diff --git a/src/game/game_097ba0.c b/src/game/game_097ba0.c
index 7e116f901..41d1e91bf 100644
--- a/src/game/game_097ba0.c
+++ b/src/game/game_097ba0.c
@@ -29132,54 +29132,29 @@ s8 freeFireslot(s32 fireslot_id)
 	return -1;
 }
 
-#if VERSION >= VERSION_NTSC_1_0
-GLOBAL_ASM(
-glabel func0f0a70f8
-/*  f0a70f8:	3c04800a */ 	lui	$a0,%hi(g_Fireslots)
-/*  f0a70fc:	2403ffff */ 	addiu	$v1,$zero,-1
-/*  f0a7100:	2484d150 */ 	addiu	$a0,$a0,%lo(g_Fireslots)
-/*  f0a7104:	00001025 */ 	or	$v0,$zero,$zero
-/*  f0a7108:	24050014 */ 	addiu	$a1,$zero,0x14
-.L0f0a710c:
-/*  f0a710c:	8c8e0000 */ 	lw	$t6,0x0($a0)
-/*  f0a7110:	05c10004 */ 	bgez	$t6,.L0f0a7124
-/*  f0a7114:	240fffff */ 	addiu	$t7,$zero,-1
-/*  f0a7118:	ac800000 */ 	sw	$zero,0x0($a0)
-/*  f0a711c:	03e00008 */ 	jr	$ra
-/*  f0a7120:	a08f0004 */ 	sb	$t7,0x4($a0)
-.L0f0a7124:
-/*  f0a7124:	24420001 */ 	addiu	$v0,$v0,0x1
-/*  f0a7128:	1445fff8 */ 	bne	$v0,$a1,.L0f0a710c
-/*  f0a712c:	24840030 */ 	addiu	$a0,$a0,0x30
-/*  f0a7130:	03e00008 */ 	jr	$ra
-/*  f0a7134:	00601025 */ 	or	$v0,$v1,$zero
-);
-#else
-GLOBAL_ASM(
-glabel func0f0a70f8
-/*  f0a4e3c:	3c04800a */ 	lui	$a0,0x800a
-/*  f0a4e40:	2403ffff */ 	addiu	$v1,$zero,-1
-/*  f0a4e44:	24841888 */ 	addiu	$a0,$a0,0x1888
-/*  f0a4e48:	00001025 */ 	or	$v0,$zero,$zero
-/*  f0a4e4c:	24050014 */ 	addiu	$a1,$zero,0x14
-.NB0f0a4e50:
-/*  f0a4e50:	8c8e0000 */ 	lw	$t6,0x0($a0)
-/*  f0a4e54:	05c10006 */ 	bgez	$t6,.NB0f0a4e70
-/*  f0a4e58:	240fffff */ 	addiu	$t7,$zero,-1
-/*  f0a4e5c:	ac800000 */ 	sw	$zero,0x0($a0)
-/*  f0a4e60:	ac800004 */ 	sw	$zero,0x4($a0)
-/*  f0a4e64:	ac800008 */ 	sw	$zero,0x8($a0)
-/*  f0a4e68:	03e00008 */ 	jr	$ra
-/*  f0a4e6c:	a08f000c */ 	sb	$t7,0xc($a0)
-.NB0f0a4e70:
-/*  f0a4e70:	24420001 */ 	addiu	$v0,$v0,0x1
-/*  f0a4e74:	1445fff6 */ 	bne	$v0,$a1,.NB0f0a4e50
-/*  f0a4e78:	24840038 */ 	addiu	$a0,$a0,0x38
-/*  f0a4e7c:	03e00008 */ 	jr	$ra
-/*  f0a4e80:	00601025 */ 	or	$v0,$v1,$zero
-);
+s32 func0f0a70f8(void)
+{
+	s32 index = -1;
+	s32 i;
+
+	for (i = 0; i < ARRAYCOUNT(g_Fireslots); i++) {
+		if (g_Fireslots[i].unk00 < 0) {
+			g_Fireslots[i].unk00 = 0;
+
+#if VERSION < VERSION_NTSC_1_0
+			g_Fireslots[i].unk04nb = 0;
+			g_Fireslots[i].unk08nb = 0;
 #endif
 
+			g_Fireslots[i].beam.age = -1;
+			index = i;
+			break;
+		}
+	}
+
+	return index;
+}
+
 #if VERSION >= VERSION_PAL_FINAL
 GLOBAL_ASM(
 glabel func0f0a7138
diff --git a/src/include/game/game_097ba0.h b/src/include/game/game_097ba0.h
index 3bcc21a6b..7161c4865 100644
--- a/src/include/game/game_097ba0.h
+++ b/src/include/game/game_097ba0.h
@@ -134,7 +134,7 @@ u32 func0f0a5300(void);
 u32 func0f0a5550(void);
 u32 func0f0a695c(void);
 u32 func0f0a6c30(void);
-u32 func0f0a70f8(void);
+s32 func0f0a70f8(void);
 void func0f0a7138(Gfx **gdl);
 struct audiohandle **func0f0a7d5c(void);
 void func0f0a7d98(struct shorthand *hand, struct prop *prop, s32 arg2);
diff --git a/src/include/types.h b/src/include/types.h
index cb09d0818..cd4bbd6bf 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -3791,6 +3791,10 @@ struct fireslotthing {
 
 struct fireslot {
 	/*0x00*/ s32 unk00;
+#if VERSION < VERSION_NTSC_1_0
+	s32 unk04nb;
+	s32 unk08nb;
+#endif
 	/*0x04*/ struct beam beam;
 };