Replicas - was Re: *** Ideas needed for developing interactive

From: Peter C. Wallace <>
Date: Sat Sep 11 11:28:57 2004

On Sat, 11 Sep 2004, Vintage Computer Festival wrote:

> On Fri, 10 Sep 2004, Tony Duell wrote:
> > > I am thinking of Sellams PDP-1 replica in Tokyo, by all accounts they
> >
> > I don't think I'd call that a replica. Correct me if I'm wrong, but I
> > thought it was based on a PC running an emulator. To me a replica of a
> > PDP1 would be a machine built as far as possible to the original
> > schematics (using more modern components if appropriate, like more common
> > tranasistors). But IMHO even the PSU should be built to the original design.

This gives me a crazy idea of building an all transistor replica of a simple
CPU (with maybe a serial ALU) on a large single surface mount card (suitable
for framing). Maybe even with SMT LEDs on most of the collector loads - lots
of blinkenlights!

Peter Wallace
Received on Sat Sep 11 2004 - 11:28:57 BST

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