1 - Collisions disabled
2 - Timer disabled
3 - Modes 1 and 2 active
4 - Display debug codes
5 - Modes 1 and 4 active
6 - Modes 2 and 4 active
7 - Modes 1, 2, and 4 active
9 - Modes 1 and 8 active
10 - Modes 2 and 8 active
11 - Modes 1, 2, and 8 active
12 - Modes 4 and 8 active
13 - Modes 1, 4, and 8 active
14 - Modes 2, 4, and 8 active
15 - Modes 1, 2, 4, and 8 active