Article View: comp.sys.amiga.tech
Article #11896Re: Just wondering if....
From: Dale Luck
Date: Mon, 20 Mar 1989 01:18
Date: Mon, 20 Mar 1989 01:18
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In article <10527@mcdphx.phx.mcd.mot.com> dbk@teroach.UUCP (Dave Kinzer) writes:
> Does anybody actually bother to flush the cache after DMA occurs?
>You know, like after the 2090 or Hardframe loads your program or data,
>or after the blitter moves something, or when the serial port or trackdisk
Something that may be a good idea to put into the tail end of
WaitBlit() just before returning to the caller. I think the
flush cache instruction may be priveleged though. This really
is mainly for data cache on the 68030 when using the blitter.
--
Dale Luck GfxBase/Boing, Inc.
{uunet!cbmvax|pyramid}!amiga!boing!dale
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cbmvax!bpa!rutgers!tut.cis.ohio-state.edu!bloom-beacon!apple!oliveb!amiga!boing!dale From: dale@boing.UUCP (Dale Luck) Newsgroups: comp.sys.amiga.tech Subject: Re: Just wondering if.... Keywords: Cache, DMA Message-ID: <678@boing.UUCP> Date: 20 Mar 89 01:18:31 GMT References: <10527@mcdphx.phx.mcd.mot.com> Reply-To: dale@boing.UUCP (Dale Luck) Distribution: na Organization: Boing, Milpitas, Ca. Lines: 13