Computer graphics processing and selective visual display system – Computer graphic processing system – Integrated circuit
Patent
1994-03-21
1997-09-09
Tung, Kee M.
Computer graphics processing and selective visual display system
Computer graphic processing system
Integrated circuit
345501, 345443, G06F 1200
Patent
active
056665202
ABSTRACT:
A graphics display system includes a host processor calculating graphic data and providing the graphic data to a graphics processor, and frame memories which store the graphic pixel data and supply display data to display devices. The graphics display system also includes a first register group which stores the graphics data, a second register group which converts and/or stores the data in the first register group, a pixel generator which generates pixels according to the graphic data in the second register group, and a plotter which writes the pixel data generated in the pixel generator in the frame memories. The second register group fetches the data from the first register group when the host processor issues a command for plotting, holds the data previously written by the host processor. At the same time, when the host processor issues a command for plotting, the specified graphic type is written in the graphic processor as sell as data calculated based on the first and second register groups.
REFERENCES:
patent: 3735389 (1973-05-01), Tarczy-Hornoch
patent: 5163127 (1992-11-01), Ikumi et al.
patent: 5420972 (1995-05-01), Johnson et al.
Fujita Ryo
Koga Kazuyoshi
Morishige Takaharu
Ozawa Koji
Soga Mitsuru
Hitachi , Ltd.
Hitachi Microcomputer System Ltd.
Tung Kee M.
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