through sub_800F0F8

asm/link_rfu.s

@@ -5,136 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800F0B8
-sub_800F0B8: @ 800F0B8
-	push {r4,lr}
-	ldr r0, =gUnknown_03007890
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x6]
-	cmp r0, 0
-	bne _0800F0CC
-_0800F0C4:
-	movs r0, 0
-	b _0800F0EC
-	.pool
-_0800F0CC:
-	movs r3, 0
-	ldr r4, =gRecvCmds
-_0800F0D0:
-	movs r2, 0
-	lsls r0, r3, 4
-	adds r1, r0, r4
-_0800F0D6:
-	ldrh r0, [r1]
-	cmp r0, 0
-	bne _0800F0C4
-	adds r1, 0x2
-	adds r2, 0x1
-	cmp r2, 0x6
-	ble _0800F0D6
-	adds r3, 0x1
-	cmp r3, 0x4
-	ble _0800F0D0
-	movs r0, 0x1
-_0800F0EC:
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_800F0B8
-
-	thumb_func_start sub_800F0F8
-sub_800F0F8: @ 800F0F8
-	push {r4-r6,lr}
-	ldr r6, =gUnknown_03005000
-	ldrh r0, [r6, 0x4]
-	cmp r0, 0x13
-	bhi _0800F118
-	bl rfu_REQ_recvData
-	bl rfu_waitREQComplete
-	movs r0, 0
-	bl rfu_REQ_sendData_wrapper
-	b _0800F1D2
-	.pool
-_0800F118:
-	ldr r0, =0x00000cdb
-	adds r1, r6, r0
-	ldrb r0, [r1]
-	movs r0, 0
-	strb r0, [r1]
-	ldr r0, =0x00000ce2
-	adds r1, r6, r0
-	ldr r0, =gUnknown_03007890
-	ldr r0, [r0]
-	ldrb r1, [r1]
-	ldrb r0, [r0, 0x2]
-	ands r0, r1
-	cmp r0, r1
-	bne _0800F1D2
-	cmp r0, 0
-	beq _0800F1D2
-	ldr r1, =0x00000cdc
-	adds r0, r6, r1
-	ldrb r0, [r0]
-	adds r5, r0, 0
-	cmp r5, 0
-	bne _0800F1C8
-	ldr r0, =0x00000ce3
-	adds r4, r6, r0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _0800F1A8
-	bl sub_8011D6C
-	strb r5, [r4]
-	ldr r1, =0x00000ce4
-	adds r0, r6, r1
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800F18C
-	movs r4, 0x80
-	lsls r4, 8
-	movs r0, 0x2
-	adds r1, r4, 0
-	bl sub_8011A64
-	adds r0, r4, 0
-	bl sub_8011170
-	b _0800F1D2
-	.pool
-_0800F18C:
-	ldr r0, =gUnknown_03004140
-	ldrb r4, [r0]
-	cmp r4, 0
-	bne _0800F1A8
-	bl sub_800EDD4
-	ldr r0, =gReceivedRemoteLinkPlayers
-	strb r4, [r0]
-	b _0800F1D2
-	.pool
-_0800F1A8:
-	bl sub_800EFB0
-	ldr r0, =gUnknown_03005000
-	ldr r1, =0x00000cda
-	adds r0, r1
-	ldrb r0, [r0]
-	bl rfu_UNI_readySendData
-	movs r0, 0x1
-	bl rfu_REQ_sendData_wrapper
-	b _0800F1CC
-	.pool
-_0800F1C8:
-	bl rfu_REQ_PARENT_resumeRetransmitAndChange
-_0800F1CC:
-	ldr r1, =gUnknown_03005000
-	movs r0, 0x1
-	strb r0, [r1, 0xE]
-_0800F1D2:
-	movs r0, 0
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_800F0F8
-
 	thumb_func_start sub_800F1E0
 sub_800F1E0: @ 800F1E0
 	push {r4-r7,lr}

include/librfu.h

@@ -221,3 +221,4 @@ bool16 rfu_UNI_setSendData(u8 flag, void *ptr, u8 size);
 void rfu_REQ_recvData(void);
 void rfu_UNI_readySendData(u8 a0);
 void rfu_UNI_clearRecvNewDataFlag(u8 a0);
+void rfu_REQ_PARENT_resumeRetransmitAndChange(void);

include/link_rfu.h

@@ -140,7 +140,8 @@ struct UnkRfuStruct_2 {
     /* 0x006 */ u8 filler_06[6];
     /* 0x00c */ u8 unk_0c;
     /* 0x00d */ u8 playerCount;
-    /* 0x00e */ u8 filler_0e[6];
+    /* 0x00e */ u8 unk_0e;
+    /* 0x00f */ u8 filler_0f[5];
     /* 0x014 */ u8 unk_14[4][14];
     /* 0x04c */ u8 unk_4c[14];
     /* 0x05a */ u8 filler_5a[13];
@@ -166,7 +167,8 @@ struct UnkRfuStruct_2 {
     /* 0xcd1 */ u8 filler_cd1[9];
     /* 0xcda */ u8 unk_cda;
     /* 0xcdb */ vu8 unk_cdb;
-    /* 0xcdc */ u8 filler_cdc[2];
+    /* 0xcdc */ vu8 unk_cdc;
+    /* 0xcdd */ u8 unk_cdd;
     /* 0xcde */ u8 unk_cde[4];
     /* 0xce2 */ u8 unk_ce2;
     /* 0xce2 */ u8 unk_ce3;

src/link_rfu.c

@@ -62,7 +62,9 @@ void sub_801084C(u8 taskId);
 void sub_8010AAC(u8 taskId);
 void sub_8010D0C(u8 taskId);
 void sub_8011068(u8 a0);
-void sub_8011A64(u8 a0, u8 a1);
+void sub_8011170(u32 a0);
+void sub_8011A64(u8 a0, u16 a1);
+void sub_8011D6C(u8 a0);
 u8 sub_8012224(void);
 void sub_801227C(void);
 
@@ -2963,3 +2965,71 @@ static void sub_800F048(void)
         sub_800DA68(&gUnknown_03005000.unk_c1c, gUnknown_03005000.unk_4c);
     }
 }
+
+bool32 sub_800F0B8(void)
+{
+    int i;
+    int j;
+
+    if (gUnknown_03007890->unk_06 == 0)
+    {
+        return FALSE;
+    }
+    for (i = 0; i < 5; i++)
+    {
+        for (j = 0; j < 7; j++)
+        {
+            if (gRecvCmds[i][j] != 0)
+            {
+                return FALSE;
+            }
+        }
+    }
+    return TRUE;
+}
+
+bool32 sub_800F0F8(void)
+{
+    if (gUnknown_03005000.unk_04 < 20)
+    {
+        rfu_REQ_recvData();
+        rfu_waitREQComplete();
+        rfu_REQ_sendData_wrapper(0);
+    }
+    else
+    {
+        gUnknown_03005000.unk_cdb = 0;
+        if ((gUnknown_03005000.unk_ce2 & gUnknown_03007890->unk_02) == gUnknown_03005000.unk_ce2 && (gUnknown_03005000.unk_ce2 & gUnknown_03007890->unk_02))
+        {
+            if (!gUnknown_03005000.unk_cdc)
+            {
+                if (gUnknown_03005000.unk_ce3)
+                {
+                    sub_8011D6C(gUnknown_03005000.unk_ce3);
+                    gUnknown_03005000.unk_ce3 = 0;
+                    if (gUnknown_03005000.unk_ce4 == 1)
+                    {
+                        sub_8011A64(2, 0x8000);
+                        sub_8011170(0x8000);
+                        return FALSE;
+                    }
+                    if (!gUnknown_03004140.unk_00)
+                    {
+                        sub_800EDD4();
+                        gReceivedRemoteLinkPlayers = 0;
+                        return FALSE;
+                    }
+                }
+                sub_800EFB0();
+                rfu_UNI_readySendData(gUnknown_03005000.unk_cda);
+                rfu_REQ_sendData_wrapper(1);
+            }
+            else
+            {
+                rfu_REQ_PARENT_resumeRetransmitAndChange();
+            }
+            gUnknown_03005000.unk_0e = 1;
+        }
+    }
+    return FALSE;
+}