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Routines |
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Used by the routines at BounceFlameHorizontally, BounceNastieHorizontally and BounceWanderingNastieHorizontally.
Reverses the X velocity of an actor and flips bit 1 of its sprite ID, so that it faces the other way.
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| ReverseXVelocity | A5A9 | LD A,(IX+$06) | Fetch the X velocity of the actor. | |||||
| A5AC | NEG | Reverse the X velocity. | ||||||
| A5AE | LD (IX+$06),A | Set the new X velocity of the actor. | ||||||
| A5B1 | LD A,(IX+$00) | Fetch the sprite ID of the actor. | ||||||
| A5B4 | XOR %00000010 | Flip bit 1 (the direction the actor is facing). | ||||||
| A5B6 | LD (IX+$00),A | Set the new sprite ID of the actor. | ||||||
| A5B9 | RET | Return. | ||||||
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