Re: DMA

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Article #2606

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#2606

From: wallerj
Date: Thu, 06 Apr 1989 16:27

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>Does anyone have any experience in the transfer of data to the
>transputer from an IBM PC via DMA...

If you are using a B008 board, the addresses are:

boardbase + $00  -  input data register
boardbase + $01  -  output data register
boardbase + $02  -  input status register
boardbase + $03  -  output status register
boardbase + $10  -  reset register (write only)
boardbase + $11  -  analyze register (write only)
boardbase + $10  -  error location (read only)
boardbase + $12  -  DMA request register
boardbase + $13  -  interrupt control register

where boardbase = $150, $200 or $300 depending on
the switch settings.

--Nel, CIAE

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!uunet!munnari!uqcspe!bunyip!uqvax!civax!wallerj
From: wallerj@civax.capricornia.oz.au
Newsgroups: comp.sys.transputer
Subject: Re: DMA
Message-ID: <451@civax.capricornia.oz.au>
Date: 6 Apr 89 16:27:31 GMT
Organization: Capricornia Institute, Rockhampton, Australia
Lines: 19