Is there a RPN operation that does nothing? (NOP)

[Garth Wilson]

Quote:On the HP-41 ON is not programmable.

With the ZENROM however, you can do 44 TOGF (toggle flag 44, the continuous-ON flag). That's one of the things I have my 41cx do every time I turn it on.

I have a program, TOFF, that sets flag 11 (the flag to run automatically upon turn-on) and gives some fast synthetic beeps and does OFF, assigned to a key. I don't use the ON key to turn it off. The auto-run program sets the continuous-ON flag, checks for upcoming alarms to display how long before they're due, checks my DAYTMR file to see if it's supposed to remind me of anything today, and displays the current time and date. It takes a couple of seconds.

Again though, LBL 00 through LBL 14 are all one byte each, and probably among the fastest instructions. Why wouldn't you use those for NOP.