diff --git a/asm/link_rfu.s b/asm/link_rfu.s
index 64f564d08..d1eb8c9d2 100644
--- a/asm/link_rfu.s
+++ b/asm/link_rfu.s
@@ -5,70 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800CEB0
-sub_800CEB0: @ 800CEB0
-	push {r4-r7,lr}
-	sub sp, 0x4
-	lsls r0, 16
-	lsrs r6, r0, 16
-	ldr r4, =gUnknown_03004140
-	ldrb r7, [r4, 0xE]
-	movs r0, 0
-	strb r0, [r4, 0xE]
-	movs r0, 0x1
-	strb r0, [r4, 0xF]
-	ldr r0, =gUnknown_03007890
-	ldr r0, [r0]
-	ldrb r5, [r0]
-	cmp r5, 0
-	bne _0800CEEC
-	adds r0, r6, 0
-	bl sub_800C36C
-	ldrb r0, [r4, 0x2]
-	cmp r0, 0x1
-	beq _0800CF04
-	bl sub_800D610
-	strb r5, [r4, 0xF]
-	strb r7, [r4, 0xE]
-	b _0800CF28
-	.pool
-_0800CEEC:
-	mov r0, sp
-	bl rfu_UNI_PARENT_getDRAC_ACK
-	lsls r0, 16
-	cmp r0, 0
-	bne _0800CF04
-	mov r1, sp
-	ldrb r0, [r4, 0x3]
-	ldrb r1, [r1]
-	orrs r0, r1
-	ldrb r1, [r4, 0x3]
-	strb r0, [r4, 0x3]
-_0800CF04:
-	ldr r4, =gUnknown_03004140
-	ldr r1, [r4, 0x44]
-	cmp r1, 0
-	beq _0800CF20
-	adds r0, r6, 0
-	bl _call_via_r1
-	bl rfu_waitREQComplete
-	ldrb r0, [r4, 0x2]
-	cmp r0, 0x2
-	bne _0800CF20
-	bl sub_800D610
-_0800CF20:
-	ldr r1, =gUnknown_03004140
-	movs r0, 0
-	strb r0, [r1, 0xF]
-	strb r7, [r1, 0xE]
-_0800CF28:
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800CEB0
-
 	thumb_func_start sub_800CF34
 sub_800CF34: @ 800CF34
 	push {r4-r7,lr}
diff --git a/include/librfu.h b/include/librfu.h
index 65e981dda..7891f8679 100644
--- a/include/librfu.h
+++ b/include/librfu.h
@@ -183,3 +183,4 @@ u8 rfu_NI_CHILD_setSendGameName(u8 a0, u8 a1);
 void rfu_clearSlot(u8 a0, u8 a1);
 bool16 rfu_CHILD_getConnectRecoveryStatus(u8 *status);
 bool16 rfu_getConnectParentStatus(u8 *status, u8 *a1);
+bool16 rfu_UNI_PARENT_getDRAC_ACK(u8 *a0);
diff --git a/include/link_rfu.h b/include/link_rfu.h
index 69c7d2e2b..8634a4706 100644
--- a/include/link_rfu.h
+++ b/include/link_rfu.h
@@ -74,7 +74,7 @@ struct UnkRfuStruct_1 {
     /* 0x034 */ u16 unk_34[4];
     /* 0x03c */ struct UnkLinkRfuStruct_02022B2C *unk_3c;
     /* 0x040 */ void (*unk_40)(u8);
-    /* 0x044 */ void (*unk_44)(void);
+    /* 0x044 */ void (*unk_44)(u16);
     /* 0x048 */ u8 filler_48[0xe78];
 };
 
diff --git a/src/link_rfu.c b/src/link_rfu.c
index 12ec3e708..5beb7c88b 100644
--- a/src/link_rfu.c
+++ b/src/link_rfu.c
@@ -84,7 +84,7 @@ void rfu_REQ_sendData_wrapper(u8 r2)
     rfu_REQ_sendData(r2);
 }
 
-int sub_800BF4C(void (*func1)(u8), void (*func2)(void))
+int sub_800BF4C(void (*func1)(u8), void (*func2)(u16))
 {
     if (func1 == NULL)
     {
@@ -976,3 +976,42 @@ void sub_800C7B4(u16 r8, u16 r6)
         sub_800D610();
     }
 }
+
+void sub_800CEB0(u16 r6)
+{
+    u8 r7;
+    u8 sp0;
+
+    r7 = gUnknown_03004140.unk_0e;
+    gUnknown_03004140.unk_0e = 0;
+    gUnknown_03004140.unk_0f = 1;
+    if (gUnknown_03007890->unk_00 == 0)
+    {
+        sub_800C36C(r6);
+        if (gUnknown_03004140.unk_02 != 1)
+        {
+            sub_800D610();
+            gUnknown_03004140.unk_0f = 0;
+            gUnknown_03004140.unk_0e = r7;
+            return;
+        }
+    }
+    else
+    {
+        if (!rfu_UNI_PARENT_getDRAC_ACK(&sp0))
+        {
+            gUnknown_03004140.unk_03 |= sp0;
+        }
+    }
+    if (gUnknown_03004140.unk_44 != NULL)
+    {
+        gUnknown_03004140.unk_44(r6);
+        rfu_waitREQComplete();
+        if (gUnknown_03004140.unk_02 == 2)
+        {
+            sub_800D610();
+        }
+    }
+    gUnknown_03004140.unk_0f = 0;
+    gUnknown_03004140.unk_0e = r7;
+}