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Article #24930

Re: multitask discussion

#24930
From: jafischer
Date: Fri, 13 Feb 1987 01:16
25 lines
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	Regarding the question of multitasking on the ST without going
to a whole new operating system, or even a new environment (a la MT-Csh):
Has anyone had the opportunity to use DoubleDOS on the PC?  It's really
not a bad product, especially considering its price.  It can be more
accurately described as doubletasking, rather than multitasking, and what
it essentially does is split the machine up into two PC's, dividing up
the system memory between the two.  You can fairly easily switch between
foreground and background tasks...
	(BTW - does anyone know if the new (or old) MT-Cshell has the CTRL-Z
capability of the BSD Csh?  I'm thinking of buying it.)
	... and the background task keeps executing (i.e., it's like the
Kuma K-Switch, except the background thing keeps going).
	Anyone care to venture any opinions on how difficult this would
be to implement?  Why didn't Kuma go the one step further and make
the background task a real background task?  Is it that difficult?  In my
naiive viewpoint, it should be as "simple" :~} as knowing all of the GEM
AES & VDI (as well as the GEMDOS) global variables, and swapping the
values when the task gets blocked.  No?  Okay, what else is involved?
Anyone know what DoubleDOS does?
-- 
				- Jonathan Fischer 	(jafischer@watrose)
		or:   	watmath!watrose!jafischer
		or:   	jafischer%watrose@waterloo.csnet
		or:  	jafischer%watrose@waterloo.csnet@csnet-relay.arpa
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Path: arc1-ca.pugleaf.net!utzoo!watmath!watnot!watrose!jafischer
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!watmath!watnot!watrose!jafischer
From: jafischer@watrose.UUCP
Newsgroups: comp.sys.atari.st
Subject: Re: multitask discussion
Message-ID: <8464@watrose.UUCP>
Date: Thu, 12-Feb-87 20:16:29 EST
Article-I.D.: watrose.8464
Posted: Thu Feb 12 20:16:29 1987
Date-Received: Fri, 13-Feb-87 06:36:46 EST
References: <8019@decwrl.DEC.COM>
Reply-To: jafischer@watrose.UUCP (Jonathan Fischer)
Organization: U. of Waterloo, Ontario
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