Sabre Wulf: Routine at A964

A964: Handler: Wulf Landing

Handles the second frame of the Wulf pouncing (sprite IDs 59 and 5D). When the timer in IX+02 runs out the Wulf goes back to running with a faster velocity than before.

Input
IX	Actor record of the Wulf

HandlerWulfLanding

A964

CALL StoreEntity

Remember the previous position of the Wulf.

A967

DEC (IX+$02)

Decrease the pounce timer by one and jump to HandlerWulfLanding_Move if it is not zero.

A96A

JR NZ,HandlerWulfLanding_Move

A96C

RES 3,(IX+$00)

Reset bit 3 of the sprite ID to go back to running.

A970

LD (IX+$02),$10

Set the pounce timer of the Wulf to 10.

A974

LD A,(IX+$06)

Fetch the X velocity of the Wulf.

A977

AND A

Jump to HandlerWulfLanding_Velocity if the velocity is positive.

A978

JP P,HandlerWulfLanding_Velocity

A97B

SUB $40

Subtract 40 if the velocity is negative.

HandlerWulfLanding_Velocity

A97D

ADD A,$20

Add 20 making the velocity faster in either direction.

A97F

LD (IX+$06),A

Set the new X velocity of the Wulf.

HandlerWulfLanding_Move

A982

JP HandlerWulf_Move

Jump to HandlerWulf_Move to move the Wulf.