Address Description
5C00
Routine at 5C00
66F7
Convert Screen Address To Attribute Buffer Address
6704
Convert Attribute Address To Screen Buffer Address
670E
Generate Random Number
6720
Clear Screen
672E
Clear Play-Area
676F
Print String
67A9
Print Score
67B6
Handler: Score
67F6
Print Header
681C
Print Lives
6845
Handler: 2x2 Mask
684E
Handler: Eggsplosion Left
6853
Handler: Eggsplosion Right
6856
Handler: Eggsplosion
6890
Difficulty Delay?
68A1
Print Asterisk
68B8
Transition Effect
6926
Handler: Ship Explosion
696A
Draw Alien Mothership
6A23
Handler: Mothership
6B31
Fill Screen With UDG
6B4F
Print Control Menu
6B99
Print Instructions Menu
6C9D
Check Collision
6CC9
Draw Ship
6CEE
Handler: Player Death/ Game Over
6DCF
Handler: Shield
6EF8
Handler: Ship Movement
6F43
Handler: Move Ship Left
6F93
Handler: Update Ship Attributes
6FDD
Handler: Move Ship Right
7030
Handler: Player Bullets
7159
Handler: Bullet Collision
71BE
Handler: Bullet Collision Effects
7254
Handler: Level Reset
72C9
Handler: Level Complete
730D
Handler: Display Mothership Bonus
7407
New Level Check
740C
Initialise Level
74A4
Game Intro
7564
Clear Sprite Area
7599
Game Entry Point
75AD
Handler: Bird Alien
75B7
Handler: Pheenix
7616
Handler: Aliens Movement/ Spawning
79B2
Handler: Alien Explosions
7B67
Handler: Aliens
7C82
Title Screen
7DD9
Start Game
7E47
Input: "S" To Start