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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 jmp .kbd_buffer_test
.kbd_buffer_empty: .kbd_buffer_empty:
; Check if there is harddisk ; Check for MBR on harddisk
pusha pusha
mov ax, 0800h mov ax, 0201h
mov dx, 0080h mov dx, 0080h
mov cx, 0001h
mov bx, trackbuf
int 13h int 13h
popa 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 ; Display the 'Press key' message and wait for a maximum of 5 seconds
call crlf call crlf