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Routines |
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Used by the routine at FireShot.
Part of FireShot. Sets a random speed and, unless the object is moving fast, reverses its vertical direction.
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| ReverseVerticalSpeed | 35184 | CALL SetRandomSpeed | Give the object a random speed. | |||||||
| 35187 | LD A,(IX+18) | Fetch the second state byte of the shot. | ||||||||
| 35190 | CP 103 | Jump to FireShot_Sound if it is 103 or higher. | ||||||||
| 35192 | JP NC,FireShot_Sound | |||||||||
| 35195 | LD A,(IY+9) | Fetch the vertical speed of the object. | ||||||||
| 35198 | NEG | Negate it. | ||||||||
| 35200 | LD (IY+9),A | Store it. | ||||||||
| 35203 | JP FireShot_Sound | Jump to FireShot_Sound. | ||||||||
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