11 Sep
2004
11 Sep
'04
11:28 a.m.
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