Screen display device

Details Screen display device Screen display device

1993-06-16

1994-11-22

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345190, 345200, G09G 102

Patent

active

053673174

ABSTRACT:
A screen display device is provided with address decoder 15, address generator 16, address translation circuit 17, data buffer 18 and data translation circuit 19 and is designed to reduce a rewrite operation time by rewriting data with a plurality of addresses of display memory 4 to the same data by the instruction of CPU 1. Further, it is possible to perform rewriting of the display characters, i.e. rewriting of display memory data efficiently and at a high speed.

REFERENCES:
patent: 4845661 (1989-07-01), Shimada
patent: 5113180 (1992-05-01), Gupta et al.

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