JPS57199053A - Executing and processing system for control instruction - Google Patents

Executing and processing system for control instruction

Info

Publication number
JPS57199053A
JPS57199053A JP56083462A JP8346281A JPS57199053A JP S57199053 A JPS57199053 A JP S57199053A JP 56083462 A JP56083462 A JP 56083462A JP 8346281 A JP8346281 A JP 8346281A JP S57199053 A JPS57199053 A JP S57199053A
Authority
JP
Japan
Prior art keywords
control instruction
information
section
flag
pass word
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP56083462A
Other languages
Japanese (ja)
Inventor
Shinji Nishibe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56083462A priority Critical patent/JPS57199053A/en
Publication of JPS57199053A publication Critical patent/JPS57199053A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Executing Machine-Instructions (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

PURPOSE:To easily perform the operating function protection of a system, by providing a pass word for a specific operand of a control instruction and providing a decided result storage flag and pass word propriety deciding means in the execution of control instruction. CONSTITUTION:A pass word information PW is provided for a specific operand of an instruction word constituting a control instruction, and the information PW is given to a comparison deciding section 101 with a control information DS set in advance to a data processing section 102 adhead the execution of processing operation in accordance with the control instruction to decide the propriety of the information PW. If the PW is correct, a coincidence signal C is outputted from the deciding section 101, and the signal C sets a flag section 103. Thus, the information CD is made effective, the operation in accordance with the information CD is executed. If the PW is not correct, no flag section is set, the control instruction is made ineffective, no-operation processing is made and the control instruction gives no effect on the system, allowing to protect the operating function of the system if the control instruction is issued by error.
JP56083462A 1981-05-30 1981-05-30 Executing and processing system for control instruction Pending JPS57199053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56083462A JPS57199053A (en) 1981-05-30 1981-05-30 Executing and processing system for control instruction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56083462A JPS57199053A (en) 1981-05-30 1981-05-30 Executing and processing system for control instruction

Publications (1)

Publication Number Publication Date
JPS57199053A true JPS57199053A (en) 1982-12-06

Family

ID=13803125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56083462A Pending JPS57199053A (en) 1981-05-30 1981-05-30 Executing and processing system for control instruction

Country Status (1)

Country Link
JP (1) JPS57199053A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603748A (en) * 1983-06-22 1985-01-10 Toshiba Corp Collating method of memory for controller
JPS605342A (en) * 1983-06-23 1985-01-11 Nippon Telegr & Teleph Corp <Ntt> Instruction control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603748A (en) * 1983-06-22 1985-01-10 Toshiba Corp Collating method of memory for controller
JPS605342A (en) * 1983-06-23 1985-01-11 Nippon Telegr & Teleph Corp <Ntt> Instruction control system

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