Joker Command	D007F32C ????
Max Score	D00815D8 0000 800815D8 270F
Infinite Time	8007F366 003B
Infinite Lives	800815DC 0009
Moon Jump - Press X + Any D Button (up, down, left or right)	D007F32C 2040 80081440 0110 D007F32C 1040 80081440 0110 D007F32C 8040 80081440 0110 D007F32C 4040 80081440 0110
Field 9 Whale Can't Move	800A496C 0000
Starts On Last Field - Note	D007F368 0000 8007F368 002B

Note - The fields (stage) are not in order. Example is there is no field 10 in this game. If you enter 000A instead of 002B (last field) the game will freeze. The other fields that I managed to note down are: 2, 3, 4, 5, 6, 7, 8, 9, B, C, D, 12, 1C, 20, 21,22, 26 and 2B