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We present a solution to one of the fundamental problems in computer graphics, the hidden surface removal. In most 3D-graphics systems the hidden surface removal is done using the Z-Buffer algorithm. This method, however, requires to perform a read-modify-write memory access for each visible pixel, what represents a severe performance limit. We introduce a novel SRAM cell, which incorporates the needed logical units to perform the Z-Buffer algorithm on its own. Placed into the page register ofdoi:10.1109/edtc.1995.470426 dblp:conf/date/KnittelS95 fatcat:sxfforxg6fax7nutxt2vjyg5xq