JPS5447454A - Data processor - Google Patents
Data processorInfo
- Publication number
- JPS5447454A JPS5447454A JP11323377A JP11323377A JPS5447454A JP S5447454 A JPS5447454 A JP S5447454A JP 11323377 A JP11323377 A JP 11323377A JP 11323377 A JP11323377 A JP 11323377A JP S5447454 A JPS5447454 A JP S5447454A
- Authority
- JP
- Japan
- Prior art keywords
- register
- contents
- bit
- memory
- index
- 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)
Abstract
PURPOSE: To facilitate an easy formation of a program of the flexible structure such as the re-entrant or the like by securing a double modification of the index register and the base register via the decision bit, and thus to enhance the effective application, the response property and others for the memory.
CONSTITUTION: The data processor includes order decision control part 108 to decide the order code for memory 101, control part 109 to control the action of the microprogram by the indication given from part 108, general-purpose register GR110 (GR9W15 used as index register), base register BR115, memory address register MAR103 and accumulator 111. The contents of the displacement is added (111) with the contents of GR9W15 designated by the index modifying bit and via the designation of the decision bit, and furthermore the contents of BR115 designated by the base modifying bit is added (111) to grow the physical address. The physical address is then figure-registered to MAR103 via bus 105
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11323377A JPS5447454A (en) | 1977-09-22 | 1977-09-22 | Data processor |
US05/942,452 US4240139A (en) | 1977-09-22 | 1978-09-14 | Address generating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11323377A JPS5447454A (en) | 1977-09-22 | 1977-09-22 | Data processor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5447454A true JPS5447454A (en) | 1979-04-14 |
Family
ID=14606930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11323377A Pending JPS5447454A (en) | 1977-09-22 | 1977-09-22 | Data processor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5447454A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6429932A (en) * | 1987-07-27 | 1989-01-31 | Mitsubishi Electric Corp | Address control system for signal processing |
JPH01151648A (en) * | 1987-12-04 | 1989-06-14 | Naka Ind Ltd | Floor panel supporter |
JPH01156825A (en) * | 1987-12-15 | 1989-06-20 | Mitsubishi Electric Corp | Generating system for signal processing address |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4934747A (en) * | 1972-08-01 | 1974-03-30 |
-
1977
- 1977-09-22 JP JP11323377A patent/JPS5447454A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4934747A (en) * | 1972-08-01 | 1974-03-30 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6429932A (en) * | 1987-07-27 | 1989-01-31 | Mitsubishi Electric Corp | Address control system for signal processing |
JPH01151648A (en) * | 1987-12-04 | 1989-06-14 | Naka Ind Ltd | Floor panel supporter |
JPH0645962B2 (en) * | 1987-12-04 | 1994-06-15 | ナカ工業株式会社 | Floor panel support equipment |
JPH01156825A (en) * | 1987-12-15 | 1989-06-20 | Mitsubishi Electric Corp | Generating system for signal processing address |
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