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Do not show "Press any key to boot from CD"-Message if there is no MBR on the hard drive.

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svn path=/trunk/; revision=25283
This commit is contained in:
Maarten Bosma 2007-01-03 14:33:41 +00:00
parent f7e1cf715a
commit 9d06a14bae
1 changed files with 11 additions and 3 deletions
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14
reactos/boot/freeldr/bootsect/isoboot.asm
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@ -139,13 +139,21 @@ relocate:
jmp .kbd_buffer_test
.kbd_buffer_empty:
; Check if there is harddisk
; Check for MBR on harddisk
pusha
mov ax, 0800h
mov ax, 0201h
mov dx, 0080h
mov cx, 0001h
mov bx, trackbuf
int 13h
popa
jc .boot_cdrom
jc .boot_cdrom ; could not read hdd
push ax
mov ax, word [trackbuf]
cmp ax, 0
je .boot_cdrom ; no boot sector found (hopefully there are no weird bootsectors which begin with 0)
pop ax
; Display the 'Press key' message and wait for a maximum of 5 seconds
call crlf