Re: Large model programs in Windows 3.0

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#1212

From: Scott Heyano
Date: Mon, 04 Feb 1991 20:05

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In article <1991Jan31.093651.9293@world.std.com> goodearl@world.std.com (Robert Goodearl) writes:
|In article <2560@plx.UUCP> sun!plx!johnc (John Ciccarelli) writes:
|>In article <1991Jan30.003343.23383@watserv1.waterloo.edu> tom@mims-iris.waterloo.edu (Tom Haapanen) writes:
|>
|>> I ...understand that a (large model) program is limited to a 
|>> single instance ... can someone explain *why* it is so?
|>
|>I haven't looked at this issue in Win3, but in previous releases the 
|>"default DS" of every instance of a large-model app had the same
|>physical address!  We verified this with Heapwalk.
|>
|Actually, large model in Windows 3.0 is limited to a single instance because
|with certain memory references
	Limited in the sense that you shouldn't try to run two instances,
	or you can't run two instances
	(i.e. windows will detect the situation and not allow the second
	instance)?

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References: <1991Jan30.003343.23383@watserv1.waterloo.edu> <2560@plx.UUCP> <1991Jan31.093651.9293@world.std.com>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!thunder.mcrcim.mcgill.edu!snorkelwacker.mit.edu!mit-eddie!uw-beaver!uw-june!wolf.cs.washington.edu!slh
From: slh@wolf.cs.washington.edu (Scott Heyano)
Newsgroups: comp.windows.ms.programmer
Subject: Re: Large model programs in Windows 3.0
Keywords: large model multiple instance
Message-ID: <14875@june.cs.washington.edu>
Date: 4 Feb 91 20:05:07 GMT
References: <1991Jan30.003343.23383@watserv1.waterloo.edu> <2560@plx.UUCP> <1991Jan31.093651.9293@world.std.com>
Sender: news@cs.washington.edu
Reply-To: slh@wolf.cs.washington.edu (Scott Heyano)
Organization: Computer Science & Engineering, U. of Washington, Seattle
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