3 ms·

Related from 1981: https://news.ycombinator.com/item?id=20013486 https://news.ycombinator.com/item?id=20013486

• wkjagt 3y ago
  Oh wow, he uses the 60hz signal from the video circuitry. That's way more convenient than a big wall clock ;) And he even uses the same interrupt gating idea for the interrupts by using the game port.
  • lisper 3y ago
    He is me :-) And yes, that's exactly right.
    • wkjagt 3y ago
      Ha, even cooler! Very nice to see :-)