Method and system for displaying patterns using a bitmap display

Details Method and system for displaying patterns using a bitmap display Method and system for displaying patterns using a bitmap display

1990-10-23

1994-10-18

Bayerl, Raymond J.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

395129, 345189, 345187, G06F 1562

Patent

active

053576055

ABSTRACT:
A method and system of displaying a pattern using a bitmap memory display which acomplishes an overall pattern display by writing to the display memory one copy of the pattern. The logical unit (LU) of the system's graphics adapter (GA) is then used to replicate the pattern throughout the bitmap memory with a reduced number of write operations from the central processing unit (CPU) to the GA.

REFERENCES:
patent: 4217577 (1980-08-01), Roe et al.
patent: 4308532 (1981-12-01), Murphy
patent: 4330834 (1982-05-01), Murphy
patent: 4622546 (1986-11-01), Sfarti et al.
patent: 4646078 (1987-02-01), Knierim et al.
patent: 4701864 (1987-10-01), Takashima et al.
patent: 4706079 (1987-11-01), Kummer et al.

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