From 2be36b16216e957173dccfe9ac1ebeaf93b621eb Mon Sep 17 00:00:00 2001
From: IntelOrca <ted@brambles.org>
Date: Wed, 12 Nov 2014 22:59:25 +0000
Subject: [PATCH] fixes #564 - ebp not restored on mouse down event call

---
 src/interface/window.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/src/interface/window.c b/src/interface/window.c
index 6766badb59..6200194443 100644
--- a/src/interface/window.c
+++ b/src/interface/window.c
@@ -1602,6 +1602,7 @@ void window_event_mouse_down_call(rct_window *w, int widgetIndex)
 
 	#ifdef _MSC_VER
 		__asm {
+			push ebp
 			push address
 			push widget
 			push w
@@ -1611,21 +1612,24 @@ void window_event_mouse_down_call(rct_window *w, int widgetIndex)
 			mov esi, w
 			call[esp + 12]
 			add esp, 16
+			pop ebp
 		}
 	#else
 		__asm__("\
-				push %[address]\n\
-				mov edi, %[widget] \n\
-				mov eax, %[w]  \n\
-				mov edx, %[widgetIndex] \n\
-				push edi \n\
-				push eax \n\
-				push edx \n\
-				mov esi, %[w]	\n\
-				call [esp+12]	\n\
-				add esp, 16	\n\
-				" :[address] "+m" (address), [w] "+m" (w), [widget] "+m" (widget), [widgetIndex] "+m" (widgetIndex): : "eax", "esi", "edx", "edi"
-			);
+			push ebp \n\
+			push %[address]\n\
+			mov edi, %[widget] \n\
+			mov eax, %[w]  \n\
+			mov edx, %[widgetIndex] \n\
+			push edi \n\
+			push eax \n\
+			push edx \n\
+			mov esi, %[w]	\n\
+			call [esp+12]	\n\
+			add esp, 16	\n\
+			pop ebp \n\
+			" :[address] "+m" (address), [w] "+m" (w), [widget] "+m" (widget), [widgetIndex] "+m" (widgetIndex): : "eax", "esi", "edx", "edi"
+		);
 	#endif
 }