Radio Shack TRS-80 26-3650 Service Manual page 15

Execution
stop
STOP
—
STOP
Stops the execution of
a
program tem-
porarily to bring the
system
into a
key-
in
wait
state.
The
execution can be
continued
by
pressing the
|
EXE
|
key.
Execution end
END
END
Signifies the
end of
a
program; the
system
returns to
its
pre-execution
state.
The
execution
of a
program,
once
ended, cannot be continued even
if
the
[EXEJ key
is
pressed.
Data
clearing
VAC
VAC
Clears
all
variable data for a
program.
Program
listing
LIST LIST
[line no.]
Displays a
listing
of
all
the
statements
in
a
program from
the designated line
number downward.
All
program
listing
LIST
A
LIST
A
Displays
a
listing
of the statements
in
all
programs.
Program
execution
RUN
RUN
[line no.]
Causes
a
program
to
start
from
the
designated
line
number.
Program
erasing
CLEAR
CLEAR
Clears the currently designated
program
area of
a
program.
CLEAR A CLEAR A
Clears
all
the programs.
Angular unit
designation
MODE
MODE
<>
5
^>
Designates trigonometric angular
units as
degree
(4),
radian
(5)
or gradient
(6).
Format
designation
SET
fEn|
SET<^
Fn
\
[ti J
(0^n^9)
Designates the
number
of effective
positions
or
number
of
decimal positions
for
the displayed numerical value.
Character
function
LEN LEN
(character
variable)
Calculates the size
of the character
variable.
MID MID
<m [,n]) Extracts n characters
from
the
mth
character
in
the exclusive character
variable
(S).
VAL VAL
(character variable)
Converts the
numbers
in a
character
variable to a
numerical
value.
Option use
SAVE
SAVE
["filename"]
Records only the
program
in
the
currently designated program area
on
tape.
LOAD
SAVE
A
LOAD
["filename"]
SAVE A
["filename"]
Calls
out the
program from
the tape
and
loads
it
to the currently designated
program
area.
Records the programs
in
all
program
areas
on
tape
at
the
same
time.
LOAD A LOAD A
["filename"]
Calls
out
all
programs from
the tape
and
loads
them
to the respective
program
areas.
PUT
PUT
["filename"]
variable
Records
the data
in
the variable
on
tape.
GET GET
["filename"]
variable
Calls
out the data
from
the tape and
loads
it
in
the
variable.
VER
VER
["filename"] Checks to confirm that the programs
or data have been recorded on the tape
properly.
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