Thomson EF936x
The Thomson EF936x is a type of Graphic Display Processor. The chip could draw at 1 million pixels per second, which was relatively advanced for the year of its release.Versions
Plastic or Ceramic
- EF9364
- EF9365 512×512, 256×256, 128×128, 64×64
- EF9366 512×256
- EF9367 1024×512
- *Thomson-EFCIS marketed a competing part, the EF 9367, that offered different features for the French market.
- 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
- 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.