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Article #3387

Re: Why does uemacs run out of buffer but not in Windows?

#3387
From: Scott Telford
Date: Wed, 22 May 1991 16:11
27 lines
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In article <11180@alessia.dei.unipd.it> saint@alessia.dei.unipd.it
(Gian Uberto Lauri 228495) writes:
>In article <7526@spdcc.SPDCC.COM> jin@spdcc.COM (Jerry Natowitz) writes:
>>I have tried several releases of Microemacs 3.10, as well as 3.11 beta
>>and I still can't edit very large files.  MEWIN however, supposedly
>>built from 3.10m, doesn't have any size restriction I can find.
>Hmmm... I don't know how large is your very large file, but you seem
>to suffer from a too small memory model. Try recompiling with a larger
>memory model. MEWIN maybe works this way. I use 3.9 on some Unix
>systems and 3.10 on Amiga, and I can load the formatted manual (more
>than 150 kb without any problem.


I'm no expert on Windows programming but I think the reason is due to
how Windows applications allocate memory: ie. Windows is generally
smarter about it than DOS, and will use XMS and (in 386 mode) virtual
memory. Similarly, you won't have the same memory problems under Unix,
because of its VM.

Under DOS, the only way you can get more than ~200k files loaded is to
compile uE with a protected-mode compiler, unless Dan decides to put in
overspill-file capabilty (a la Jove) sometime (*major* modification...)

 _____________________________________________________________________________
| Scott Telford, Dept of Computer Science,               scott@cs.hw.ac.uk    |
| Heriot-Watt University, Edinburgh, UK.                 scott%hwcs@ukc.uucp  |
|_____ "Expect the unexpected." (The Hitch-Hiker's Guide to the Galaxy) ______|
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From: scott@cs.hw.ac.uk (Scott Telford)
Newsgroups: comp.emacs
Subject: Re: Why does uemacs run out of buffer but not in Windows?
Message-ID: <3053@odin.cs.hw.ac.uk>
Date: 22 May 91 16:11:41 GMT
References: <7526@spdcc.SPDCC.COM> <11180@alessia.dei.unipd.it>
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Organization: Dept of Computer Science, Heriot-Watt University, UK.
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