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Smooth Pel Scrolling in a Display System

IP.com Disclosure Number: IPCOM000037342D
Original Publication Date: 1989-Dec-01
Included in the Prior Art Database: 2005-Jan-29

Publishing Venue

IBM

Related People

Authors:
DiNicola, P Dumas, F Lawless, J [+details]

Abstract

In some types of all-points-addressable graphics display systems, where bit plane or lateral bit encoding techniques are used, currently available pel scrolling techniques which perform pel scrolling prior to determination of color information for a pel have the disadvantage that color information may be distorted since the color information is dependent upon the lateral position of digital information represented in the bit plane or linear encoding of logical pels.