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- From: dab6@po.CWRU.Edu (Douglas A. Bell)
- Newsgroups: comp.os.ms-windows.misc
- Subject: Re: Windows NT
- Date: 29 Dec 1992 19:17:17 GMT
- Organization: Case Western Reserve University, Cleveland, OH (USA)
- Lines: 24
- Message-ID: <1hq87tINN39q@usenet.INS.CWRU.Edu>
- References: <1992Dec21.154448.18823@wraxall.inmos.co.uk> <3371.2B34C4CD@catpe.alt.za>
- Reply-To: dab6@po.CWRU.Edu (Douglas A. Bell)
- NNTP-Posting-Host: thor.ins.cwru.edu
-
-
- In a previous article, des@inmos.co.uk (David Shepherd) says:
-
- >Vassilo Walluschnig (Vassilo.Walluschnig@f55.n7101.z5.fidonet.org) wrote:
- >: Hi All,
- >
- >: Okay, I got a question for all those people "in the know" about
- >: Windows NT. What would happen while running NT on a RISC machine, say
- >: the DEC Alpha, and running a DOS application in NT, and that DOS
- >: application makes a direct call to the video card? How would NT go
- >: about handling such a situation? Would it hang the application
- >: or would NT come back saying that it cannot run the program and
- >: promptly shuts the application down?
- >
- >i'd expect that NT would stop the program with a memory protection
- >violation. NT, like OS/2, and unlike DOS is a "real" OS where things
- ^^^^^^^^^
- >like i/o are handled via system calls to drivers ... writing directly
- >to a device register is not allowed.
-
- This is not correct. OS/2 does allow direct control of i/o hardware
- provided no other process is using it at the time. So most dos games
- run fine under os/2 in a full screen dos session.
- --
-