 
40 fathoms down, a menacing enemy stalks. Davy Jones'locker, or the Victoria Cross? The choice is yours. Type in this listing and voyage to the bottom of the sea. The program is menu-driven and has the following features; one or two player games, player list, top twenty hall of fame, Naval ranking system with automatic promotion and relegation, demonstration mode, sound effects and comprehensive instructions. Left to itself the computer follows a set pattern of menu options.-pressing any key returns to the main menu. Details of the game are given in the instructions, but basically, you are in control of a nuclear submarine with which you must attempt to destroy as many of the enemy fleet as possible, whilst avoiding hazards such as depth-charges, enemy subs, homing-bombs etc. There are two screen types; the 'fleet' and the 'destroyers', but each wave of the destroyers brings a new hazard. (SEE BELOW) - 1-99 Define graphics characters & set up variables
- 500-520 Menu control
- 550-564 Initialise game for 1 or 2 players
- 570-573 Automatic menu selection
- 650-668 Add new player to list
- 700-710 List players & their ranks
- 750-760 Initialise demonstration
- 850-855 Print list of rankings
- 900-925 Print score values
- 950-955 IniUalise game inks
- 1000-1040 draw screen
- 1050-1210 Initialise new game variables
- 1500-1740 Main game loop
- 1800-1860 Move mtb & drop depth charges
- 2000-2045 Test joystick input and move sub/fire
- 2200-2207 Initialise upward missile
- 2300-2310 Initialise horizontal missile
- 2900-2960 Move fleet
- 3065-3070 Drop depth charges
- 3500-3810 Move destroyers
- 4000-4070 Move upward missile when below water-line
ACU #8510
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