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Issue No.04 - July/August (1989 vol.9)
pp: 63-77
ABSTRACT
<p>The use of the 16-bit ADSP-2100 digital signal microprocessor as a fixed-point, low-end graphics engine for applications such as video games and small computer graphics packages is examined. It serves as the basis for a complete, hardware-oriented approach to performing graphics operations on a 3-D database. Normalization and formatting are performed to avoid overflow and preserve data formats through the transformation operation. Data structures that facilitate object rendering through the Bresenham line-segment drawing algorithm are used. A 3*3 rotation matrix is derived for this application, and the means for implementing translation, scaling, perspective, and zooming are described.</p>
CITATION
Matthew Johnson, "A Fixed-Point DSP for Graphics Engines", IEEE Micro, vol.9, no. 4, pp. 63-77, July/August 1989, doi:10.1109/40.31488
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