JPS5477026A - Display controlling method of display unit - Google Patents
Display controlling method of display unitInfo
- 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
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
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)
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 |
-
1977
- 1977-12-02 JP JP14387577A patent/JPS5477026A/en active Pending
Cited By (3)
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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