Patents Examined by Gareth H. Shaw
  • Data processor system capable of providing both a computer mode and a sequencer mode of operation
    Patent number: 4344129
    Abstract: A data processor system is capable of operating in a first mode comprising a computer mode so as to carry out data processing functions and is also capable of operating in a second mode comprising a sequencer mode so as to carry out high speed sequence operations on the basis of programmed sequences. A high speed change between the computer and sequencer modes can freely be effected by executing mode change instructions so that the data processor system performs the duplex functions of a computer and a sequencer.
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: August 10, 1982
    Assignee: Hitachi, Ltd.
    Inventors: Kazuyoshi Asada, Hajime Yasuda, Kunihiko Ohnuma