Swift Griggs wrote: > Machine Language Using a Program Listing Using Toggle Switches". That's > pretty hard core. I'm surprised they didn't at least use component > displays with LEDs to show the values rather than reading it straight > off some blinkenlights.
It's much easier to tell if you have a stuck bit (data or address) with simple LEDs. This was (and is) a real possibility in old machines. Trying to watch for patterns of HEX or OCT digits to provide the same info would be really tough. Bill S.
