.MODEL SMALL  
.STACK 100H  
.DATA  
    N DB 44H,22H,11H,55H,33H     ; N is an array      
    LEN DW 5 ; LENGTH OF ARRAY N   
.CODE   
 MAIN PROC  
 MOV AX,@DATA  
    MOV DS,AX  

 MOV CX,LEN ;Cx is counter for OUTERLOOP CX=5    
 DEC CX     ; CX = 4   

 OUTERLOOP:  
    MOV SI,0         ;    SI is the index of array N   
    MOV DX,CX  ; Dx is counter for INNERLOOP   
 INNERLOOP:    
    MOV AH,N[SI]    ; assign the number N[SI] into reg.AH  
    MOV AL,N[SI+1]  ; assign the next number N[SI+1] into reg.AL   
    CMP AH,AL       ; Compare between N[SI] and N[SI+1] 
 
    JC CARRY        ; if AL > AH => Carry Flag =1 ,THEN jump to carry   
    MOV N[SI] , AL  ; else , Do Switching bteween  N[SI] and N[SI+1]   
    MOV N[SI+1] ,AH   
 CARRY:   
    INC SI   
    DEC DX   
    JNZ INNERLOOP   
    LOOP OUTERLOOP   
 ;exit   
 MOV AH,4CH   ;service number     
 INT 21H      ; interrupt   
 MAIN  ENDP   
END