diff options
Diffstat (limited to 'bootblocks/killhd.s')
| -rw-r--r-- | bootblocks/killhd.s | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/bootblocks/killhd.s b/bootblocks/killhd.s index b4cd3b5..da2b3f7 100644 --- a/bootblocks/killhd.s +++ b/bootblocks/killhd.s @@ -20,23 +20,45 @@ org dos_sysid mov sp,ax mov di,#$8000 - mov cx,#$0400 + mov cx,#$0800 rep stosw ! Zap a space. mov dx,#$0080 mov cx,#$0001 mov bx,#$8000 - mov ax,#$0301 - int $13 ! Zap the MBR + mov ax,#$0308 + int $13 ! Zap the MBR (and a disk manager?) mov dx,#$0180 mov cx,#$0001 mov bx,#$8000 - mov ax,#$0304 + mov ax,#$0308 int $13 ! Zap the first partition boot and super. - xor ax,ax ! Wait for key - int $16 - jmpi $0,$FFFF ! Reboot +!---------------------------------------------------------------- + +prtmsg: ! SI = pointer to error message + mov si,#boot_message + +nextc: + lodsb + cmp al,#0 + jz eos + mov bx,#7 + mov ah,#$E ! Can't use $13 cause that's AT+ only! + int $10 + jmp nextc + +!---------------------------------------------------------------- + +eos: ! Wait for a key then reboot +reboot: + xor ax,ax + int $16 + jmpi $0,$FFFF ! Wam! Try or die! + +export boot_message +boot_message: + .asciz "PANIC! OS Destroyed!\r\n" |