| jetpac | Routines |
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Used by the routine at 75ed.
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| 75d1 | ex af,af' | |||||||||
| 75d2 | ld a,(ix+$00) | Jetman/alien direction | ||||||||
| 75d5 | and $3f | Value must be <= 63 | ||||||||
| 75d7 | cp $03 | Jump if value == 3 (therefore never when Jetman) | ||||||||
| 75d9 | jr z,$75de | |||||||||
| 75db | ex af,af' | Restore A to entry value | ||||||||
| 75dc | jr $75fc | Vertical collision detection | ||||||||
| 75de | ex af,af' | Flip again | ||||||||
| 75df | sub $09 | |||||||||
| 75e1 | jp p,$75fc | Vertical collision detection, first incrementing by $09 if A is negative | ||||||||
| 75e4 | add a,$09 | |||||||||
| 75e6 | jr $75fc | |||||||||
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