JPS55103616A - Bus dialogue system - Google Patents

Bus dialogue system

Info

Publication number
JPS55103616A
JPS55103616A JP1032279A JP1032279A JPS55103616A JP S55103616 A JPS55103616 A JP S55103616A JP 1032279 A JP1032279 A JP 1032279A JP 1032279 A JP1032279 A JP 1032279A JP S55103616 A JPS55103616 A JP S55103616A
Authority
JP
Japan
Prior art keywords
interruption
cpu
bus line
data
disc 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
JP1032279A
Other languages
Japanese (ja)
Inventor
Ryoichi Sugano
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 JP1032279A priority Critical patent/JPS55103616A/en
Publication of JPS55103616A publication Critical patent/JPS55103616A/en
Pending legal-status Critical Current

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  • Bus Control (AREA)

Abstract

PURPOSE: To improve a processing speed by providing a special bus line besides a normal bus line, by which a CPU is connected to I/O devices, and by causing a specific I/O device to use this bus line preferentially.
CONSTITUTION: When a read instruction is issued from a PCU to a disc unit, the disc unit turns on the read gate for the device. The device transfers data from the tuning-on time. When data is transferred, the disc unit controls a special bus line, which has a priority higher than bus lines in other I/O devices, to execute data interruption for the CPU. The CPU receives data by this interruption; and when the CPU completes receiving up to designation, the disc unit releases data interruption. Next, end interruption is executed for the purpose of reporting the end of operations for the read instruction to the CPU, and a normal bus line similar to bus lines in other I/O devices is used for this interruption, thus completing dialogue.
COPYRIGHT: (C)1980,JPO&Japio
JP1032279A 1979-02-02 1979-02-02 Bus dialogue system Pending JPS55103616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1032279A JPS55103616A (en) 1979-02-02 1979-02-02 Bus dialogue system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1032279A JPS55103616A (en) 1979-02-02 1979-02-02 Bus dialogue system

Publications (1)

Publication Number Publication Date
JPS55103616A true JPS55103616A (en) 1980-08-08

Family

ID=11746984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1032279A Pending JPS55103616A (en) 1979-02-02 1979-02-02 Bus dialogue system

Country Status (1)

Country Link
JP (1) JPS55103616A (en)

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