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Message-ID:	<5587DC97.6010503@yahoo.no>
Date:	Mon, 22 Jun 2015 11:59:51 +0200
From:	"Gisle Vanem (gvanem AT yahoo DOT no)" <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> <5587C26B DOT 6010800 AT gmail DOT com>
In-Reply-To:	<5587C26B.6010800@gmail.com>
Reply-To:	djgpp AT delorie DOT com

Frank Sapone (emoaddict15 AT gmail DOT com) wrote:

> I was hoping maybe somebody knew of a quirk of using regs to check a value that NTVDM would only give back.

djgpp already has a check for the true-version. Look in
.\src\LIBC\DOS\DOS\getdos_v.c. Hence use something like:

   if (_get_dos_version(1) == 0x0532)
     puts ("NTVDM");

I.e. DOS 5.50.

-- 
--gv

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