Routines
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42426: Reverse Y Velocity
Used by the routines at BounceFlameVertically, BounceNastieVertically and BounceWanderingNastieVertically.
Reverses the Y velocity of an actor.
Input
IX Actor record
ReverseYVelocity 42426 LD A,(IX+7) Fetch the Y velocity of the actor.
42429 NEG Reverse the Y velocity.
42431 LD (IX+7),A Set the new Y velocity of the actor.
42434 RET Return.
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