[BBC-Micro] Reversing the Tube ULA (destructively)

John Kortink kortink at inter.nl.net
Tue Oct 26 10:13:14 BST 2010

On Tue, 26 Oct 2010 06:24:32 +0200, Rick Murray <rick at rs432.net>

>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 at inter.nl.net
Homepage : http://www.inter.nl.net/users/J.Kortink

GoMMC, the ultimate BBC B/Master/Electron storage system :

ReCo6502, the Acorn 6502 Second Processor on steroids :

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