JPS5617454A - Information processor - Google Patents

Information processor

Info

Publication number
JPS5617454A
JPS5617454A JP9406779A JP9406779A JPS5617454A JP S5617454 A JPS5617454 A JP S5617454A JP 9406779 A JP9406779 A JP 9406779A JP 9406779 A JP9406779 A JP 9406779A JP S5617454 A JPS5617454 A JP S5617454A
Authority
JP
Japan
Prior art keywords
memory
bits
control
register
bit
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
JP9406779A
Other languages
Japanese (ja)
Inventor
Masatsugu Inoue
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 JP9406779A priority Critical patent/JPS5617454A/en
Publication of JPS5617454A publication Critical patent/JPS5617454A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce an overhead generated due to control bit processing by outputting stored control bits, justified to one side, after shifting them by a fixed number of bits with stored initial address information.
CONSTITUTION: With inputs to assigned-bit register 5 that assigns the kind of memory operation and to register 6 that sets three low-order bits of memory length, memory-control-bit generating circuit 8 generates basic control bits justified to the left as many as eight bytes and with eight basic control bits 18 and an input from memory position rgister 7 that sets three low-order bits of the initial address of the memory, shifter 9 shifts basic control bits to the right. The former half of eight bits of the output of shifter 9 is input to memory-control-bit register 10, and the latter half of eight bits is input to buffer-memory-control-bit register 11, so that the contents of register 10 will be transferred to memory unit MEM together with memory data.
COPYRIGHT: (C)1981,JPO&Japio
JP9406779A 1979-07-23 1979-07-23 Information processor Pending JPS5617454A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9406779A JPS5617454A (en) 1979-07-23 1979-07-23 Information processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9406779A JPS5617454A (en) 1979-07-23 1979-07-23 Information processor

Publications (1)

Publication Number Publication Date
JPS5617454A true JPS5617454A (en) 1981-02-19

Family

ID=14100161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9406779A Pending JPS5617454A (en) 1979-07-23 1979-07-23 Information processor

Country Status (1)

Country Link
JP (1) JPS5617454A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05204635A (en) * 1992-01-27 1993-08-13 Fujitsu Ltd Register control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05204635A (en) * 1992-01-27 1993-08-13 Fujitsu Ltd Register control system

Similar Documents

Publication Publication Date Title
CH585436A5 (en)
KR900006853A (en) Microprocessor
JPS5455132A (en) Input-output control system
JPS52119832A (en) Electroinc calculator of microprogram control system
JPS54122043A (en) Electronic computer
JPS54147738A (en) Data processing system
JPS5617454A (en) Information processor
KR940009819A (en) Offset Value Calculation Circuit and Method of Data Processing System
SE7509282L (en) ELECTRONIC COMPUTER.
JPS522330A (en) Data processig unit
JPS57113144A (en) Stored program computer
JPS5679352A (en) Address generator
JPS5556220A (en) Data input system
JPS5578339A (en) Multiplication system
JPS57150038A (en) Address designating circuit
JPS556622A (en) Microprogram sequence control circuuit
JPS55166747A (en) Data processor
JPS54108545A (en) Semiconductor device of bit slice type
JPS56101247A (en) Audio output device
JPS53112041A (en) Data processor
JPS52123839A (en) Signal expander
KR950033809A (en) Partial Product Row Generation Circuit in Modified Booth Multiplier
JPS5363826A (en) Information processing unit
JPS5690355A (en) Data processing unit
JPS55123737A (en) Microprogram address control system