From: michael AT toobie DOT demon DOT co DOT uk (Michael Kearns)
Newsgroups: comp.os.msdos.djgpp,comp.os.msdos.programmer,comp.protocols.tcp-ip.ibmpc
Subject: Re: [Severely OT] Re: An updated DOS - Please discuss
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Date: Wed, 15 Sep 1999 12:04:40 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On Tue, 14 Sep 1999 17:39:36 -0700, Nate Eldredge <neldredge AT hmc DOT edu> wrote:

>Damian Yerrick wrote:
>> 
>> Nate Eldredge <neldredge AT hmc DOT edu> wrote in message
>> news:37DD58FE DOT 54640A0E AT hmc DOT edu...
>> > Besides, most of the config files on Unix are for daemons that don't
>> > even exist on DOS.  Drop those, and things will be much simpler
>> > (though perhaps useless).
>> 
>> Don't daemons exist on DOS, in the game DOSDoom, which
>> was made with DJGPP?
>> 
>> < No, those are demons. No 'a'.
>> 
>> I knew that.
>
>Actually, look at DOOM loading sometime.
>
>R_Init: Init DOOM refresh daemon - [...................]
>
>I've often wondered how that was meant.  Perhaps DOOM had multiple
>threads and its own scheduler??

Most DOS games actually have multiple threads. They may not be implemented
in such a way, or called 'Threads', but if a game is playing music, moving a
sprite, and acknowledging(sp?) keypresses at the same time, it is
multi-threaded, as much as any single-processor machine can be.

*before the flames, I'm no hardware architect, but AFAIK, multitasking
generally means "doing more than one thing at the same time".

Michael.