Difference between revisions of "Talk:PDP-9"
From Computer History Wiki
(Just like the rest of the PDP-9, it's a mix of microcode and random logic.) |
(→Front panel: Thanks!) |
||
| Line 2: | Line 2: | ||
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. [[User:Larsbrinkhoff|Larsbrinkhoff]] ([[User talk:Larsbrinkhoff|talk]]) 19:07, 23 July 2023 (CEST) | 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. [[User:Larsbrinkhoff|Larsbrinkhoff]] ([[User talk:Larsbrinkhoff|talk]]) 19:07, 23 July 2023 (CEST) | ||
| + | |||
| + | : Thanks! I had previously noticed that a lot of the PDP-11 front panels were run by microcode, but wasn't up for working out the details of the PDP-9 front panel. [[User:Jnc|Jnc]] ([[User talk:Jnc|talk]]) 19:33, 23 July 2023 (CEST) | ||
Latest revision as of 19:34, 23 July 2023
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)
