Routines
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36710: Apply Movement
Used by the routine at ControlPlayer.
Moves an entity by whole pixels on each axis, unless the flag for the axis in bits 4-5 of offset 2 is set. The flags are set by ControlPlayer and cleared again by CheckRoomBounds and CheckObstacles if the move is possible.
Input
DE The pixels to move (X in E and Y in D)
IX The entity
ApplyMovement 36710 BIT 4,(IX+2) Jump to ApplyMovement_Y if the flag for the X axis (bit 4) is set.
36714 JR NZ,ApplyMovement_Y
36716 LD A,E Fetch the X move.
36717 ADD A,(IX+3) Add the X position of the entity.
36720 LD (IX+3),A Update the X position of the entity.
ApplyMovement_Y 36723 BIT 5,(IX+2) Return if the flag for the Y axis (bit 5) is set.
36727 RET NZ
36728 LD A,D Fetch the Y move.
36729 ADD A,(IX+4) Add the Y position of the entity.
36732 LD (IX+4),A Update the Y position of the entity.
36735 RET Return.
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