JPS55102044A - Character graph display unit - Google Patents
Character graph display unitInfo
- Publication number
- JPS55102044A JPS55102044A JP852779A JP852779A JPS55102044A JP S55102044 A JPS55102044 A JP S55102044A JP 852779 A JP852779 A JP 852779A JP 852779 A JP852779 A JP 852779A JP S55102044 A JPS55102044 A JP S55102044A
- Authority
- JP
- Japan
- Prior art keywords
- counter
- output
- outputted
- signal
- scanning
- 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 enable to display the connection of displayed points on screen by taking coincidence of the displayed points to dots or scanning with the comparator and comparing the dot before one with the scanning. CONSTITUTION:The output of the dot counter 1 counting the number of dots on one scanning line is stored in the memory 2 and the number of entire scanning lines on one screen is counted with the scanning line counter 3. The number a sequentially read out from the memory 2 with the output of the counter 1 and the output b of the counter 3 are compared at the comparator 4, and d when a=b, e when a>b, and f when a<b is outputted to the logic circuit 9. Further, the value c of the register 8 storing the output of the memory 2 before one and the output of the counter 3 are compared at the comparator 7, and signal g when c>b and signal h when c<b is outputted to the circuit 9. In the circuit 9, when a<b<c or a>b>c, the signal having a half the dot width of one information display is outputted to the video mixing circuit 5 at the position between them, and when a=b, the signal with one information display width is outputted, to enable continuous line of displayed points.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP852779A JPS55102044A (en) | 1979-01-26 | 1979-01-26 | Character graph display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP852779A JPS55102044A (en) | 1979-01-26 | 1979-01-26 | Character graph display unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55102044A true JPS55102044A (en) | 1980-08-04 |
Family
ID=11695611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP852779A Pending JPS55102044A (en) | 1979-01-26 | 1979-01-26 | Character graph display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55102044A (en) |
-
1979
- 1979-01-26 JP JP852779A patent/JPS55102044A/en active Pending
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