comparaison de 2 tableaux

title comparaison 
.model small 
.stack 100h 
.386 
.data 
itemset  db  'chicoutimi§','papa§','tonton§' 
tab1  db  'chicoutimi§','fbia§','tonton§' 
 
.code 
main PROC 
    mov ax,@data 
    mov ds,ax 
    mov es,ax 
 
    mov si,0 
    lea si,itemset[si] 
    mov di,0 
    lea di,tab1[di] 
 
    mov cx,3 
       CLD                     ; adresse croissante 
 
REPE CMPSB 
jne non_identique 
mov dl,'o' 
jmp aff2 
 
non_identique: 
mov dl,'N' 
 
 
aff2: 
mov ah,2 
int 21h 
 
mov ah,4ch 
int 21h 
 
main ENDP 
END main;