ AT mail DOT gmail DOT com> <65ad24c7-0888-4526-9395-e262f348a021 AT googlegroups DOT com> <5584B697 DOT 60303 AT gmail DOT com> <CAA2C=vDpU5XoXZ=3MNiaE1zY8FEwGm_Cki4bd8mQpBFJ9DZ2Vw AT mail DOT gmail DOT com> <5587B696 DOT 10304 AT gmail DOT com> <CAA2C=vCOrPG=5cSvFn89aqy-1BDu=3TGbVbxXovhrMrTH29RiQ AT mail DOT gmail DOT com>
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Reply-To: djgpp AT delorie DOT com

> The allegro library (allegro-4.2.3.1, http://alleg.sourceforge.net/)
> has a detect_os() procedure in its src/dos/dsystem.c. Its NT detection
> is based on environment variable check, though, along with a call to
> _get_dos_version().
>
> --
> O.S.
I was hoping maybe somebody knew of a quirk of using regs to check a 
value that NTVDM would only give back.

Frank

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