Thomson EF936x

Full graphics card
Pinout of the EF9345

The Thomson EF936x is a type of Graphic Display Processor (GDP). The chip could draw at 1 million pixels per second, which was relatively advanced for the year of its release (1982).

Versions

Plastic or Ceramic

  • EF9364
  • EF9365 512×512 (interlaced), 256×256, 128×128, 64×64
  • EF9366 512×256 (noninterlaced)
  • EF9367 1024×512
    • Thomson-EFCIS marketed a competing part, the EF 9367, that offered different features for the French market (which used a different video format).[1]
  • SFF96364

Capabilities

  • Integrated DRAM controller
  • Linedrawing, with delta-x and delta-y limited to 255 each. Support for solid, dotted, dashed and dotted/dashed lines.
  • Built-in 5×8 pixel ASCII font. Support for rendering tilted characters, and scaling by integer factors (of course no antialiasing)
  • Clear screen

The GPUs did not support direct access to the graphics memory, although a special command was provided to aid in implementing access to individual memory words.

References

  1. ↑ "West Europe Report: Science and Technology" (PDF). Foreign Broadcast Information Service. August 23, 1983. p. 7. Retrieved July 29, 2013.

See also

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