Path: 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 Lines: 11 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."