KR890010667A - User-Defined Character Input / Output Device And Method Of Computer - Google Patents

User-Defined Character Input / Output Device And Method Of Computer Download PDF

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Publication number
KR890010667A
KR890010667A KR1019870015221A KR870015221A KR890010667A KR 890010667 A KR890010667 A KR 890010667A KR 1019870015221 A KR1019870015221 A KR 1019870015221A KR 870015221 A KR870015221 A KR 870015221A KR 890010667 A KR890010667 A KR 890010667A
Authority
KR
South Korea
Prior art keywords
user
output
input
video signal
computer
Prior art date
Application number
KR1019870015221A
Other languages
Korean (ko)
Other versions
KR910000301B1 (en
Inventor
권춘우
Original Assignee
최근선
주식회사 금성사
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 최근선, 주식회사 금성사 filed Critical 최근선
Priority to KR1019870015221A priority Critical patent/KR910000301B1/en
Publication of KR890010667A publication Critical patent/KR890010667A/en
Application granted granted Critical
Publication of KR910000301B1 publication Critical patent/KR910000301B1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/018—Input/output arrangements for oriental characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

내용 없음No content

Description

컴퓨터의 사용자 정의문자 입출력장치 및 방법User-Defined Character Input / Output Device And Method Of Computer

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

제1도는 본 발명에 따른 회로도1 is a circuit diagram according to the present invention

제2도는 본 발명의 방법을 나타내는 회로도.2 is a circuit diagram illustrating the method of the present invention.

Claims (2)

컴퓨터의 사용자 정의문자 입출력 장치에 있어서, 중앙처리장치로 부터 어드레스를 수신하고 문자코드 정보를 전달하기 위한 멀티플렉서(1)와, 멀티플렉서로 부터 문자 정보를 수신하여 기억하고 이 정보를 디스플레이부에 전송하며, 또한 사용자 정의 문자를 기억하는 정적 RAM(2)과, 사용자 정의 문자로부터 수신된 정보를 시리얼하게 변환 출력하는 쉬프트 레지스터(3)와, 사용자 정의 문자 RAM에 입출력되는 데이타를 제어하기 위한 버퍼(4,5)로 구성된 것을 특징으로 하는 컴퓨터의 사용자 정의 문자 입출력 장치.In a user-defined character input / output device of a computer, a multiplexer (1) for receiving an address from a central processing unit and transmitting character code information, receiving and storing character information from the multiplexer, and transmitting this information to a display unit. And a static RAM (2) for storing user-defined characters, a shift register (3) for serially converting and outputting information received from user-defined characters, and a buffer (4) for controlling data input / output to / from user-defined character RAM. 5) User-defined character input and output device of a computer, characterized in that consisting of. 컴퓨터의 RAM에 사용자 정의문자를 입출력하는 방법에 있어서, 비데오 신호를 체크하고, 비데오 신호가 있으면 인터럽트를 디스에이블 시킨다음 다시 비데오 신호를 체크하며, 비데오 신호가 있으면 비데오 신호를 디스에이블 시킨 후 뱅크선택 레지스터를 이용하여 뱅크 1을 선택하고, 뱅크 1이 선택된 다음 사용자 정의 문자를 입출력하며, 사용자 정의 문자의 입출력이 완료된 뒤에는 다시 뱅크 0를 선택하도록 하고 비데오 신호 및 인터럽트를 인에이블 시켜 둠으로써 사용자 정의 문자의 입출력을 종료하는 것을 특징으로 하는 사용자 정의 문자 입출력 방법.In the method of inputting and outputting user-defined characters into the RAM of the computer, check the video signal, disable the interrupt if there is a video signal, and then check the video signal again, disable the video signal if there is a video signal, and then select the bank. Register 1 is used to select bank 1, input and output user-defined characters after bank 1 is selected, and select bank 0 again after the input and output of user-defined characters is completed, and enable video signals and interrupts. User-defined character input and output method characterized in that the input and output of the end. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870015221A 1987-12-29 1987-12-29 Udc input/output apparatus and method for computer KR910000301B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870015221A KR910000301B1 (en) 1987-12-29 1987-12-29 Udc input/output apparatus and method for computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870015221A KR910000301B1 (en) 1987-12-29 1987-12-29 Udc input/output apparatus and method for computer

Publications (2)

Publication Number Publication Date
KR890010667A true KR890010667A (en) 1989-08-10
KR910000301B1 KR910000301B1 (en) 1991-01-24

Family

ID=19267551

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870015221A KR910000301B1 (en) 1987-12-29 1987-12-29 Udc input/output apparatus and method for computer

Country Status (1)

Country Link
KR (1) KR910000301B1 (en)

Also Published As

Publication number Publication date
KR910000301B1 (en) 1991-01-24

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