The Thomson EF936x series is a type of Graphic Display Processor (GDP) by Thomson-EFCIS. The

chip Chromatin immunoprecipitation (ChIP) is a type of immunoprecipitation experimental technique used to investigate the interaction between proteins and DNA in the cell. It aims to determine whether specific proteins are associated with specific genom ...

could draw at 1 million

pixel In digital imaging, a pixel (abbreviated px), pel, or picture element is the smallest addressable element in a raster image, or the smallest point in an all points addressable display device. In most digital display devices, pixels are the ...

s per second, which was relatively advanced for the time of its release (1982 or earlier). There are various versions of the chip (EF9364, EF9365, EF9366, EF9367, SFF96364, EF9369), with slightly different capabilities. In 1982

Commodore Commodore may refer to: Ranks * Commodore (rank), a naval rank ** Commodore (Royal Navy), in the United Kingdom ** Commodore (United States) ** Commodore (Canada) ** Commodore (Finland) ** Commodore (Germany) or ''Kommodore'' * Air commodore ...

released a "High Resolution Graphics" board for the

PET A pet, or companion animal, is an animal kept primarily for a person's company or entertainment rather than as a working animal, livestock, or a laboratory animal. Popular pets are often considered to have attractive appearances, intelligence ...

based on the EF9365 and EF9366 chips, allowing it to display 512 x 512 or 512 x 256 resolution graphics. The EF9366 was also used on the SMP-E353 graphic card for the

Siemens Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad. The principal divisions of the corporation are ''Industry'', ''E ...

computer series and on the NDR-Klein-Computer introduced in 1984. Version EF9369 was used on computers such as the Thomson MO5NR, Thomson MO6, Thomson TO8, Thomson TO9 and Thomson TO9+, from 1985 to 1989.

Versions

Based on the 1989 data book published by the company, the EF936x series was split into ''Graphics Controllers'' and ''Color Palette'' models. Graphics Controllers *EF9364 CRT Processor introduced in 1981 *EF9365 512×512 (interlaced), 256×256, 128×128, 64×64; 50 Hz *EF9366 512×256 (noninterlaced); 50/60 Hz *EF9367 1024×512 (interlaced), 1024x416 (interlaced); 50/60 Hz (capable of

SECAM SECAM, also written SÉCAM (, ''Séquentiel de couleur à mémoire'', French for ''color sequential with memory''), is an analog color television system that was used in France, some parts of Europe and Africa, and Russia. It was one of th ...

system output for the French market). *SFF96364 Color Palette *EF9369 - 4-bit DACs (16 out of 4096 colors - 12-bit RGB), generating

gamma Gamma (uppercase , lowercase ; ''gámma'') is the third letter of the Greek alphabet. In the system of Greek numerals it has a value of 3. In Ancient Greek, the letter gamma represented a voiced velar stop . In Modern Greek, this letter r ...

corrected (gamma 2.8) voltages. *TS9370 - 4-bit DACs (16 out of 4096 colors)

Capabilities

*Integrated

DRAM Dynamic random-access memory (dynamic RAM or DRAM) is a type of random-access semiconductor memory that stores each bit of data in a memory cell, usually consisting of a tiny capacitor and a transistor, both typically based on metal-oxid ...

controller *Line drawing, 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 ASCII ( ), abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices. Because ...

font. Support for rendering tilted characters, and scaling by integer factors (no antialiasing) *Clear screen *

Light Pen A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display. It allows the user to point to displayed objects or draw on the screen in a similar way to a tou ...

support The

GPU A graphics processing unit (GPU) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. GPUs are used in embedded systems, mobi ...

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

memory Memory is the faculty of the mind by which data or information is encoded, stored, and retrieved when needed. It is the retention of information over time for the purpose of influencing future action. If past events could not be remember ...

words.

References

External links

Full schematics

PCB
Graphics chips Thomson computers {{Compu-hardware-stub

Versions

Capabilities

See also

References

External links