• Contact
  • Journal
  • Home
  • Arcade
  • Asteroids 80%
  • Site
  • Page
  • Amiga
    • Rainbow Islands
      • 1loader-dec
      • 1loader
      • boot
      • orig-boot
      • Journal
  • Arcade
    • Asteroids 80%
      • Hardware
      • RAMUse
      • Code

      • DVG
      • VectorROM

      • Journal
    • Crazy Climber 1%
      • BigSpriteGraphics.pdf
      • Buildings.pdf
      • cclimber.asm
      • CharEnc.inc
      • CrazyClimberMemoryMapInfo.pdf
      • GraphicsAndCharacterAssetInfo.pdf
      • MemoryMap.inc
    • Defender 75%
      • RAMUse
      • Hardware
      • Bank1
      • Bank2
      • Bank3
      • Bank7
      • BankFixed
      • Mapping.txt
      • SoundHardware
      • SoundRAMUse
      • SoundCode
      • Defender-Theory-Early.pdf
      • Defender-Theory-Later.pdf
      • Defender.CPU.jpg
      • Defender.ROM.B&W.jpg
      • Defender.Vid.B&W.jpg
      • SoundROM.txt
    • Frogger (Sound)
      • SoundHardware
      • SoundRAMUse
      • SoundCode
      • FroggerFix.mp3

      • Hardware
      • RAMUse
      • Code

      • GFX

      • Journal
    • Galaga 5%
      • CPU1
      • CPU2
      • CPU3

      • CPU1Fix

      • Journal
    • Moon Patrol 75%
      • Hardware
      • RAMUse
      • Code

      • GFX1 (Text)
      • GFX2 (Sprites)
      • GFX3 (Mountains)
      • GFX4 (Hills)
      • GFX5 (City)
      • ImageBackgroundColors
      • SpriteColors
      • SpriteColorSets
      • TextColors

      • MoonPatrolSound
      • SoundHardware
      • SoundRAMUse
      • SoundCode

      • Journal
    • Omega Race 10%
      • Hardware
      • RAMUse
      • MainBoard

      • SoundHardware
      • SoundRAMUse
      • SoundBoard

      • DVGPROM
      • VectorROM

      • Journal
    • Phoenix 1%
      • Hardware
      • RAMUse
      • Code

      • Background
      • Foreground

      • Journal
    • Space Invaders
      • Hardware
      • RAMUse
      • Code

      • Journal
    • Time Pilot (Sound)
      • SoundHardware
      • SoundRAMUse
      • SoundCode

      • Hardware
      • RAMUse
      • Code

      • Journal
    • Sea Wolf 1%
      • Hardware
      • RAMUse
      • Code

      • Journal
  • Atari2600
    • Stella (Hardware Info)
    • Asteroids 5%
      • RAMUse
      • Code

      • Journal
    • Battle Zone 1%
      • RAMUse
      • Code

      • Journal
    • Chess 1%
      • RAMUse
      • Code

      • Journal
    • Combat 10%
      • RAMUse
      • Code
      • CodePAL

      • Journal
    • Double Gap
      • Code
      • DoubleGap.asm

      • Journal
    • Entombed 1%
      • RAMUse
      • Code

      • Journal
    • ET 1%
      • RAMUse
      • Code

      • Journal
    • Burger Time 1%
      • RAMUse
      • CodeBank0
      • CodeBank1
      • CodeBank2
      • CodeBank3
      • CodeBank4
      • CodeBank5
      • CodeBank6
      • CodeBank7

      • Journal
    • Missile Command 1%
      • RAMUse
      • Code

      • Journal
    • Space Invaders 1%
      • RAMUse
      • Code

      • Journal
  • CoCo
    • Hardware
    • Early Work
    • Pyramid
      • RAMUse
      • Code

      • Journal
    • Raaka Tu
      • RAMUse
      • Code

      • Journal
    • Bedlam
      • RAMUse
      • Code

      • Journal
    • Madness & Minotaur
      • Walk Through
        • after_start.txt
        • after_start.cas
        • after_1.txt
        • after_1.cas
        • after_2.txt
        • after_2.cas
        • after_3.txt
        • after_3.cas
        • after_4.txt
        • after_4.cas
        • after_5.txt
        • after_5.cas
        • after_6.txt
        • after_6.cas
        • after_7.txt
        • after_7.cas
        • after_8.txt
        • after_8.cas
        • after_9.txt
        • after_9.cas
        • after_10.txt
        • after_10.cas
        • after_11.txt
        • after_11.cas
        • after_12.txt
        • after_12.cas
        • after_13.txt
        • after_13.cas
        • after_14.txt
        • after_14.cas
        • after_15.txt
        • after_15.cas
        • after_16.txt
        • after_16.cas
        • after_17.txt
        • after_17.cas
        • after_18.txt
        • after_18.cas
        • after_19.txt
        • after_19.cas
        • after_20.txt
        • after_20.cas
        • after_21.txt
        • after_21.cas
        • after_22.txt
        • after_22.cas
        • after_23.txt
        • after_23.cas
        • after_24.txt
        • after_24.cas
        • after_25.txt
        • after_25.cas
      • RAMUse
      • Code

      • SaveGameViewer

      • Journal
    • Mega-Bug
      • RAMUse
      • Code

      • Journal
    • Daggorath
      • RAMUse
      • Code

      • Level Maps

      • Journal
    • Downland 5%
      • RAMUse
      • Code

      • Journal
    • Audio Analyzer 5%
      • RAMUse
      • Code

      • Journal
    • Doubleback
      • RAMUse
      • Code

      • Journal
  • NES
    • Zelda 5%
      • Hardware
      • RAMUse
      • Bank0
      • Bank1
      • Bank2
      • Bank3
      • Bank4
      • Bank5
      • Bank6
      • Bank7

      • Journal
  • Gameboy
    • Hardware
    • Link's Awakening 1%
      • RAMUse
      • Bank00
      • Bank01
      • Bank02
      • Bank03
      • Bank04
      • Bank05
      • Bank06
      • Bank07
      • Bank08
      • Bank09
      • Bank0A
      • Bank0B
      • Bank0C
      • Bank0D
      • Bank0E
      • Bank0F
      • Bank10
      • Bank11
      • Bank12
      • Bank13
      • Bank14
      • Bank15
      • Bank16
      • Bank17
      • Bank18
      • Bank19
      • Bank1A
      • Bank1B
      • Bank1C
      • Bank1D
      • Bank1E
      • Bank1F

      • Journal
  • TRS80
    • Hardware
    • HauntedHouse
      • RAMUse1
      • Code1
      • RAMUse2
      • Code2

      • Journal
    • Pyramid
      • RAMUse
      • Code

      • RAMUse1
      • Code1

      • Journal
    • RaakaTu
      • RAMUse
      • Code

      • Journal
    • Bedlam
      • RAMUse
      • Code

      • Journal
  • Virus
    • Morris Worm 1%
      • Journal
    • Stoned
      • Journal

  • Tools
    • Blend
      • blend.zip

      • Journal
  • Asteroids
  • Tour Guide

Asteroids

  • Hardware Info
  • RAM Usage
  • Disassembled Code
  • Vector ROM
  • Info on the DVG

Nick Mikstas has a fantastic disassembly for Asteroids. Check it out here:

https://www.nicholasmikstas.com/games/

Tour Guide

Lonnie Howell started the comments. Mark McDougall picked up where he left up. Mark's work is amazing.

You should browse the Vector ROM and see the game images. For instance:

  • UFO
  • Asteroids
  • Player Ships

And many more.