Routines
Prev: 678c Up: Map Next: 67c6
67b6: Rocket thruster SFX, and Jet Fighter explosions.
Used by the routines at 63a3, 6690 and 66b4.
Input
IX Jetman or Rocket object.
67b6 ld a,(ix+$02) Y position
67b9 rrca Change pitch based on vertical position
67ba rrca
67bb rrca
67bc rrca
67bd and $7f
67bf or $40
67c1 ld d,a Pitch
67c2 ld c,$10 Duration
67c4 jr $67db Play square wave sound
Prev: 678c Up: Map Next: 67c6