JPS554609A - Display unit - Google Patents
Display unitInfo
- Publication number
- JPS554609A JPS554609A JP7641778A JP7641778A JPS554609A JP S554609 A JPS554609 A JP S554609A JP 7641778 A JP7641778 A JP 7641778A JP 7641778 A JP7641778 A JP 7641778A JP S554609 A JPS554609 A JP S554609A
- Authority
- JP
- Japan
- Prior art keywords
- memory
- pattern data
- pattern
- displayed
- rewriting
- 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)
Abstract
PURPOSE: To increase a rewriting rate with low-priced constitution by rewriting pattern data to be displayed from the 1st pattern memory to the 2nd pattern memory when the pattern data do not reside in the 2nd pattern memory.
CONSTITUTION: Many pattern data are stored in pattern memory 21 and pattern data to be displayed are in pattern memory 22 capable of rewriting faster than memory 21. Then, addresses of stored pattern data to be displayed are stored in address buffer 23 according to display positions; addresses are extracted by display control circuit 24 in the order of diaplay positions and corresponding pattern data, read out from memory 22, are displayed in sequence by display part 25. Next, a check on where or not the pattern data to be displayed reside in memory 22 is made and if not, the pattern data are rewritten from memory 21 to memory 22. Consequently, the rewriting rate can be increased by low-priced constitution.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7641778A JPS554609A (en) | 1978-06-26 | 1978-06-26 | Display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7641778A JPS554609A (en) | 1978-06-26 | 1978-06-26 | Display unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS554609A true JPS554609A (en) | 1980-01-14 |
Family
ID=13604623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7641778A Pending JPS554609A (en) | 1978-06-26 | 1978-06-26 | Display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS554609A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60156137A (en) * | 1983-09-30 | 1985-08-16 | Fujitsu Ltd | Request pattern data transferring device |
-
1978
- 1978-06-26 JP JP7641778A patent/JPS554609A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60156137A (en) * | 1983-09-30 | 1985-08-16 | Fujitsu Ltd | Request pattern data transferring device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5454531A (en) | Crt display unti | |
JPS576936A (en) | Display system | |
JPS5390818A (en) | Character display unit | |
JPS5250641A (en) | Character pattern generating device | |
JPS554609A (en) | Display unit | |
JPS5530781A (en) | Display unit | |
JPS5556240A (en) | Crt display unit | |
JPS5324238A (en) | Data processing system for display system | |
JPS5427729A (en) | Crt display unit | |
JPS55103636A (en) | Display unit | |
JPS57201391A (en) | Character information receiver | |
JPS5317046A (en) | Program writing system | |
JPS5582350A (en) | Character display system | |
JPS55115140A (en) | Display unit | |
JPS5290231A (en) | Address control of display memory | |
JPS5518715A (en) | Modification unit for memory content of storage unit | |
JPS576935A (en) | Processing system of display information | |
JPS5549739A (en) | Picture signal processing unit | |
JPS5533286A (en) | Data processor | |
JPS5382134A (en) | Data display unit | |
JPS5537677A (en) | Cursor display control system | |
JPS54103637A (en) | Crt display driving system | |
JPS54823A (en) | Display control system for ruled line pattern | |
JPS57168304A (en) | Arithmetic device | |
JPS5476044A (en) | Recovery data correction process system |