JPS553046A - Microprogram control system - Google Patents

Microprogram control system

Info

Publication number
JPS553046A
JPS553046A JP7520678A JP7520678A JPS553046A JP S553046 A JPS553046 A JP S553046A JP 7520678 A JP7520678 A JP 7520678A JP 7520678 A JP7520678 A JP 7520678A JP S553046 A JPS553046 A JP S553046A
Authority
JP
Japan
Prior art keywords
line
control
microprogram
decoder
delivers
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.)
Granted
Application number
JP7520678A
Other languages
Japanese (ja)
Other versions
JPS6112579B2 (en
Inventor
Shunji Kitamura
Fumitaka Sato
Akira Sakauchi
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 JP7520678A priority Critical patent/JPS553046A/en
Publication of JPS553046A publication Critical patent/JPS553046A/en
Publication of JPS6112579B2 publication Critical patent/JPS6112579B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To realize an economical constitution for the microprogram control with the flexibility maintained as in the case of formation of the microprogram.
CONSTITUTION: When order code (OP-C)10 among microorder words 1 is sent to decoder 60 via line 20, decoder 60 has an access. Thus decoder 60 delivers part of the control memory address to line 26 as well as delivers the control signals of arithmetic part 100 to line 22. Line 23 is part of the control signals delivered to line 22; line 24 is part of output line 20 of order code 10; and line 25 is the constant value signal determined by the hard wire code, i.e., the signal featuring the value of "0" or "1". Control memory address formation part (AGU) 70 produces the head address of the microprogram to the order via each signal supplied through lines 21, 23, 24 and 25 each and then delivers the head address to line 40 to give an access control to control memory 2.
COPYRIGHT: (C)1980,JPO&Japio
JP7520678A 1978-06-21 1978-06-21 Microprogram control system Granted JPS553046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7520678A JPS553046A (en) 1978-06-21 1978-06-21 Microprogram control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7520678A JPS553046A (en) 1978-06-21 1978-06-21 Microprogram control system

Publications (2)

Publication Number Publication Date
JPS553046A true JPS553046A (en) 1980-01-10
JPS6112579B2 JPS6112579B2 (en) 1986-04-09

Family

ID=13569480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7520678A Granted JPS553046A (en) 1978-06-21 1978-06-21 Microprogram control system

Country Status (1)

Country Link
JP (1) JPS553046A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5553743A (en) * 1978-10-13 1980-04-19 Nec Corp Address control system
JPS56127251A (en) * 1980-02-07 1981-10-05 Intel Corp Microprocessor instructing device
JPH01170515A (en) * 1987-12-25 1989-07-05 Mitsubishi Metal Corp Extruder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5553743A (en) * 1978-10-13 1980-04-19 Nec Corp Address control system
JPS6148735B2 (en) * 1978-10-13 1986-10-25 Nippon Electric Co
JPS56127251A (en) * 1980-02-07 1981-10-05 Intel Corp Microprocessor instructing device
JPH026090B2 (en) * 1980-02-07 1990-02-07 Intel Corp
JPH01170515A (en) * 1987-12-25 1989-07-05 Mitsubishi Metal Corp Extruder

Also Published As

Publication number Publication date
JPS6112579B2 (en) 1986-04-09

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