| Pulse 1 | Pulse 2 | Triangle | Noise | ||||
|---|---|---|---|---|---|---|---|
| $4000 | -------- | $4004 | -------- | $4008 | -------- | $400C | -------- |
| $4001 | -------- | $4005 | -------- | $4009 | -------- | $400D | -------- |
| $4002 | -------- | $4006 | -------- | $400A | -------- | $400E | -------- |
| $4003 | -------- | $4007 | -------- | $400B | -------- | $400F | -------- |
| Status | |||||||
| $4015 | -------- | ||||||