Display control device

Details Display control device Display control device

1997-12-15

1999-06-01

Wu, Xiao

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 99, 345213, 345 55, G09G 336

Patent

active

059092068

ABSTRACT:
CPU writes display character codes corresponding to a liquid crystal display position to display RAM to cause any desired character to be read from character generator ROM and to be displayed. There are provided a scroll display line designation register for designating a desired display line to be scrolled and a scroll dot quantity register for designating the scroll quantity in pixels. A scroll register supplies, to a segment shift register, character data which is delayed by the designated number of dots with respect to the character data on the designated display line and causes the display line to be displayed.

REFERENCES:
patent: 5153574 (1992-10-01), Kondo
patent: 5757353 (1998-05-01), Yokota et al.

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