JPS5447454A - Data processor - Google Patents

Data processor

Info

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
Application number
JP11323377A
Other languages
Japanese (ja)
Inventor
Hidemi Yamamoto
Yasuo Fukuda
Michio Arai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11323377A priority Critical patent/JPS5447454A/en
Priority to US05/942,452 priority patent/US4240139A/en
Publication of JPS5447454A publication Critical patent/JPS5447454A/en
Pending legal-status Critical Current

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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
JP11323377A 1977-09-22 1977-09-22 Data processor Pending JPS5447454A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934747A (en) * 1972-08-01 1974-03-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934747A (en) * 1972-08-01 1974-03-30

Cited By (4)

* Cited by examiner, † Cited by third party
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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