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JPS5520556A - Control system for interruption of microprogram - Google Patents

Control system for interruption of microprogram

Info

Publication number
JPS5520556A
JPS5520556A JP9334678A JP9334678A JPS5520556A JP S5520556 A JPS5520556 A JP S5520556A JP 9334678 A JP9334678 A JP 9334678A JP 9334678 A JP9334678 A JP 9334678A JP S5520556 A JPS5520556 A JP S5520556A
Authority
JP
Japan
Prior art keywords
interruption
item
μpg
mask
register
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
JP9334678A
Other languages
Japanese (ja)
Inventor
Saburo Kaneda
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.)
Fujitsu Ltd
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 JP9334678A priority Critical patent/JPS5520556A/en
Publication of JPS5520556A publication Critical patent/JPS5520556A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To facilitate an easy selection of the specified routine by selecting the microaddress of the memory in accordance with the interruption.
CONSTITUTION: In case the data process is carried out by reading the order out of control memory 1 which stores microprogram μPG, register 2-1 to which the item to perform the interruption action is written plus program state word interruption mask 2-2 are installed within external register 2. At the same time, the interruption item given by only μPG is provided to register 2-1 in addition to the interruption item which is controlled by mask 2-2. Then the head microaddress is selected for the access to memory 1 based on the signal produced by the interruption item which is controlled by mask 2-2 and the signal produced by the interruption item caused by only μPG.
COPYRIGHT: (C)1980,JPO&Japio
JP9334678A 1978-07-31 1978-07-31 Control system for interruption of microprogram Pending JPS5520556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9334678A JPS5520556A (en) 1978-07-31 1978-07-31 Control system for interruption of microprogram

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9334678A JPS5520556A (en) 1978-07-31 1978-07-31 Control system for interruption of microprogram

Publications (1)

Publication Number Publication Date
JPS5520556A true JPS5520556A (en) 1980-02-14

Family

ID=14079700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9334678A Pending JPS5520556A (en) 1978-07-31 1978-07-31 Control system for interruption of microprogram

Country Status (1)

Country Link
JP (1) JPS5520556A (en)

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