Data processing apparatus for controlling reading out of operand

Details Data processing apparatus for controlling reading out of operand Data processing apparatus for controlling reading out of operand

1985-12-24

1988-03-22

Heckler, Thomas M.

Boots, shoes, and leggings

G06F 934

Patent

active

047333448

ABSTRACT:
The data processing apparatus has first and second storages each independently accessible. An instruction unit applies a fetch request on a one-operand instruction to the first storage, and a fetch request on a two-operand instruction to the first and second storages. In case of a fetch request on a two-operand instruction, a storage control unit instructs the instruction unit to produce again a fetch request if one of the first and second storages is busy, and execute reading the operands in the order of decoding of instructions.

REFERENCES:
patent: 3737866 (1973-06-01), Gruner
patent: 4319324 (1982-03-01), Johnson et al.

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