Graphic pattern processing apparatus

Details Graphic pattern processing apparatus Graphic pattern processing apparatus

1991-07-29

1994-07-26

Brier, Jeffery

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345191, G09G 538

Patent

active

053329953

ABSTRACT:
A graphic data generating apparatus includes an output producing a graphic image having a plurality of bits; a display memory connected to the output for storing pixel data defining the graphic data for each of the pixel data having a plurality of bits; and a graphic data processing apparatus performing read out of word data having a plurality of pixel data at a word position of the display memory specified by a source memory address, selecting pixel data specified by a source pixel address in the readout word and writing the selected pixel data in the display memory at a pixel position specified by a destination pixel address of word data specified by the destination memory address.

REFERENCES:
patent: 4236228 (1980-11-01), Nagashima et al.
patent: 4437093 (1984-03-01), Bradley
patent: 4636783 (1987-01-01), Omachi
patent: 4797809 (1989-01-01), Sato et al.
"Logic Design for a Graphics Subsystem", Hewlett Packard Journal, Diserns et al., Sep. 1983 pp. 15-18.

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