对话框与窗口

开发平台：

DOS

password.asm：源码内容

							DATA SEGMENT
	BEGIN DB 'Please input the password:'	
	ERROR DB 'Password error!'
	RIGHT DB 'Welcome to use'
	STRING DB 8 DUP(?)
DATA ENDS
EXTRA SEGMENT
	PASSWORD DB '12345678'
EXTRA ENDS
CODE SEGMENT
	ASSUME DS:DATA,CS:CODE,ES:EXTRA
	MOV BX,0
	START:
		MOV AX,DATA
		MOV DS,AX
		
		MOV AX,EXTRA
		MOV ES,AX
		
		MOV CX,26
		MOV DI,0
	
	OUTPUT:
		MOV AL,BEGIN[DI]
		MOV AH,02H
		MOV DL,AL
		INT 21H
		INC DI
		LOOP OUTPUT
		
		MOV DI,0
		MOV CX,8
	REST:
		MOV AH,08H
		INT 21H
		MOV STRING[DI],AL
		INC DI
		LOOP REST
		MOV CX,8
		
		LEA SI,STRING
		LEA DI,PASSWORD
		CLD
		REPE CMPSB 
		
		MOV CX,15
		MOV DI,0
		JNZ WRONG	
		MOV CX,14
		MOV DI,0
	SAME:
		MOV AL,RIGHT[DI]
		MOV AH,02H
		MOV DL,AL
		INT 21H
		INC DI
		LOOP SAME
		MOV AH,4CH
		INT 21H
	WRONG:
		MOV AL,ERROR[DI]
		MOV AH,02H
		MOV DL,AL
		INT 21H
		INC DI
		LOOP WRONG
		INC BX
		CMP BX,3		
		JNZ START
		MOV AH,4CH
		INT 21H
CODE ENDS
	END START

						