Commodore CBM - Page 5

3.
Programming the PET 47
Calculator or Immediate Mode
47
A One-Line Program
49
Reexecuting in Immediate Mode
51
Modifying a Program
52
Elements
53
Numbers
53
Strings
57
Variables 58
Operators
62
Arrays
69
Functions
71
File Names
74
Writing BASIC Programs 76
Line Numbers 76
BASIC Statement Groups
78
Developing a Program
84
Modification Example Tasks
107
4.
PET BASIC
111
Format Conventions
112
BASIC Commands
112
CLR
112
CO NT
112
LIST
113
LOAD
114
NEW
117
RUN
117
SAVE
119
VERIFY
120
BASIC Statements
123
CLOSE
123
CMD
124
DATA 125
DIM 126
END 127
FOR
. NEXT [STEP]
127
GET 129
GET*
130
GOSUB
131
GOTO
131
IF.
.THEN
131
INPUT 133
INPUT*
134
LET
=
135
ON. . GOSUB
136
ON. . GOTO
136
OPEN
137
POKE
143
PRINT
143
PRINT*
145
READ
146
REM
147
RESTORE
148
VI