Like the DEC PDP-8, this is a 12-bit machine, but instead of the diode-transistor logic of the ... this machine uses a bit-serial ALU, which allows the circuit to be much smaller than the more ...
The logic is actually done by crystal rectifiers ... and the next one slated for completion, the ALU. What a labor of love! The PDP-8 had a simple instruction set, so it makes sense to pick ...
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