Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!rpi!zaphod.mps.ohio-state.edu!usc!apple!apple.com!chewy
From: chewy@apple.com (Paul Snively)
Newsgroups: comp.sys.mac.programmer
Subject: Re: double buffering considered harmful?
Message-ID: <6290@internal.Apple.COM>
Date: 22 Jan 90 17:41:41 GMT
References: <3655@hub.UUCP>
Sender: usenet@Apple.COM
Organization: Apple Computer, Inc.
Lines: 18

In article <3655@hub.UUCP> 6500stom@hub.UUCP (David Stoms) writes:
> > 1)do an asynchronous read from floppy to memory buffer A;
> >   In the meantime, the previous read from floppy, which was stored in
> >   memory buffer B, gets written to the hard disk. 
> 
> As far as I know, none of the disk drives (floppy or HD) support
> async reads or writes. Hopefully, Apple has realized this and is
> working to correct it.

You're half right; the .Sony driver actually does support async I/O 
to/from the floppies.

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Just because I work for Apple Computer, Inc. doesn't mean that they 
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