On Wed, 4 Jul 2018 14:54:02 +0100
Adrian Caspersz  wrote:

> Found this of retro geek interest,
>
> The Tube being not YouTube or a canned human transport system, but the
> second processor connector, where then the Pi can pretend to be a 6502
> SP, native ARM, or a 80286, and others ...

 Wow there are still working Tube chips, I am impressed. Back in the
day at Torch I decided not to use the Tube because:

a) It wasn't ready and wouldn't be in time
b) It was hideously over-engineered - we used back to back parallel ports

 I wonder if there are any Z80 disc packs still working.

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