Re: DMA or polling (was Re: GVP controller)

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#885

From: Richard Addison
Date: Sun, 13 Aug 1989 21:16

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In article <63241@linus.UUCP> rachamp@mbunix (Champeaux) writes:
>The minimum loop required for transferring words from GVP's onboard buffer to
>main memory is the following:
>
>loop:	move  (a0)+,(a1)+	(24 clock cycles)
>	dbra  d0,loop		(18 clock cycles)

Try again.  This is an obvious way of doing it, but it is not the fastest.

Richard Addison
"No comment."

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References: <8908092130.AA23369@jade.berkeley.edu> <63241@linus.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!network!ucsd!usc!pollux.usc.edu!addison
From: addison@pollux.usc.edu (Richard Addison)
Newsgroups: comp.sys.amiga.tech
Subject: Re: DMA or polling (was Re: GVP controller)
Summary: Try again
Message-ID: <19160@usc.edu>
Date: 13 Aug 89 21:16:49 GMT
References: <8908092130.AA23369@jade.berkeley.edu> <63241@linus.UUCP>
Sender: news@usc.edu
Reply-To: addison@pollux.usc.edu (Richard Addison)
Organization: University of Southern California, Los Angeles, CA
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