wlx3.asm

此程序为均值滤波的汇编程序

DATA SEGMENT
BUFFER1 DW 300,250,280,240,260
buffer2 db 4 dup(?)
MAX DW ?
MIN DW ?
AVE DW ?
MODE DB 4 DUP(?)
DATA ENDS
STACK SEGMENT PARA STACK'STACK'
	STA DW 100 DUP(?)
	TOP EQU LENGTH STA
STACK ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA,ES:DATA,SS:STACK
START:	MOV AX,DATA
     	MOV DS,AX
	MOV ES,AX
	MOV AX,STACK
	MOV SS,AX
	MOV AX,TOP
	MOV SP,AX
	
        LEA SI,BUFFER1
	MOV DI,0
      	MOV CX,4
      	MOV AX,[SI]
      	INC SI
      	INC SI
NEXT1: 	CMP AX,[SI]
      	JAE NEXT2
      	MOV AX,[SI]
NEXT2:	INC SI
      	INC SI
      	LOOP NEXT1
	MOV MAX,AX


        LEA SI,BUFFER1
      	MOV CX,4
      	MOV AX,[SI]
      	INC SI
      	INC SI
NEXT11: CMP AX,[SI]
      	JBE NEXT12
      	MOV AX,[SI]
NEXT12:	INC SI
      	INC SI
      	LOOP NEXT11
      	MOV MIN,AX

     	XOR AX,AX
	MOV CX,5
        LEA SI,BUFFER1
NEXT3:	ADD AX,[SI]
	INC SI
	INC SI
	LOOP NEXT3

	SUB AX,MAX
	SUB AX,MIN
	XOR DX,DX
	MOV CX,3
        DIV CX
	MOV AVE,AX
	MOV AVE+2,DX
	
	MOV CL,4
	MOV BH,AH
	MOV BL,AL
	SHR AH,CL
	MOV AL,AH
	CALL CHANGE
	AND BH,0FH
	MOV AL,BH
	CALL CHANGE

	MOV AL,BL
	SHR AL,CL
	CALL CHANGE
	AND BL,0FH
	MOV AL,BL
	CALL CHANGE
	
	
	PUSH BX
	PUSH DX
        MOV DL,0DH
        MOV AH,2
        INT 21H
        MOV DL,0AH
	MOV AH,2
      	INT 21H
	MOV BX,AVE
	MOV CX,16
	XOR DX,DX
LOP3:	SHL BX,1
	ADC DL,'0'
	MOV AH,2
      	INT 21H
	XOR DX,DX
	LOOP LOP3
	
	POP DX
	POP BX

     	MOV DL,0DH
        MOV AH,2
        INT 21H
        MOV DL,0AH
	MOV AH,2
      	INT 21H
 
	
	XOR DI,DI
	XOR DX,DX
	MOV CX,10
	MOV AX,AVE
LOP4:	DIV CX
	
	
        MOV MODE[DI],DL
	CMP AX,0
	
	JE DISPLAY
	INC DI
	XOR DX,DX
	JMP LOP4
	
DISPLAY:MOV CX,3
DISPLAY1:
	MOV AL,MODE[DI]
	OR AL,30H
	MOV DL,AL
	MOV AH,2
      	INT 21H
	DEC DI
	LOOP DISPLAY1
	
	


		
	
	
		
	
	
	
	
	
	MOV AX,4C00H
	INT  21H


CHANGE PROC
	CMP AL,10
	JL LOP1
	add al,07h
lop1:	add al,30h
	mov buffer2[DI],AL
	MOV DL,BUFFER2[DI]
      	MOV AH,2
      	INT 21H
	
	INC DI
	RET
CHANGE ENDP


       
CODE ENDS
END START