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From: hamilton@uiucuxc.CSO.UIUC.EDU
Newsgroups: net.micro.amiga
Subject: Re: Problems with the MICROHZ timer (me
Message-ID: <148600123@uiucuxc>
Date: Sun, 10-Aug-86 15:22:00 EDT
Article-I.D.: uiucuxc.148600123
Posted: Sun Aug 10 15:22:00 1986
Date-Received: Thu, 14-Aug-86 21:58:56 EDT
References: <694@psych.uq.oz>
Lines: 18
Nf-ID: #R:psych.uq.oz:694:uiucuxc:148600123:000:851
Nf-From: uiucuxc.CSO.UIUC.EDU!hamilton    Aug 10 14:22:00 1986


>I attempted to use the MICROHZ timer to give more accurate times.
>Although the RKM doesn't mention it, it seems reasonable to be able to issue 
>a CMD_READ after adding a time request to get a "count down" value.

    reasonable or not, CMD_READ is an unimplemented command in the 1.1
timer device.  check your io_Error value after GetTime() and see if it's
-3 (IOERR_NOCMD).
    if there's any useful info to be gotten from tv_secs and tv_micros
while the time request is still pending, go ahead and read them directly;
the read request doesn't affect those values.

	wayne hamilton
	U of Il and US Army Corps of Engineers CERL
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