Thomson EF936x
Full graphics card
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
- ↑ "West Europe Report: Science and Technology" (PDF). Foreign Broadcast Information Service. August 23, 1983. p. 7. Retrieved July 29, 2013.
See also
External links
This article is issued from Wikipedia - version of the 3/13/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.