JPH0316650B2 - - Google Patents

Info

Publication number
JPH0316650B2
JPH0316650B2 JP58225843A JP22584383A JPH0316650B2 JP H0316650 B2 JPH0316650 B2 JP H0316650B2 JP 58225843 A JP58225843 A JP 58225843A JP 22584383 A JP22584383 A JP 22584383A JP H0316650 B2 JPH0316650 B2 JP H0316650B2
Authority
JP
Japan
Prior art keywords
addition
subtraction
register
binary coded
decimal
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 - Lifetime
Application number
JP58225843A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60117331A (ja
Inventor
Kazumasa Tanaka
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.)
NEC Corp
Original Assignee
Nippon 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP58225843A priority Critical patent/JPS60117331A/ja
Publication of JPS60117331A publication Critical patent/JPS60117331A/ja
Publication of JPH0316650B2 publication Critical patent/JPH0316650B2/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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/492—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination
    • G06F7/493—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination the representation being the natural binary coded representation, i.e. 8421-code
    • G06F7/494—Adding; Subtracting
    • 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
    • G06F2207/492—Indexing scheme relating to groups G06F7/492 - G06F7/496
    • G06F2207/4924—Digit-parallel adding or subtracting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
JP58225843A 1983-11-29 1983-11-29 １０進加減算装置 Granted JPS60117331A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58225843A JPS60117331A (ja) 1983-11-29 1983-11-29 １０進加減算装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58225843A JPS60117331A (ja) 1983-11-29 1983-11-29 １０進加減算装置

Publications (2)

Publication Number Publication Date
JPS60117331A JPS60117331A (ja) 1985-06-24
JPH0316650B2 true JPH0316650B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-03-06

Family

ID=16835692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58225843A Granted JPS60117331A (ja) 1983-11-29 1983-11-29 １０進加減算装置

Country Status (1)

Country Link
JP (1) JPS60117331A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02206832A (ja) * 1989-02-07 1990-08-16 Matsushita Electric Ind Co Ltd 乗算器

Also Published As

Publication number Publication date
JPS60117331A (ja) 1985-06-24

Similar Documents

Publication Publication Date Title
DE69416283D1 (de) Überlaufsteuerung für arithmetische Operationen
JPH05241792A (ja) 浮動小数点加減算方式および装置
JPS6227412B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0316650B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0545981B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2807170B2 (ja) 演算装置
JPS63111535A (ja) デ−タ処理装置
JPH0225538B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2556904B2 (ja) 高速加減算演算装置
JPH0330018A (ja) １０進演算方式
JP3205020B2 (ja) 演算装置
JPS6244657B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3139011B2 (ja) 固定小数点プロセッサ
JPS61177542A (ja) 符号補数・符号絶対値併用加減算装置
JPH05334048A (ja) 加減算器
JPH04128344U (ja) 信号処理装置
JPS61138334A (ja) １０進演算処理装置
JPH04307623A (ja) 算術論理演算装置
JPS6232533A (ja) １０進加減算回路における１０進デ−タ例外検出方式
JPS62263531A (ja) 十進演算方式
JPH045727A (ja) 変換装置
JPS6336433A (ja) 浮動小数点演算装置
JPH03150631A (ja) １０進除算回路
JPS5985539A (ja) 除算処理装置
JPH03214232A (ja) 浮動小数点加減算装置