(may change)
| Bits | Description |
|---|---|
| 7:6 | Tilemap clip index |
| 5:4 | ULA/Lores clip index |
| 3:2 | Sprite clip index |
| 1:0 | Layer 2 clip index |
(may change)
| Bits | Description |
|---|---|
| 7:4 | Reserved, must be 0 |
| 3 | Reset the tilemap clip index |
| 2 | Reset the ULA/LoRes clip index |
| 1 | Reset the sprite clip index |
| 0 | Reset the Layer 2 clip index |