|
Routines |
| Prev: 57513 | Up: Map | Next: 57623 |
|
Used by the routine at Handle_Bubble.
Moves a bubble that is not in the room that Sabreman is in. The bubble rises by two pixels each time. The countdown in byte 10 removes the bubble when it reaches zero. A bubble in a room with a ceiling is removed when it reaches the ceiling. A bubble in a room with no ceiling moves into the room above when it reaches the top.
|
||||||||
| Move_Distant_Bubble | 57576 | DEC (IX+10) | Decrease the countdown and jump to Remove_Unseen_Weapon to remove the bubble when it reaches zero. | |||||
| 57579 | JP Z,Remove_Unseen_Weapon | |||||||
| 57582 | SET 0,(IX+15) | Set bit 0 of the redraw flags, as the bubble is not on the screen. | ||||||
| 57586 | LD A,(IX+3) | Fetch the y position. | ||||||
| 57589 | SUB 2 | Subtract two. | ||||||
| 57591 | LD (IX+3),A | Store the y position. | ||||||
| 57594 | BIT 0,(IX+11) | Jump to Move_Distant_Bubble_No_Ceiling if the room had no ceiling. | ||||||
| 57598 | JR Z,Move_Distant_Bubble_No_Ceiling | |||||||
| 57600 | CP 66 | Remove the bubble if the y position is less than 66. | ||||||
| 57602 | JP C,Remove_Unseen_Weapon | |||||||
| 57605 | RET | Return. | ||||||
| Move_Distant_Bubble_No_Ceiling | 57606 | CP 34 | Return if the y position is 34 or more. | |||||
| 57608 | RET NC | |||||||
| 57609 | LD (IX+3),191 | Set the y position to 191. | ||||||
| 57613 | DEC (IX+4) | Move the bubble to the room above. | ||||||
| 57616 | CALL Read_World_Map | Read the world map entry of the room that the bubble is in now. | ||||||
| 57619 | LD (IX+11),E | Store the flags of the room in the contact flags. | ||||||
| 57622 | RET | Return. | ||||||
| Prev: 57513 | Up: Map | Next: 57623 |