JPS56132648A - Information processor - Google Patents

Information processor

Info

Publication number
JPS56132648A
JPS56132648A JP3549780A JP3549780A JPS56132648A JP S56132648 A JPS56132648 A JP S56132648A JP 3549780 A JP3549780 A JP 3549780A JP 3549780 A JP3549780 A JP 3549780A JP S56132648 A JPS56132648 A JP S56132648A
Authority
JP
Japan
Prior art keywords
read
program
rom13
memory
fixedly stored
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
JP3549780A
Other languages
Japanese (ja)
Inventor
Tsuneo Kinoshita
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 JP3549780A priority Critical patent/JPS56132648A/en
Publication of JPS56132648A publication Critical patent/JPS56132648A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To enable effective use of software, by outputting the information read out from the random access memory, when the information only read out from the read only memory is all 0. CONSTITUTION:When a start instruction is given, CPU10 sequentially reads in the program fixedly stored in the read only memory ROM13 of the storage device 12 and executes a given instruction. Further, the data area is accessed with the instruction and when read/write of data is made, the random access memory RAM14 is accessed for use. Thus, the program fixedly stored in ROM13 can be normally executed by using RAM14 as the read/write area through the execution of the program. Thus, the program fixedly stored in ROM13 can not be destroyed due to momentary interruption of power supply of program runaway.
JP3549780A 1980-03-19 1980-03-19 Information processor Pending JPS56132648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3549780A JPS56132648A (en) 1980-03-19 1980-03-19 Information processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3549780A JPS56132648A (en) 1980-03-19 1980-03-19 Information processor

Publications (1)

Publication Number Publication Date
JPS56132648A true JPS56132648A (en) 1981-10-17

Family

ID=12443379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3549780A Pending JPS56132648A (en) 1980-03-19 1980-03-19 Information processor

Country Status (1)

Country Link
JP (1) JPS56132648A (en)

Similar Documents

Publication Publication Date Title
EP0198231A3 (en) Data processor with parallel instruction control and execution
JPS56132648A (en) Information processor
JPS5481049A (en) Data processing system
JPS6426892A (en) Microcomputer
JPS5631140A (en) Information processor
JPS52142443A (en) Microprogram write-in method
JPS5699550A (en) Information processing unit
JPS5617440A (en) Memory sharing system
JPS55157064A (en) Word memory system
JPS54146547A (en) Microprogram loading device
JPS5717060A (en) Information processor
JPS55159257A (en) Debugging system
JPS55157056A (en) Disc cash control system
JPS57185551A (en) Data access system of memory bank in microcomputer system
JPS54153542A (en) Data processor of microprogram control type
JPS5714972A (en) Retrieving device of document and sketch file
JPS551630A (en) Processing system for defective loop of magnetic bubble memory
JPS57100547A (en) Log-out control system
JPS5665400A (en) Memory write tracing device
JPS5385283A (en) Sequency programmer
JPS5622152A (en) Memory access system
JPS5476044A (en) Recovery data correction process system
JPS56159747A (en) Program testing device
JPS56108156A (en) Action career system
JPS57199055A (en) Information processing device