From b5767ae058711508eeda153aa8e57befdbc48635 Mon Sep 17 00:00:00 2001
From: hpa <hpa>
Date: Wed, 16 Apr 2003 23:26:59 +0000
Subject: [PATCH] Get the actual high paragraph rather than just blindly
 reporting 64K

---
 comboot.inc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/comboot.inc b/comboot.inc
index 5e1d8e9..d358147 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)
-- 
2.7.4