4 files changed, 42 insertions, 63 deletions
diff --git a/arm9/asm/unk_0200AA80.s b/arm9/asm/unk_0200AA80.s
index ccf022f4..165a789e 100644
--- a/arm9/asm/unk_0200AA80.s
+++ b/arm9/asm/unk_0200AA80.s
@@ -5,9 +5,9 @@
 
 	.global UNK_020ECE64
 UNK_020ECE64: ; 0x020ECE64
-	.short 0x017E
-	.short 0x0180
-	.short 0x017F
+	.short 0x017E ; Locations
+	.short 0x0180 ; Gifts/trades
+	.short 0x017F ; Events
 
 	.balign 4
 	.global UNK_020ECE6C
diff --git a/arm9/asm/unk_02015CC0.s b/arm9/asm/unk_02015CC0.s
deleted file mode 100644
index 32de27da..00000000
--- a/arm9/asm/unk_02015CC0.s
+++ /dev/null
@@ -1,60 +0,0 @@
-    .include "asm/macros.inc"
-    .include "global.inc"
-
-	.section .rodata
-
-	.global UNK_020ED72C
-UNK_020ED72C: ; 0x020ED72C
-	.byte 0x00, 0x00, 0xD0, 0x07, 0xB8, 0x0B, 0x00, 0x00
-
-	.text
-
-	thumb_func_start FUN_02015CC0
-FUN_02015CC0: ; 0x02015CC0
-	ldr r3, _02015CDC ; =UNK_020ED72C
-	mov r2, #0x0
-_02015CC4:
-	ldrh r1, [r3, #0x2]
-	cmp r0, r1
-	bhs _02015CCE
-	add r0, r2, #0x0
-	bx lr
-_02015CCE:
-	add r2, r2, #0x1
-	add r3, r3, #0x2
-	cmp r2, #0x2
-	blt _02015CC4
-	add r0, r2, #0x0
-	bx lr
-	nop
-_02015CDC: .word UNK_020ED72C
-
-	thumb_func_start FUN_02015CE0
-FUN_02015CE0: ; 0x02015CE0
-	push {r4, lr}
-	add r4, r0, #0x0
-	bl FUN_02015CC0
-	lsl r1, r0, #0x1
-	ldr r0, _02015CF4 ; =UNK_020ED72C
-	ldrh r0, [r0, r1]
-	sub r0, r4, r0
-	pop {r4, pc}
-	nop
-_02015CF4: .word UNK_020ED72C
-
-	thumb_func_start FUN_02015CF8
-FUN_02015CF8: ; 0x02015CF8
-	push {r3-r5, lr}
-	add r5, r0, #0x0
-	add r4, r1, #0x0
-	cmp r5, #0x3
-	blt _02015D06
-	bl ErrorHandling
-_02015D06:
-	ldr r0, _02015D10 ; =UNK_020ED72C
-	lsl r1, r5, #0x1
-	ldrh r0, [r0, r1]
-	add r0, r4, r0
-	pop {r3-r5, pc}
-	.balign 4
-_02015D10: .word UNK_020ED72C
diff --git a/arm9/src/unk_02015CC0.c b/arm9/src/unk_02015CC0.c
new file mode 100644
index 00000000..5da221d0
--- /dev/null
+++ b/arm9/src/unk_02015CC0.c
@@ -0,0 +1,31 @@
+#include "global.h"
+#include "unk_02015CC0.h"
+
+#pragma thumb on
+
+const u16 UNK_020ED72C[] = {
+       0,
+    2000,
+    3000
+};
+
+int FUN_02015CC0(u16 a0)
+{
+    int i;
+    for (i = 0; i < (int)NELEMS(UNK_020ED72C) - 1; i++) {
+        if (a0 < UNK_020ED72C[i + 1])
+            return i;
+    }
+    return i;
+}
+
+int FUN_02015CE0(u16 a0)
+{
+    return a0 - UNK_020ED72C[FUN_02015CC0(a0)];
+}
+
+int FUN_02015CF8(int a0, int a1)
+{
+    GF_ASSERT(a0 < (int)NELEMS(UNK_020ED72C));
+    return a1 + UNK_020ED72C[a0];
+}
diff --git a/include/unk_02015CC0.h b/include/unk_02015CC0.h
new file mode 100644
index 00000000..206afe6f
--- /dev/null
+++ b/include/unk_02015CC0.h
@@ -0,0 +1,8 @@
+#ifndef POKEDIAMOND_UNK_02015CC0_H
+#define POKEDIAMOND_UNK_02015CC0_H
+
+int FUN_02015CC0(u16 a0);
+int FUN_02015CE0(u16 a0);
+int FUN_02015CF8(int a0, int a1);
+
+#endif //POKEDIAMOND_UNK_02015CC0_H