JPS54124650A - Computer - Google Patents
ComputerInfo
- Publication number
- JPS54124650A JPS54124650A JP3206578A JP3206578A JPS54124650A JP S54124650 A JPS54124650 A JP S54124650A JP 3206578 A JP3206578 A JP 3206578A JP 3206578 A JP3206578 A JP 3206578A JP S54124650 A JPS54124650 A JP S54124650A
- Authority
- JP
- Japan
- Prior art keywords
- address
- application program
- limit address
- contents
- upper limit
- 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
Links
Landscapes
- Storage Device Security (AREA)
- Debugging And Monitoring (AREA)
Abstract
PURPOSE:To prevent the destruction of a basic program dependent upon the error of an application program by monitoring the next execution address and causing an interrupt to stop the execution of the application program when the application program will execute contents of an execution inhibit address set previously. CONSTITUTION:Switching circuit 132 generates a control signal stopping or operating the function of address monitor unit 13; and when this circuit is switched to the operating side, a ''1'' signal is generated to make address monitor equipment 133 operation-state, and the upper limit address and the lower limit address of the basic program stored in memory part 121 are set to register 131. Contents of sequential control counter 114 are compared with the upper limit address and the lower limit address of register 131 by address monitor equipment 133; and when contents of sequential control counter 114 have a value within the range between the upper limit address and the lower limit address, an interrupt is caused to stop the operation of an application program which generates the error.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3206578A JPS54124650A (en) | 1978-03-20 | 1978-03-20 | Computer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3206578A JPS54124650A (en) | 1978-03-20 | 1978-03-20 | Computer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54124650A true JPS54124650A (en) | 1979-09-27 |
Family
ID=12348470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3206578A Pending JPS54124650A (en) | 1978-03-20 | 1978-03-20 | Computer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54124650A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04123440U (en) * | 1991-04-20 | 1992-11-09 | 日本電気アイシーマイコンシステム株式会社 | micro computer |
-
1978
- 1978-03-20 JP JP3206578A patent/JPS54124650A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04123440U (en) * | 1991-04-20 | 1992-11-09 | 日本電気アイシーマイコンシステム株式会社 | micro computer |
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