diff --git a/include/sact.h b/include/sact.h
index 6487a5b..3290a3a 100644
--- a/include/sact.h
+++ b/include/sact.h
@@ -50,7 +50,7 @@ int sact_SP_SetY(int sp_no, int y);
 int sact_SP_SetZ(int sp, int z);
 int sact_SP_GetBlendRate(int sp_no);
 int sact_SP_SetBlendRate(int sp_no, int rate);
-int sact_SP_SetShow(int sp_no, bool show);
+int sact_SP_SetShow(int sp_no, int show);
 int sact_SP_SetDrawMethod(int sp_no, int method);
 int sact_SP_GetDrawMethod(int sp_no);
 int sact_SP_IsUsing(int sp_no);
diff --git a/src/hll/SACT2.c b/src/hll/SACT2.c
index ebd4f21..59f37b8 100644
--- a/src/hll/SACT2.c
+++ b/src/hll/SACT2.c
@@ -361,11 +361,11 @@ int sact_SP_SetBlendRate(int sp_no, int rate)
 	return 1;
 }
 
-int sact_SP_SetShow(int sp_no, bool show)
+int sact_SP_SetShow(int sp_no, int show)
 {
 	struct sact_sprite *sp = sact_get_sprite(sp_no);
 	if (!sp) return 0;
-	sprite_set_show(sp, show);
+	sprite_set_show(sp, !!show);
 	return 1;
 }
 
diff --git a/src/sprite.c b/src/sprite.c
index d86b242..0fb3088 100644
--- a/src/sprite.c
+++ b/src/sprite.c
@@ -175,6 +175,11 @@ struct texture *sprite_get_texture(struct sact_sprite *sp)
 	return &sp->texture;
 }
 
+static void _sprite_print(struct sprite *sp)
+{
+	sprite_print((struct sact_sprite*)sp);
+}
+
 void sprite_set_cg(struct sact_sprite *sp, struct cg *cg)
 {
 	gfx_delete_texture(&sp->texture);
@@ -184,6 +189,7 @@ void sprite_set_cg(struct sact_sprite *sp, struct cg *cg)
 	sp->sp.has_pixel = true;
 	sp->sp.has_alpha = cg->metrics.has_alpha;
 	sp->sp.render = sprite_render;
+	sp->sp.debug_print = _sprite_print;
 	sprite_dirty(sp);
 }
 
@@ -212,6 +218,7 @@ void sprite_set_cg_2x(struct sact_sprite *sp, struct cg *cg)
 	sp->sp.has_pixel = true;
 	sp->sp.has_alpha = cg->metrics.has_alpha;
 	sp->sp.render = sprite_render;
+	sp->sp.debug_print = _sprite_print;
 	sprite_dirty(sp);
 	gfx_delete_texture(&tmp);
 }
@@ -263,11 +270,6 @@ int sprite_save_cg(struct sact_sprite *sp, const char *path)
 	return gfx_save_texture(sprite_get_texture(sp), path, ALCG_QNT);
 }
 
-static void _sprite_print(struct sprite *sp)
-{
-	sprite_print((struct sact_sprite*)sp);
-}
-
 /*
  * Attach pixel data to a sprite. The texture is initialized lazily.
  */