Path: utzoo!attcan!uunet!portal!cup.portal.com!ts
From: ts@cup.portal.com (Tim W Smith)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Apple HD SC 80 does not support Asynch i/o.
Message-ID: <13500@cup.portal.com>
Date: 13 Jan 89 08:16:42 GMT
References: <11605@dartvax.Dartmouth.EDU> <271@berlin.acss.umn.edu> <27318@ucbvax.BERKELEY.EDU> <13271@cup.portal.com> <5958@polya.Stanford.EDU> <13369@cup.portal.com> <35334@think.UUCP>
Organization: The Portal System (TM)
Lines: 15

< use a VBL task.  In the driver for the Jasmine MegaDrive, I used a
< patch to _GetNextEvent (maybe _GetNextOSEvent?) because that's the
< only trap repeatedly called by the disk swap routine.  In my patch, I
...
< Mactech did suggest using a VBL task, but it looked like bad advice to
< me.  BTW, looking at the clock is much better than counting calls to
...
< Ephraim Vishniac					  ephraim@think.com

You're right - I forgot about that method.  Someone suggested it to me
as an alternative to a VBL task, but I went with the VBL task because
I have had to use them before, so it seemed that it would be quicker
to get that working.

						Tim Smith