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From: lsr@apple.UUCP
Newsgroups: comp.sys.mac
Subject: Re: milliseconds & NCR 5380
Message-ID: <327@apple.UUCP>
Date: Fri, 21-Nov-86 21:05:17 EST
Article-I.D.: apple.327
Posted: Fri Nov 21 21:05:17 1986
Date-Received: Sat, 22-Nov-86 06:45:23 EST
References: <302@runx.OZ>
Reply-To: lsr@apple.UUCP (Larry Rosenstein)
Organization: Advanced Development Group, Apple Computer
Lines: 24

In article <302@runx.OZ> baron@runx.OZ (Jason Haines) writes:
>
>Does anyone have any ideas/source on implementing a millsecond timer for the
>Mac?
>

You can get millisecond interrupts using the timers in the VIA.  On 128K
ROMs there is a Time Manager that provides this service in a way that will
work with future machines.

If you want to work with old ROM machines you can access the VIA timers
directly.  Inside Macintosh volume III has more information.



-- 
Larry Rosenstein

Object Specialist
Apple Computer

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