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

J.G.Harston jgh at mdfs.net
Thu Oct 28 00:20:45 BST 2010


John Kortink wrote:
> Yes. But properly implementing nDACK can be more involved
> (depending on the logic chip) due to timing issues. Maybe
> the ARM evaluation system uses it.

No, tied to +5v.
(http://mdfs.net/Info/Comp/BBC/Circuits/armcpu.gif)

-- 
J.G.Harston - jgh at mdfs.net




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