Go to the cheat menu and enter the following code: 8(B).

Enter X, X, X, X, X, X, X, X at the cheats screen under the options menu.

Go to the cheat menu and enter the following code: 4(A), X, Y, 2(A).

Enter X, Y, X, Y, A, A, B, B at the cheats screen under the options menu.

Go to the cheats menu and enter the following code: X, Y, X, Y, 2(A), 2(B).

Enter B, B, B, B, B, B, B, B at the cheats screen under the options menu.

Go to the cheat menu and enter this code: Y, X, B, X, Y, A, B, A.

Enter X, A, X, Y, A, X, A, X at the cheats screen under the options menu.

Enter Y, Y, Y, Y, Y, Y, Y, Y at the cheats screen under the options menu.