diff --git a/src/game/game_1531a0.c b/src/game/game_1531a0.c
index 9aa511d29..85d147c4e 100644
--- a/src/game/game_1531a0.c
+++ b/src/game/game_1531a0.c
@@ -3549,7 +3549,7 @@ glabel func0f154f38
 /*  f154d7c:	55c00006 */ 	bnezl	$t6,.JF0f154d98
 /*  f154d80:	96390000 */ 	lhu	$t9,0x0($s1)
 /*  f154d84:	94c40000 */ 	lhu	$a0,0x0($a2)
-/*  f154d88:	0fc5b967 */ 	jal	func0f16e3fc
+/*  f154d88:	0fc5b967 */ 	jal	lang0f16e3fc
 /*  f154d8c:	2484ff80 */ 	addiu	$a0,$a0,-128
 /*  f154d90:	ae220008 */ 	sw	$v0,0x8($s1)
 /*  f154d94:	96390000 */ 	lhu	$t9,0x0($s1)
@@ -4978,7 +4978,7 @@ glabel func0f1552d4
 /*  f155624:	24040002 */ 	addiu	$a0,$zero,0x2
 /*  f155628:	248c0080 */ 	addiu	$t4,$a0,0x80
 .L0f15562c:
-/*  f15562c:	0fc5b8ff */ 	jal	func0f16e3fc
+/*  f15562c:	0fc5b8ff */ 	jal	lang0f16e3fc
 /*  f155630:	a3ac0080 */ 	sb	$t4,0x80($sp)
 /*  f155634:	afa20088 */ 	sw	$v0,0x88($sp)
 /*  f155638:	26100002 */ 	addiu	$s0,$s0,0x2
@@ -5127,7 +5127,7 @@ glabel func0f15568c
 /*  f1556c4:	962f0000 */ 	lhu	$t7,0x0($s1)
 /*  f1556c8:	96240000 */ 	lhu	$a0,0x0($s1)
 /*  f1556cc:	afac00b0 */ 	sw	$t4,0xb0($sp)
-/*  f1556d0:	0fc5b967 */ 	jal	func0f16e3fc
+/*  f1556d0:	0fc5b967 */ 	jal	lang0f16e3fc
 /*  f1556d4:	2484ff80 */ 	addiu	$a0,$a0,-128
 /*  f1556d8:	8fac00b0 */ 	lw	$t4,0xb0($sp)
 /*  f1556dc:	3c0d8008 */ 	lui	$t5,0x8008
@@ -9518,7 +9518,7 @@ glabel textRenderProjected
 /*  f1565a0:	24040002 */ 	addiu	$a0,$zero,0x2
 /*  f1565a4:	248f0080 */ 	addiu	$t7,$a0,0x80
 .L0f1565a8:
-/*  f1565a8:	0fc5b8ff */ 	jal	func0f16e3fc
+/*  f1565a8:	0fc5b8ff */ 	jal	lang0f16e3fc
 /*  f1565ac:	a3af0068 */ 	sb	$t7,0x68($sp)
 /*  f1565b0:	8fb800d4 */ 	lw	$t8,0xd4($sp)
 /*  f1565b4:	8fa800dc */ 	lw	$t0,0xdc($sp)
@@ -9700,7 +9700,7 @@ glabel func0f156790
 /*  f156ba0:	57000008 */ 	bnezl	$t8,.JF0f156bc4
 /*  f156ba4:	02001025 */ 	move	$v0,$s0
 /*  f156ba8:	96240000 */ 	lhu	$a0,0x0($s1)
-/*  f156bac:	0fc5b967 */ 	jal	func0f16e3fc
+/*  f156bac:	0fc5b967 */ 	jal	lang0f16e3fc
 /*  f156bb0:	2484ff80 */ 	addiu	$a0,$a0,-128
 /*  f156bb4:	8fa90058 */ 	lw	$t1,0x58($sp)
 /*  f156bb8:	8faa005c */ 	lw	$t2,0x5c($sp)
@@ -11544,7 +11544,7 @@ glabel textRender
 /*  f1571c4:	24040002 */ 	addiu	$a0,$zero,0x2
 /*  f1571c8:	24990080 */ 	addiu	$t9,$a0,0x80
 .L0f1571cc:
-/*  f1571cc:	0fc5b8ff */ 	jal	func0f16e3fc
+/*  f1571cc:	0fc5b8ff */ 	jal	lang0f16e3fc
 /*  f1571d0:	a3b90074 */ 	sb	$t9,0x74($sp)
 /*  f1571d4:	8fab00e8 */ 	lw	$t3,0xe8($sp)
 /*  f1571d8:	8e6d0000 */ 	lw	$t5,0x0($s3)
diff --git a/src/game/lang.c b/src/game/lang.c
index c701ded22..7f13cb8bc 100644
--- a/src/game/lang.c
+++ b/src/game/lang.c
@@ -53,12 +53,12 @@ u8 *g_LangBuffer = NULL;
 u8 *g_LangBufferPos = NULL;
 s32 g_LangBufferSize = 0;
 u32 *g_LangBanks[69];
-void *var800aabb4;
+struct var800aabb4 *var800aabb4;
 struct var800aabb8 *var800aabb8;
 s32 g_LanguageId = LANGUAGE_NTSC_EN;
 #else
 u32 *g_LangBanks[69];
-void *var800aabb4;
+struct var800aabb4 *var800aabb4;
 struct var800aabb8 *var800aabb8;
 bool g_Jpn = false;
 #endif
@@ -217,7 +217,7 @@ u32 var80084810jf = 0;
 u32 var80084814jf = 8;
 
 GLOBAL_ASM(
-glabel func0f16e3fc
+glabel lang0f16e3fc
 /*  f16e59c:	27bdffd0 */ 	addiu	$sp,$sp,-48
 /*  f16e5a0:	afb00018 */ 	sw	$s0,0x18($sp)
 /*  f16e5a4:	308e2000 */ 	andi	$t6,$a0,0x2000
@@ -456,7 +456,7 @@ glabel func0f16e3fc
 );
 #else
 GLOBAL_ASM(
-glabel func0f16e3fc
+glabel lang0f16e3fc
 /*  f16e3fc:	27bdffc8 */ 	addiu	$sp,$sp,-56
 /*  f16e400:	afb00018 */ 	sw	$s0,0x18($sp)
 /*  f16e404:	308e2000 */ 	andi	$t6,$a0,0x2000
@@ -658,6 +658,76 @@ glabel func0f16e3fc
 );
 #endif
 
+extern u8 _jpndata1;
+extern u8 _jpndata2;
+
+// Mismatch: Regalloc. The if (1) solves a-regalloc but not t-regalloc,
+// and moving it down one line solves t-regalloc but not a-regalloc.
+//struct var800aabb4 *lang0f16e3fc(s32 arg0)
+//{
+//	s32 i;
+//	s32 t2 = -1;
+//	s32 t3 = -1;
+//	bool t0 = false;
+//
+//	if (arg0 & 0x2000) {
+//		t0 = true;
+//	}
+//
+//	for (i = 0; i < 0x7c; i++) {
+//		if ((t0 || (arg0 >> 1) != var800aabb8[i].unk00_02)
+//				&& (!t0 || i + 1 >= 0x7c
+//					|| (arg0 >> 1) != var800aabb8[i + 0].unk00_02
+//					|| (arg0 >> 1) != var800aabb8[i + 1].unk00_02)) {
+//			if (var800aabb8[i].unk00_00 == 0) {
+//				if (1);
+//				t2 = i;
+//			}
+//
+//			if (var800aabb8[i].unk00_00 == 0 && var800aabb8[i + 1].unk00_00 == 0 && i + 1 < 0x7c) {
+//				t3 = i;
+//			}
+//		} else {
+//			break;
+//		}
+//	}
+//
+//	if (i < 0x7c) {
+//		if (!t0) {
+//			var800aabb8[i].unk00_00 = 2;
+//
+//			return &var800aabb4[i];
+//		} else {
+//			var800aabb8[i + 0].unk00_00 = 2;
+//			var800aabb8[i + 1].unk00_00 = 2;
+//
+//			return &var800aabb4[i];
+//		}
+//	}
+//
+//	if (!t0 && t2 >= 0) {
+//		var800aabb8[t2].unk00_00 = 2;
+//		var800aabb8[t2].unk00_02 = arg0 >> 1;
+//
+//		dmaExec(&var800aabb4[t2], (u32)&_jpndata1 + (arg0 >> 1) * 0x60, 0x60);
+//
+//		return &var800aabb4[t2];
+//	}
+//
+//	if (t0 && t3 >= 0) {
+//		var800aabb8[t3 + 0].unk00_00 = 2;
+//		var800aabb8[t3 + 1].unk00_00 = 2;
+//		var800aabb8[t3 + 0].unk00_02 = arg0 >> 1;
+//		var800aabb8[t3 + 1].unk00_02 = arg0 >> 1;
+//
+//		dmaExec(&var800aabb4[t3], (u32)&_jpndata2 + ((arg0 & 0x1fff) >> 1) * 0x80, 0x80);
+//
+//		return &var800aabb4[t3];
+//	}
+//
+//	return &var800aabb4[0];
+//}
+
 /**
  * NTSC only supports English, while PAL supports 4 languages and JPN has its
  * own. Each English file is followed immediately by the other translations.
diff --git a/src/include/bss.h b/src/include/bss.h
index da432f8a7..7806d810d 100644
--- a/src/include/bss.h
+++ b/src/include/bss.h
@@ -248,7 +248,7 @@ extern u32 g_AudioXReasonsActive[4];
 extern s32 g_MusicXReasonMinDurations[4];
 extern s32 g_MusicXReasonMaxDurations[4];
 extern u32 *g_LangBanks[69];
-extern void *var800aabb4;
+extern struct var800aabb4 *var800aabb4;
 extern struct var800aabb8 *var800aabb8;
 extern struct texture *g_Textures;
 extern struct texturething var800aabc8;
diff --git a/src/include/game/lang.h b/src/include/game/lang.h
index 759484c48..d1f1bb630 100644
--- a/src/include/game/lang.h
+++ b/src/include/game/lang.h
@@ -8,7 +8,7 @@ void langInit(void);
 void langTick(void);
 
 u32 langGetLangBankIndexFromStagenum(s32 stagenum);
-u32 func0f16e3fc(void);
+struct var800aabb4 *lang0f16e3fc(s32 arg0);
 s32 langGetFileNumOffset(void);
 s32 langGetFileId(s32 bank);
 void langLoad(s32 bank);