JPS57206904A - Device controlling system - Google Patents

Device controlling system

Info

Publication number
JPS57206904A
JPS57206904A JP9196981A JP9196981A JPS57206904A JP S57206904 A JPS57206904 A JP S57206904A JP 9196981 A JP9196981 A JP 9196981A JP 9196981 A JP9196981 A JP 9196981A JP S57206904 A JPS57206904 A JP S57206904A
Authority
JP
Japan
Prior art keywords
vtr4
main memory
external device
information holding
operation command
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
JP9196981A
Other languages
Japanese (ja)
Inventor
Norio Aihara
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 JP9196981A priority Critical patent/JPS57206904A/en
Publication of JPS57206904A publication Critical patent/JPS57206904A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/07—Programme control other than numerical control, i.e. in sequence controllers or logic controllers where the programme is defined in the fixed connection of electrical elements, e.g. potentiometers, counters, transistors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)

Abstract

PURPOSE:To produce a device enabling a computer to control an external device easily and quickly by providing the device with an information holding device to output an operation command to the external device and an information holding device to display the internal status of the external device. CONSTITUTION:A controlling device is provided with the 1st information holding device outputting an operation command to an external device and the 2nd information holding device displaying the internal status of the external device and addresses of a main memory are assigned to the 1st and 2nd devices. When a central processing device CPU 1 controls a video tape recorder VTR4 for example, a location ''1'' 3b of a main memory 2 which stores the internal status of the VTR 4 is read out to check the internal status of the VTR4 and then a data with a bit pattern corresponding to a required operation is written in a location ''0'' 3a of the main memory which stores the operation command for the VTR4. Subsequently the location ''1'' 3b of the main memory 2 is read out again to check whether the operation command of the VTR4 is correctly executed or not.
JP9196981A 1981-06-15 1981-06-15 Device controlling system Pending JPS57206904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9196981A JPS57206904A (en) 1981-06-15 1981-06-15 Device controlling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9196981A JPS57206904A (en) 1981-06-15 1981-06-15 Device controlling system

Publications (1)

Publication Number Publication Date
JPS57206904A true JPS57206904A (en) 1982-12-18

Family

ID=14041361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9196981A Pending JPS57206904A (en) 1981-06-15 1981-06-15 Device controlling system

Country Status (1)

Country Link
JP (1) JPS57206904A (en)

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