[ORG 0x7c00]
[bits 16]
nop
nop
mov ax, 0x2E
out 0x70, ax
nop
nop
mov ax, 0xFF
out 0x71, ax
nop
nop


xor ax, ax ; make it zero
mov ds, ax

   mov si, msg
ch_loop:
   lodsb
   or al, al
   jz hang
   mov ah, 0x0E
   int 0x10
   jmp delay
   delay_ret:
   jmp ch_loop


   hang: jmp hang

delay:
mov dx,0x40
delay_wait_2:
mov cx,0xFFFF
delay_wait:
nop
nop
nop
nop
loop delay_wait
sub dx, 1
jnz delay_wait_2
jmp delay_ret

msg   db 13,10,10,10,"     *** Sebi's BIOS password removal tool ***", 13, 10, '       ',13,'        ', 13, ' Password should be cleared! Restart your computer.', 13, 10, 0

   times 510-($-$$) db 0
   db 0x55
   db 0xAA