Serial arithmetic processor

Details Serial arithmetic processor Serial arithmetic processor

G - Physics

06

F

354/149

G06F 7/38 (2006.01) G06E 1/04 (2006.01) G06F 7/52 (2006.01) G06F 7/57 (2006.01)

Patent

CA 1292072

ABSTRACT OF THE DISCLOSURE A serial arithmetic processor arranged to perform the complex arithmetic functions of the ADPCM algorithm is disclosed. The serial arithmetic processor includes first common means which is arranged to take advantage of the realization that a large portion of the LOG, FLOAT, and ANTILOG functions can be implemented in common hardware. The serial arithmetic processor further includes second common means which is arranged to take advantage of the realization that large portions of the MULTIPLICATION and FLOATING POINT MULTIPLICATION functions can be implemented in other common hardware. Controller means are provided for controlling logic and circuit means in the first and second common means depending upon the desired function to be performed. In addition, a means for connecting the output of the first common means to the input of the second common means is preferably provided so that the result of a FLOAT operation can be directly used as the multiplier in a FLOATING POINT MULTIPLICATION operation.

571065

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