CIRCUIT ARRANGEMENT OF A AN OPERATION WORKPLACE FOR SELECTIVE CONTROL OF WINDOWS DURING OVERLAPPING AND UNDERLAYING THEREOF

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: DESAI NARENDRA M, VANOVER MICHAEL TERRELL, BEATTIE IRENE, VOLTIN JOHN ALVIN
Format: Patent
Sprache:eng
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