Sabre Wulf: Routine at AD69

AD69: Knock Back Rhino

Used by the routine at HandlerRhino.

Turns a rhino which has been hit by the sword of the player and sends it away from the player with a velocity of 60 (to the right) or A0 (to the left), depending on which way the player is facing. A warble is played.

Input
IX	Actor record of the rhino

KnockBackRhino

AD69

LD A,($9702)

Fetch the sprite ID of the player from ImmortalData.

AD6C

BIT 3,A

Jump to KnockBackRhino_Right if the player is attacking to the right (bit 3 of the sprite ID is set).

AD6E

JR NZ,KnockBackRhino_Right

AD70

RES 1,(IX+$00)

Reset bit 1 of the sprite ID so the rhino faces left.

AD74

LD A,$A0

Set the X velocity in A to A0 (moving left).

KnockBackRhino_Velocity

AD76

LD (IX+$06),A

Set the X velocity of the rhino.

AD79

CALL PlayWarbleSound

Play the warble sound.

AD7C

JR UpdateActor

Jump to UpdateActor to update the rhino.

KnockBackRhino_Right

AD7E

SET 1,(IX+$00)

Set bit 1 of the sprite ID so the rhino faces right.

AD82

LD A,$60

Set the X velocity in A to 60 (moving right).

AD84

JR KnockBackRhino_Velocity

Jump to KnockBackRhino_Velocity.