MorphOS: add SDL_GameControllerGetSteamHandle

add SDL_GameControllerGetSteamHandle STUB
Update library version

src/core/morphos/SDL_mosversion.h

@@ -1,5 +1,5 @@
 #define	str(s) #s
 #define 	xstr(s) str(s)
 #define	VERSION		53
-#define	REVISION	12
+#define	REVISION	13
 #define	VERSTAG	"\0$VER: sdl2.library " xstr(VERSION) "." xstr(REVISION) " (" __AMIGADATE__ ") © Bruno Peloille, Szilárd Biró, Ilkka Lehtoranta"

src/core/morphos/SDL_stubs.h

@@ -885,5 +885,6 @@
 	// 2.28.0
 	STUB(SDL_HasWindowSurface)
 	STUB(SDL_DestroyWindowSurface)
-
+	//
+	STUB(SDL_GameControllerGetSteamHandle)
 

src/core/morphos/sdk/clib/sdl2_protos.h

@@ -879,6 +879,8 @@ char *SDL_strcasestr(const char *haystack, const char *needle);
 /* 2.28.0 */
 SDL_bool SDL_HasWindowSurface(SDL_Window *window);
 int SDL_DestroyWindowSurface(SDL_Window *window);
+/* */
+Uint64 SDL_GameControllerGetSteamHandle(SDL_GameController *gamecontroller);
 #endif
 
 #endif /* CLIB_SDL2_PROTOS_H */

src/core/morphos/sdk/fd/sdl2_lib.fd

@@ -802,3 +802,4 @@ SDL_ResetHints()(sysv,r12base)
 SDL_strcasestr(haystack,needle)(sysv,r12base)
 SDL_HasWindowSurface(window)(sysv,r12base)
 SDL_DestroyWindowSurface(window)(sysv,r12base)
+SDL_GameControllerGetSteamHandle(gamecontroller)(sysv,r12base)

src/core/morphos/sdk/ppcinline/sdl2.h

@@ -7024,4 +7024,12 @@
 		(((int (*)(SDL_Window *))*(void**)(__base - 4804))(__t__p0));\
 	})
 
+#define SDL_GameControllerGetSteamHandle(__p0) \
+	({ \
+		SDL_GameController * __t__p0 = __p0;\
+		long __base = (long)(SDL2_BASE_NAME);\
+		__asm volatile("mr 12,%0": :"r"(__base):"r12");\
+		(((Uint64 (*)(SDL_GameController *))*(void**)(__base - 4810))(__t__p0));\
+	})
+
 #endif /* !_PPCINLINE_SDL2_H */