Boots – shoes – and leggings
Patent
1977-11-15
1980-02-12
Thomas, James D.
Boots, shoes, and leggings
G06F 302
Patent
active
041886640
ABSTRACT:
Control of the data format programmed into an interface means by a computer means is provided in response to the data format required by an I/O device. A register in the interface means is programmed to respond to only a first digital address from the computer means. A switching means having first and second positions is utilized to create "don't care" positions in a digital address from the computer means to the interface means. Because of the "don't care" positions in the digital address the register in the interface means will respond to a second digital address when the switching means is in the first position. The register will not respond to the second digital address when the switching means is in the second position. When the register responds to the second digital address then the computer programs the data format required by a first I/O means into the interface means. When the register does not respond to the second digital address then the computer programs the data format required by a second I/O means into the interface means. Thus, the position of the switching means determines the data format which will be programmed into the interface means.
REFERENCES:
patent: 3668651 (1972-06-01), Hornung
patent: 3699525 (1972-10-01), Klavins
patent: 3742455 (1973-06-01), Fenner
patent: 3833886 (1974-09-01), Baymann
patent: 4016369 (1977-04-01), Pedersen
patent: 4079452 (1978-03-01), Larson
Phillips Petroleum Company
Thomas James D.
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