The RWC (Row Wide Command) is defined by the first 3 bits of the first Byte in the 16 byte row.
| Byte | Bits | Range | Definition |
| 0 | 0-2 | 0 | NEW SONG |
| | 3-7 | 0-31 | Not used |
| 1 | 0-5 | 0-63 | Not used |
| | 6-7 | 3 | RWC Row |
| 2 | 0-7 | 0-255 | Song Tempo |
| 3-15 | 0-6 | 32-127 | Song Name(13 Characters) |
| Byte | Bits | Range | Definition |
| 0 | 0-2 | 1 | END SONG |
| | 3 | 0 | Normal End |
| | | 1 | Silence Song |
| | 4-7 | 0-15 | Not used |
| 1 | 0-5 | 0-63 | Not used |
| | 6-7 | 3 | RWC Row |
| 2 | 0-7 | 0-127 | Loop to Row (0 for No Loop) |
| 3-15 | 0-7 | 0-255 | Not Used |
| Byte | Bits | Range | Definition |
| 0 | 0-2 | 2 | FADE SONG(Not Used) |
| | 3 | 0 | Fade In |
| | | 1 | Fade Out |
| | 4-7 | 0-15 | Not used |
| 1 | 0-5 | 0-63 | Not used |
| | 6-7 | 3 | RWC Row |
| 2 | 0-7 | 0-255 | Fractional rate |
| 3-15 | 0-7 | 0-255 | Not Used |
| Byte | Bits | Range | Definition |
| 0 | 0-2 | 3 | IRQ RATES |
| | 3-7 | 0-31 | Not used |
| 1 | 0-1 | 0-3 | SFX Rate |
| | 2-5 | 0-15 | Not used |
| | 6-7 | 3 | RWC Row |
| 2 | 0-1 | 0-3 | Note Tempo Rate |
| | 2-7 | 0-63 | Not Used |
| 3-15 | 0-7 | 0-255 | Not Used |
| Byte | Bits | Range | Definition |
| 0 | 0-2 | 4 | SHARING BEHAVIOUR |
| | 3-4 | 0-3 | Not used |
| | 5 | 0 | PROCSFX |
| | | 1 | WAITSFX |
| | 6-7 | 0-3 | Not Used |
| 1 | 0-5 | 0-15 | Not used |
| | 6-7 | 3 | RWC Row |
| 2 | 0-2 | 0-7 | Sharing Ticks |
| | 3-7 | 0-31 | Not Used |
| 3-15 | 0-7 | 0-255 | Not Used |
| Byte | Bits | Range | Definition |
| 0 | 0-2 | 5 | NOTE OFFSET |
| | 3-7 | 0-31 | Not Used |
| 1 | 0-5 | 0-15 | Not used |
| | 6-7 | 3 | RWC Row |
| 2 | 0 | 0 | Do not apply to Track A |
| | | 1 | Apply to Track A |
| | 1 | 0 | Do not apply to Track B |
| | | 1 | Apply to Track B |
| | 2 | 0 | Do not apply to Track C |
| | | 1 | Apply to Track C |
| | 3 | 0 | Do not apply to Track D |
| | | 1 | Apply to Track D |
| | 4 | 0 | Do not apply to Track E |
| | | 1 | Apply to Track E |
| | 5 | 0 | Do not apply to Track F |
| | | 1 | Apply to Track F |
| | 6 | 0 | Do not apply to Track G |
| | | 1 | Apply to Track G |
| | 7 | 0 | Do not apply to Track H |
| | | 1 | Apply to Track H |
| 3 | 0-5 | 0-63 | Note Offset |
| | 6-7 | 0-3 | Note used |
| 4-15 | 0-7 | 0-255 | Not used |
| Byte | Bits | Range | Definition |
| 0 | 0-2 | 6 | RESOLUTION SETTINGS |
| | 3 | 0 | 5 Bit Noise |
| | | 1 | 7 Bit Noise |
| | 4 | 0 | 4 Bit Volume |
| | | 1 | 6 Bit Volume |
| | 5-7 | 0-7 | Not used |
| 1 | 0-5 | 0-15 | Not used |
| | 6-7 | 3 | RWC Row |
| 2-15 | 0-7 | 0-255 | Not used |
| Byte | Bits | Range | Definition |
| 0 | 0-2 | 7 | Not Used |
| | 3-7 | 0-31 | Not Used |
| 1 | 0-5 | 0-15 | Not used |
| | 6-7 | 3 | RWC Row |
| 2-15 | 0-7 | 0-255 | Not used |
