JPS5348433A - Precedence control system - Google Patents

Precedence control system

Info

Publication number
JPS5348433A
JPS5348433A JP12278376A JP12278376A JPS5348433A JP S5348433 A JPS5348433 A JP S5348433A JP 12278376 A JP12278376 A JP 12278376A JP 12278376 A JP12278376 A JP 12278376A JP S5348433 A JPS5348433 A JP S5348433A
Authority
JP
Japan
Prior art keywords
control system
access request
precedence control
precedence
enitre
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
JP12278376A
Other languages
Japanese (ja)
Other versions
JPS5858707B2 (en
Inventor
Nagatoshi Usami
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 JP12278376A priority Critical patent/JPS5858707B2/en
Publication of JPS5348433A publication Critical patent/JPS5348433A/en
Publication of JPS5858707B2 publication Critical patent/JPS5858707B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Multi Processors (AREA)
  • Bus Control (AREA)

Abstract

PURPOSE: In case of access request, a memory control unit is made busy invariably, and the status is included in the access request receivable condition to improve the efficiency in use of the memory unit, thereby performing the enitre process effectively.
COPYRIGHT: (C)1978,JPO&Japio
JP12278376A 1976-10-15 1976-10-15 access control device Expired JPS5858707B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12278376A JPS5858707B2 (en) 1976-10-15 1976-10-15 access control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12278376A JPS5858707B2 (en) 1976-10-15 1976-10-15 access control device

Publications (2)

Publication Number Publication Date
JPS5348433A true JPS5348433A (en) 1978-05-01
JPS5858707B2 JPS5858707B2 (en) 1983-12-27

Family

ID=14844489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12278376A Expired JPS5858707B2 (en) 1976-10-15 1976-10-15 access control device

Country Status (1)

Country Link
JP (1) JPS5858707B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965369A (en) * 1982-09-03 1984-04-13 セコイア・システムス・インコ−ポレ−テツド Computer system
JPH02146642A (en) * 1988-11-29 1990-06-05 Fujitsu Ltd Access selection system
JPH02245858A (en) * 1989-03-20 1990-10-01 Fujitsu Ltd Data transfer controller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965369A (en) * 1982-09-03 1984-04-13 セコイア・システムス・インコ−ポレ−テツド Computer system
JPH0630093B2 (en) * 1982-09-03 1994-04-20 セコイア・システムス・インコ−ポレ−テツド Computer system
JPH02146642A (en) * 1988-11-29 1990-06-05 Fujitsu Ltd Access selection system
JPH02245858A (en) * 1989-03-20 1990-10-01 Fujitsu Ltd Data transfer controller

Also Published As

Publication number Publication date
JPS5858707B2 (en) 1983-12-27

Similar Documents

Publication Publication Date Title
JPS522236A (en) Queue retrieving operation system
JPS5326539A (en) Data exchenge system
JPS5299034A (en) Control system for micro program
JPS5348433A (en) Precedence control system
JPS53145536A (en) Interruption process system
JPS5370627A (en) Power supply holding unit
JPS5363833A (en) Cyclic buffer receiving system
JPS5285444A (en) Information processing system
JPS51138136A (en) Main memory access controller
JPS532050A (en) Polling system
JPS5364430A (en) Cash memory diagnosis system
JPS51141544A (en) Method of memory utilization control
JPS537145A (en) Line memory control system at communication control equipment
JPS52131436A (en) Interruption control system
JPS5264838A (en) Memory control system
JPS5289437A (en) Priority order control system
JPS5356936A (en) Transfer control system
JPS5230130A (en) Store control system of multihierarchy memory
JPS5487140A (en) Data transfer control system
JPS51127637A (en) Information processing device under micro program control system
JPS5333022A (en) Memory hierarchy control system
JPS5288444A (en) Hair steamer
JPS52149446A (en) Coupling system between a plural number of cpu#s and one memory unit
JPS5356999A (en) Bell
JPS51131696A (en) A bill transfer control system for bill discriminator