Date   : Thu, 25 Nov 2010 23:03:40 +0000
From   : percy.p.person@... (Ed Spittles)
Subject: Electron Ferranti ULA reverse engineering progress

On 12 November 2010 19:03, Philip Pemberton <philpem@...> wrote:

> (and I'm still waiting for my copy of the ULA book, bah.)
>

Mine arrived this morning (direct from Chris Smith
http://www.zxdesign.info/book/ ) and it looks like it has a lot of useful
info: pictures of the cells in various generations of device, descriptions
of the pad ring, equivalent circuits for various types of flop.