Graphic display control apparatus

Details Graphic display control apparatus Graphic display control apparatus

1995-10-04

1998-08-25

Liang, Regina

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345121, G09G 534

Patent

active

057987491

ABSTRACT:
A graphic display control apparatus which automatically scrolls display contents of a screen vertically, horizontally or diagonally by automatically updating the reading address corresponding to the amount of scrolling, when read-out areas for display information of one screen read out from a frame memory whose capacity allows a CPU to write display information larger than one screen, e.g., an animation background, a motorcar navigation map or the like therein are sequentially moved, thereby to lighten the burden of the CPU at the scrolling time.

REFERENCES:
patent: 4491834 (1985-01-01), Oguchi
patent: 4549173 (1985-10-01), Nakamura
patent: 4849746 (1989-07-01), Dubner
patent: 5177624 (1993-01-01), Sato

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