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Article #401Re: Mem to Mem DMA ??
From: Lord Eugster
Date: Thu, 20 Aug 1992 18:15
Date: Thu, 20 Aug 1992 18:15
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Yes, please post. I am interested in using DMA to transfer a MCGA 320x256 -256 color image from an aux buffer to the actual screen regen buffer at 0A000h. It would be very nice to have DMA do this for me since copying the 64k buffer to the actual screen regen buffer (0A000h) is taking up too much processor load. If there is a way for DMA to do memory-memory (or memory-video buffer) transfers, please post how. Thanks, Eugster
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arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!swrinde!mips!news.cs.indiana.edu!noose.ecn.purdue.edu!mentor.cc.purdue.edu!linet2References:
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Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!swrinde!mips!news.cs.indiana.edu!noose.ecn.purdue.edu!mentor.cc.purdue.edu!linet2 From: linet2@mentor.cc.purdue.edu (Lord Eugster) Newsgroups: alt.msdos.programmer Subject: Re: Mem to Mem DMA ?? Message-ID: <57375@mentor.cc.purdue.edu> Date: 20 Aug 92 18:15:49 GMT References: <BtAJCz.FAM@news.cso.uiuc.edu> Organization: Purdue University Computing Center Lines: 11