| ← 5B10 | Map | 5B33 → |
5B28: Brick-hit and sweep pointers
| hit_brick_addr | 5B28 | DEFW $0000 | Tile-map address of the brick last struck, by a ball, an inhabitant or the starburst |
| scan_cell_ptr | 5B2A | DEFW $0000 | Tile-map address of the sweep's current cell |
| scan_anim_seq_ptr | 5B2C | DEFW $0000 | Start of the break-animation sequence the sweep plays into its current cell |
| cluster_center_addr | 5B2E | DEFW $0000 | Tile-map address of the bomb blast's center brick, or of the top-left brick slot of its 3×3 block once the bomb detonates |
| 5B30 | DEFB $00,$00,$00 | Unused |
| ← 5B10 | Map | 5B33 → |