d_a_obj_snowEffTag / d_a_obj_digplace / d_a_tag_lv2prchk OK (#390)

* d_a_obj_snowEffTag OK

* d_a_obj_digplace OK

* d_a_tag_lv2prchk OK

* remove asm / fix tag_waterfall warnings

include/std/cmath.h

@@ -0,0 +1,12 @@
+#ifndef STD_CMATH_H_
+#define STD_CMATH_H_
+
+#include "MSL_C/math.h"
+
+namespace std {
+float fabs(float num) {
+    return fabsf(num);
+}
+}  // namespace std
+
+#endif