4 ms·I'm more surprised that it already had microcode-equivalent, even if it was essentially hardcodedby ilyt 4y agoI'm more surprised that it already had microcode-equivalent, even if it was essentially hardcodedcarry_bit 4y agoI have a textbook on processor design from 1979, and microcode was the go-to technique described in it.pwg 4y agoWikipedia (https://en.wikipedia.org/wiki/Microcode#History https://en.wikipedia.org/wiki/Microcode#History) dates it back to 1951 and Maurice Wilkes.