JPS54115038A - Data processing system - Google Patents
Data processing systemInfo
- Publication number
- JPS54115038A JPS54115038A JP2342078A JP2342078A JPS54115038A JP S54115038 A JPS54115038 A JP S54115038A JP 2342078 A JP2342078 A JP 2342078A JP 2342078 A JP2342078 A JP 2342078A JP S54115038 A JPS54115038 A JP S54115038A
- Authority
- JP
- Japan
- Prior art keywords
- register
- processing
- processing request
- request
- memory
- 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 execute service in the order of processing reguest taken place and to perform it econimically, by providing the processing request register, display register after request and the detection circuit for disagreement of the both.
CONSTITUTION: The peripheral sections 1,2 producing the processing request in arbitrary time are connected to the processing registration register 4 and the processing request registration register via the bus 9. When the peripheral section 1 requests serive to the control section 7, the processing request register is made by +1 via the operation circuit 6, and the service content of the peripheral section requested is stored in the memory address of the memory 3. On the other hand, the control section 7 detects the disagreement between the processing request registration register 4 and the processing display register 5, and if the exclusive logical sum is other than 0, the serivce is assumed to be present, and the register 5 is made by +1 via the operation circuit 6, the reslt of advance is addressed and accessed to the memory 3, and processing is executed to the peripheral section 1. Thus, the processing request is periodically received and it is sequentially executed.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2342078A JPS54115038A (en) | 1978-02-28 | 1978-02-28 | Data processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2342078A JPS54115038A (en) | 1978-02-28 | 1978-02-28 | Data processing system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54115038A true JPS54115038A (en) | 1979-09-07 |
Family
ID=12110000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2342078A Pending JPS54115038A (en) | 1978-02-28 | 1978-02-28 | Data processing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54115038A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61201339A (en) * | 1985-02-28 | 1986-09-06 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Interrupt control method and apparatus |
JPH01180049A (en) * | 1988-01-09 | 1989-07-18 | Pfu Ltd | Arbitrating circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51135337A (en) * | 1975-05-19 | 1976-11-24 | Mitsubishi Electric Corp | Data treatment device |
-
1978
- 1978-02-28 JP JP2342078A patent/JPS54115038A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51135337A (en) * | 1975-05-19 | 1976-11-24 | Mitsubishi Electric Corp | Data treatment device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61201339A (en) * | 1985-02-28 | 1986-09-06 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Interrupt control method and apparatus |
JPH01180049A (en) * | 1988-01-09 | 1989-07-18 | Pfu Ltd | Arbitrating circuit |
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