JPS5471522A - Cursor control system - Google Patents
Cursor control systemInfo
- Publication number
- JPS5471522A JPS5471522A JP13789677A JP13789677A JPS5471522A JP S5471522 A JPS5471522 A JP S5471522A JP 13789677 A JP13789677 A JP 13789677A JP 13789677 A JP13789677 A JP 13789677A JP S5471522 A JPS5471522 A JP S5471522A
- Authority
- JP
- Japan
- Prior art keywords
- fed
- cursor
- output
- counters
- counter
- 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
Abstract
PURPOSE: To avoid the hindrance to the interpretation of characters, by contituting the system so that the character display region is moved by the cursor for a given period and by effectively utilizing the space between lines in the cursor display of the CRT display unit.
CONSTITUTION: In the CRT display unit in which displayed screen is scanned with the raster scan and the location of the characters displayed is designated with the cursor, the vertical synchronizing signal 15 is fed to the count UP terminal 19 of the counter 101, and the output of the carry output pin 18 is fed to the count UP terminal of the counter 102. The output of the counters 101 and 102 is inputted to the comparator 11, and the output of the counter 102 is fed to the reset terminal of the counters 101 and 102 via the AND circuit 12. Further, the raster address signal 13 is fed to the comparator 11, it is compared with the given frequency of the counters 101 and 102 in bit unit, the output in agreement is fed to the AND circuit 12, and when the agreement with the cursor indicating signal 14 is taken, the cursor signal 17 is outputted.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13789677A JPS5471522A (en) | 1977-11-18 | 1977-11-18 | Cursor control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13789677A JPS5471522A (en) | 1977-11-18 | 1977-11-18 | Cursor control system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5471522A true JPS5471522A (en) | 1979-06-08 |
JPS5733598B2 JPS5733598B2 (en) | 1982-07-17 |
Family
ID=15209200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13789677A Granted JPS5471522A (en) | 1977-11-18 | 1977-11-18 | Cursor control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5471522A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110834477A (en) * | 2019-12-03 | 2020-02-25 | 深圳市汉森软件有限公司 | Distributed scanning printing system, raster synchronization method, raster synchronization device and storage medium |
-
1977
- 1977-11-18 JP JP13789677A patent/JPS5471522A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110834477A (en) * | 2019-12-03 | 2020-02-25 | 深圳市汉森软件有限公司 | Distributed scanning printing system, raster synchronization method, raster synchronization device and storage medium |
Also Published As
Publication number | Publication date |
---|---|
JPS5733598B2 (en) | 1982-07-17 |
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