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Date   : Tue, 26 Oct 2010 11:13:14 +0200
From   : kortink@... (John Kortink)
Subject: Reversing the Tube ULA (destructively)

On Tue, 26 Oct 2010 06:24:32 +0200, Rick Murray <rick@...>
wrote:

>[...]
>
>The Tube does DMA!?

Yes. But it's only a slight tweak, which results in an
access cycle much like any other.

And only the 80186 co-pro uses it.


John Kortink

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Email    : kortink@...         
Homepage : http://www.inter.nl.net/users/J.Kortink

GoMMC, the ultimate BBC B/Master/Electron storage system :
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ReCo6502, the Acorn 6502 Second Processor on steroids :
http://web.inter.nl.net/users/J.Kortink/home/hardware/reco6502
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