JPS5510646A - Character display unit - Google Patents
Character display unitInfo
- Publication number
- JPS5510646A JPS5510646A JP8300178A JP8300178A JPS5510646A JP S5510646 A JPS5510646 A JP S5510646A JP 8300178 A JP8300178 A JP 8300178A JP 8300178 A JP8300178 A JP 8300178A JP S5510646 A JPS5510646 A JP S5510646A
- Authority
- JP
- Japan
- Prior art keywords
- character
- displayed
- codes
- sort table
- display
- 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.)
- Granted
Links
Landscapes
- Digital Computer Display Output (AREA)
Abstract
PURPOSE: To increase a display speed by checking a sort table where displayed characters are arranged according to codes and by extracting and displaying a corresponding pattern only when a character to be newly displayed is not displayed on a screen.
CONSTITUTION: Code buffer 4 contains character codes of character patterns displayed on CRT1 in the order of the array. Sort table 5 contains character codes and display positions in pairs according to character codes. To display a character, the character code and position information of it is supplied to control circuit 9 externally. On detecting this character code residing in the sort table, the control circuit extracts it from the sort table and writes it into picture memory 2, thereby displaying the character. Only when the same character is displayed on the screen, the character is extracted from character pattern memory 3 and then displayed, so that the display speed will increase.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8300178A JPS5857747B2 (en) | 1978-07-10 | 1978-07-10 | character display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8300178A JPS5857747B2 (en) | 1978-07-10 | 1978-07-10 | character display device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5510646A true JPS5510646A (en) | 1980-01-25 |
JPS5857747B2 JPS5857747B2 (en) | 1983-12-21 |
Family
ID=13789997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8300178A Expired JPS5857747B2 (en) | 1978-07-10 | 1978-07-10 | character display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5857747B2 (en) |
-
1978
- 1978-07-10 JP JP8300178A patent/JPS5857747B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5857747B2 (en) | 1983-12-21 |
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