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JPS5447455A - Data processor - Google Patents

Data processor

Info

Publication number
JPS5447455A
JPS5447455A JP11323477A JP11323477A JPS5447455A JP S5447455 A JPS5447455 A JP S5447455A JP 11323477 A JP11323477 A JP 11323477A JP 11323477 A JP11323477 A JP 11323477A JP S5447455 A JPS5447455 A JP S5447455A
Authority
JP
Japan
Prior art keywords
contents
index
mar103
gr9w15
order
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
JP11323477A
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 JP11323477A priority Critical patent/JPS5447455A/en
Priority to US05/942,452 priority patent/US4240139A/en
Publication of JPS5447455A publication Critical patent/JPS5447455A/en
Pending legal-status Critical Current

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  • Executing Machine-Instructions (AREA)

Abstract

PURPOSE: To secure execution of both the index modification and the program counter modification via the decision bit, and thus to realize a simple relocation.
CONSTITUTION: The data processor includes order decision control part 108 to decide the order code for memory 101, general-purpose register GR110 (GR9W15 used as index registers), accumulator ALU111, program counter PC114 to designate the address for the order to be executed next, and memory address register MAR103. An addition 111 is given between the contents of the displacement, the contents of GR9W15 designated by the index modifying bit and the contents of PC1 14 respectively via the designation of the decision bit. Thus, the physical address is produced to be figure- registered to MAR103 via bus 105
COPYRIGHT: (C)1979,JPO&Japio
JP11323477A 1977-09-22 1977-09-22 Data processor Pending JPS5447455A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11323477A JPS5447455A (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
JP11323477A JPS5447455A (en) 1977-09-22 1977-09-22 Data processor

Publications (1)

Publication Number Publication Date
JPS5447455A true JPS5447455A (en) 1979-04-14

Family

ID=14606957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11323477A Pending JPS5447455A (en) 1977-09-22 1977-09-22 Data processor

Country Status (1)

Country Link
JP (1) JPS5447455A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017538A (en) * 1983-07-11 1985-01-29 Hitachi Ltd Instruction processing device
US6996700B2 (en) 1991-06-24 2006-02-07 Renesas Technology Corp. Microcomputer and dividing circuit

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017538A (en) * 1983-07-11 1985-01-29 Hitachi Ltd Instruction processing device
US6996700B2 (en) 1991-06-24 2006-02-07 Renesas Technology Corp. Microcomputer and dividing circuit

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