;;  Exmaple of a MOV instruction
        
        ORG 100h

        mov al, [b1]
        mov ah, [b2]
        mov ax, [w1]
        
        mov bl, [b1]
        mov bh, [b2]
        mov bx, [w1]

        mov bx, [bx + si]
        mov bx, [bx + si + w1]

        mov ax, [bx + si]
        mov ax, [bx + si + 1234h]

        mov cx, bx
        mov ax, cx
        mov ah, al

        ;;  exit:
        mov ax, 4c00h
        int 21h

b1:     DB 055h
b2:     DB 0AAh
w1:     DW 0123h