JPS5272545A - Bcd code subtraction circuit - Google Patents

Bcd code subtraction circuit

Info

Publication number
JPS5272545A
JPS5272545A JP14846175A JP14846175A JPS5272545A JP S5272545 A JPS5272545 A JP S5272545A JP 14846175 A JP14846175 A JP 14846175A JP 14846175 A JP14846175 A JP 14846175A JP S5272545 A JPS5272545 A JP S5272545A
Authority
JP
Japan
Prior art keywords
subtraction circuit
bcd code
code subtraction
bcd
additors
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
JP14846175A
Other languages
Japanese (ja)
Inventor
Yoshisato Bessho
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP14846175A priority Critical patent/JPS5272545A/en
Publication of JPS5272545A publication Critical patent/JPS5272545A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • G06F2207/4921—Single digit 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)

Abstract

PURPOSE:To obtain easy BCD subtraction by doing addition-operation as X + anti Y with the all additors of 1 th 4-bit & of Z+0,Z+10 with 2th that according to +,-of operation result.
JP14846175A 1975-12-15 1975-12-15 Bcd code subtraction circuit Pending JPS5272545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14846175A JPS5272545A (en) 1975-12-15 1975-12-15 Bcd code subtraction circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14846175A JPS5272545A (en) 1975-12-15 1975-12-15 Bcd code subtraction circuit

Publications (1)

Publication Number Publication Date
JPS5272545A true JPS5272545A (en) 1977-06-17

Family

ID=15453262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14846175A Pending JPS5272545A (en) 1975-12-15 1975-12-15 Bcd code subtraction circuit

Country Status (1)

Country Link
JP (1) JPS5272545A (en)

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