Routines
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A5BA: Reverse Y Velocity
Used by the routines at BounceFlameVertically, BounceNastieVertically and BounceWanderingNastieVertically.
Reverses the Y velocity of an actor.
Input
IX Actor record
ReverseYVelocity A5BA LD A,(IX+$07) Fetch the Y velocity of the actor.
A5BD NEG Reverse the Y velocity.
A5BF LD (IX+$07),A Set the new Y velocity of the actor.
A5C2 RET Return.
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