JPS5578344A - Microprogram control system - Google Patents

Microprogram control system

Info

Publication number
JPS5578344A
JPS5578344A JP15192978A JP15192978A JPS5578344A JP S5578344 A JPS5578344 A JP S5578344A JP 15192978 A JP15192978 A JP 15192978A JP 15192978 A JP15192978 A JP 15192978A JP S5578344 A JPS5578344 A JP S5578344A
Authority
JP
Japan
Prior art keywords
register
data
general
directions
processing 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
JP15192978A
Other languages
Japanese (ja)
Inventor
Shinji Nishibe
Fumitaka Sato
Akira Koda
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 JP15192978A priority Critical patent/JPS5578344A/en
Priority to US06/100,447 priority patent/US4347566A/en
Publication of JPS5578344A publication Critical patent/JPS5578344A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make operation high-speed to improve the operation function of an information processing unit by designating addresses from two directions by a general register and reading two data at a time.
CONSTITUTION: Instruction register IR21 stores instruction words, and general register 27 can designate addresses from two directions, namely, the A port side and the B port side to read two data at a time. Then, two data read from register 27 are selected on a basis of information of a field designating a source register of the micro instrcution word by general selector switches 30 and 31 and are inputted to operation circuit 32. As a result, operation can be made high-speed to improve the operation function of the information processing unit.
COPYRIGHT: (C)1980,JPO&Japio
JP15192978A 1978-12-11 1978-12-11 Microprogram control system Pending JPS5578344A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15192978A JPS5578344A (en) 1978-12-11 1978-12-11 Microprogram control system
US06/100,447 US4347566A (en) 1978-12-11 1979-12-05 Data processor with register file and arithmetic logic circuit on one chip and register means directly connected to the chip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15192978A JPS5578344A (en) 1978-12-11 1978-12-11 Microprogram control system

Publications (1)

Publication Number Publication Date
JPS5578344A true JPS5578344A (en) 1980-06-12

Family

ID=15529278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15192978A Pending JPS5578344A (en) 1978-12-11 1978-12-11 Microprogram control system

Country Status (1)

Country Link
JP (1) JPS5578344A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840667A (en) * 1981-08-19 1983-03-09 インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン Microprocessor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840667A (en) * 1981-08-19 1983-03-09 インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン Microprocessor
JPS638490B2 (en) * 1981-08-19 1988-02-23 Intaanashonaru Bijinesu Mashiinzu Corp

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