Boots – shoes – and leggings
Patent
1976-10-27
1979-08-07
Smith, Jerry
Boots, shoes, and leggings
364900, G06F 1502
Patent
active
041640373
ABSTRACT:
An electronic calculator or microprocessor system of the type preferably having keyboard input and a visual display is provided with a semiconductor chip having a memory for storing instruction words, an arithmetic unit, an instruction word decoder for controlling the arithmetic unit in response to instruction commands read out of the instruction word memory and a combined data and flag bit storage system. The combined data and flag bit storage system provides for the storage of flag bits with an associated numeric data word in a single register. Certain of the stages of the register are preferably dedicated for use as flag bit storage and certain other stages of the register are dedicated for use as numeric data storage. The arithmetic unit is preferably operable in a first mode for performing arithmetic operations in binary coded decimal format for the numeric data and in a binary format for the flag bits.
REFERENCES:
patent: 3760171 (1973-09-01), Wang et al.
patent: 3771142 (1973-11-01), Minshull et al.
patent: 3904863 (1975-09-01), Cochran et al.
Cochran Michael J.
Grant, Jr., deceased Charles P.
Comfort James T.
Sadacca Stephen S.
Sharp Melvin
Smith Jerry
Texas Instruments Incorporated
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