JPS6421663A - Information communication processing system - Google Patents
Information communication processing systemInfo
- Publication number
- JPS6421663A JPS6421663A JP62178320A JP17832087A JPS6421663A JP S6421663 A JPS6421663 A JP S6421663A JP 62178320 A JP62178320 A JP 62178320A JP 17832087 A JP17832087 A JP 17832087A JP S6421663 A JPS6421663 A JP S6421663A
- Authority
- JP
- Japan
- Prior art keywords
- data
- register
- condition
- processor
- writes
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Multi Processors (AREA)
- Information Transfer Systems (AREA)
Abstract
PURPOSE:To execute an efficient access by first reading the contents of a status register with the data processor of one side, and writing condition data only when a flag is not raised. CONSTITUTION:A data processor 1A of one side forcibly, so to speak, writes condition setting data to a data register 5 and sets the flag to a status register 7. To such operation, a data processor 1B of the other side, when it writes the condition data to the register 5, first reads the contents of the register 7, for example, and writes the condition data only when the flag is not raised. In the processor 1A of one side, a condition reading mechanism 9 reads the condition data which are the contents of the register 5. Thus, concerning the access by the data processor of one side, an efficient processing can be executed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62178320A JPS6421663A (en) | 1987-07-17 | 1987-07-17 | Information communication processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62178320A JPS6421663A (en) | 1987-07-17 | 1987-07-17 | Information communication processing system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6421663A true JPS6421663A (en) | 1989-01-25 |
JPH056905B2 JPH056905B2 (en) | 1993-01-27 |
Family
ID=16046421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62178320A Granted JPS6421663A (en) | 1987-07-17 | 1987-07-17 | Information communication processing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6421663A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49114845A (en) * | 1973-02-28 | 1974-11-01 | ||
JPS55153027A (en) * | 1979-05-15 | 1980-11-28 | Matsushita Electric Ind Co Ltd | Interface circuit |
JPS59211161A (en) * | 1983-05-16 | 1984-11-29 | Fujitsu Ltd | Interface ram |
JPS61189053A (en) * | 1985-02-15 | 1986-08-22 | Matsushita Graphic Commun Syst Inc | Data transmitting and receiving method in data processor |
-
1987
- 1987-07-17 JP JP62178320A patent/JPS6421663A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49114845A (en) * | 1973-02-28 | 1974-11-01 | ||
JPS55153027A (en) * | 1979-05-15 | 1980-11-28 | Matsushita Electric Ind Co Ltd | Interface circuit |
JPS59211161A (en) * | 1983-05-16 | 1984-11-29 | Fujitsu Ltd | Interface ram |
JPS61189053A (en) * | 1985-02-15 | 1986-08-22 | Matsushita Graphic Commun Syst Inc | Data transmitting and receiving method in data processor |
Also Published As
Publication number | Publication date |
---|---|
JPH056905B2 (en) | 1993-01-27 |
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