JPS52102648A - Variable word-length microprogram control unit - Google Patents

Variable word-length microprogram control unit

Info

Publication number
JPS52102648A
JPS52102648A JP1890276A JP1890276A JPS52102648A JP S52102648 A JPS52102648 A JP S52102648A JP 1890276 A JP1890276 A JP 1890276A JP 1890276 A JP1890276 A JP 1890276A JP S52102648 A JPS52102648 A JP S52102648A
Authority
JP
Japan
Prior art keywords
length
control unit
microprogram control
variable word
word
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
JP1890276A
Other languages
Japanese (ja)
Inventor
Hideo Maejima
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 JP1890276A priority Critical patent/JPS52102648A/en
Publication of JPS52102648A publication Critical patent/JPS52102648A/en
Pending legal-status Critical Current

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  • Executing Machine-Instructions (AREA)

Abstract

PURPOSE: To increase executing speed and to make programming effective by classifying the micro-instructions into long word length and short length.
COPYRIGHT: (C)1977,JPO&Japio
JP1890276A 1976-02-25 1976-02-25 Variable word-length microprogram control unit Pending JPS52102648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1890276A JPS52102648A (en) 1976-02-25 1976-02-25 Variable word-length microprogram control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1890276A JPS52102648A (en) 1976-02-25 1976-02-25 Variable word-length microprogram control unit

Publications (1)

Publication Number Publication Date
JPS52102648A true JPS52102648A (en) 1977-08-29

Family

ID=11984509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1890276A Pending JPS52102648A (en) 1976-02-25 1976-02-25 Variable word-length microprogram control unit

Country Status (1)

Country Link
JP (1) JPS52102648A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155643A (en) * 1981-03-20 1982-09-25 Hitachi Ltd Microprogram controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155643A (en) * 1981-03-20 1982-09-25 Hitachi Ltd Microprogram controller
JPS6141420B2 (en) * 1981-03-20 1986-09-16 Hitachi Ltd

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