汇编实现求最大最小值

最大值最小流程图.png

代码实现

STACK1  SEGMENT STACK
         DW 256 DUP(?)
STACK1  ENDS

DATA SEGMENT
NUM DB 05H,07H,5CH,03H,08H
MAX DB ?
MIN DB ?
DATA ENDS

CODE SEGMENT
ASSUME CS:CODE,DS:DATA

START:MOV AX,DATA
      MOV DS,AX
      MOV  CX,0004H
      MOV  SI,OFFSET NUM
      MOV BH,[SI]
      MOV BL,[SI]
      INC SI
A1:MOV AL,[SI]
    INC SI
    CMP BH,AL   
    JAE A2
    MOV BH,AL
A2:CMP BL,AL
    JBE A3
    MOV BL,AL
A3:LOOP A1

   MOV SI,OFFSET MAX 
   MOV [SI],BH
   MOV [SI+1],BL
   CALL SHOW
   INC SI
   CALL SHOW

   MOV  AX,4C00H 
   INT  21H 
 
SHOW    PROC NEAR
        MOV  AL,DS:[SI]    
        AND  AL,0F0H               
        MOV  CL,4             
        SHR  AL,CL
        CMP  AL,0AH                 
        JB   C2       
        ADD  AL,07H   
C2:     ADD  AL,30H   
        MOV  DL,AL                  
        MOV  AH,02H
        INT  21H
        MOV  AL,DS:[SI]
        AND  AL,0FH                 
        CMP  AL,0AH
        JB   C3
       ADD  AL,07H
C3:     ADD  AL,30H
        MOV  DL,AL                  
        MOV  AH,02H
        INT  21H
        RET 
 SHOW ENDP
 
CODE ENDS
 
     END START