JPS5739434A - Program reloading system - Google Patents

Program reloading system

Info

Publication number
JPS5739434A
JPS5739434A JP55113262A JP11326280A JPS5739434A JP S5739434 A JPS5739434 A JP S5739434A JP 55113262 A JP55113262 A JP 55113262A JP 11326280 A JP11326280 A JP 11326280A JP S5739434 A JPS5739434 A JP S5739434A
Authority
JP
Japan
Prior art keywords
program
signal
circuit
reload
broken down
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
JP55113262A
Other languages
Japanese (ja)
Other versions
JPH0120775B2 (en
Inventor
Hideyasu Mori
Tadashi Murayama
Masahisa Takiguchi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55113262A priority Critical patent/JPS5739434A/en
Publication of JPS5739434A publication Critical patent/JPS5739434A/en
Publication of JPH0120775B2 publication Critical patent/JPH0120775B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Retry When Errors Occur (AREA)

Abstract

PURPOSE:To prevent the life of a backup memory device from being shortened, by inhibiting the reload of a program for a prescribed time after start of the program, eve when the program is not being exected normally. CONSTITUTION:When a program stored in a random access memory 8 is partially broken down due to short break, etc. of a commerical electric power supply, execution of a program for replacement by a CPU5 is stopped substantially. In this state, a clear signal N having a constant period does not come into a counting circuit 11 from an input/output port 16, and a signal J outputted from the counting circuit 11 is varied to an H level. At this time, a signal K from an AND circuit 13 becomes an H level, and a signal B2 is generated from a pulse generating circuit 3. This signal B2 is supplied to a reset terminal R of a central control device 5, and reload of a program is executed. In this case, if an element itself in the memory 8 has been broken down, operation of a program is stopped before a prescribed time elapses, and a latching circuit 12 is not set.
JP55113262A 1980-08-18 1980-08-18 Program reloading system Granted JPS5739434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55113262A JPS5739434A (en) 1980-08-18 1980-08-18 Program reloading system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55113262A JPS5739434A (en) 1980-08-18 1980-08-18 Program reloading system

Publications (2)

Publication Number Publication Date
JPS5739434A true JPS5739434A (en) 1982-03-04
JPH0120775B2 JPH0120775B2 (en) 1989-04-18

Family

ID=14607693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55113262A Granted JPS5739434A (en) 1980-08-18 1980-08-18 Program reloading system

Country Status (1)

Country Link
JP (1) JPS5739434A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0197993A (en) * 1987-10-09 1989-04-17 Nippon Columbia Co Ltd Envelope generator
JPH03125197A (en) * 1989-10-09 1991-05-28 Yamaha Corp Envelope waveform generator and sound source for electronic musical instrument
JPH06202645A (en) * 1993-11-01 1994-07-22 Yamaha Corp Envelope waveform generating device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105722A (en) * 1979-02-08 1980-08-13 Toshiba Corp Initial program load system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105722A (en) * 1979-02-08 1980-08-13 Toshiba Corp Initial program load system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0197993A (en) * 1987-10-09 1989-04-17 Nippon Columbia Co Ltd Envelope generator
JPH03125197A (en) * 1989-10-09 1991-05-28 Yamaha Corp Envelope waveform generator and sound source for electronic musical instrument
JPH06202645A (en) * 1993-11-01 1994-07-22 Yamaha Corp Envelope waveform generating device

Also Published As

Publication number Publication date
JPH0120775B2 (en) 1989-04-18

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