Microprogramming apparatus and method

Details Microprogramming apparatus and method Microprogramming apparatus and method

1974-10-18

1976-03-30

Zache, Raulfe B.

Communications: electrical

Digital comparator systems

G06F 916

Patent

active

039478211

ABSTRACT:
The disclosure describes improved techniques for using a general or parametered microinstruction for more than one application. A read/write store provides at a first address a storage location for the parametered microinstruction. The parametered microinstruction is calculated according to data values stored in a table in order to accommodate the various applications. In one embodiment, an arithmetic and logic unit combines first and second values from the table in order to form or calculate a microinstruction having first and second parameters. The calculated microinstruction then is stored in the read/write store at the first address. This techniques enables the calculated microinstruction to be carried out in the same manner as non-parametered microinstructions.

REFERENCES:
patent: 3391394 (1968-07-01), Ottaway et al.
patent: 3792441 (1974-02-01), Wymore et al.

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