Boots – shoes – and leggings
Patent
1975-09-18
1977-08-02
Springborn, Harvey E.
Boots, shoes, and leggings
G06F 920
Patent
active
040400352
ABSTRACT:
A microprocessor includes a data bus and an address bus. The address bus has first and second sections coupled together in series by bus switch circuitry. The microprocessor also includes control circuitry for controlling various data transfers in the microprocessor. The bus switch circuitry includes a plurality of MOSFETs each having their gate electrodes coupled to the control circuitry and having their sources and drains coupled to corresponding bus conductors of the first and second sections of the address bus. A program counter, incrementer and other working registers are coupled between the address bus first section and the data bus. An accumulator register and an arithmetic logic unit are coupled between the second section of address bus and the data bus. An index register for storing information to be utilized in an indexed addressing mode of operation is coupled to both the first and second sections of the address bus and to the data bus.
REFERENCES:
patent: 3391394 (1968-07-01), Ottaway et al.
patent: 3462742 (1969-08-01), Miller et al.
patent: 3702988 (1972-11-01), Haney et al.
patent: 3757306 (1973-09-01), Boone
Bennett Thomas H.
Carlow Earl F.
Kouvoussis Anthony E.
Orgill Rodney H.
Peddle Charles
Hoffman Charles R.
Motorola Inc.
Springborn Harvey E.
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