Operation Manual

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