KR900018814A - How to display the protection mode operation using the keyboard - Google Patents

How to display the protection mode operation using the keyboard Download PDF

Info

Publication number
KR900018814A
KR900018814A KR1019890007261A KR890007261A KR900018814A KR 900018814 A KR900018814 A KR 900018814A KR 1019890007261 A KR1019890007261 A KR 1019890007261A KR 890007261 A KR890007261 A KR 890007261A KR 900018814 A KR900018814 A KR 900018814A
Authority
KR
South Korea
Prior art keywords
mode
state
keyboard
flag
display
Prior art date
Application number
KR1019890007261A
Other languages
Korean (ko)
Other versions
KR970002405B1 (en
Inventor
안성환
Original Assignee
이헌조
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019890007261A priority Critical patent/KR970002405B1/en
Publication of KR900018814A publication Critical patent/KR900018814A/en
Application granted granted Critical
Publication of KR970002405B1 publication Critical patent/KR970002405B1/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/30Monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)

Abstract

내용 없음No content

Description

키이보드를 이용한 보호모드 동작 표시방법How to display the protection mode operation using the keyboard

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

제1도는 본 발명의 보호모드 동작 상태 표시회로도, 제2도는 본 발명에 따른 상태 바이트 설명도, 제3도는 본 발명에 따른 보호모드 동작 상태 표시 회로의 흐름도.1 is a protection mode operation state display circuit diagram of the present invention, FIG. 2 is a state byte explanatory diagram according to the present invention, and FIG. 3 is a flowchart of the protection mode operation state display circuit according to the present invention.

Claims (1)

리얼모드에서 보호모드로 변환할 때 리얼모드 상태를 저장하는 단계와, 상기 리얼모드 상태 저장단계후 보호모드 디스크립타를 만드는 단계와, 상기 단계후 시스템의 게이트 어드레스 "20"를 "온"시킨다음 내부레지스터 및 메모리를 초기화하는 단계와, 상기 단계후 리얼모드를 보호모드로 전환하는 단계와, 상기단계후 AL레지스터에 LED라이트 코멘드를 저장하고 키이보드의 준비상태와 키이보드 상태를 점검하는 단계와, 상기 단계후 키이보드가 명령을 받을 준비가 되면 AL레지스터에 저장된 LED라이트 코멘드를 출력하는 단계와, 상기 단계후 현재의 램프상태를 보관하는 플래그 "KB-FLAG-2"를 만들고 보호모드인 경우 램프(6)를 "온"시키는 단계와, 상기 단계후 보호모드에서 프로그램을 수행하고 게이트어드레스 "20"를 "오프"하여 리얼모드로 전환하는 단계와, 상기 단계후 플래그 "KB-FLAG-4"상태를 "0"로 하여 램프(6)를 "오프"시키는 단계를 포함하여 구성된 것을 특징으로 하는, 키이보드를 이용한 보호모드 동작 표시방법.Saving the real mode state when switching from real mode to protected mode, creating a protected mode descriptor after the real mode state storing step, and "on" the gate address "20" of the system after the step; Initializing the internal register and memory, switching the real mode to the protected mode after the step, storing the LED light command in the AL register after the step, and checking the ready state and the keyboard state of the keyboard; When the keyboard is ready to receive a command after the step, outputting the LED light command stored in the AL register, and after the step to create a flag "KB-FLAG-2" to keep the current lamp state and in the protection mode Turning on the lamp 6; and after the step, the program is executed in the protection mode and the gate address " 20 " And, after the step flag "KB-FLAG-4" state to "0" to the lamp 6 is the "off" protected mode operating method using a display, a key board, characterized in that configured by including the step of. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890007261A 1989-05-30 1989-05-30 A protecting mode display method using a keyboard KR970002405B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890007261A KR970002405B1 (en) 1989-05-30 1989-05-30 A protecting mode display method using a keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890007261A KR970002405B1 (en) 1989-05-30 1989-05-30 A protecting mode display method using a keyboard

Publications (2)

Publication Number Publication Date
KR900018814A true KR900018814A (en) 1990-12-22
KR970002405B1 KR970002405B1 (en) 1997-03-05

Family

ID=19286577

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890007261A KR970002405B1 (en) 1989-05-30 1989-05-30 A protecting mode display method using a keyboard

Country Status (1)

Country Link
KR (1) KR970002405B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100863268B1 (en) * 2008-05-29 2008-10-15 통명석재 주식회사 Natural stone manhole cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100863268B1 (en) * 2008-05-29 2008-10-15 통명석재 주식회사 Natural stone manhole cover

Also Published As

Publication number Publication date
KR970002405B1 (en) 1997-03-05

Similar Documents

Publication Publication Date Title
KR850001566A (en) Micro computer
KR920015377A (en) Semiconductor memory
KR910014816A (en) Systems and methods for accessing I / O devices efficiently supported through large direct mapped data caches
KR900013413A (en) Digital signal processing device
KR910010320A (en) A resume processing control method and system in a computer system to which an expansion unit can be connected
KR900018814A (en) How to display the protection mode operation using the keyboard
KR910005155A (en) Microprocessor
KR950012226A (en) Information processing system and its operation method
KR900018816A (en) How to display protection mode operation status using I / O address
KR900002311A (en) Cache memory and access control device employing the cache memory
KR920003769A (en) Surround control circuit
KR920007369A (en) How to use pager CPU
KR920007657A (en) Control device of organic device
KR970007636A (en) Multiple RAM brake condition setting circuit using external memory
KR960042342A (en) How to stop the emulator
KR940007672A (en) Computer virus prevention control device and method
KR920014074A (en) How to deal with memory failures
KR910012928A (en) Computer memory expansion system
KR970049318A (en) How to Enter Monitor Mode in the Microcontroller Emulator
KR900010549A (en) Breakpoint setting and release circuit of the program
KR920004978A (en) Address Expansion Method Using I / O Function of Microprocessor
KR910003472A (en) Sequence control method
KR920013698A (en) Integrated circuit
KR860002760A (en) System program protection circuit of Z 80 CPU
KR920022869A (en) How to extinguish OSD by external key input

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070221

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee