LXP2.1 - YoungLink - Subroutine - 0x21ff0

1. IntVariableDecrement { variable: RandomAccessInt (0x0) }
2. if ((RandomAccessInt (0x0) LessThan scalar(0)))
   1. if (OnGround)
      1. CreateInterrupt { interrupt_id: None, action: Wait, requirement: (ButtonTap) }
   2. else
      1. CreateInterrupt { interrupt_id: None, action: FallSpecial, requirement: (ButtonTap) }