.model small
.stack 100h
.data
a db "XOR OF 7&9 :$"
.code
main proc
    mov ax,@data
    mov ds,ax
    
    mov ah,9
    lea dx,A 
    int 21h
    
    mov bl,0111b
    xor bl,1001b
    add bl,48
    mov ah,2
    mov dl,bl
    int 21h
    
    exit:
    mov ah,4ch
    int 21h
    main endp
end main