From c53ae2712abd83a4e51415db188b4516568c8811 Mon Sep 17 00:00:00 2001
From: Anton Kochkov <anton.kochkov@gmail.com>
Date: Mon, 10 Jun 2013 02:33:33 +0400
Subject: [PATCH] Fixed wrong entrypoint offset in check() function for
 r_bin_bios

---
 libr/bin/p/bin_bios.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/libr/bin/p/bin_bios.c b/libr/bin/p/bin_bios.c
index 3875351fde..39790d105b 100644
--- a/libr/bin/p/bin_bios.c
+++ b/libr/bin/p/bin_bios.c
@@ -50,12 +50,11 @@ static RBinInfo* info(RBinArch *arch) {
 }
 
 static int check(RBinArch *arch) {
-	const ut32 ep = 0x000ffff0; /* F000:FFF0 address */
-	if (arch->buf && arch->buf->length > ep) {
+	if (arch->buf) {
+		const ut32 ep = arch->buf->length - 0x10000 + 0xfff0; /* F000:FFF0 address */
 		if (arch->buf->buf[0] == 0xff)
 			/* Check if this a 'jmp' opcode */
-			if ((arch->buf->buf[ep] == 0xea) | 
-			(arch->buf->buf[ep] == 0xe9))
+			if ((arch->buf->buf[ep] == 0xea) | (arch->buf->buf[ep] == 0xe9))
 				return 1;
 	}
 	return 0;