Video control section for a data processing system

Details Video control section for a data processing system Video control section for a data processing system

1984-06-25

1987-10-20

Krass, Errol A.

Boots, shoes, and leggings

364900, G06F 314

Patent

active

047018658

ABSTRACT:
A video control section for a data processing system for controlling a CRT display is disclosed. The video control section includes a video memory comprising an array of dual port RAMS which is connected through an interface to the system memory bus, a shifter, a palette, a D/A converter, an oscillator section, a timing and synchronizer section and a microprocessor. The microprocessor, which is connected to the system memory bus through an interface, manages the overall operations of the video control section to generate video signals for the CRT display and in addition along with the oscillator section and timing and synchronizer section generates all of the video timing and control signals for the CRT display.

REFERENCES:
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patent: 4205780 (1980-06-01), Burns et al.
patent: 4254467 (1981-03-01), Davis et al.
patent: 4259725 (1981-03-01), Andrews et al.
patent: 4454593 (1984-06-01), Fleming et al.
patent: 4467412 (1984-08-01), Hoff
patent: 4517654 (1985-05-01), Carmean
patent: 4520391 (1985-05-01), Edgar et al.

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