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• COLORS | AmigaOS 3.1 Command Reference
  https://www.jaruzel.com/amiga/amiga-os-command-reference-help/colors.html

  …By specifying values for the <bitplanes> and <screentype> options, you can open a custom test screen. The acceptable values for <bitplanes> and <screentype> are listed below: <bitplanes> <screentype…

  The Remnants of What Once Was Important, But Now No Longer Is... · personal
• AddBitPlanes | Amiga Assembly Library
  https://amiga-assembly-library.vercel.app/docs/graphics/add-bit-planes

  …Result num — If NULL, no bitplanes were added. Otherwise, returns the number of bitplanes that could be allocated. Usually this value matches the num passed in the inputs…

  Amiga Assembly Library · project
• Amiga Machine Code Letter IV | Mark Wrobel
  https://www.markwrobel.dk/post/amiga-machine-code-letter4/

  …Adding more bitplanes increases the number of color registers that we can address. E.g. using 4 bitplanes make it possible to address 16 color registers. We can…

  Mark Wrobel · personal
• Blitz:Screens - AmigaBlitzWiki
  http://blitz.robthenerd.com/wiki/index.php?title=Blitz%3AScreens

  …And to create a 640x400 screen (high res + interlaced), again with 4 bitplanes: Screen 0, 28, "My High-Res Screen" The 28 results from 4 (bitplanes) + 8 (high…

  AmigaBlitzWiki · wiki
• 1.3 Boot Logo – Capitoline
  http://capitoline.twocatsblack.com/index.php/1-3-boot-logo/

  …all the bitplanes FF FF Note, as these are bitplanes you will “or” the colour value at a particular position, if you overlap your bitplanes then the colours…

  Capitoline · personal
• Amiga Machine Code Letter XII - HAM | Mark Wrobel
  https://www.markwrobel.dk/post/amiga-machine-code-letter12-ham/

  …HAM mode requires 6 bitplanes, the first four bitplanes are either color indirection or a modification to the red, green or blue color of the previous pixel. The…

  Mark Wrobel · personal
• Amiga Machine Code Letter IV - DMA Revisited | Mark Wrobel
  https://www.markwrobel.dk/post/amiga-machine-code-letter4-dma-revisited/

  …The diagram shows the time slot allocation for bitplanes 1 to 6. If we only have 4 bitplanes, then the 68K will be able to fetch from memory…

  Mark Wrobel · personal
• amiga600.de - The Extreme Amiga 600 Upgrading Page - The A600's capabilities
  http://www.amiga600.de/a600capab.htm

  …However, bitplanes proved to be a big speed barrier later on as every pixel is spread across all bitplanes. Chunky modes (1 pixel is represented by one or…

  amiga600.de - The Extreme Amiga 600 Upgrading Page · news