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- The multiply unit on the PDP-8 was optional.Erik Eidt– Erik Eidt2020-09-21 15:01:09 +00:00Commented Sep 21, 2020 at 15:01
- 2The question was "why"Omar and Lorraine– Omar and Lorraine2020-09-21 17:24:44 +00:00Commented Sep 21, 2020 at 17:24
- 2@OmarL And the "why" was minimal circuitry.John Doty– John Doty2020-09-21 17:41:14 +00:00Commented Sep 21, 2020 at 17:41
- 4Well, come to that, the Baby didn't have an addition instruction either. (What it had was 'load negated' and 'subtract' instructions). And definitely the reasons why were: they didn't want to add more circuitry, and it wasn't needed.dave– dave2020-09-21 20:19:24 +00:00Commented Sep 21, 2020 at 20:19
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