HP HP-65 - Figure 4-4. Editing Operations

Positioning the Pointer. To move the pointer to the
top of memory, press in RUN mode. To move
the pointer to a label, press in RUN mode, [&9 [n] ,
where [n] is the same digit or top row key as in [n]
(the label). To step through your program, use
in W/PRGM mode. You will see the successive program
codes in the display.
Insert: Pressing a key in W/PRGM mode stores the
instruction code in program memory between the dis-
played code and the following instruction code and
moves the pointer to display the code just inserted. The
bottom location drops off. Insert is not performed:
(1) For PrcMm |, [DEL], B2 . (2) For the second key of a
merged code. (3) When the pointer is at the bottom.
Display Display
Program Program
Memory Memory
Pointer
Pointer ==
O
Pushed
Down
Bottom \ Bottom
Lost
Before After
Pressing Pressing
Figure 4-4. Editing Operations