Further Information; Single-Step Operations - HP -15C Owner's Handbook Manual

Keystrokes
−
| ‚ (hold)
−
l 2
t " 011
(or hold ‚)
−
| ‚ (hold)
−
l 1
| ‚
−
−
O 2
The replacement of a line proceeds like this:

Further Information

Single-Step Operations

Single-Step Program Execution. If you want to check the contents of a
program or the location of an instruction, you can single step through the
program in Program mode. If, on the other hand, running the program
produces an error, or you suspect that a portion of the program is faulty,
Display
019-
016- 45
015-
016- 45
011-44,40, 2
010- 42 31
008-
007-44,40, 1
008- 45
007-44,40, 1
006- 44
005-
006- 44
Section 7: Program Editing
40
Line 020 deleted.
4
The next line to edit is line
016 (l 4).
20
Line 016 deleted.
Line 016 changed to l 2.
2
Moves to line 011 (O+
2).
Line 011 deleted.
31
Stop! (Single-stepping
backwards to line 008:
¦.)
¦ deleted.
Line 008 changed to l 1.
1
Back-step to line 007.
4
Line 007 (O+ 1)
deleted.
20
Line 006 (O 4) deleted.
Changed to O 2.
2
85