JPH03269633A - Terminal program rewriting system - Google Patents

Terminal program rewriting system

Info

Publication number
JPH03269633A
JPH03269633A JP6824290A JP6824290A JPH03269633A JP H03269633 A JPH03269633 A JP H03269633A JP 6824290 A JP6824290 A JP 6824290A JP 6824290 A JP6824290 A JP 6824290A JP H03269633 A JPH03269633 A JP H03269633A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
program
rom
ram
received
stored
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
JP6824290A
Inventor
Ryoichi Nakada
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

Links

Abstract

PURPOSE: To omit the time required for exchange of ROMs of a terminal equipment by starting a ROM rewriting function of the terminal equipment via a host computer and writing a new program received from a computer into the ROM when the processing program of the terminal equipment is changed.
CONSTITUTION: A new program received from a host computer is received via a microprocessor 4 by a communication control program stored in a RAM 5 and stored in a received data store area provided at a part of the RAM 5. Then the program to be rewritten in a rewritable ROM 2 is erased by a ROM rewriting circuit 3 based on a rewrite control program. Then the new program received from the RAM 5 is written in place of the erased program. The rewritten program is read out of the ROM 2 and compared with the new program stored in the RAM 5. When the coincidence is obtained between both programs, a ROM rewrite mode flag is reset and at the same time the due processing is carried out based on the program stored in the ROM 2.
COPYRIGHT: (C)1991,JPO&Japio
JP6824290A 1990-03-20 1990-03-20 Terminal program rewriting system Pending JPH03269633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6824290A JPH03269633A (en) 1990-03-20 1990-03-20 Terminal program rewriting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6824290A JPH03269633A (en) 1990-03-20 1990-03-20 Terminal program rewriting system

Publications (1)

Publication Number Publication Date
JPH03269633A true true JPH03269633A (en) 1991-12-02

Family

ID=13368110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6824290A Pending JPH03269633A (en) 1990-03-20 1990-03-20 Terminal program rewriting system

Country Status (1)

Country Link
JP (1) JPH03269633A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07225686A (en) * 1994-02-10 1995-08-22 Nec Corp Program down-loading system
WO1997002573A1 (en) * 1995-07-04 1997-01-23 Siemens Aktiengesellschaft Method of up-dating the contents of the electronic memory of an electronic appliance
JP2003029993A (en) * 2001-07-11 2003-01-31 Sony Corp Information processor, information processing method, recording medium and program

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07225686A (en) * 1994-02-10 1995-08-22 Nec Corp Program down-loading system
WO1997002573A1 (en) * 1995-07-04 1997-01-23 Siemens Aktiengesellschaft Method of up-dating the contents of the electronic memory of an electronic appliance
US6014725A (en) * 1995-07-04 2000-01-11 Siemens Aktiengesellschaft Method of up-dating the contents of the electronic memory of an electronic appliance
JP2003029993A (en) * 2001-07-11 2003-01-31 Sony Corp Information processor, information processing method, recording medium and program

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