JPS5487126A - Character display unit enabling picture display - Google Patents

Character display unit enabling picture display

Info

Publication number
JPS5487126A
JPS5487126A JP15535877A JP15535877A JPS5487126A JP S5487126 A JPS5487126 A JP S5487126A JP 15535877 A JP15535877 A JP 15535877A JP 15535877 A JP15535877 A JP 15535877A JP S5487126 A JPS5487126 A JP S5487126A
Authority
JP
Japan
Prior art keywords
memory
agreement
address register
register
character
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
Application number
JP15535877A
Other languages
Japanese (ja)
Other versions
JPS6134155B2 (en
Inventor
Akira Sato
Nobuyuki Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP52155358A priority Critical patent/JPS6134155B2/ja
Publication of JPS5487126A publication Critical patent/JPS5487126A/en
Publication of JPS6134155B2 publication Critical patent/JPS6134155B2/ja
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To remarkably reduce the memory capacity, by feeding the address indicating the picture information memory area of memory to the image address register, comparing the content with the memory address register, and selecting the picture display and character pattern display if in agreement.
CONSTITUTION: The memory 2 memorizes the character code, and the output is displayed on CRT 11 via the character generator 8, while the agreement between the content of the address register 3 of the memory 2 and that of the image address register 3 is detected 5, and the input to CRT 11 is selected to the memory 2 or generator unit with the selector 9. Video information is fed to the memory 2 and it is memorized. Further, the address representing the video information memory area of the memory 2 is fed to the register 3 and the selector 9 is operated when the content of the memory address register 4 and that of the register 3 are in agreement and agreement circuit causes an output, allowing to the selection of the picture display of CRT 11 and the character pattern display. Thus, the memory capacity can remarkably be reduced.
COPYRIGHT: (C)1979,JPO&Japio
JP52155358A 1977-12-23 1977-12-23 Expired JPS6134155B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52155358A JPS6134155B2 (en) 1977-12-23 1977-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52155358A JPS6134155B2 (en) 1977-12-23 1977-12-23

Publications (2)

Publication Number Publication Date
JPS5487126A true JPS5487126A (en) 1979-07-11
JPS6134155B2 JPS6134155B2 (en) 1986-08-06

Family

ID=15604149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52155358A Expired JPS6134155B2 (en) 1977-12-23 1977-12-23

Country Status (1)

Country Link
JP (1) JPS6134155B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139429A (en) * 1978-04-21 1979-10-29 Hitachi Ltd Crt display unit
JPS56110144A (en) * 1980-02-06 1981-09-01 Hitachi Ltd Graphic indicator having error display function
JPS56142584A (en) * 1980-04-07 1981-11-06 Nippon Electric Co Data output system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139429A (en) * 1978-04-21 1979-10-29 Hitachi Ltd Crt display unit
JPH0227676B2 (en) * 1978-04-21 1990-06-19 Hitachi Ltd
JPS56110144A (en) * 1980-02-06 1981-09-01 Hitachi Ltd Graphic indicator having error display function
JPS56142584A (en) * 1980-04-07 1981-11-06 Nippon Electric Co Data output system
JPS6140110B2 (en) * 1980-04-07 1986-09-08 Nippon Electric Co

Also Published As

Publication number Publication date
JPS6134155B2 (en) 1986-08-06

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