JPH01209533A - Microprogram controller - Google Patents

Microprogram controller

Info

Publication number
JPH01209533A
JPH01209533A JP3277388A JP3277388A JPH01209533A JP H01209533 A JPH01209533 A JP H01209533A JP 3277388 A JP3277388 A JP 3277388A JP 3277388 A JP3277388 A JP 3277388A JP H01209533 A JPH01209533 A JP H01209533A
Authority
JP
Japan
Prior art keywords
memory
field
control
control field
address
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
JP3277388A
Other languages
Japanese (ja)
Inventor
Takashi Nishizawa
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP3277388A priority Critical patent/JPH01209533A/en
Publication of JPH01209533A publication Critical patent/JPH01209533A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the availability of the storage capacity by storing the data on an arithmetic control field also into a sequence control field with an address which receives an access only when the function of a decoder is secured.
CONSTITUTION: A host control memory 1 stores a higher rank program and works and a selector control flip-flop 10 holds a specific bit of the memory 1. Then the flip-flop 10 controls a selector 7 with the output and selects the field of a control memory 4. Then, to an address which receives an access only when the function of a decoder of the memory 1 is secured in the memory 4, the next address field of the memory 4 and the part of a sequence control field are used as the control field of an arithmetic circuit 9 for storage of data. The field of said control field is selected by the specific bit of the memory 1 and sent to the circuit 9. In such a way, the capacity of the memory 4 can be applied effectively.
COPYRIGHT: (C)1989,JPO&Japio
JP3277388A 1988-02-17 1988-02-17 Microprogram controller Pending JPH01209533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3277388A JPH01209533A (en) 1988-02-17 1988-02-17 Microprogram controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3277388A JPH01209533A (en) 1988-02-17 1988-02-17 Microprogram controller

Publications (1)

Publication Number Publication Date
JPH01209533A true JPH01209533A (en) 1989-08-23

Family

ID=12368158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3277388A Pending JPH01209533A (en) 1988-02-17 1988-02-17 Microprogram controller

Country Status (1)

Country Link
JP (1) JPH01209533A (en)

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