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Mail Archives: djgpp/2004/12/20/23:46:14

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Date: Tue, 21 Dec 2004 06:45:02 +0200
From: "Eli Zaretskii" <eliz AT gnu DOT org>
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To: djgpp AT delorie DOT com
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In-reply-to: <41c73ac5$0$176$cc7c7865@news.luth.se> (message from Martin
Str|mberg on 20 Dec 2004 20:49:09 GMT)
Subject: Re: Problems with timer interrupt chaining and SmartDrv
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> From: Martin Str|mberg <ams AT speedy DOT ludd DOT ltu DOT se>
> Date: 20 Dec 2004 20:49:09 GMT
> 
> And since DOS isn't multitasking it doesn't gain anything from the
> possiblity of the CPU doing something else but waiting for IO.

Don't forget that there are TSRs even on DOS, and that Windows 3.x
used DOS file I/O.  So there _is_ something to gain from a decent
async I/O.

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