JPS5258434A - In and output unit control method - Google Patents

In and output unit control method

Info

Publication number
JPS5258434A
JPS5258434A JP13410075A JP13410075A JPS5258434A JP S5258434 A JPS5258434 A JP S5258434A JP 13410075 A JP13410075 A JP 13410075A JP 13410075 A JP13410075 A JP 13410075A JP S5258434 A JPS5258434 A JP S5258434A
Authority
JP
Japan
Prior art keywords
control method
output unit
unit control
command
unit
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
JP13410075A
Other languages
Japanese (ja)
Inventor
Kenji Kinouchi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13410075A priority Critical patent/JPS5258434A/en
Publication of JPS5258434A publication Critical patent/JPS5258434A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enable the recognition of the unit by program remaining as common logic constitution, by giving the unit specific code to the command decoder of an I/O control unit as a data and by rejecting conventional dummy command as incorrect command.
COPYRIGHT: (C)1977,JPO&Japio
JP13410075A 1975-11-10 1975-11-10 In and output unit control method Pending JPS5258434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13410075A JPS5258434A (en) 1975-11-10 1975-11-10 In and output unit control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13410075A JPS5258434A (en) 1975-11-10 1975-11-10 In and output unit control method

Publications (1)

Publication Number Publication Date
JPS5258434A true JPS5258434A (en) 1977-05-13

Family

ID=15120435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13410075A Pending JPS5258434A (en) 1975-11-10 1975-11-10 In and output unit control method

Country Status (1)

Country Link
JP (1) JPS5258434A (en)

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