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Hardware Outline Character Rasterization

This paper presents the design and implementation of an application specific integrated circuit (ASIC) for real-time rasterization of characters described by their outline based on vertical scan-conversion and flag full algorithms. The chip acts as a coprocessor which rasterizes outline fonts given by Bezier splines and straight line segments. It generates high quality fonts at a rate 30 times higher than the equivalent assembly language code on a 16 MHz M68020.