Multi-screen display control system and its method

Details Multi-screen display control system and its method Multi-screen display control system and its method

1987-04-08

1990-04-03

Harkcom, Gary V.

Boots, shoes, and leggings

340721, 340798, 382 45, G09G 116

Patent

active

049146076

ABSTRACT:
In a transfer data screen buffer added to a multi-window display, a command stream for displaying segments to be displayed and superposed over the multi-window display is stored. By the execution of the command stream, the display data developed into a bit map undergoes exclusive OR operation bit by bit with the bit-map developed data of the multi-window data. The operation result is fed back to the display screen bit map memory to be displayed.

REFERENCES:
patent: 4542376 (1985-09-01), Bass et al.
patent: 4545070 (1985-10-01), Miyagawa et al.
patent: 4598384 (1986-07-01), Shaw et al.
patent: 4694288 (1987-09-01), Harada
patent: 4710767 (1987-12-01), Sciacero et al.
patent: 4714918 (1987-12-01), Barker et al.

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