JPS5563442A - Address set control system - Google Patents
Address set control systemInfo
- Publication number
- JPS5563442A JPS5563442A JP13689378A JP13689378A JPS5563442A JP S5563442 A JPS5563442 A JP S5563442A JP 13689378 A JP13689378 A JP 13689378A JP 13689378 A JP13689378 A JP 13689378A JP S5563442 A JPS5563442 A JP S5563442A
- Authority
- JP
- Japan
- Prior art keywords
- address
- register
- logical page
- lower rank
- page
- 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
- Executing Machine-Instructions (AREA)
- Memory System Of A Hierarchy Structure (AREA)
Abstract
PURPOSE: To reduce the execution time required for the address set processing, by performing the both of the lower rank address set and upper rank address set, only when the logical page address is altered, in the computer of the virtual memory system in which the bus width is less than the address width.
CONSTITUTION: The lower rank part corresponding to the bus width of the logical address is set to the operation register 1, this and the relative address in the operation register 2 are operated in the operation processing unit 3 and whether or not the result gives effect on the logical page address is discriminated with the AND circuits 13 and 14. If the discrimination is negative, the AND circuit 13 is open and the contents of the upper rank address register 6 is inputted to the address conversion set 8 with the logical page part in the lower rank address register 7. Further, the logical page address is converted into the real page address, and it is set to the real address register 9 with the address in the page in the lower rank address register 7.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13689378A JPS5563442A (en) | 1978-11-07 | 1978-11-07 | Address set control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13689378A JPS5563442A (en) | 1978-11-07 | 1978-11-07 | Address set control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5563442A true JPS5563442A (en) | 1980-05-13 |
Family
ID=15186010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13689378A Pending JPS5563442A (en) | 1978-11-07 | 1978-11-07 | Address set control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5563442A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5833046U (en) * | 1981-08-27 | 1983-03-03 | 日東電工株式会社 | aromatic material |
JPS58114246A (en) * | 1981-12-28 | 1983-07-07 | Fujitsu Ltd | Address qualifying system |
JPS63111535A (en) * | 1986-10-29 | 1988-05-16 | Nec Corp | Data processor |
JPH01263750A (en) * | 1988-04-13 | 1989-10-20 | Nec Corp | Single chip microcomputer |
-
1978
- 1978-11-07 JP JP13689378A patent/JPS5563442A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5833046U (en) * | 1981-08-27 | 1983-03-03 | 日東電工株式会社 | aromatic material |
JPS58114246A (en) * | 1981-12-28 | 1983-07-07 | Fujitsu Ltd | Address qualifying system |
JPS63111535A (en) * | 1986-10-29 | 1988-05-16 | Nec Corp | Data processor |
JPH01263750A (en) * | 1988-04-13 | 1989-10-20 | Nec Corp | Single chip microcomputer |
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