Graphics display comparator for multiple bit plane graphics cont

Details Graphics display comparator for multiple bit plane graphics cont Graphics display comparator for multiple bit plane graphics cont

1983-08-22

1986-10-07

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340728, 340703, 340730, G09G 116

Patent

active

046162208

ABSTRACT:
A graphic control system under the control of a host processor to display, on a display monitor, high resolution color graphic images. The graphic control system employs a plurality of graphic display controllers each accessing, in parallel, a separate bit map storage area or a plane. When a gray-scale or color display is required, respective planes are read out in parallel and converted for serial transmission with respective outputs being supplied in parallel as a code to a look-up table of color or gray-scale codes that in turn are supplied to a digital-to-analog converter that drives the display monitor. In addition, a compare circuit is provided to receive outputs sent from the respective bit plane stores for comparison with preset outputs from the host computer to determine when the display monitor has reached a boundary of a figure being filled with a particular color or pattern.

REFERENCES:
patent: 4189743 (1980-02-01), Schure et al.
patent: 4509043 (1985-04-01), Mossaides

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