Shift operation unit and shift operation method

Details Shift operation unit and shift operation method Shift operation unit and shift operation method

1995-02-10

1996-09-24

Malzahn, David H.

Boots, shoes, and leggings

G06F 501

Patent

active

055597300

ABSTRACT:
A shift operation unit includes: a shift means for shifting data in accordance with a shift count and outputting the most significant part bit data, intermediate bit data, and least significant part bit data; first selection means coupled to an output of the shift means, for selecting one of the most significant part bit data and the least significant part bit data in accordance with a shift direction; first storage means coupled to an output of the first selection means, for storing data selected by the first selection means; operation means coupled to an output of the shift means and an output of the first storage means, for operating the intermediate bit data and the data stored in the first storage means and outputting an operation result; and second storage means coupled to an output of the operation means, for storing the operation result. A shift operation method is also provided.

REFERENCES:
patent: 4472788 (1984-09-01), Yamazaki
patent: 5020013 (1991-05-01), Maher, III et al.
patent: 5099445 (1992-03-01), Studor et al.
patent: 5301139 (1994-04-01), Zinger
patent: 5309382 (1994-05-01), Tamura et al.
patent: 5379240 (1995-01-01), Byrne

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