Method and device for exchanging information between terminals a

Details Method and device for exchanging information between terminals a Method and device for exchanging information between terminals a

1983-03-11

1986-06-03

Thomas, James D.

Boots, shoes, and leggings

G06F 1328

Patent

active

045933529

ABSTRACT:
Information exchange method in a communications controller comprising a central control unit (CCU) associated with a storage that provides a number of parameter/status and data areas equal to the maximum number of interfaces to be managed by the controller. The storage contains a line vector table which indicates the address of each area assigned to each interface. The exchange of the parameter/status information and data on the input/output bus (IO5) uses a minimum number of input/output operations controlled by the program stored in the storage (3).

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patent: 4015243 (1977-03-01), Kurpanek
patent: 4028668 (1977-06-01), Riikonen
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patent: 4417304 (1983-11-01), Dinwiddie
patent: 4437157 (1984-03-01), Witalka
IBM Technical Disclosure Bulletin--vol. 21, No. 12, May 1979, p. 4882, "Adapter High Level Interface", by J. Calvignac, R. Castel and W. Drafer.
IBM Technical Disclosure Bulletin--vol. 24, No. 6, Nov. 1981, pp. 2779-2781, "Rapid Set-Up for Cycle Steal Commands", by R. C. Booth.
IBM Technical Disclosure Bulletin--vol. 20, No. 11B, Apr. 1978, pp. 4692-4695, "Suppress Exception Mechanism for Input/Output Device", by R. E. Birney, D. G. Bourke and H. L. Kurtz.
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