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A comment on Two's complement – You beauty. Parent comment

Re:Two's complement – You beauty by aap_ on Wednesday January 11, 2017 @07:20AM (#13373427)
> CAR, CDR, RPLACA etc were machine instructions. Gordon Bell and Alan Kotok designed the -10 (and its predecessor the PDP-6) with Lisp in mind. The first Lisp Machines.

The Stanford PDP-6 apparently even had a CONS instruction at opcode 257 :)

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