JPS5725035A - Character display controller - Google Patents
Character display controllerInfo
- Publication number
- JPS5725035A JPS5725035A JP9874980A JP9874980A JPS5725035A JP S5725035 A JPS5725035 A JP S5725035A JP 9874980 A JP9874980 A JP 9874980A JP 9874980 A JP9874980 A JP 9874980A JP S5725035 A JPS5725035 A JP S5725035A
- Authority
- JP
- Japan
- Prior art keywords
- register
- signal
- time division
- data
- circuit
- 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)
- Image Generation (AREA)
Abstract
PURPOSE:To simultaneously control plural display devices by a simple circuit configuration, by using in common one character generator by time division with a timing signal, providing a data register on the prestage of a dot register, and correcting a phase shift which is caused by time division. CONSTITUTION:By use of a signal which has been generated by a timing circuit 8, data of display memories A12, B13, C27 and D28 are read out by time division, and are set to a character address register 15. A data pattern of an address which has been designated by the register 15 of a character generator 17 is read out, is shifted by a phase difference portion according to a time division control, is set to character data registers A29, B30, C31 and D32, and after that, these contents are set simultaneously to dot registers A21, B22, C33 and D34. By the timing from the circuit 8, a control signal which has been generated by a display controlling signal circuit 10 is synthesized with a signal from the dot register by video signal circuits A23, B24, C35 and D36, and is sent to display devices A, B, C and D.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9874980A JPS5725035A (en) | 1980-07-21 | 1980-07-21 | Character display controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9874980A JPS5725035A (en) | 1980-07-21 | 1980-07-21 | Character display controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5725035A true JPS5725035A (en) | 1982-02-09 |
Family
ID=14228105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9874980A Pending JPS5725035A (en) | 1980-07-21 | 1980-07-21 | Character display controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5725035A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60252413A (en) * | 1984-05-28 | 1985-12-13 | Touri:Kk | Preventive and remedy for disease of aquatic animal |
-
1980
- 1980-07-21 JP JP9874980A patent/JPS5725035A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60252413A (en) * | 1984-05-28 | 1985-12-13 | Touri:Kk | Preventive and remedy for disease of aquatic animal |
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