International Business Machines Corporation

Claus Erich Mohr

Arnold Blum

Johann Hajdu

Guenther Sonntag

Leopold Reichl

Input/output registers integrated with logic and arithmetic circuits are combined externally of a processor nucleus having only storage registers, instruction decode logic, timing circuitry and arithmetic and logic unit for executing microinstructions whereby the use of the input/output registers is determined by microprogram code and by time control to either selectively execute all adapter and interface communication and control functions for input and output devices or to selectively be switched into the data flow of the processor nucleus.

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Munich, Germany

Claus Erich Mohr