JPS6141420B2 - - Google Patents

Info

Publication number
JPS6141420B2
JPS6141420B2 JP56039593A JP3959381A JPS6141420B2 JP S6141420 B2 JPS6141420 B2 JP S6141420B2 JP 56039593 A JP56039593 A JP 56039593A JP 3959381 A JP3959381 A JP 3959381A JP S6141420 B2 JPS6141420 B2 JP S6141420B2
Authority
JP
Japan
Prior art keywords
microinstruction
microprogram
word length
microinstructions
bit pattern
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.)
Expired
Application number
JP56039593A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57155643A (en
Inventor
Akihiro Katsura
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 JP3959381A priority Critical patent/JPS57155643A/ja
Priority to GB8116575A priority patent/GB2077010B/en
Priority to DE3121742A priority patent/DE3121742C2/de
Priority to US06/269,608 priority patent/US4446517A/en
Publication of JPS57155643A publication Critical patent/JPS57155643A/ja
Publication of JPS6141420B2 publication Critical patent/JPS6141420B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/223—Execution means for microinstructions irrespective of the microinstruction function, e.g. decoding of microinstructions and nanoinstructions; timing of microinstructions; programmable logic arrays; delays and fan-out problems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
JP3959381A 1980-06-02 1981-03-20 Microprogram controller Granted JPS57155643A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP3959381A JPS57155643A (en) 1981-03-20 1981-03-20 Microprogram controller
GB8116575A GB2077010B (en) 1980-06-02 1981-05-29 Microprogramme control method and apparatus therefor
DE3121742A DE3121742C2 (de) 1980-06-02 1981-06-01 Mikroprogramm-Steuereinrichtung
US06/269,608 US4446517A (en) 1980-06-02 1981-06-02 Microprogram memory with page addressing and address decode in memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3959381A JPS57155643A (en) 1981-03-20 1981-03-20 Microprogram controller

Publications (2)

Publication Number Publication Date
JPS57155643A JPS57155643A (en) 1982-09-25
JPS6141420B2 true JPS6141420B2 (enrdf_load_stackoverflow) 1986-09-16

Family

ID=12557400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3959381A Granted JPS57155643A (en) 1980-06-02 1981-03-20 Microprogram controller

Country Status (1)

Country Link
JP (1) JPS57155643A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52102648A (en) * 1976-02-25 1977-08-29 Hitachi Ltd Variable word-length microprogram control unit

Also Published As

Publication number Publication date
JPS57155643A (en) 1982-09-25

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