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
--
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