KR910020545A - How to control common display of graphic mode and text mode - Google Patents

How to control common display of graphic mode and text mode Download PDF

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Publication number
KR910020545A
KR910020545A KR1019900008003A KR900008003A KR910020545A KR 910020545 A KR910020545 A KR 910020545A KR 1019900008003 A KR1019900008003 A KR 1019900008003A KR 900008003 A KR900008003 A KR 900008003A KR 910020545 A KR910020545 A KR 910020545A
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KR
South Korea
Prior art keywords
mode
ram
character
address
data
Prior art date
Application number
KR1019900008003A
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Korean (ko)
Inventor
이원조
윤종현
Original Assignee
한태희
주식회사 금성사
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Application filed by 한태희, 주식회사 금성사 filed Critical 한태희
Priority to KR1019900008003A priority Critical patent/KR910020545A/en
Publication of KR910020545A publication Critical patent/KR910020545A/en

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  • Controls And Circuits For Display Device (AREA)

Abstract

내용 없음No content

Description

그래픽모드와 텍스트모드의 공용 디스플레이 제어방법Common display control method for graphic mode and text mode

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명 그래픽모드와 텍스트모드의 공용 디스플레이 제어시스템 구성도, 제3도는 제2도에 대한 신호 흐름도.2 is a block diagram of the display control system of the present invention graphic mode and text mode, and FIG. 3 is a signal flow diagram for FIG.

Claims (1)

그래픽모드 및 텍스트모드의 제어시스템에 있어서, 마이컴(1)은 초기시 키보드(8)로부터 입력된 데이타를 판별하여 현재의 모드가 그래픽모드이면 폰트램(5)에 저장할 어드레스를 계산한 후 문자디스플레이 제어부(2)를 제어하고, 문자디스플레이제어부(2)는 수직레프레쉬때 폰트램(5)의 상위 어드레스의 내용이 가르키는 매행(ROW)의 스타트 어드레스를 가지고 화면을 주사하게 됨과 아울러 속성램(3)과, 문자램(4)의 어드레스를 지정하여 데이타를 추출하고, 상기 속성램(3) 및 문자램(4)의 데이타에 의해 선택된 폰트램(5)의 데이타를 속성데이타와 합성하여 모니터에 디스플레이하고, 이후 키보드(8)로부터 입력된 데이타가 텍스트모드이면 마이컴(1)은 문자램(4)에 기록할 번지를 계산한 후 문자디스펠레이제어부(2)를 제어하여 문자램(4)의 어드레스를 지정하여 문자 데이타를 저장함과 아울러 모니터(9)에 순차적으로 주사하는 것을 특징으로 한 그래픽모드와 텍스트모드의 공용 디스플레이 제어방법.In the control mode of the graphic mode and the text mode, the microcomputer 1 discriminates the data input from the keyboard 8 at the initial stage, calculates the address to be stored in the font RAM 5 when the current mode is the graphic mode, and then displays the character display. The controller 2 controls the control unit 2, and the character display control unit 2 scans the screen with the start address of the line ROW indicated by the contents of the upper address of the font RAM 5 at the time of vertical refresh. 3) and extract the data by specifying the address of the character RAM 4, and monitor the data of the font RAM 5 selected by the attribute RAM 3 and the character RAM 4 by combining the attribute data with the attribute data. If the data input from the keyboard 8 is in the text mode, the microcomputer 1 calculates the address to be recorded in the character RAM 4 and then controls the character dispel control unit 2 to control the character RAM 4. Address Public display control method of the graphics mode and the text mode, characterized in that the sequential scanning on a text data as well as the monitor 9, and stores the. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900008003A 1990-05-31 1990-05-31 How to control common display of graphic mode and text mode KR910020545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900008003A KR910020545A (en) 1990-05-31 1990-05-31 How to control common display of graphic mode and text mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900008003A KR910020545A (en) 1990-05-31 1990-05-31 How to control common display of graphic mode and text mode

Publications (1)

Publication Number Publication Date
KR910020545A true KR910020545A (en) 1991-12-20

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KR1019900008003A KR910020545A (en) 1990-05-31 1990-05-31 How to control common display of graphic mode and text mode

Country Status (1)

Country Link
KR (1) KR910020545A (en)

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