16号中断读键盘输入SHIFT退出

16号中断读键盘输入SHIFT退出

代码

L_SHIFT = 00000010B
R_SHIFT =
00000001B
CODE SEGMENT
ASSUME
CS: CODE
START:
MOV AH, 2
INT 16H
TEST AL,L_SHIFT + R_SHIFT
JNZ OVER
MOV AH, 1
INT 16H
JZ START
MOV AH, 0
INT 16H
MOV DL,AL
MOV AH, 2
INT 21H
JMP START
OVER:
MOV AH,4CH
INT 21H
CODE ENDS
END START

 

转载于:https://www.cnblogs.com/Jekhn/archive/2010/12/18/1909783.html

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