diff options
Diffstat (limited to 'bootblocks/killhd.s')
| -rw-r--r-- | bootblocks/killhd.s | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/bootblocks/killhd.s b/bootblocks/killhd.s new file mode 100644 index 0000000..b4cd3b5 --- /dev/null +++ b/bootblocks/killhd.s @@ -0,0 +1,42 @@ +! +! 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 + |