how to do 540 dunk at slamdunk contest ?

[n1ka]

i saw the cpu doing it few times
and i want to do it too ):

[Patr1ck]

Use One foot 180 gather (Dunk Button)
Press and hold modifier (Superstar Trigger)
Rotate Left Analog two times counter clockwise
Press any face(Dunk/Layup/Shoot/Pass) button to finish.

Words in bold has to be done quickly during the gather.

[n1ka]

tnx pdub
wow this is damn hard