Commodore 64 User Manual page 173

SETTING VOLUME - SAME FOR ALL 3 VOICES
VOLUME CONTROL POKE5429 Settings range from 0 (off) to 15 ( loudest)
NTROL POKE THIS FOLLOWED BY ONE OF THESE NUMBERS
THIS SETTING:
(NUMBER: (0 to 15 . .. or . .. 0 to 255 depending on range)
TO PLAY A NOTE
I
C C# D D E F F# G G# A A# B C C#
HIGH FREQUENC 54273 34
36 38 40 43 45 8 51 54 57 61 64 68 72
LOW FREQUENCY 54272 75 85 126 200 52 198 127 97 111 172 126 188 149 169
WAVEFORM
PO
TRI
G LE
SAWTOOTH PU S E
NOI E
76
AN
G
33
5
S
12
PULSE RATE ( Pulse Waveform)
HI PULSE 54275 A value of 0 to 15 (for Pulse waveform only)
LO PULSE 54274
A value of 0 to 255 (for Pulse waveform only)
ATTACK/ DECAY
POKE ATK4 ATK3 ATK2 ATK1 DEC4 DEC3 DEC2 DEC1
54277 128 64 32 16 8 4 2 1
SUSTAIN/ RELEASE
POKE SUS4 SUS3 SUS2 SUS1 REL4 REL3 REL2 REL1
54278 128 64 32 16 8 4 2 1
TO PLAY A NOTE C C# D D# E F F# G G #
A A# B C C#
HIGH FREQUENCY 54280 34 36 38 40 43 45 48 51 54 57 61 64 68 72
LOW FREQUENCY 54279 75 85 126 200 52 198 127 97 111 172 126 188 149 169
WAVEFORM
POKE TRIANGLEjSAWTOOTH PULSE __ NOISE
54283
^
17
t 33 65 129
PULSE RATE
HI PULSE 54282 A value of 0 to 15 ( for Puke waveform only)
LO PULSE 54281 A value of 0 to 255 (for Pulse waveform only)
ATTACK/ DECAY
POKE
ATK4 i ATK3 ATK2 ATK1
DEC4 DEC3 DEC2 DEC1
54284 128 64 32 16
8
4 2 1
SUSTAIN RELEASE POKE SUS4
SUS3
SUS2
SUS1 REL4 REL3 REL2
REL1
54285
128 64 32 16 8 4 2 1
163