Apparatus for aligning arithmetic operands during fetch

Details Apparatus for aligning arithmetic operands during fetch Apparatus for aligning arithmetic operands during fetch

1990-01-05

1991-10-01

Fleming, Michael R.

Boots, shoes, and leggings

3642595, G06F 700, G06F 738

Patent

active

050539531

ABSTRACT:
In a digital computer system in which arithmetic operands are addressed in instructions by their most significant digits, and in which operands need not start or end on particulr boundaries in system memory, apparatus is provided for calculating information from data available during instruction decoding and for using that information during operand fetching to fetch operands least significant digit first, and to store them in a scratchpad memory right-justified on double-word boundaries and filled with leading zeros.

REFERENCES:
patent: 4268909 (1981-05-01), Kindell et al.
patent: 4506345 (1985-03-01), Boothroyd et al.

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