diff options
| author | hpa <hpa> | 2003-04-16 23:26:59 +0000 |
|---|---|---|
| committer | hpa <hpa> | 2003-04-16 23:26:59 +0000 |
| commit | b5767ae058711508eeda153aa8e57befdbc48635 (patch) | |
| tree | ff91058c7a2cbf88ab6a7192ccf1a6227e105afa /comboot.inc | |
| parent | 269fa939479aca36b9e15ebc4406f2d4d660ec14 (diff) | |
| download | syslinux-b5767ae058711508eeda153aa8e57befdbc48635.tar.gz | |
Get the actual high paragraph rather than just blindly reporting 64K
Diffstat (limited to 'comboot.inc')
| -rw-r--r-- | comboot.inc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/comboot.inc b/comboot.inc index 5e1d8e94..d358147d 100644 --- a/comboot.inc +++ b/comboot.inc @@ -92,7 +92,11 @@ is_comboot_image: mov word [es:0], 020CDh ; INT 20h instruction ; First non-free paragraph - mov word [es:02h], comboot_seg+1000h + ; This is valid because comboot_seg == real_mode_seg + ; == the highest segment used by all derivatives + int 12h ; Get DOS memory size + shl ax,6 ; Kilobytes -> paragraphs + mov word [es:02h],ax ; Copy the command line from high memory mov cx,125 ; Max cmdline len (minus space and CR) |