P+ - Sonic - Common Subroutine 0x805403b0

1. CreateInterrupt { interrupt_id: None, action: LandingHeavy, requirement: (OnGround) }
2. IntVariableSet { variable: LongtermAccessInt(HitstunFramesRemaining), value: 0 }
3. LedgeGrabEnable(EnableInFront)
4. CallEveryFrame { thread_id: 9, script: 0x80fad9dc }
5. Return