Radio Shack TRS-80 Model 4 Quick Reference Guide

Control Keys
Command Mode
Execution Mode
•
•
Backspaces the cursor, erasing the
preceding character
in the line.
Enters a blank space character and
advances the cursor one space.
Interrupts line entry and starts over with
a new line.
Line
feed-Starts a new physicallihe
without ending the current logical line.
Switches to either all upper case
or all
lower case.
Ends and enters the current logical line.
CS!!IfTl@ or
tCAf.sJ
COOfID
CD or
lITlillCID
(SPACEBAff)
Pauses execution. Press any other key
(except
(BREAK)) to continue.
Terminates execution and returns to
command mode.
Interprets data entered from the keyboard
with the INPUT statement.
Operators
(Parentheses)
(Exponentiation)
(Unary negative, positive)
(Multiplication, division)
(Integer division)
(Modulus)
(Addition, subtraction)
(Relational tests)
+,-
>,<, =,<=,>=,<>
NOT
AND
OR
XOR
EQV
IMP
Each operator
or group of operators is precedent over
the group below
it.
( )
1\
+,-
*,1
\
MOD
~1

Radio Shack TRS-80 Model 4 Specifications

General

Brand	Radio Shack
Model	TRS-80 Model 4
Category	Desktop
Language	English