JPS5779555A - Advanced control system for instruction - Google Patents

Advanced control system for instruction

Info

Publication number
JPS5779555A
JPS5779555A JP15536480A JP15536480A JPS5779555A JP S5779555 A JPS5779555 A JP S5779555A JP 15536480 A JP15536480 A JP 15536480A JP 15536480 A JP15536480 A JP 15536480A JP S5779555 A JPS5779555 A JP S5779555A
Authority
JP
Japan
Prior art keywords
instruction
circuit
microprogram
address
microinstruction
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
JP15536480A
Inventor
Ryushi Hiroya
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15536480A priority Critical patent/JPS5779555A/en
Publication of JPS5779555A publication Critical patent/JPS5779555A/en
Application status is Pending legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22Microcontrol or microprogram arrangements
    • G06F9/26Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262Arrangements for next microinstruction selection

Abstract

PURPOSE:To shorten instruction execution time by inputting only the discrimination part of a read instruction to a microprogram address generating circuit by providing an instruction read gate between the storage device of a central processor and the microprogram address generating circuit. CONSTITUTION:An instruction (i) read out of a storage device 1 in response to a request from a central processor is stored in an instruction register 4 by a data switching circuit 2, and its discrimination part (j) is inputted from a route 12 via a gate 11 to a microprogram address generating circuit 7. The circuit 7 outputs the starting address (k) of a microprogram, which corresponds to be instruction (i), in a control storage device 9 on the basis of the discrimination part (j) to transfer it to a control storage address control circuit 8. The circuit 8 reads the starting microinstruction l of the microprogram corresponding to the instruction (i) from the address (k) and stores it in a microinstruction register 10. On the basis of the microinstruction l, the registor 10 operates each circuit of the central processing system device.
JP15536480A 1980-11-05 1980-11-05 Advanced control system for instruction Pending JPS5779555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15536480A JPS5779555A (en) 1980-11-05 1980-11-05 Advanced control system for instruction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15536480A JPS5779555A (en) 1980-11-05 1980-11-05 Advanced control system for instruction

Publications (1)

Publication Number Publication Date
JPS5779555A true JPS5779555A (en) 1982-05-18

Family

ID=15604296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15536480A Pending JPS5779555A (en) 1980-11-05 1980-11-05 Advanced control system for instruction

Country Status (1)

Country Link
JP (1) JPS5779555A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9511248B2 (en) 2011-08-10 2016-12-06 Victaulic Company Sprinkler system and installation
US10143872B2 (en) 2011-05-27 2018-12-04 Victaulic Company Flexible dry sprinkler
US10449402B2 (en) 2012-12-20 2019-10-22 Victaulic Company Dry sprinkler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10143872B2 (en) 2011-05-27 2018-12-04 Victaulic Company Flexible dry sprinkler
US9511248B2 (en) 2011-08-10 2016-12-06 Victaulic Company Sprinkler system and installation
US10449402B2 (en) 2012-12-20 2019-10-22 Victaulic Company Dry sprinkler

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