6 files changed, 10 insertions, 11 deletions
diff --git a/sdl.c b/sdl.c
index e40056619..a87f20b3a 100644
--- a/sdl.c
+++ b/sdl.c
@@ -478,14 +478,12 @@ static int PollEvent(void)
 				_right_button_down = true;
 				_right_button_clicked = true;
 				break;
-#if !defined(WIN32)
 			case SDL_BUTTON_WHEELUP:
 				_cursor.wheel--;
 				break;
 			case SDL_BUTTON_WHEELDOWN:
 				_cursor.wheel++;
 				break;
-#endif
 			default:
 				break;
 		}
diff --git a/stdafx.h b/stdafx.h
index 4f1325bdc..8fbc51b1d 100644
--- a/stdafx.h
+++ b/stdafx.h
@@ -105,8 +105,8 @@
 #	define inline _inline
 #	define CDECL _cdecl
 # define NOT_REACHED() _assume(0)
-int snprintf(char *str, size_t size, const char *format, ...);
-int vsnprintf(char *str, size_t size, const char *format, va_list ap);
+int CDECL snprintf(char *str, size_t size, const char *format, ...);
+int CDECL vsnprintf(char *str, size_t size, const char *format, va_list ap);
 # undef TTD_ALIGNMENT_4
 # undef TTD_ALIGNMENT_2
 # define GCC_PACK
diff --git a/texteff.c b/texteff.c
index e9510fc57..a3183b9d0 100644
--- a/texteff.c
+++ b/texteff.c
@@ -46,7 +46,7 @@ static byte _textmessage_backup[150*400]; // (y * max_width)
 extern void memcpy_pitch(void *d, void *s, int w, int h, int spitch, int dpitch);
 
 // Duration is in game-days
-void AddTextMessage(uint16 color, uint8 duration, const char *message, ...)
+void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...)
 {
 	int i;
 	char buf[1024];
diff --git a/ttd.dsp b/ttd.dsp
index 3cce5faae..130eb7594 100644
--- a/ttd.dsp
+++ b/ttd.dsp
@@ -44,7 +44,7 @@ RSC=rc.exe
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /Yu"stdafx.h" /FD /c
-# ADD CPP /nologo /Gr /Zp4 /W3 /Zi /Ox /Oa /Ow /Og /Oi /Os /Gf /Gy /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /D "WIN32_EXCEPTION_TRACKER" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /FAcs /FR /Yu"stdafx.h" /J /FD /c
+# ADD CPP /nologo /Gd /Zp4 /W3 /Zi /Ox /Oa /Ow /Og /Oi /Os /Gf /Gy /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /D "WIN32_EXCEPTION_TRACKER" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /FAcs /FR /Yu"stdafx.h" /J /FD /c
 # SUBTRACT CPP /WX /Ot
 # ADD BASE RSC /l 0x809 /d "NDEBUG"
 # ADD RSC /l 0x809 /d "NDEBUG"
@@ -98,7 +98,7 @@ LINK32=link.exe
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /MTd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /D "WITH_SDL" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /YX"stdafx.h" /FD /GZ /c
 # SUBTRACT BASE CPP /WX /Fr
-# ADD CPP /nologo /Gr /Zp4 /ML /W3 /Gm /Zi /Ox /Oa /Ow /Og /Oi /Os /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /D "WITH_SDL" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /YX"stdafx.h" /FD /c
+# ADD CPP /nologo /Gd /Zp4 /ML /W3 /Gm /Zi /Ox /Oa /Ow /Og /Oi /Os /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /D "WITH_SDL" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /YX"stdafx.h" /FD /c
 # ADD BASE RSC /l 0x809 /d "_DEBUG"
 # ADD RSC /l 0x809 /d "_DEBUG"
 BSC32=bscmake.exe
@@ -124,9 +124,9 @@ LINK32=link.exe
 # PROP Intermediate_Dir "ReleasePNG"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /Gr /Zp4 /W3 /Zi /Ox /Oa /Ow /Og /Oi /Os /Gf /Gy /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /D "WIN32_EXCEPTION_TRACKER" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /FAcs /FR /Yu"stdafx.h" /J /FD /c
+# ADD BASE CPP /nologo /Gd /Zp4 /W3 /Zi /Ox /Oa /Ow /Og /Oi /Os /Gf /Gy /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /D "WIN32_EXCEPTION_TRACKER" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /FAcs /FR /Yu"stdafx.h" /J /FD /c
 # SUBTRACT BASE CPP /WX /Ot
-# ADD CPP /nologo /Gr /Zp4 /W3 /Zi /Ox /Oa /Ow /Og /Oi /Os /Gf /Gy /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /D "WIN32_EXCEPTION_TRACKER" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /D "WITH_PNG" /D "WITH_ZLIB" /FAcs /FR /Yu"stdafx.h" /J /FD /c
+# ADD CPP /nologo /Gd /Zp4 /W3 /Zi /Ox /Oa /Ow /Og /Oi /Os /Gf /Gy /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /D "WIN32_EXCEPTION_TRACKER" /D "WIN32_ENABLE_DIRECTMUSIC_SUPPORT" /D "WITH_PNG" /D "WITH_ZLIB" /FAcs /FR /Yu"stdafx.h" /J /FD /c
 # SUBTRACT CPP /WX /Ot
 # ADD BASE RSC /l 0x809 /d "NDEBUG"
 # ADD RSC /l 0x809 /d "NDEBUG"
diff --git a/ttd.vcproj b/ttd.vcproj
index 2dad3071b..1a8b0b5ef 100644
--- a/ttd.vcproj
+++ b/ttd.vcproj
@@ -189,6 +189,7 @@
 				WarnAsError="TRUE"
 				SuppressStartupBanner="TRUE"
 				DebugInformationFormat="4"
+				CallingConvention="0"
 				CompileAs="1"/>
 			<Tool
 				Name="VCCustomBuildTool"/>
diff --git a/win32.c b/win32.c
index f3951f94d..bb83fed72 100644
--- a/win32.c
+++ b/win32.c
@@ -2074,7 +2074,7 @@ void DeterminePaths()
 	CreateDirectory(_path.scenario_dir, NULL);
 }
 
-int snprintf(char *str, size_t size, const char *format, ...)
+int CDECL snprintf(char *str, size_t size, const char *format, ...)
 {
 	va_list ap;
 	int ret;
@@ -2085,7 +2085,7 @@ int snprintf(char *str, size_t size, const char *format, ...)
 	return ret;
 }
 
-int vsnprintf(char *str, size_t size, const char *format, va_list ap)
+int CDECL vsnprintf(char *str, size_t size, const char *format, va_list ap)
 {
 	int ret;
 	ret = _vsnprintf(str, size, format, ap);