org 0x100
     mov ax, 13h
     int 10h
     push 0a000h
     pop es
     mov bx, 140h
     mov cx, 0
     mov di, 0
 loop1:
     inc cx
     mov ax, cx
     xor dx, dx
     div bx
     xor ax, dx
     stosb
     cmp cx, 64000
     jne loop1
         mov cx, 0
     jmp loop1