JPS5477026A - Display controlling method of display unit - Google Patents

Display controlling method of display unit

Info

Publication number
JPS5477026A
JPS5477026A JP14387577A JP14387577A JPS5477026A JP S5477026 A JPS5477026 A JP S5477026A JP 14387577 A JP14387577 A JP 14387577A JP 14387577 A JP14387577 A JP 14387577A JP S5477026 A JPS5477026 A JP S5477026A
Authority
JP
Japan
Prior art keywords
screen
display
memory
computer
area
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
JP14387577A
Other languages
Japanese (ja)
Inventor
Masahide Nomura
Yoshio Sato
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14387577A priority Critical patent/JPS5477026A/en
Publication of JPS5477026A publication Critical patent/JPS5477026A/en
Pending legal-status Critical Current

Links

Landscapes

  • Digital Computer Display Output (AREA)

Abstract

PURPOSE: To obtain a CRT display unit with memory capacity reduced and a load upon a computer lightened by dividing a patten picture-element memory corresponding to the division of a display screen and by rewriting each area of the picture- element memory at the time of the display change of the divided screens.
CONSTITUTION: Corresponding to divided screens A, B and C of the CRT surface, refresh memory 3 and pattern picture-element memory 81 are both divided into I, II and III, and 1, 2 and 3. To change the display of divided screen A, space data are written from the computer to area I equivalent to screen A of refresh memory 3. Next, area 1 of pattern picture-element memory 81 is rewritten into the dot pattern of a screen to be displayed newly by the computer. Then, screen data equivalent to the new screen are written to area I of refresh memory 31 from the computer.
COPYRIGHT: (C)1979,JPO&Japio
JP14387577A 1977-12-02 1977-12-02 Display controlling method of display unit Pending JPS5477026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14387577A JPS5477026A (en) 1977-12-02 1977-12-02 Display controlling method of display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14387577A JPS5477026A (en) 1977-12-02 1977-12-02 Display controlling method of display unit

Publications (1)

Publication Number Publication Date
JPS5477026A true JPS5477026A (en) 1979-06-20

Family

ID=15349028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14387577A Pending JPS5477026A (en) 1977-12-02 1977-12-02 Display controlling method of display unit

Country Status (1)

Country Link
JP (1) JPS5477026A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114232A (en) * 1981-12-28 1983-07-07 Fujitsu Ltd Line editing system between virtual pictures
JP2015225583A (en) * 2014-05-29 2015-12-14 沖電気工業株式会社 Display control device, display device, display control system, display control method, and program

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114232A (en) * 1981-12-28 1983-07-07 Fujitsu Ltd Line editing system between virtual pictures
JPS639255B2 (en) * 1981-12-28 1988-02-26 Fujitsu Ltd
JP2015225583A (en) * 2014-05-29 2015-12-14 沖電気工業株式会社 Display control device, display device, display control system, display control method, and program

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