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Devices and systems with conditional instructions

  • US 5,652,910 A
  • Filed: 06/07/1995
  • Issued: 07/29/1997
  • Est. Priority Date: 05/04/1989
  • Status: Expired due to Term
First Claim
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1. A data processing device or system, comprising:

  • an analog-to-digital converter;

    an electronic processor with an instruction pipeline connected to said analog-to-digital processor;

    means for decoding a conditional execution instruction within said instruction pipeline;

    means for conditioning the execution of a predetermined set of conditioned instructions following said conditional execution instruction within said instruction pipeline in response to a status condition specified in said conditional execution instruction;

    means for executing said set of conditioned instructions without flushing said instruction pipeline; and

    wherein means for conditioning further comprise;

    means for determining which status conditions of a set of predetermined status conditions have been selected by said conditional execution instruction with mask bits representative of said predetermined status conditions;

    means for determining which values are required by said conditional execution instruction for said selected set of predetermined status conditions with status bits representative of said predetermined values; and

    means for allowing normal execution of said conditioned instructions based on a logical combination of said mask bits and said status bits.

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