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From: roskill@cs.umass.edu
Newsgroups: comp.sys.mac.misc
Subject: Re: New MS Windows (?)
Message-ID: <15006@dime.cs.umass.edu>
Date: 31 May 90 22:15:24 GMT
Sender: news@dime.cs.umass.edu
Organization: COINS, UMass, Amherst
Lines: 35

In article <1990May31.072828.2220@portia.Stanford.EDU>, aaron@jessica.stanford.edu (Aaron Wallace) writes...
>This is a good point--no machine runs vaporware.  It'll be real interesting
>to see what is ported to Windows.  Maybe Windows will provide enough of a mass-
>market to help finance more Windows *and* Mac apps...

I know a lot of mac companies are very interested in porting to Windows
3.0 because of the tremendous installed base.  I understand that Microsoft
already has Word (almost identical to the mac) up and running.

>does this with Win 2.xx.  I guess I'm unclear whether or not System 6 or 7
>will support memory protection. I understood they didn't, but have been lead to
>believe otherwise.  By protection, I mean that if a program tries to address
>a chunk of memory it doesn't own, it traps and gets kicked out.  This seems to
>be a vital element to multitasking, since it protects applications from each
>others' bugs.  If System 6/7 do have this, is a PMMU needed?

If I'm thinking of what you're thinking of...then no PMMU is needed.  But I
hardly qualify as a mac memory expert.

> 
>Aaron Wallace
> 
>P.S. It must be nice to talk about System 7 w/o circumlocution.  Before 
>     Win 3.0 was released, everyone was bound by nondisclosure mumbo-
>     jumbo into talking about "possible future upgrades" of Windows!

Yeah...it is nice.

Damian

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|"Party For Your Right To Fight"  |  "Welcome to the Terrordome!"|
| Damian Roskill                  |                              |
| Roskill@cs.umass.edu            |                              |
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