Display control device

Details Display control device Display control device

1988-11-30

1990-03-06

Brigance, Gerald

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340747, 340723, G09G 116

Patent

active

049069861

ABSTRACT:
A CRT controller having a drawing function includes designation means to designate a predetermined area of an external memory as a reference area for tiling, and a drawing processor which transmits a display pattern in the reference area designated by the designation means, to a drawing area of the external memory. Since the CRT controller of this construction permits the use of the external memory easy of enlarging the capacity thereof for a tiling pattern, it realizes the tiling processing with a complicated tiling pattern.

REFERENCES:
patent: 4398890 (1983-08-01), Knowlton
patent: 4613852 (1986-09-01), Maruko
patent: 4631690 (1986-12-01), Corthout et al.
patent: 4656468 (1987-04-01), Takikawa et al.
patent: 4658247 (1987-04-01), Gharachorloo
patent: 4755810 (1988-07-01), Knierim
patent: 4769636 (1988-09-01), Iwami et al.
patent: 4780713 (1988-10-01), Lundstrom
patent: 4806921 (1989-02-01), Goodman et al.
Hitachi HD63484 ACRTC User's Manual, Oct. 1984.

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