d_a_e_rdy debug work (#3011)

* debug work for d_a_e_rdy

* remove unused fake function

* fix regressions

* rename variable

* Fix version diffs of angle adding

include/SSystem/SComponent/c_angle.h

@@ -3,6 +3,13 @@
 
 #include "SSystem/SComponent/c_xyz.h"
 
+#if PLATFORM_SHIELD
+#define ADD_ANGLE(x, y) ((x) += (s16)(y))
+#else
+#define ADD_ANGLE(x, y) ((x) += (y))
+#endif
+
+
 class cSAngle {
 private:
     s16 mAngle;

include/SSystem/SComponent/c_lib.h

@@ -102,7 +102,7 @@ void MtxTrans(f32, f32, f32, u8);
 void MtxScale(f32, f32, f32, u8);
 void MtxPosition(cXyz*, cXyz*);
 void MtxPush(void);
-Mtx* MtxPull(void);
+void MtxPull(void);
 
 extern Mtx* calc_mtx;