METHOD AND CIRCUIT ARRANGEMENT FOR SELECTIVE CONTROL OF WINDOW RELATED OVERLAY AND UNDERLAY PATTERNS

A video display system selectively controls by window the number of overlay planes, the number of overlay palettes, and the overlay/underlay plane masks in a graphics display. A logic/multiplex control 13, 11 translates overlay and underlay data patterns from a multiple plane VRAM 12, referenced to...

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Hauptverfasser:	BEATTIE,IRENE, VANOVER,MICHAEL TERRELL, VOLTIN,JOHN ALVIN, DESAI,NARENDRA M
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC DIGITAL DATA PROCESSING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS SEALS
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