JPS56121149A - Microprogram control equipment - Google Patents

Microprogram control equipment

Info

Publication number
JPS56121149A
JPS56121149A JP2441980A JP2441980A JPS56121149A JP S56121149 A JPS56121149 A JP S56121149A JP 2441980 A JP2441980 A JP 2441980A JP 2441980 A JP2441980 A JP 2441980A JP S56121149 A JPS56121149 A JP S56121149A
Authority
JP
Japan
Prior art keywords
address
register
generating part
selector
high speed
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
JP2441980A
Other languages
Japanese (ja)
Inventor
Kazuyuki Sato
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 JP2441980A priority Critical patent/JPS56121149A/en
Publication of JPS56121149A publication Critical patent/JPS56121149A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection
    • G06F9/264—Microinstruction selection based on results of processing
    • G06F9/265—Microinstruction selection based on results of processing by address selection on input of storage

Abstract

PURPOSE:To execute the processing at a high speed by providing an address generating memory device storing a data which has added ''1'' to the address, independently from the control memory device. CONSTITUTION:When the microaddress showing the address A is outputted by the selector 12, this address is in put in common to the control memory device 11 and the address generating part 21. As a result, the corresponding microinstruction is read out from the address A of the device 11, and also a data showing the address A+1 is read out from the address A of the address generating part 21. The read-out outputs of the device 11 and the generating part 21 are retained in the microinstruction register 14 and the address register 16, respectively, by the timing of a machine clock signal MCLK. In a normal state, the register 16 is selected by the selector 12, and on the other hand, in case when the register 14 is a branch instruction, the branch address is selected by the selector 12, and both of them are output to the address line 13. In this way, the processing can be executed at a high speed by using a device 11 and a generating part 21, consisting of high speed memory elements.
JP2441980A 1980-02-28 1980-02-28 Microprogram control equipment Pending JPS56121149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2441980A JPS56121149A (en) 1980-02-28 1980-02-28 Microprogram control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2441980A JPS56121149A (en) 1980-02-28 1980-02-28 Microprogram control equipment

Publications (1)

Publication Number Publication Date
JPS56121149A true JPS56121149A (en) 1981-09-22

Family

ID=12137627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2441980A Pending JPS56121149A (en) 1980-02-28 1980-02-28 Microprogram control equipment

Country Status (1)

Country Link
JP (1) JPS56121149A (en)

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