JPS5616257A - Disc cash control system - Google Patents
Disc cash control systemInfo
- Publication number
- JPS5616257A JPS5616257A JP9091579A JP9091579A JPS5616257A JP S5616257 A JPS5616257 A JP S5616257A JP 9091579 A JP9091579 A JP 9091579A JP 9091579 A JP9091579 A JP 9091579A JP S5616257 A JPS5616257 A JP S5616257A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- track
- data
- cash
- 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
- Memory System Of A Hierarchy Structure (AREA)
Abstract
PURPOSE: To increase the system efficiency, by storing all the data content of track immediately to the address of cash area, transferring the required data stored in the track to the main memory area, and reducing the time occupied by the channel for transfer.
CONSTITUTION: When the request instruction of data is made from CPU3 of the information processor main body 2 to the cash control circuit 8, the circuit 8 immediately outputs the attention signal DAS and it is fed to the transfer control circuit 9 via the OR circuit 11. On the other hand, the data are sequentially read out together with the elapse of time at the magnetic disc 5, and the signal AS read out is input to the circuit 9. Further, the circuit 9 reads in the recorded value at the track location of the desired data based on the signal AS immediately after the reception of the signal DAS, and outputs the start signal STR to the serialparallel converter 12. Further, the record is sequentially fed to the transfer buffer 10 to store one track's share to the empty address of the disc cash 6, and the record is transferred to the main memory unit 4 with the control signal.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9091579A JPS5616257A (en) | 1979-07-19 | 1979-07-19 | Disc cash control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9091579A JPS5616257A (en) | 1979-07-19 | 1979-07-19 | Disc cash control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5616257A true JPS5616257A (en) | 1981-02-17 |
Family
ID=14011707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9091579A Pending JPS5616257A (en) | 1979-07-19 | 1979-07-19 | Disc cash control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5616257A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58155464A (en) * | 1981-11-27 | 1983-09-16 | ストレ−ジ・テクノロジ−・コ−ポレ−シヨン | Detection of sequential data stream |
JPS60122440A (en) * | 1983-12-07 | 1985-06-29 | Hitachi Ltd | Information retrieval control system |
JPH01269142A (en) * | 1988-04-20 | 1989-10-26 | Hitachi Ltd | Buffer memory control system |
-
1979
- 1979-07-19 JP JP9091579A patent/JPS5616257A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58155464A (en) * | 1981-11-27 | 1983-09-16 | ストレ−ジ・テクノロジ−・コ−ポレ−シヨン | Detection of sequential data stream |
JPS60122440A (en) * | 1983-12-07 | 1985-06-29 | Hitachi Ltd | Information retrieval control system |
JPH01269142A (en) * | 1988-04-20 | 1989-10-26 | Hitachi Ltd | Buffer memory control system |
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