Commodore 64 - Page 172

Graphic keys, 17, 56-57, 61, 132-137
Graphic symbols, (see graphic keys)
Greater than, 114
H
Hyperbolic functions, 140
I
IEEE-488Interface, 2-3, 141
IF . . . THEN statement, 37-39, 120-
121
INPl/T statement, 45-47, 121
INPUT#, 121
INSert key, 15
INTeger function, 126
Integer variable, 112
I/O pinouts, 141-143
I/O ports, 2-7, 141-143
J
Joysticks, 2-3, 141
K
Keyboard, 14-17
L
LEFT$function, 128
LENgth function, 128
Less than, 114
LETstatement, 121
LISTcommand, 33-34, 115
LOAD command, 115
LOADing programs on tape, 18-20
LOGarithm function, 126
Loops, 39-40, 43-45
Lower case characters, 14-17
M
Mathematics
formulas, 23-27
function table, 140
symbols, 24-27, 38, 114
Memory expansion, 2-4, 142
Memory maps, 62-65
MID$ function, 128
Modulator, RF, 4-7
Multiplication, 24, 113
Music, 79-90
N
Names
program, 18-21
variable, 34-37
NEW command, 115
NEXTstatement, 121-122
NOT operator, 114
Numeric variables, 36-37
o
ON statement, 122
OPEN statement, 122
Operators
arithmetic, 113
logical, 114
relational, 114
p
Parentheses, 28
PEEKfunction, 60-62
Peripherals, viii, 2-8, 107-109
POKE statement, 60-61
Ports, I/O, 2-3, 141-143
POS function, 129
PRINT statement, 23-29, 123-124
PRINT#, 124
Programs
editing, 15, 34
line numbering, 32-33
loading/saving (DATASSETTE),18-21
loading/saving (disk), 18-21
Prompt, 45
Q
Quotation marks, 22
R
RaNDom function, 48-53, 126
Random numbers, 48-53
READstatement, 124
REMark statement, 124
Reserved words, (see Command state-
ments)
Restore key, 15, 18
RESTOREstatement, 124
Return key, 15, 18
RETURNstatement, 124
RIGHT$ function, 128
RUN command, 116
RUN/STOP key, 16-17
5
SAVEcommand, 21, 116
Saving programs (DATASSETTE),21
Saving programs (disk), 21
Screen memory maps, 62-63, 138
SGN, function, 127
Shift key, 14-15, 17
SINe function, 127
Sound effects, 89-90
SPC function, 129
166