Cheat mode
Go to a "pick up Game" then pick a ID. Now enter a code below when the "enter codes now" message comes up.

Unlimited turbo
While Holding L press B, B, Y, Y.

Show Ball trails
While Holding L press Y, Y, Y, B.

No display bars
While Holding L press B, X, X, X.

Get Big Heads
While Holding L press X, B, B, X

Tiny Players
While Holding L press Y, Y, X, B.

Rims Explode
While Holding L press X, X, X, Y.

ABA ball
While Holding L press X, B, X, B.

Get All jerseys
While Holding L press B, Y, X, X.

Get All NBA legends
While Holding L press B, Y, Y, X.