[Decompilation] [th01] SinGyoku: Sprite freeing

Part of P0201, funded by Ember2528 and Yanga.

th01/main/boss/b05.cpp

@@ -24,6 +24,12 @@ static const int SPHERE_CELS = 8;
 		boss_entities[0] \
 	)
 
+inline void singyoku_ent_free(void) {
+	bos_entity_free(0);
+	bos_entity_free(1);
+	bos_entity_free(2);
+}
+
 // And that's how you avoid the entity position synchronization code that
 // plagues Elis: By simply only using a single set of coordinates.
 #define ent ent_sphere
@@ -53,6 +59,11 @@ extern bool16 invincible;
 extern int invincibility_frame;
 extern bool16 initial_hp_rendered;
 
+void singyoku_free(void)
+{
+	singyoku_ent_free();
+}
+
 // Rotates the sphere by the given [cel_delta]. [interval] could be used to
 // restrict this function to certain [boss_phase_frame] intervals, but it's
 // always either 1 or -1 in the original game.

th01/main/boss/boss.hpp

@@ -56,6 +56,8 @@ static const pixel_t SINGYOKU_W = 96;
 // is part of the regular boss defeat translation unit.
 static const pixel_t SINGYOKU_H = 96;
 
+void singyoku_free(void);
+
 // Makai
 void elis_load(void);
 void elis_main(void);

th01_reiiden.asm

@@ -2022,7 +2022,7 @@ sub_D4DD	proc far
 		jmp	cs:off_D524[bx]
 
 loc_D4F3:
-		call	_singyoku_free
+		call	@singyoku_free$qv
 		pop	bp
 		retf
 ; ---------------------------------------------------------------------------
@@ -13441,22 +13441,7 @@ sub_22731	proc far
 		retf
 sub_22731	endp
 
-
-; =============== S U B	R O U T	I N E =======================================
-
-; Attributes: bp-based frame
-public _singyoku_free
-_singyoku_free	proc far
-		push	bp
-		mov	bp, sp
-		call	@bos_entity_free$qi stdcall, 0
-		call	@bos_entity_free$qi stdcall, 1
-		call	@bos_entity_free$qi stdcall, 2
-		add	sp, 6
-		pop	bp
-		retf
-_singyoku_free	endp
-
+	extern @singyoku_free$qv:proc
 	extern @sphere_rotate_and_render$qii:proc
 	extern @singyoku_select_for_rank$qmiiiii:proc
 main_33_TEXT	ends