Free Form Sprite Layer is an example program, including source code, which shows an alternative way to gain a free form background layer.
For more information, see Amiga Tech File #2 - Free Form Sprite Layer.
Stacks Image 7
Above: The SPR Layer ''title' screen.
System requirements:
  • Any Amiga / emulator with 512 Kilobyte of memory or more*
  • Kickstart 1.3 or higher
  • Mouse

Download: SPR_Layer ADF
Download: SPR_Layer.lha
Readme: SPR_Layer.readme

The example is written in MC68000 assembly and contains full source code and all files used to make the program.

*) Any emulator or Amiga computer 100% compatible with the OCS/ECS or AGA chipset. Untested under Amiga OS versions beyond 3.1, MorphOs or other clones. Not tested on 68040+ processors, nor CPU replacements such as the PiStorm or Vampire. Requires ~200KB of free chip memory.