Afterburner 2

During gameplay, press the keys Z, X, C, U, I, and O in that order
until the screen flickers. The following keys are now active:

  F5  - Extra life
  F6  - Decrease level number
  F7  - Increase level number
  F8  - Go to selected level
  F9  - Go back one level
  F10 - Advance one level

Freezer Addresses:
  Lives: 187
  Rockets: 18B
  Hits: 189
  Score: 182, 183, 184, 185