Code: data segment msg1 db 0ah,0dh,'Enter the password : $',0ah,0dh msg2 db 0ah,0dh,'Re-enter password : $',0ah,0dh msg3 db 0ah,0dh,'Logging Successful $',0ah,0dh msg4 db 0ah,0dh,'Password wrong $',0ah,0dh msg5 db 0ah,0dh,'Password wrongc $',0ah,0dh a db 10 (?) b db 10 (?) countz db ? data ends assume cs:code,ds:data code segment start: mov ax,data mov ds,ax mov ah,09h mov dx,offset msg1 int 21h mov di,offset a mov si,offset b loop1: mov ah,08h int 21h cmp al,0dh je loop2 mov [di],al inc di inc cl jmp loop1 loop2: mov ah,09h mov dx,offset msg2 int 21h jmp loop3 loop3: mov ah,08h int 21h cmp al,0dh je check0 mov [si],al inc si inc ch jmp loop3 check0: mov di,offset a mov si,offset b ;mov bl,di ;mov al,si mov countz,ch cmp cl,countz je check ;mov cl,ch jmp fail1 check : mov cl,ch jmp check1 check1: cmp cl,0dh jge pass mov bl,[di] mov bh,[si] cmp bl,bh jne fail1 inc di inc si dec cl jmp check1 pass: mov ah,09h mov dx,offset msg3 int 21h jmp last fail: mov ah,09h mov dx,offset msg4 int 21h jmp last fail1: mov ah,09h mov dx,offset msg5 int 21h jmp last last: mov ah,4ch int 21h code ends end start
