| Address | Description | Type | Size |
| $00950B | DEBUG: Boss defeated scene select (30 = enable) | Debug | 1 |
| $00A248 | DEBUG: Advance frame / Slow motion (00 = enable) | Debug | 1 |
| $00A256 | DEBUG: Slow motion speed | Debug | 1 |
| $00A25B | Code to handle leaving the level with Start+Select.
DEBUG:
- Change $00A268 to 00 to always allow leaving the level.
- Change $00A273 to 00 to beat the level by doing that, not just leave it. Holding A or B when doing so will activate the secret exit.
| Controller | 47 |
| $00C576 | DEBUG: Powerup select (F0 = enable) | Debug | 1 |
| $00CC84 | DEBUG: Change from [$80] to [$F0] to enable free roam mode. When enabled, hold A and press L to cycle the mode between normal, P-speed, and no-clip. See [url=https://smwc.me/m/smw/ram/7E1E01]$7E1E01[/url] for more details. | Debug | 1 |
| $00E2D3 | DEBUG: Infinite star (set to 00 to activate) | Debug | 1 |
| $00FE98 | X-position of Mario's fireball when on Yoshi (left). Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FE99 | X-position of Mario's fireball when on Yoshi (right). Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FE9A | X-position of Mario's fireball when on Yoshi and ducking (left). Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FE9B | X-position of Mario's fireball when on Yoshi and ducking (right). Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FE9E | X-position of Mario's fireball when on Yoshi (left), high byte. Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FE9F | X-position of Mario's fireball when on Yoshi (right), high byte. Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FEA0 | X-position of Mario's fireball when on Yoshi and ducking (left), high byte. Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FEA1 | X-position of Mario's fireball when on Yoshi and ducking (right), high byte. Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FEA4 | Y-position of Mario's fireball when on Yoshi (left). Only relevant if you enable the debug code at $00D087 | Coordinate | 1 |
| $00FEA5 | Y-position of Mario's fireball when on Yoshi (right). Only relevant if you enable the debug code at $00D087 | Coordinate | 1 |
| $00FEA6 | Y-position of Mario's fireball when on Yoshi and ducking (left). Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $00FEA7 | Y-position of Mario's fireball when on Yoshi and ducking (right). Only relevant if you enable the debug code at $00D087. | Coordinate | 1 |
| $049136 | DEBUG: Change to F0 to make player warp to Star Road if Select is pressed on top of Yoshi's House (tile 0x56). | Misc. | 1 |