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Article #5766

Re: Multitasking GEM

#5766
From: Sean Hickey
Date: Tue, 14 Nov 1989 18:26
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In Info-Atari16 digest #368 Greg Csullog says :-

>Apparently DRI is going to release a multitasking GEM for '386 machines.
>Atari ported GEM for 8088s to the 68000, can it port GEM OS/386 to the
>68030

    DRI already has a multitasking version of GEM ( GEM/XM ) that will even
run (though very slowly ) on 8088 machines. It handles the actual multitasking
quite effectively. It's doesn't take an ideal approach to the user interface
Even though GEM programs can run in the background you can't have windows
from more than one task on the screen at once. You must switch to the
background task using the Desktop menu. Context switching is only carried
out when certain GEM calls are used ( a bit like Desk accessories really ).
    I'm not sure if it multitasked DOS ( non-reentrant ) or if they used
their own DOS-Plus/Concurrent DOS ( pretty like DOS except that they are
re-entrant )
    It will even dynamically swap programs in and out of memory as required.
It was a bit of a flop as a product so hopefully this new 386 version will
be much better, and that Atari or perhaps some 3rd party ( don't laugh - there
is a third party implementation of GEM version 2.0 for the ST, by a Dutch compa
ny I think ), will port it for the ST/TT.

            Padraig
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From: OHICEH89@IRLEARN.BITNET (Sean Hickey)
Newsgroups: comp.sys.atari.st
Subject: Re: Multitasking GEM
Message-ID: <8911160802.AA25587@ucbvax.Berkeley.EDU>
Date: 14 Nov 89 18:26:55 GMT
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