High resolution graphics display adapter

Details High resolution graphics display adapter High resolution graphics display adapter

1987-02-12

1989-09-26

Moore, David K.

Communications: electrical

Selective

Having indication or alarm

340701, 340744, G09G 128

Patent

active

048704067

ABSTRACT:
A display adapter for displaying graphics data in pixel form on a high resolution display monitor includes a digital signal processor for managing adapter resources and controlling coordinate transformations, a system storage which is divided into a first portion for storing instructions for the digital signal processor and the second portion for storing data representing information to be displayed, an input buffer for permitting asynchronous and overlapped communication between the graphics display adapter and a host computer to speed operation of the system, a pixel processor for drawing vectors and manipulating areas to be displayed on the monitor, a bit mapped frame buffer, a color palette connected to outputs of the frame buffer for providing appropriate color signals to the high resolution monitor and a cursor circuit for controlling display of a cursor on the screen on the monitor.

REFERENCES:
patent: 4639879 (1987-01-01), Chaya
patent: 4648049 (1987-03-01), Dines et al.
patent: 4668947 (1987-05-01), Clarke, Jr. et al.
patent: 4673930 (1987-06-01), Bujalski et al.
patent: 4752893 (1988-06-01), Guttag et al.

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