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Date: | Sun, 17 Dec 2000 21:25:37 +0200 |
From: | "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il> |
Sender: | halo1 AT zahav DOT net DOT il |
To: | Kai Dietrich <toepferei DOT dietrich AT t-online DOT de> |
Message-Id: | <7263-Sun17Dec2000212536+0200-eliz@is.elta.co.il> |
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CC: | djgpp AT delorie DOT com |
In-reply-to: | <3A3CFCC1.DE115FD0@t-online.de> (message from Kai Dietrich on |
Sun, 17 Dec 2000 18:49:53 +0100) | |
Subject: | Re: replace uclock |
References: | <Pine DOT SUN DOT 3 DOT 91 DOT 1001217130557 DOT 5306C-100000 AT is> <3A3CFCC1 DOT DE115FD0 AT t-online DOT de> |
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> From: Kai Dietrich <toepferei DOT dietrich AT t-online DOT de> > Newsgroups: comp.os.msdos.djgpp > Date: Sun, 17 Dec 2000 18:49:53 +0100 > > "To be able to play music in the background in MS-DOS, and to keep proper > tempo with all sound cards, MIDAS needs to use the system timer (IRQ 0, > interrupt 8) for music playback. Because of this, user programs may not > access the timer directly This will surely interfere with uclock. > I need an accuracy of about 1-5 ms. Do you need a periodic interrupt, or just to measure time between two events? The CMOS real-time clock has an accuracy of less than 1 ms, but the exact method to employ that depends on what exactly do you need to do with time information.
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