JPS54133858A - Address detector of computer - Google Patents
Address detector of computerInfo
- Publication number
- JPS54133858A JPS54133858A JP4120778A JP4120778A JPS54133858A JP S54133858 A JPS54133858 A JP S54133858A JP 4120778 A JP4120778 A JP 4120778A JP 4120778 A JP4120778 A JP 4120778A JP S54133858 A JPS54133858 A JP S54133858A
- Authority
- JP
- Japan
- Prior art keywords
- address
- detection point
- ram12
- ram
- computer
- 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
Abstract
PURPOSE:To enable a simple circuit to detect an address by setting a detection point by writing ''1'' into a RAM by a selective signal and then by identifying an output read out from the RAM, when ''1'', as the detection point for the execution of a program. CONSTITUTION:The microprocessor writes ''1'' into register 11 to RAM12 corresponding to an indicated address and selector circuit 14 selects the output of register 11 and applies it as the address of RAM 12. Then, writing ''1'' into RAM12 by a selective signal sets the detection point. To execute the program, the computer reads out the contents of RAM12 according to the access address and when the output is ''1'', it is identified as the detection point. Consequently, the address detection of a computer needed for the on-line debugging unit of a microcomputer can be realized by a simple circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4120778A JPS54133858A (en) | 1978-04-10 | 1978-04-10 | Address detector of computer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4120778A JPS54133858A (en) | 1978-04-10 | 1978-04-10 | Address detector of computer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54133858A true JPS54133858A (en) | 1979-10-17 |
Family
ID=12601955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4120778A Pending JPS54133858A (en) | 1978-04-10 | 1978-04-10 | Address detector of computer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54133858A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933548A (en) * | 1982-08-20 | 1984-02-23 | Toshiba Corp | Readout circuit of read only memory for set |
CN112666164A (en) * | 2020-11-23 | 2021-04-16 | 上海新时达机器人有限公司 | Robot vision detection method for multi-product mixed-line production control cabinet |
-
1978
- 1978-04-10 JP JP4120778A patent/JPS54133858A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933548A (en) * | 1982-08-20 | 1984-02-23 | Toshiba Corp | Readout circuit of read only memory for set |
CN112666164A (en) * | 2020-11-23 | 2021-04-16 | 上海新时达机器人有限公司 | Robot vision detection method for multi-product mixed-line production control cabinet |
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