Pulse Channel frequency chart
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| Pitch | Timer High (d2-d0) | Timer Low |
| A-1 | 07 | F0 |
| Bb1 | 07 | 7C |
| B-1 | 07 | 10 |
| C-2 | 06 | AC |
| C#2 | 06 | 4C |
| D-2 | 05 | F2 |
| Eb2 | 05 | 9E |
| E-2 | 05 | 4C |
| F-2 | 05 | 01 |
| F#2 | 04 | B8 |
| G-2 | 04 | 74 |
| Ab2 | 04 | 34 |
| A-2 | 03 | F8 |
| Bb2 | 03 | BE |
| B-2 | 03 | 88 |
| C-3 | 03 | 56 |
| C#3 | 03 | 26 |
| D-3 | 02 | F9 |
| Eb3 | 02 | CF |
| E-3 | 02 | A6 |
| F-3 | 02 | 80 |
| F#3 | 02 | 5C |
| G-3 | 02 | 3A |
| Ab3 | 02 | 1A |
| A-3 | 01 | FC |
| Bb3 | 01 | DF |
| B-3 | 01 | C4 |
| C-4 | 01 | AB |
| C#4 | 01 | 93 |
| D-4 | 01 | 7C |
| Eb4 | 01 | 67 |
| E-4 | 01 | 53 |
| F-4 | 01 | 40 |
| F#4 | 01 | 2E |
| G-4 | 01 | 1D |
| Ab4 | 01 | 0D |
| A-4 | 00 | FE |
| Bb4 | 00 | EF |
| B-4 | 00 | E2 |
| C-5 | 00 | D5 |
| C#5 | 00 | C9 |
| D-5 | 00 | BE |
| Eb5 | 00 | B3 |
| E-5 | 00 | A9 |
| F-5 | 00 | A0 |
| F#5 | 00 | 97 |
| G-5 | 00 | 8E |
| Ab5 | 00 | 86 |
| A-5 | 00 | 7E |
| Bb5 | 00 | 77 |
| B-5 | 00 | 71 |
| C-6 | 00 | 6A |
| C#6 | 00 | 64 |
| D-6 | 00 | 5F |
| Eb6 | 00 | 59 |
| E-6 | 00 | 54 |
| F-6 | 00 | 50 |
| F#6 | 00 | 4B |
| G-6 | 00 | 47 |
| Ab6 | 00 | 43 |
| A-6 | 00 | 3F |
| Bb6 | 00 | 3B |
| B-6 | 00 | 38 |
| C-7 | 00 | 35 |
| C#7 | 00 | 32 |
| D-7 | 00 | 2F |
| Eb7 | 00 | 2C |
| E-7 | 00 | 2A |
| F-7 | 00 | 28 |
| F#7 | 00 | 26 |
| G-7 | 00 | 24 |
| Ab7 | 00 | 22 |
| A-7 | 00 | 20 |
| Bb7 | 00 | 1E |
| B-7 | 00 | 1C |
The timer-low value is stored at $4006 (Pulse-2) or $4002 (Pulse-1). The timer-high value is stored at $4007 (Pulse-2) or $4003 (Pulse-1), possibly after further modification of d7-d3.
