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JPS59142839U - Program copy protection device - Google Patents

Program copy protection device

Info

Publication number
JPS59142839U
JPS59142839U JP1983037198U JP3719883U JPS59142839U JP S59142839 U JPS59142839 U JP S59142839U JP 1983037198 U JP1983037198 U JP 1983037198U JP 3719883 U JP3719883 U JP 3719883U JP S59142839 U JPS59142839 U JP S59142839U
Authority
JP
Japan
Prior art keywords
program
protection device
copy protection
program copy
rom
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
JP1983037198U
Other languages
Japanese (ja)
Inventor
村上　正喜
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.)
Meidensha Corp
Original Assignee
Meidensha Corp
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 Meidensha Corp filed Critical Meidensha Corp
Priority to JP1983037198U priority Critical patent/JPS59142839U/en
Publication of JPS59142839U publication Critical patent/JPS59142839U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示した構成図、第２図は本
考案を説明するためのフローチャート図である。 １はプロセッサ、２はＲＡＭ、３はＲＯＭ、４は外部入
出力コントローラ、５は補助記憶装置。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a flowchart for explaining the present invention. 1 is a processor, 2 is a RAM, 3 is a ROM, 4 is an external input/output controller, and 5 is an auxiliary storage device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マシンコードを記憶しているＲＯＭと、このＲＯＭから
読み取ったマシンコードとプログラムに組み込んだソフ
トワエアコードとを比較する手段、比較の結果一致した
とき正常ルートへ復帰し、不一致のときリセットルーチ
ンへ復帰する手段とを備えたことを特徴とするプログラ
ムの複写防止装置。ROM that stores the machine code, means to compare the machine code read from this ROM and the software code incorporated in the program, and if the comparison results match, return to the normal route, and if they do not match, go to the reset routine What is claimed is: 1. A copy prevention device for a program, comprising: means for restoring the program.
JP1983037198U 1983-03-15 1983-03-15 Program copy protection device Pending JPS59142839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983037198U JPS59142839U (en) 1983-03-15 1983-03-15 Program copy protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983037198U JPS59142839U (en) 1983-03-15 1983-03-15 Program copy protection device

Publications (1)

Publication Number Publication Date
JPS59142839U true JPS59142839U (en) 1984-09-25

Family

ID=30167875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983037198U Pending JPS59142839U (en) 1983-03-15 1983-03-15 Program copy protection device

Country Status (1)

Country Link
JP (1) JPS59142839U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61250735A (en) * 1985-04-30 1986-11-07 Fujitsu Ltd Table replication control method
JPH0264754A (en) * 1988-08-30 1990-03-05 Canon Inc Processor with software protecting function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61250735A (en) * 1985-04-30 1986-11-07 Fujitsu Ltd Table replication control method
JPH0264754A (en) * 1988-08-30 1990-03-05 Canon Inc Processor with software protecting function

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