|
Routines |
| Prev: 36397 | Up: Map | Next: 36638 |
|
Used by the routine at ApplyCollisionEffects.
Part of ApplyCollisionEffects, used when the value in ScratchValue is zero. Only objects of type 19 are dealt with here. Purpose not yet known.
|
||||||||||
| ApplyPlayerCollision | 36554 | LD A,(IX+0) | Fetch the type of the object. | |||||||
| 36557 | CP 19 | Is it 19? | ||||||||
| 36559 | RET NZ | Return if not. | ||||||||
| 36560 | LD A,(62967) | Fetch the value from 62967. | ||||||||
| 36563 | AND A | Test it. | ||||||||
| 36564 | RET Z | Return if it is zero. | ||||||||
| 36565 | LD A,(51453) | Fetch the value from 51453. | ||||||||
| 36568 | XOR (IX+7) | Combine the sign with the horizontal speed of the object. | ||||||||
| 36571 | BIT 7,A | Test bit 7. | ||||||||
| 36573 | RET NZ | Return if it is set. | ||||||||
| 36574 | LD A,(49788) | Fetch the value from 49788. | ||||||||
| 36577 | LD H,A | Use it as the horizontal position. | ||||||||
| 36578 | LD A,(49789) | Fetch the value from PieceVariables_SecondSprite. | ||||||||
| 36581 | ADD A,8 | Add eight. | ||||||||
| 36583 | LD L,A | Use it as the vertical position. | ||||||||
| 36584 | LD A,80 | A=80. | ||||||||
| 36586 | CALL LimitHeight | Work out the position. | ||||||||
| 36589 | LD E,B | Use the result as the height. | ||||||||
| 36590 | LD D,12 | Set the width to 12. | ||||||||
| 36592 | LD IX,43940 | Use the hit data at CollisionBox. | ||||||||
| 36596 | CALL TestBoxesOverlap | Check for a hit. | ||||||||
| 36599 | LD A,(23580) | Fetch the value from ScratchValue. | ||||||||
| 36602 | AND A | Test it. | ||||||||
| 36603 | RET Z | Return if it is zero. | ||||||||
| 36604 | LD A,128 | Set CollisionKind to 128. | ||||||||
| 36606 | LD (53436),A | |||||||||
| 36609 | LD IX,(44358) | Fetch the address of the object that was hit from CurrentObject. | ||||||||
| 36613 | LD H,(IX+7) | Fetch its horizontal speed into HL. | ||||||||
| 36616 | LD L,(IX+8) | |||||||||
| 36619 | CALL NegateNumber | Negate it. | ||||||||
| 36622 | SRA H | Halve it. | ||||||||
| 36624 | RR L | |||||||||
| 36626 | LD (IY+25),H | Give the result to the player as horizontal speed. | ||||||||
| 36629 | LD (IY+26),L | |||||||||
| 36632 | LD A,255 | Set Variables to 255. | ||||||||
| 36634 | LD (23616),A | |||||||||
| 36637 | RET | Return. | ||||||||
| Prev: 36397 | Up: Map | Next: 36638 |