Radio Shack TRS-80 Model 4 Quick Reference Guide

DATA constanl,..,
Stores numeric and string constants to be accessed
by a READ statement.
1340 DATA NEW YORK. CHICAGO. LOS
ANGELES. PHILADELPHIA. DETROIT
1350 DATA 2.72. 3.14158. 0.0174533.
57.28578
DATE$
Returns today's date,
PRINT DATE$
DEFDBL/INT/SNG/STR
DEFDBL letter ....
DEFINT letter ••••
DEFSNG letter ....
DEFSTR letter ••••
Defines any variables beginning with the letler(s) as:
mSLl double precision, C1NTl integer, (SNGl single
precision,
or (STRl string,
10 DEFDBL L-P 10 DEFINT I-N. W. Z
10 DEFSNG I. Q-T 10 DEFSTR A
DEF FN function name [(argument",)] = function
definition
Defines function name according to function
definition, The argument represents those variables in
the function definition that are to be replaced when the
function is called,
DEF FNR=RND(80)+8
DEFUSR [digit] = address
Defines the starting address for digit assembly-
language subroutines.
DEFUSR3 = ~,H7D00
DEFUSR = (BASE + 18)
DELETE line] - ]ine2
Deletes from line 1 to line2 of a program in memory.
DELETE 70 DELETE 50-110 DELETE
DIM array (dimension(s)), array (dimension(s))""
Sets aside storage for the arrays with the dimensions
you specify,
DIM AR(100) DIM Ll%(8.25)
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Radio Shack TRS-80 Model 4 Specifications

General

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