Commodore 128 Programmer's Reference Manual page 538

528 COMMODORE 128
C128 Memory Map (continued)
MEMORY
ADDRESS
LABEL
HEXADECIMAL DECIMAL
ADDRESS ADDRESS DESCRIPTION
SIDREG6
SIDREG7
SIDREG8
SIDREG9
SIDREG10
SIDREG11
D406
D407
D408
D409
D40A
D40B
SID REGISTERS
54278 VOICE 1 SUSTAIN/RELEASE
SIDREG12
SIDREG13
SIDREG14
SIDREG15
SIDREG16
SIDREG17
D40C
D40D
D40E
D40F
D410
D411
54279
54280
54281
54282
54283
54284
54285
7-4
3-0
VOICE
VOICE
VOICE
VOICE
VOICE
7
6
5
4
3
2
1
0
VOICE
7-4
3-0
VOICE
7-4
3-0
SUSTAIN (0-15)
RELEASE (0-15)
2 FREQUENCY LO
2 FREQUENCY HI
2 PULSE WIDTH LO
2 PULSE WIDTH HI (0-15)
2 CONTROL REGISTER
NOISE (1=NOISE)
PULSE (1 = PULSE)
SAW (1 = SAWTOOTH)
TRI (1 = TRIANGLE)
TEST (1 = DISABLE
OSCILLATOR)
RING (1=RING MODULATE
OSC 2 WITH OSC
1 OUTPUT)
SYNC (1 = SYNCHRONIZE
OSC 2 WITH OSC
1FREQ)
GATE (1 = START ATTACK/
DECAY/SUSTAIN
0=START RELEASE)
2 ATTACK/DECAY
ATTACK (0-15)
DECAY (0-15)
2 SUSTAIN/RELEASE
SUSTAIN (0-15)
RELEASE (0-15)
\ (
U
u
u
54286 VOICE 3 FREQUENCY LO
54287 VOICE 3 FREQUENCY HI
54288 VOICE 3 PULSE WIDTH LO
54289 VOICE 3 PULSE WIDTH HI (0-15)
LJ
u