NOP on HP-41C

[Valentin Albillo]

(11-21-2020 09:58 PM)Benoit Maag Wrote:  Likely a question that came up decades ago... what is the fastest way to implement NOP on a 41C without disturbing the stack? I have been using FIX 5 - is there a better way?

Related to this, is it faster to use:
ISG 00
FIX 5 (NOP)

or:
1
STO+00

Something like LBL 00 is best both as a NOP and after that ISG: it only takes 1 byte, has no side effects and executes fastest.

Also, the ISG is faster than the 1, STO+ and doesn't affect the stack so it doesn't lose T.

V.