Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!rutgers!att!mcdchg!ddsw1!tronsbox!tron1
From: tron1@tronsbox.UUCP (HIM)
Newsgroups: comp.sys.amiga
Subject: Re:  Lies, lies, they're telling us lies...
Message-ID: <[25907d35:3029.1]comp.sys.amiga;1@tronsbox.UUCP>
Date: 21 Dec 89 07:00:27 GMT
References: <5448@nigel.udel.EDU>
Lines: 24

>that segmented architecture makes multi-tasking more efficient, because to
>change context you merely reload the code, data, and stack segments.  Instead
>of copying the entire contents of page zero, out and in, etc. etc.  Of

This IBM rep is not really with it. To do multitasking on a OS that has been
DESIGNED for it , you only change contexts by changing stacks and registers.

On "single user" OS's , where programs have been written with HARD CODED
addresses for DOS cals and all, you would have to load "page 0" and execute
from there.

THE REASON the Amiga OS doesnt USE any fixed addresses is in part to avoide
some of this.

(Its late , I know what I am trying to say , but can't say it well.

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