JPS5743237A - Data storage system with code - Google Patents

Data storage system with code

Info

Publication number
JPS5743237A
JPS5743237A JP11908480A JP11908480A JPS5743237A JP S5743237 A JPS5743237 A JP S5743237A JP 11908480 A JP11908480 A JP 11908480A JP 11908480 A JP11908480 A JP 11908480A JP S5743237 A JPS5743237 A JP S5743237A
Authority
JP
Japan
Prior art keywords
digit
data
bit
code
numerical data
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
JP11908480A
Other languages
Japanese (ja)
Other versions
JPS5944654B2 (en
Inventor
Kiyoshi Uchiumi
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 JP55119084A priority Critical patent/JPS5944654B2/en
Publication of JPS5743237A publication Critical patent/JPS5743237A/en
Publication of JPS5944654B2 publication Critical patent/JPS5944654B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
    • G06F12/0615—Address space extension
    • G06F12/0623—Address space extension for memory modules

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Small-Scale Networks (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Cash Registers Or Receiving Machines (AREA)

Abstract

PURPOSE:To remarkably reduce a data storge area, by providing a device storing data to the storage area storing the most significant digit of a numerical data, and storing a coded data to the area storing the most significant digit of the numerical data of N-digit if the code data is produced. CONSTITUTION:Data in 4-bit is applied from a ten-key 4 to shift registers 10-1n of each digit of a 4-bit register 1 and it is sequentially shifted. When a negative code key 2 is depressed, a coder 3 produces code signals, which are stored in the most significant digit 1n of the shift register 1. A pair of 8-bit data adjacent to the 4-bit shift registers are transferred to the register 5. In case of positive normal numerical data, the 1st digit N1 to the 10th digit N10 are used for numerica data, and in case of a negative numerical data, the 1st digit N1 is used for either of 6 patterns of A- F excluding 0-9, and the 9 digits from the 2nd digit N2 to the 10th digit N10 are used for numerical data.
JP55119084A 1980-08-29 1980-08-29 Signed data storage method Expired JPS5944654B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55119084A JPS5944654B2 (en) 1980-08-29 1980-08-29 Signed data storage method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55119084A JPS5944654B2 (en) 1980-08-29 1980-08-29 Signed data storage method

Publications (2)

Publication Number Publication Date
JPS5743237A true JPS5743237A (en) 1982-03-11
JPS5944654B2 JPS5944654B2 (en) 1984-10-31

Family

ID=14752483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55119084A Expired JPS5944654B2 (en) 1980-08-29 1980-08-29 Signed data storage method

Country Status (1)

Country Link
JP (1) JPS5944654B2 (en)

Also Published As

Publication number Publication date
JPS5944654B2 (en) 1984-10-31

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