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Mail Archives: djgpp/1996/07/12/09:45:41

Xref: news2.mv.net comp.os.msdos.djgpp:5913
From: alaric AT abwillms DOT demon DOT co DOT uk (Alaric B. Williams)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: DMA-Transfer
Date: Fri, 12 Jul 1996 12:39:36 GMT
Lines: 38
Message-ID: <837175091.12151.2@abwillms.demon.co.uk>
References: <55611E426F9 AT merlin2 DOT e-technik DOT uni-erlangen DOT de>
NNTP-Posting-Host: abwillms.demon.co.uk
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

"Michael Schuster" <Schuster AT eev DOT e-technik DOT uni-erlangen DOT de> wrote:

>Hi !

>I've read a lot of stuff about DMA, I've read the DMA.C of the new 
>Allegro 2.1 and the FAQ.
>So now I wonder if someone out there has already done a dma-tranfer 
>- not with a soundcard, but a simple i/o card.

Which simple i/o card? DMA is used by the floppy disk controllers,
sound cards, dram refresh, and little else! Perhaps you mean a network
card?

>So, if so, could you gimme a hand ?

Sure!

> Any pointment to a homepage or *real* good book would also be cool.

OK, a pretty cool book on PC hardware is PC Intern (ISBN 1557552827),
but there's a lot of misprints. They're rather obvious, but in a few
places, numbers of ports etc. are printed wrong, and you have to
deduce a bit. Apart from that, it covers lots of chips (DMAC, PIC,
DSP, OPL2, CRTC, etc).

And you can always ask me questions, if you want; I've written a sound
blaster driver... but I still can't get 16 bit DMA working!!!

>Michi


ABW
--
I have become... Comfortably numb...

Alaric B. Williams Internet : alaric AT abwillms DOT demon DOT co DOT uk
<A HREF="http://www.hardcafe.co.uk/Alaric/">http://www.hardcafe.co.uk/Alaric/</A>

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