JPS57155634A - Shared controlling system of input and output device - Google Patents

Shared controlling system of input and output device

Info

Publication number
JPS57155634A
JPS57155634A JP3953581A JP3953581A JPS57155634A JP S57155634 A JPS57155634 A JP S57155634A JP 3953581 A JP3953581 A JP 3953581A JP 3953581 A JP3953581 A JP 3953581A JP S57155634 A JPS57155634 A JP S57155634A
Authority
JP
Japan
Prior art keywords
input
output device
data
output
locking data
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
JP3953581A
Other languages
Japanese (ja)
Inventor
Masaharu Kitaoka
Hirobumi Okahata
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP3953581A priority Critical patent/JPS57155634A/en
Publication of JPS57155634A publication Critical patent/JPS57155634A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To increase the applications of an input/output device, by performing the occupied reservation of the input/output device through a system and regardless of the input/output route. CONSTITUTION:The crosstalk is given to input/output devices 17-1-17-3 by input/ output controllers 14 and 15. An exclusive control memory 6 has plural block regions that have a 1:1 correspondence to each input/output device with the register locking data written. Then controlles receive the prescribed command, the address of the input/output device, the collating locking data and the replacing locking data respectively, and then examine the register locking data in the block region corresponding to the address of the input/output device. In case the register locking data is equal to the collating data and different from the replacing data, a prescribed process is carried out. In the same way, a prescribed process is carried out respectively in case all data are equal to each other and in case the locking data is different from the collating data. In such a way, the applications of an input/output device can be increased.
JP3953581A 1981-03-20 1981-03-20 Shared controlling system of input and output device Pending JPS57155634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3953581A JPS57155634A (en) 1981-03-20 1981-03-20 Shared controlling system of input and output device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3953581A JPS57155634A (en) 1981-03-20 1981-03-20 Shared controlling system of input and output device

Publications (1)

Publication Number Publication Date
JPS57155634A true JPS57155634A (en) 1982-09-25

Family

ID=12555734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3953581A Pending JPS57155634A (en) 1981-03-20 1981-03-20 Shared controlling system of input and output device

Country Status (1)

Country Link
JP (1) JPS57155634A (en)

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