HP 12C Platinum Owner's Handbook Manual page 205

Program 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 instruc-
tions are executed
(page 93)
Ê Single step. Dis-
plays line number and
contents of next pro-
gram memory line. If
held down, displays line
number and contents of
all program memory
lines, one at a time
(page 90).
Ü Back step. Dis-
plays 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 90).
Programming Key Index
Run Mode
Pressed from Executed as a recorded
keyboard: program instruction:
t Run/Stop. Begins t Run/Stop. Stops
execution of a stored program execution
program. Stops execu- (page 98).
tion if program is run-
ning (page 87).
i Go to. Followed by
i Go to. Followed by
a three-digit number,
a three-digit number,
causes calculator to
positions calculator to
branch to the specified
that line in program
line number next, and
memory. No instruc-
resumes program exe-
tions are executed
cution from there (page
(page 101).
101).
Ê Single step. Dis-
u Pause. Stops pro-
plays line number and
gram execution for
keycode of current pro-
about 1 second and dis-
gram memory line when
plays contents of X-reg-
pressed; executes
ister, then resumes
instruction, displays
program execution
result, and moves to
(page 95).
next line when released
(page 94).
om Conditional.
Ü Back step. Dis-
o tests number in
plays line number and
X-register against that
keycode of previous
in Y-register. m tests
program memory line
number in X-register
when pressed; displays
against zero. If true,
original contents of
calculator continues
X-register when
execution at next pro-
released. No
gram memory line. If
instructions are exe-
false, calculator skips
cuted (page 95).
next line before resum-
Any key. Pressing any
ing execution (page
key on the keyboard
104)
stops execution of a
program (page 100)
209