Date   : Sat, 06 Nov 2010 18:33:16 +0000
From   : list-a_cloud9.bbc-micro@... (Theo Markettos)
Subject: Reversing the Tube ULA

In article <E1PEWVt-0006RG-00@...> you wrote:
> I know someone who claimed to be involved in designing it.  I sent him an
> email earlier in the week asking if he had any design details, but haven't
> heard anything as yet :(

I got a reply.  Peter Robinson writes:
(hope he doesn't mind me copying this here)

: Well, I actually have a test plot of the master for the mask of the video
: ASIC in the corner of my office together with the underlays that show the
: ULA components.  I used to have our own plots combining the two, but seem to
: have lost them.  Of course, I used to have digital versions of the HDL and
: layout for the chip, but I guess they rotted away some time ago.
:
: I also have a VHS tape of the chip being inspected in an electron
: microscope, but again I don't know if it is still readable.
:
: I'll try to sort through them all some time when I have a moment to spare
: and see if there is anything useful.

Hopefully something will be :)

Theo