Boot Sector

《自己动手写操作系统》

  org 07c00h
  mov ax,cs
  mov ds,ax
  mov es,ax
  call DispStr
  jmp $
DispStr:
  mov ax,BootMessage
  mov bp,ax
  mov cx,16
  mov ax,01301h
  mov bx,000ch
  mov dl,0
  int 10h
  ret
BootMessage:   db "Hello,OS world!"
times 510-($-$$) db 0
dw  0xaa55