JPS57111740A - Updating control system of program content - Google Patents

Updating control system of program content

Info

Publication number
JPS57111740A
JPS57111740A JP55187771A JP18777180A JPS57111740A JP S57111740 A JPS57111740 A JP S57111740A JP 55187771 A JP55187771 A JP 55187771A JP 18777180 A JP18777180 A JP 18777180A JP S57111740 A JPS57111740 A JP S57111740A
Authority
JP
Japan
Prior art keywords
updating
data
register
file
address
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
JP55187771A
Other languages
Japanese (ja)
Other versions
JPS6144339B2 (en
Inventor
Hideaki Kaji
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 JP55187771A priority Critical patent/JPS57111740A/en
Publication of JPS57111740A publication Critical patent/JPS57111740A/en
Publication of JPS6144339B2 publication Critical patent/JPS6144339B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating

Abstract

PURPOSE:To easily return the contents of a program to a state before updating, by providing a register for storing an address to be updated and a present data, and a register for storing an updated data, and designating one of them by updating and reverse updating designation parts. CONSTITUTION:When a processing device 2 starts its operation, an updated address A1, a present data X1, an updated data Y1, etc. are set to a present register 4 and an updating register 5 from a change information file 3. When updating is designated to a designation part 6 from a keyboard 11, a read-out part 10 accesses a file 1 by the address A1, and provides a read-out data to an updating part 8. The updating part 8 checks whether this data is X1 or not, and in case of X1, said part stores the data Y1 of the register 5 in the address A1 of the file 1, and proceeds to the next. If there is an error in information of the file 3, when updating is designated to the designation part 6 from the keyboard 11, a reverse updating part 9 checks whether data of the address A1 of the file 1 is identical with the data Y1 of the register 5 or not, and in case of coincidence, said part writes the data X1 of the register 4 in the file 1, and returns it to a state before updating.
JP55187771A 1980-12-29 1980-12-29 Updating control system of program content Granted JPS57111740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55187771A JPS57111740A (en) 1980-12-29 1980-12-29 Updating control system of program content

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55187771A JPS57111740A (en) 1980-12-29 1980-12-29 Updating control system of program content

Publications (2)

Publication Number Publication Date
JPS57111740A true JPS57111740A (en) 1982-07-12
JPS6144339B2 JPS6144339B2 (en) 1986-10-02

Family

ID=16211918

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55187771A Granted JPS57111740A (en) 1980-12-29 1980-12-29 Updating control system of program content

Country Status (1)

Country Link
JP (1) JPS57111740A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136836A (en) * 1983-12-24 1985-07-20 Fujitsu Ltd Patch post-processing method of program

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136836A (en) * 1983-12-24 1985-07-20 Fujitsu Ltd Patch post-processing method of program

Also Published As

Publication number Publication date
JPS6144339B2 (en) 1986-10-02

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