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7. Using framebuffer devices on Amiga m68k platforms

This section describes the options for Amigas, which are quite similiar to that for the Atari m68k platforms.

7.1 What modes are available for Amiga m68k platforms?

This depends on the chipset used in the Amiga. There are three main ones; OCS, ECS and AGA which all uses the colour frame buffer device.

  • NTSC modes
    • ntsc - 640x200
    • ntsc-lace - 640x400
  • PAL modes
    • pal - 640x256
    • pal-lace - 640x512
  • ECS modes - 2 bit colours on ECS, 8 bit colours on AGA chipsets only.
    • multiscan - 640x480
    • multiscan-lace - 640x960
    • euro36 - 640x200
    • euro36-lace - 640x400
    • euro72 - 640x400
    • euro72-lace - 640x800
    • super72 - 800x300
    • super72-lace - 800x600
    • dblntsc - 640x200
    • dblpal - 640x256
    • dblntsc-ff - 640x400
    • dblntsc-lace - 640x800
    • dblpal-ff - 640x512
    • dblpal-lace - 640x1024
  • VGA modes - 2 bit colours on ECS, 8 bit colours on AGA chipsets only.
    • vga - 640x480
    • vga70 - 640x400

7.2 Additional suboptions on Amiga m68k platforms

These are similar to the Atari m68k suboptions. They are:

  • depth - specifies the pixel bit depth.
  • inverse - does the same thing as the Atari suboption.
  • font - does the same thing as the Atari suboption, although the PEARL8x8 font is used instead of VGA8x8 font, if the display size is less than 400 pixel wide.
  • monitorcap - specifies the capabilities of the multisync monitor. Do not use with fixed sync monitors.

7.3 Supported Amiga graphic expansion boards

  • Phase5 CyberVision 64 (S3 Trio64 chipset)
  • Phase5 CyverVision 64-3D (S3 ViRGE chipset)
  • MacroSystems RetinaZ3 (NCR 77C32BLT chipset)
  • Helfrich Piccolo, SD64, GVP ECS Spectrum, Village Tronic Picasso IIII+ and IV/ (Cirrus Logic GD542x/543x)


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