Boots – shoes – and leggings
Patent
1987-10-08
1991-02-12
Harkcom, Gary V.
Boots, shoes, and leggings
364521, 364900, G06F 312, G09G 536
Patent
active
049929569
ABSTRACT:
A device controls in real time the assembly of data for a bit map scanning device, such as a laser printer, under supervisory control of a host processor. The image data words are stored in a source memory and assembled in a video buffer, and automatically scanned out to the scanning device. The host processor generates a simplified set of control words that defines graphics, text and layout of the page to be assembled. A raster interface synchronizes the output of the assembled data with the scanning device. Three basic modes are supported: (1) dispatch mode, (2) font read/write mode, and (3) graphics load mode. The dispatch mode is the normal operational mode which provides for dispatching data from a source memory location to the video memory and for supplying data from the video memory out to the raster printer. The font read/write mode gives the host the ability to read/write font or graphics data from/to the source memory or the video memory. The graphics load mode provides for transfer of a bit mapped window data to the video memory from the processor. The video memory can be divided into two bands.
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Barr Greg W.
Gary Steven
Kaku Shinkyo
Latif Shabbir M.
Li George W.
Advanced Micro Devices , Inc.
Bayerl Raymond J.
Harkcom Gary V.
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