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Routines |
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The routine for objects of type 96 to 111, the monsters. A monster moves about, changing direction from time to time, and kills the player if it touches the player.
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| UpdateMonster | 55631 | LD A,(IX+0) | Set the offset of the pitches for the monster from its type. | |
| 55634 | RLCA | |||
| 55635 | RLCA | |||
| 55636 | AND 240 | |||
| 55638 | LD C,A | |||
| 55639 | LD B,0 | |||
| 55641 | LD HL,50013 | Play the sound for the monster if it has been drawn. BC holds only the offset of the pitches, so they are read from the ROM, and the address of the table that is loaded into HL is not used. | ||
| 55644 | CALL PlayFlaggedSound | |||
| 55647 | LD A,(IX+5) | Set the velocity of the monster from its speed and direction. | ||
| 55650 | CALL SetVelocityFromSpeed | |||
| 55653 | CALL TestMove | Check whether the scenery blocks the move. | ||
| 55656 | CALL MoveObject | Move the monster. | ||
| 55659 | CALL UpdateDirection | Turn the monster to a new direction if its timer has run out. | ||
| 55662 | CALL SetSpriteFromDirection | Choose the sprite from the direction that the monster faces. | ||
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See Immunity To Monsters.
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| 55665 | CALL CheckPlayerCollision | Return if the monster is not touching the player. | ||
| 55668 | RET NC | |||
| 55669 | JP KillPlayer | Kill the player. | ||
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