August 2022 - Download the source code of Space Ace II: Borf's Revenge for the Apple IIgs. Original code by Antoine Vignau and Olivier Zardini


The Source Code archive contains the following items:

  • SpaceAce2.s: Core functions of the Game
  • SpaceAce2.Screen.s: Static Screens Library (Startup, Select Difficulty, Score & Life, Insert Disk)
  • SpaceAce2.Shared.s: Common Fonction Library (Memory Allocation, LZ4 Unpack, Load/Save Data...)
  • SpaceAce2.Data.s: Game Data TOC
  • SpaceAce2.Bitmap.s: Game Bitmap Library
  • SpaceAce2Link.s: Make File for Merlin 32
To assemble, Merlin32.exe -V LibraryPath SpaceAce2Link.s


The Graphic Data archive contains all frames of animation (game + death) and the static screens (title, credit, score, insert disk...).

Download :

GameSourceCode.zip archive

GameGraphicData.zip archive