Stopping Or Interrupting A Program; Programming A Stop Or Pause (Stop, Pse); Interrupting A Running Program; Error Stops - HP 35s User Manual

Stopping or Interrupting a Program

Programming a Stop or Pause (STOP, PSE)


Pressing
will display the contents of the X-register and halt a running program until you
resume it by pressing
RTN in order to end a program without returning the program pointer to the
top of memory.
 
Pressing
This will suspend a running program and display the contents of the X–
register for about 1 second — with the following exception. If PSE
immediately follows a VIEW instruction or an equation that's displayed (flag
10 set), the variable or equation is displayed instead — and the display
remains after the 1–second pause.

Interrupting a Running Program

You can interrupt a running program at any time by pressing
program completes its current instruction before stopping. Press
resume the program.
If you interrupt a program and then press
resume the program with
number).

Error Stops

If an error occurs in the course of a running program, program execution halts and
an error message appears in the display. (There is a list of messages and conditions
in appendix F.)
To see the line in the program containing the error–causing instruction, press

. The program will have stopped at that point. (For instance, it might be a
instruction, which caused an illegal division by zero.)
(run/stop) during program entry inserts a STOP instruction. This

from the keyboard. You can use STOP rather than
during program entry inserts a PSE (pause) instruction.

. Re-execute the program instead (
 
, , or
Simple Programming
 
or . The

(run/stop) to
 
, you cannot

label line
13-19
