实验4 求最大值的程序设计

DATA SEGMENT
ORG 1000H
SZ1  DB 0A3H,0A8H,0B0H,9FH,9EH,0B1H,0AFH,0ADH,0A7H,0A8H
MAX  DB  ?
MIN  DB  ?
ORG 1012H 
SZ2  DB  ? 
DATA  ENDS

CODE  SEGMENT
ASSUME CS:CODE,DS:DATA
ST1: 
    MOV  AX,DATA                  
    MOV  DS,AX      
    CALL ZMAX        
    CALL ZMIN        
    CALL Z1        
    MOV  AH,4CH 
  INT   21H  

ZMAX PROC NEAR           
        LEA SI, SZ1 
        MOV CX,9
    MOV AX, [SI]
         
 LP2: INC SI
      CMP AL ,[SI]
      JAE LP1
    MOV AL ,[SI]
 LP1: 
      LOOP LP2
      MOV MAX,AL 
      RET
 ZMAX ENDP

 ZMIN PROC NEAR
        LEA SI, SZ1 
        MOV CX ,9
    MOV AL , [SI]    
  LP4: 
     INC SI 
     CMP AL ,[SI]
     JBE LP5
   MOV  AL,[SI] 
  LP5:  
      LOOP LP4
      MOV MIN ,AL 
  RET
  ZMIN ENDP
  
  Z1 PROC  NEAR 
       LEA SI, SZ1   
       MOV CX ,10
     MOV AX, 0
     MOV BX, 0

  
  ABC:
      MOV BL,[SI]
      ADD AX,BX
    INC SI
    LOOP ABC
    MOV BL,MAX 
    SUB AX,BX
    MOV BL ,MIN 
    SUB AX,BX
    MOV BL ,8
    DIV BL
    MOV SZ2 ,AL 
   RET
    Z1 ENDP  
CODE ENDS
END ST1