From 5d85c564562a3704bebb998db83e37c5a50642a7 Mon Sep 17 00:00:00 2001
From: Henny022p <info@henny022.de>
Date: Fri, 26 Feb 2021 00:08:05 +0100
Subject: [PATCH] matched sub_080B180C...

---
 asm/code_080B1520.s | 49 ---------------------------------------------
 src/code_080B1520.c | 34 ++++++++++++++++++++++++++++++-
 2 files changed, 33 insertions(+), 50 deletions(-)

diff --git a/asm/code_080B1520.s b/asm/code_080B1520.s
index e84f6af1..757e533c 100644
--- a/asm/code_080B1520.s
+++ b/asm/code_080B1520.s
@@ -5,55 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_080B180C
-sub_080B180C: @ 0x080B180C
-	push {r4, r5, lr}
-	sub sp, #8
-	adds r4, r1, #0
-	lsls r0, r0, #0x10
-	lsrs r1, r0, #0x10
-	movs r5, #0
-	ldr r0, _080B1828 @ =gUnk_02036A50
-	ldr r0, [r0]
-	ldrh r0, [r0, #4]
-	cmp r1, r0
-	blo _080B1830
-	ldr r0, _080B182C @ =0x000080FF
-	b _080B185A
-	.align 2, 0
-_080B1828: .4byte gUnk_02036A50
-_080B182C: .4byte 0x000080FF
-_080B1830:
-	adds r0, r1, #0
-	mov r1, sp
-	bl sub_080B15E8
-	mov r2, sp
-	movs r3, #0
-	b _080B1848
-_080B183E:
-	adds r0, r3, #1
-	lsls r0, r0, #0x18
-	lsrs r3, r0, #0x18
-	cmp r3, #3
-	bhi _080B1858
-_080B1848:
-	ldrh r1, [r4]
-	ldrh r0, [r2]
-	adds r2, #2
-	adds r4, #2
-	cmp r1, r0
-	beq _080B183E
-	movs r5, #0x80
-	lsls r5, r5, #8
-_080B1858:
-	adds r0, r5, #0
-_080B185A:
-	add sp, #8
-	pop {r4, r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-
 	thumb_func_start sub_080B1864
 sub_080B1864: @ 0x080B1864
 	push {r4, r5, r6, lr}
diff --git a/src/code_080B1520.c b/src/code_080B1520.c
index 86086285..89d9f5f2 100644
--- a/src/code_080B1520.c
+++ b/src/code_080B1520.c
@@ -181,4 +181,36 @@ NONMATCH("asm/non_matching/code_080B1520/sub_080B16AC.inc", u16 sub_080B16AC(u16
     } while (unk_3 != 0);
     return 0;
 }
-END_NONMATCH
\ No newline at end of file
+END_NONMATCH
+
+u32 sub_080B180C(u16 unk_1, u16* unk_2) {
+    u16 t0, t1;
+    u32 ret;
+
+    u16 stack[4];
+    u16* ptr;
+
+    u8 i;
+
+    ret = 0;
+    if (unk_1 >= gUnk_02036A50->unk_04)
+        return 0x80ff;
+    sub_080B15E8(unk_1, stack);
+    ptr = stack;
+    i = 0;
+    goto L1;
+    L2:
+    i++;
+    if (i > 3)
+        goto RET;
+    L1:
+    t1 = *unk_2;
+    t0 = *ptr;
+    ptr++;
+    unk_2++;
+    if (t1 == t0)
+        goto L2;
+    ret = 0x8000;
+    RET:
+    return ret;
+}