JPS5480624A - Display unit - Google Patents
Display unitInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51104225A (en) * | 1975-03-12 | 1976-09-14 | Hitachi Ltd |
-
1977
- 1977-12-10 JP JP14835477A patent/JPS5480624A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51104225A (en) * | 1975-03-12 | 1976-09-14 | Hitachi Ltd |
Cited By (2)
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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