JPS5663629A - Buffer control device - Google Patents

Buffer control device

Info

Publication number
JPS5663629A
JPS5663629A JP13903979A JP13903979A JPS5663629A JP S5663629 A JPS5663629 A JP S5663629A JP 13903979 A JP13903979 A JP 13903979A JP 13903979 A JP13903979 A JP 13903979A JP S5663629 A JPS5663629 A JP S5663629A
Authority
JP
Japan
Prior art keywords
equipment
data
counter
dialogue
peripheral
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.)
Granted
Application number
JP13903979A
Other languages
Japanese (ja)
Other versions
JPS6235148B2 (en
Inventor
Kazuo Yasue
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP13903979A priority Critical patent/JPS5663629A/en
Publication of JPS5663629A publication Critical patent/JPS5663629A/en
Publication of JPS6235148B2 publication Critical patent/JPS6235148B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Information Transfer Systems (AREA)

Abstract

PURPOSE: To reduce the load of the peripheral control equipment, by providing the buffer memory BM between the peripheral control equipment and the peripheral equipment, and automatically executing the dialogue of a data between this BM and the peripheral equipment.
CONSTITUTION: CPU1 sets a prescribed value and a writed output to the counter 9 and the FF6, respectively, through the peripheral control equipment 2, and writes a data of prescribed byte to BM3. When the peripheral equipment 5 is in an available state, if a data is written to the BM3, the dialogue control 8 operates by an output of the FF6, and controls so that the dialogue can be automatically executed between the BM3 and the equipment 5. Whenever the dialogue of 1 byte each of a data is executed to the equipment from the memory BM3, the counter is subtracted by "1" each. When the counter 9 has reached the prescribed value, a set signal is sent out to the FF14 from the comparator 11, the end report is executed to the equipment 2 from the FF14, the next data is transferred, and when the counter 9 underflows, the FF12 is set, and it is reported to the equipment 2 that the data transfer has been all finished.
COPYRIGHT: (C)1981,JPO&Japio
JP13903979A 1979-10-27 1979-10-27 Buffer control device Granted JPS5663629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13903979A JPS5663629A (en) 1979-10-27 1979-10-27 Buffer control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13903979A JPS5663629A (en) 1979-10-27 1979-10-27 Buffer control device

Publications (2)

Publication Number Publication Date
JPS5663629A true JPS5663629A (en) 1981-05-30
JPS6235148B2 JPS6235148B2 (en) 1987-07-30

Family

ID=15236021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13903979A Granted JPS5663629A (en) 1979-10-27 1979-10-27 Buffer control device

Country Status (1)

Country Link
JP (1) JPS5663629A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176816A (en) * 1983-03-26 1984-10-06 Fujitsu Ltd Data transfer system
JPS61265651A (en) * 1985-05-21 1986-11-25 Fujitsu Ltd Input/output control device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0320728U (en) * 1989-07-12 1991-02-28

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176816A (en) * 1983-03-26 1984-10-06 Fujitsu Ltd Data transfer system
JPS61265651A (en) * 1985-05-21 1986-11-25 Fujitsu Ltd Input/output control device
JPH053615B2 (en) * 1985-05-21 1993-01-18 Fujitsu Ltd

Also Published As

Publication number Publication date
JPS6235148B2 (en) 1987-07-30

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