Can anyone tell me why nothing is displayed on the scope?

This design isn’t working, nothing is displayed on the scope.

CODE SEGMENT
ORG 100H
                                       
mov al,37h

mov dx,6h

out dx,al


mov ax,1000h

mov dx,0h

out dx,al 

mov dx,0h

mov al,ah

out dx,al 

                      
        CODE ENDS

END