JPS5672757A - Micro computer system - Google Patents

Micro computer system

Info

Publication number
JPS5672757A
JPS5672757A JP14972979A JP14972979A JPS5672757A JP S5672757 A JPS5672757 A JP S5672757A JP 14972979 A JP14972979 A JP 14972979A JP 14972979 A JP14972979 A JP 14972979A JP S5672757 A JPS5672757 A JP S5672757A
Authority
JP
Japan
Prior art keywords
switch
keyboard
micro computer
mode
computer system
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
JP14972979A
Other languages
Japanese (ja)
Other versions
JPS6029423B2 (en
Inventor
Osamu Koichi
Seiichi Iwasaki
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 JP54149729A priority Critical patent/JPS6029423B2/en
Publication of JPS5672757A publication Critical patent/JPS5672757A/en
Publication of JPS6029423B2 publication Critical patent/JPS6029423B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To further improve the significance of a micro computer system by performing program debugging, etc., by using a keyboard for monitoring and by utilizing the system for device control with a mode switch changed over.
CONSTITUTION: To common bus 16, microprocessor unit MPU, memories RAM, PROM and EPROM, interfaces PIA and ACIA, and mode switch 22 are connected and to interface PIA, keyboard 12 and device 20 to be controlled are connected. With switch 22 turned off, display unit DISP of keyboard 12 is selected for monitoring and with the switch turned on, device 20 can be controlled. Once an interruption is made, the monitor program incorporated in PROM reads the on-off state of switch 22 to select the monitor mode or control mode of device 20, thereby improving the significance of the micro computer.
COPYRIGHT: (C)1981,JPO&Japio
JP54149729A 1979-11-19 1979-11-19 microcomputer system Expired JPS6029423B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54149729A JPS6029423B2 (en) 1979-11-19 1979-11-19 microcomputer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54149729A JPS6029423B2 (en) 1979-11-19 1979-11-19 microcomputer system

Publications (2)

Publication Number Publication Date
JPS5672757A true JPS5672757A (en) 1981-06-17
JPS6029423B2 JPS6029423B2 (en) 1985-07-10

Family

ID=15481529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54149729A Expired JPS6029423B2 (en) 1979-11-19 1979-11-19 microcomputer system

Country Status (1)

Country Link
JP (1) JPS6029423B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941077A (en) * 1982-08-31 1984-03-07 Sharp Corp Electronic calculator
JPS60135943U (en) * 1984-02-20 1985-09-10 富士通株式会社 memory reading device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941077A (en) * 1982-08-31 1984-03-07 Sharp Corp Electronic calculator
JPS60135943U (en) * 1984-02-20 1985-09-10 富士通株式会社 memory reading device

Also Published As

Publication number Publication date
JPS6029423B2 (en) 1985-07-10

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