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From: Eric.J.Baumgartner@dartmouth.edu (Eric J. Baumgartner)
Newsgroups: comp.sys.mac.programmer
Subject: Re: access internal clock for MIDI sequencer
Message-ID: <1991May21.201004.16930@dartvax.dartmouth.edu>
Date: 21 May 91 20:10:04 GMT
References: <1991May20.210209.15993@ucunix.san.uc.edu> 
 <53154@apple.Apple.COM>
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In article <53154@apple.Apple.COM>
stevec@Apple.COM (Steve Christensen) writes:

> In article <1991May20.210209.15993@ucunix.san.uc.edu> defazio@ucunix.san.uc.edu (Joseph R. DeFazio) writes:
> >I would like to use pascal to build a MIDI sequencer, and need to know how
> >to access the mac's internal clock with more accuracy than is possible using
> >the "TickCount" Toolbox routine (which has a resolution of 1/60th of a second).
> 
> How about using the Time Manager (Inside Mac volume 4, page 297).  It will give
> you 1ms resolution vs the 16ms resolution of TickCount...

How about using the MIDI Manager??  It's available from APDA, although
Apple doesn't talk about it much.  It gives you a number of different
ways to handle timing, including milliseconds, ppq and hooking into
other MIDI devices or programs.  (Why Apple didn't include it in System
7 and IM VI is beyond me.  Anyone know?)

Eric Baumgartner
Interactive Media Lab
Dartmouth Medical School