Data processing system with programmable graphics generator

Details Data processing system with programmable graphics generator Data processing system with programmable graphics generator

1979-01-08

1981-10-20

Shaw, Gareth D.

Boots, shoes, and leggings

340723, G06F 3153

Patent

active

042964768

ABSTRACT:
A microprocessor based data processing system including a microprocessor, a memory unit, and display unit is provided with a programmable graphics generator that transfers graphics information from the memory unit to the display unit in response to and control of a set of display instructions also stored in the memory unit. The graphics generator includes a first addressing unit for sequentially accessing the display instructions from the memory unit; a control unit for receiving, storing and decoding such instruction and for issuing supervisory and control signals in response to the binary state of each instruction; a second addressing unit for accessing graphics information from the memory unit in response to the supervisory signals from the control unit; and a third addressing unit for accessing movable object graphics stored in the memory unit.

REFERENCES:
patent: 3996585 (1976-12-01), Hogan et al.
patent: 4064507 (1977-12-01), Schmitz
patent: 4070710 (1978-01-01), Sikonick et al.
patent: 4116444 (1978-09-01), Mayer et al.
patent: 4177462 (1979-12-01), Chung

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