JPS5480624A - Display unit - Google Patents

Display unit

Info

Publication number
JPS5480624A
JPS5480624A JP14835477A JP14835477A JPS5480624A JP S5480624 A JPS5480624 A JP S5480624A JP 14835477 A JP14835477 A JP 14835477A JP 14835477 A JP14835477 A JP 14835477A JP S5480624 A JPS5480624 A JP S5480624A
Authority
JP
Japan
Prior art keywords
display
register
memory
counter
control section
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
JP14835477A
Other languages
Japanese (ja)
Inventor
Satoshi Komori
Kunio Matsuda
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 JP14835477A priority Critical patent/JPS5480624A/en
Publication of JPS5480624A publication Critical patent/JPS5480624A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To selectively display an arbitrary screen from the large screen information, by constituting the unit with the microprocessor controlling the entire system, video memory having the memory capacity for a plurality of screens, display control section sequentially reading out those, and CRT displaying video information obtained.
CONSTITUTION: The display unit is constituted with the microprocessor controlling the entire unit, video memory 12 having memroy capacity for four screen's share, display control section 13 reading out the video information sequentially, and CRT display section 14 displaying this. With this constitution, the start address register 101 designating the start of the video information to display with the control section 13, address counter 102 designating the readout of memory 12, and register 103 memorizing the display character number for one line's share of the display section 14 are provided. Further, the adder 104 adding the register 103 to the content of the counter 102 every addressing and renewing the record to the counter 102, shift register 105 storing the display information every one line, and controller 106 for timing control, are provided.
COPYRIGHT: (C)1979,JPO&Japio
JP14835477A 1977-12-10 1977-12-10 Display unit Pending JPS5480624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14835477A JPS5480624A (en) 1977-12-10 1977-12-10 Display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14835477A JPS5480624A (en) 1977-12-10 1977-12-10 Display unit

Publications (1)

Publication Number Publication Date
JPS5480624A true JPS5480624A (en) 1979-06-27

Family

ID=15450874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14835477A Pending JPS5480624A (en) 1977-12-10 1977-12-10 Display unit

Country Status (1)

Country Link
JP (1) JPS5480624A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57100471A (en) * 1980-12-16 1982-06-22 Casio Computer Co Ltd Scroll system for crt
JPS63125983A (en) * 1986-11-15 1988-05-30 松下電工株式会社 Display device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51104225A (en) * 1975-03-12 1976-09-14 Hitachi Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51104225A (en) * 1975-03-12 1976-09-14 Hitachi Ltd

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57100471A (en) * 1980-12-16 1982-06-22 Casio Computer Co Ltd Scroll system for crt
JPS63125983A (en) * 1986-11-15 1988-05-30 松下電工株式会社 Display device

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