Talk:PDP-9
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Revision as of 18:07, 23 July 2023 by Larsbrinkhoff (talk | contribs) (Just like the rest of the PDP-9, it's a mix of microcode and random logic.)
Front panel
The CONTINUE, STOP, SING INST, and SING STEP switches just pokes the RUN flip-flop. But START, EXAMINE/DEPOSIT (NEXT), and READ IN jumps to microcode. Larsbrinkhoff (talk) 19:07, 23 July 2023 (CEST)
