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Programming Key Index 273
File name: hp 12c pt_user's guide_English_HDPMF123E27 Page: 273 of 275
Printed Date: 2005/8/1 Dimension: 14.8 cm x 21 cm
Program Mode Run Mode
Active Keys:
i Go to. Followed by a
decimal point and a
three-digit number,
positions calculator to that
line in program memory.
No instructions are
executed (page 114)
Ç Single step. Displays
line number and contents
of next program memory
line. If held down,
displays line number and
contents of all program
memory lines, one at a
time (page 109).
Ü Back step. Displays
line number and contents
of previous program
memory line. When back
stepped from line 000,
goes to end of program
memory as defined by
gN. If held down,
displays line number and
contents of all program
memory lines, one at a
time (page 113).
Pressed from
keyboard:
t Run/Stop. Begins
execution of a stored
program. Stops
execution if program is
running (page 106).
i Go to. Followed by
a three-digit number,
positions calculator to
that line in program
memory. No instructions
are executed
(page 125).
Ç Single step.
Displays line number
and keycode of current
program memory line
when pressed; executes
instruction, displays
result, and moves to
next line when released
(page 114).
Ü Back step. Displays
line number and
keycode of previous
program memory line
when pressed; displays
original contents of
X-register when
released. No
instructions are
executed (page 116).
Any key. Pressing any
key on the keyboard
stops execution of a
program (page 124)
Executed as a
recorded program
instruction:
t Run/Stop. Stops
program execution
(page 122).
i Go to. Followed by
a three-digit number,
causes calculator to
branch to the specified
line number next, and
resumes program
execution from there
(page 125).
u Pause. Stops
program execution for
about 1 second and
displays contents of
X-register, then resumes
program execution
(page 117).
om
Conditional.
o tests number in
X-register against that in
Y-register. m tests
number in X-register
against zero. If true,
calculator continues
execution at next
program memory line.
If false, calculator skips
next line before
resuming execution
(page 129)