JPS55138156A - Information processor - Google Patents

Information processor

Info

Publication number
JPS55138156A
JPS55138156A JP4646079A JP4646079A JPS55138156A JP S55138156 A JPS55138156 A JP S55138156A JP 4646079 A JP4646079 A JP 4646079A JP 4646079 A JP4646079 A JP 4646079A JP S55138156 A JPS55138156 A JP S55138156A
Authority
JP
Japan
Prior art keywords
address
storage
operator
selector circuit
data bus
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
JP4646079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6120889B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Katsuaki Nagafuku
Kazunobu Mimura
Yasuyuki Okada
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 JP4646079A priority Critical patent/JPS55138156A/ja
Priority to US06/078,723 priority patent/US4301514A/en
Publication of JPS55138156A publication Critical patent/JPS55138156A/ja
Publication of JPS6120889B2 publication Critical patent/JPS6120889B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/57—Arithmetic logic units [ALU], i.e. arrangements or devices for performing two or more of the operations covered by groups G06F7/483 – G06F7/556 or for performing logical operations
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
    • G06F9/342—Extension of operand address space
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/3808—Details concerning the type of numbers or the way they are handled
    • G06F2207/3812—Devices capable of handling different types of numbers
    • G06F2207/3816—Accepting numbers of variable word length

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Executing Machine-Instructions (AREA)
JP4646079A 1979-04-16 1979-04-16 Information processor Granted JPS55138156A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4646079A JPS55138156A (en) 1979-04-16 1979-04-16 Information processor
US06/078,723 US4301514A (en) 1979-04-16 1979-09-25 Data processor for processing at one time data including X bytes and Y bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4646079A JPS55138156A (en) 1979-04-16 1979-04-16 Information processor

Publications (2)

Publication Number Publication Date
JPS55138156A true JPS55138156A (en) 1980-10-28
JPS6120889B2 JPS6120889B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-05-24

Family

ID=12747767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4646079A Granted JPS55138156A (en) 1979-04-16 1979-04-16 Information processor

Country Status (2)

Country Link
US (1) US4301514A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS55138156A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819955A (ja) * 1981-07-29 1983-02-05 Toshiba Corp 画像メモリ装置
JPS63193237A (ja) * 1987-02-06 1988-08-10 Toshiba Corp 半導体集積回路装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046448B2 (ja) 1980-07-11 1985-10-16 株式会社日立製作所 オ−バフロ−検出方式
US4454593A (en) * 1981-05-19 1984-06-12 Bell Telephone Laboratories, Incorporated Pictorial information processing technique
JPS62126440A (ja) * 1985-11-27 1987-06-08 Nec Corp 情報処理装置
JPH038279U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-06-13 1991-01-25
EP1229440B1 (en) * 1993-05-27 2007-05-02 Matsushita Electric Industrial Co., Ltd. Program converting unit and processor improved in address management
JP2885197B2 (ja) * 1996-08-16 1999-04-19 日本電気株式会社 演算処理装置及び演算処理方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021655A (en) * 1976-03-30 1977-05-03 International Business Machines Corporation Oversized data detection hardware for data processors which store data at variable length destinations

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819955A (ja) * 1981-07-29 1983-02-05 Toshiba Corp 画像メモリ装置
JPS63193237A (ja) * 1987-02-06 1988-08-10 Toshiba Corp 半導体集積回路装置

Also Published As

Publication number Publication date
US4301514A (en) 1981-11-17
JPS6120889B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-05-24

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