to load zaxxon, make sure your emulator is set to level II basic.
type SYSTEM
hit enter
type ZAXXON
the program will autoload

arrow keys control the movement of your ship
spacebar fires missiles
to abort the game press (shift)+(break)
to pause the game press (shift)+(s)
to unpause the game press (enter) key

to destroy the robot
level 1 :6 hits   made anywhere on the robot or missile
level 2 :9 hits   made anywhere on the robot or missile
level 3 :3 hits   must be made on the opening where the missile is fired or
on the missile itself.
level 4 :6 hits   must be made on the opening where the missile is fired or
on the missile itself.

scores :
ground planes - 50 points
enemy fighter jets -100 points
interceptor missiles - 150 points
homing missiles - 200 points
fuel tanks - 300 points
cannons - 500 points
radar towers - 1000 points
armored robot - 1000 points

