JPS55901A - Data buffer control system - Google Patents
Data buffer control systemInfo
- Publication number
- JPS55901A JPS55901A JP12010177A JP12010177A JPS55901A JP S55901 A JPS55901 A JP S55901A JP 12010177 A JP12010177 A JP 12010177A JP 12010177 A JP12010177 A JP 12010177A JP S55901 A JPS55901 A JP S55901A
- Authority
- JP
- Japan
- Prior art keywords
- service
- data
- counter
- buffer
- time
- 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
Abstract
PURPOSE: To control effectively a multistage buffer by using a needed and irreducible number of logic circuits.
CONSTITUTION: Counter 11 is provided which decides on the order of data service factors and service factor memory flags 14 and 15 which correspond to data buffers are set by the counter 11 at every time when each service factor is generated, so that when even either data service factor memory flag 14 or 15 is set, a corresponding service will be started. In addition, this system is provided with a flag for a stand-by in case that the service is in process at that time. Then, counter 21 makes a decision on a buffer to and from which data in process of the service are inputted and outputted, and determines whether the data service factor memory flag should be reset at the time of a operation end, thereby controlling several stages of data buffer in regular order. Further, even if a next service factor is generated before the service operation end, the error is detected.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12010177A JPS5919375B2 (en) | 1977-10-07 | 1977-10-07 | Data buffer control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12010177A JPS5919375B2 (en) | 1977-10-07 | 1977-10-07 | Data buffer control method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55901A true JPS55901A (en) | 1980-01-07 |
JPS5919375B2 JPS5919375B2 (en) | 1984-05-04 |
Family
ID=14777933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12010177A Expired JPS5919375B2 (en) | 1977-10-07 | 1977-10-07 | Data buffer control method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5919375B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60157655A (en) * | 1984-01-28 | 1985-08-17 | Fanuc Ltd | Auxiliary storage device |
JPS61131526A (en) * | 1984-11-30 | 1986-06-19 | Fujitsu Ltd | Manufacture of semiconductor device |
-
1977
- 1977-10-07 JP JP12010177A patent/JPS5919375B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60157655A (en) * | 1984-01-28 | 1985-08-17 | Fanuc Ltd | Auxiliary storage device |
JPH0340417B2 (en) * | 1984-01-28 | 1991-06-18 | ||
JPS61131526A (en) * | 1984-11-30 | 1986-06-19 | Fujitsu Ltd | Manufacture of semiconductor device |
JPH0464455B2 (en) * | 1984-11-30 | 1992-10-15 | Fujitsu Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS5919375B2 (en) | 1984-05-04 |
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