through sub_8010528

asm/link_rfu.s

@@ -5,338 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_80102B8
-sub_80102B8: @ 80102B8
-	push {r4,r5,lr}
-	bl GetMultiplayerId
-	lsls r0, 24
-	cmp r0, 0
-	beq _080102E6
-	ldr r1, =gUnknown_03005000
-	ldr r2, =0x000009e6
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	adds r4, r0, 0
-	cmp r4, 0
-	bne _080102E6
-	adds r5, r1, 0
-	adds r5, 0xFE
-	ldrh r0, [r5]
-	cmp r0, 0x3C
-	bls _080102E6
-	movs r0, 0xCC
-	lsls r0, 7
-	bl sub_800FD14
-	strh r4, [r5]
-_080102E6:
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r1, 0
-	cmp r1, r2
-	bcs _08010312
-	ldr r0, =gUnknown_03005000
-	adds r3, r0, 0
-	adds r3, 0xE9
-	ldrb r0, [r3]
-	cmp r0, 0
-	beq _08010312
-_08010300:
-	adds r0, r1, 0x1
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, r2
-	bcs _08010312
-	adds r0, r1, r3
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _08010300
-_08010312:
-	ldr r4, =gUnknown_03005000
-	cmp r1, r2
-	bne _0801033E
-	movs r1, 0
-	adds r3, r4, 0
-	adds r3, 0xE9
-	movs r2, 0
-_08010320:
-	adds r0, r1, r3
-	strb r2, [r0]
-	adds r0, r1, 0x1
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x4
-	bls _08010320
-	movs r1, 0x80
-	lsls r1, 1
-	adds r0, r4, r1
-	ldrh r1, [r0]
-	adds r1, 0x1
-	movs r2, 0
-	strh r1, [r0]
-	str r2, [r4]
-_0801033E:
-	adds r1, r4, 0
-	adds r1, 0xFE
-	ldrh r0, [r1]
-	adds r0, 0x1
-	strh r0, [r1]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80102B8
-
-	thumb_func_start sub_8010358
-sub_8010358: @ 8010358
-	push {r4,lr}
-	ldr r4, =gUnknown_03005000
-	ldr r1, =0x000009e6
-	adds r0, r4, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0801037A
-	ldr r0, =gSendCmd
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0801037A
-	movs r0, 0xCC
-	lsls r0, 7
-	bl sub_800FD14
-	ldr r0, =sub_80102B8
-	str r0, [r4]
-_0801037A:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8010358
-
-	thumb_func_start sub_8010390
-sub_8010390: @ 8010390
-	push {r4,lr}
-	bl GetMultiplayerId
-	lsls r0, 24
-	cmp r0, 0
-	beq _080103CC
-	ldr r4, =gUnknown_03005000
-	ldr r1, =0x000009e6
-	adds r0, r4, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0801041E
-	ldr r0, =gSendCmd
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0801041E
-	movs r0, 0xCC
-	lsls r0, 7
-	bl sub_800FD14
-	ldr r0, =sub_80102B8
-	b _0801041C
-	.pool
-_080103CC:
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r1, 0x1
-	cmp r1, r2
-	bcs _080103FA
-	ldr r3, =gUnknown_03005000
-	adds r0, r3, 0
-	adds r0, 0xEA
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _080103FA
-	adds r3, 0xE9
-_080103E8:
-	adds r0, r1, 0x1
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, r2
-	bcs _080103FA
-	adds r0, r1, r3
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _080103E8
-_080103FA:
-	cmp r1, r2
-	bne _0801041E
-	ldr r4, =gUnknown_03005000
-	ldr r1, =0x000009e6
-	adds r0, r4, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0801041E
-	ldr r0, =gSendCmd
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0801041E
-	movs r0, 0xCC
-	lsls r0, 7
-	bl sub_800FD14
-	ldr r0, =sub_8010358
-_0801041C:
-	str r0, [r4]
-_0801041E:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8010390
-
-	thumb_func_start sub_8010434
-sub_8010434: @ 8010434
-	push {lr}
-	ldr r1, =gUnknown_03005000
-	ldr r2, [r1]
-	cmp r2, 0
-	bne _08010448
-	ldr r0, =sub_8010390
-	str r0, [r1]
-	adds r0, r1, 0
-	adds r0, 0xFE
-	strh r2, [r0]
-_08010448:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8010434
-
-	thumb_func_start sub_8010454
-sub_8010454: @ 8010454
-	push {r4,lr}
-	adds r3, r0, 0
-	ldr r1, =gUnknown_082ED6E0
-	ldrh r0, [r1]
-	cmp r0, r3
-	beq _08010482
-	ldr r4, =0x0000ffff
-	adds r2, r1, 0
-_08010464:
-	ldrh r0, [r2]
-	cmp r0, r4
-	bne _08010478
-	movs r0, 0
-	b _08010484
-	.pool
-_08010478:
-	adds r1, 0x2
-	adds r2, 0x2
-	ldrh r0, [r1]
-	cmp r0, r3
-	bne _08010464
-_08010482:
-	movs r0, 0x1
-_08010484:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8010454
-
-	thumb_func_start sub_801048C
-sub_801048C: @ 801048C
-	push {lr}
-	cmp r0, 0
-	beq _080104A0
-	movs r1, 0x96
-	lsls r1, 2
-	movs r0, 0x1
-	bl sub_800D550
-	movs r0, 0
-	b _080104AC
-_080104A0:
-	movs r0, 0
-	movs r1, 0
-	bl sub_800D550
-	lsls r0, 24
-	lsrs r0, 24
-_080104AC:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_801048C
-
-	thumb_func_start sub_80104B0
-sub_80104B0: @ 80104B0
-	push {lr}
-	ldr r0, =gUnknown_03005000
-	ldr r1, =0x00000cd9
-	adds r0, r1
-	movs r1, 0x1
-	strb r1, [r0]
-	movs r0, 0
-	bl sub_800C27C
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80104B0
-
-	thumb_func_start rfu_get_multiplayer_id
-rfu_get_multiplayer_id: @ 80104D0
-	push {lr}
-	ldr r1, =gUnknown_03005000
-	ldrb r0, [r1, 0xC]
-	cmp r0, 0x1
-	beq _080104EC
-	ldr r2, =0x00000cce
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	b _080104EE
-	.pool
-_080104EC:
-	movs r0, 0
-_080104EE:
-	pop {r1}
-	bx r1
-	thumb_func_end rfu_get_multiplayer_id
-
-	thumb_func_start sub_80104F4
-sub_80104F4: @ 80104F4
-	ldr r0, =gUnknown_03005000
-	ldrb r0, [r0, 0xD]
-	bx lr
-	.pool
-	thumb_func_end sub_80104F4
-
-	thumb_func_start sub_8010500
-sub_8010500: @ 8010500
-	push {lr}
-	ldr r2, =gUnknown_03005000
-	adds r0, r2, 0
-	adds r0, 0xF1
-	ldrb r0, [r0]
-	cmp r0, 0x2
-	bne _08010518
-	movs r0, 0
-	b _08010524
-	.pool
-_08010518:
-	movs r1, 0
-	ldr r0, [r2]
-	cmp r0, 0
-	bne _08010522
-	movs r1, 0x1
-_08010522:
-	adds r0, r1, 0
-_08010524:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8010500
-
-	thumb_func_start sub_8010528
-sub_8010528: @ 8010528
-	push {lr}
-	ldr r0, =gUnknown_03005000
-	ldr r0, [r0]
-	cmp r0, 0
-	beq _08010536
-	bl _call_via_r0
-_08010536:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8010528
-
 	thumb_func_start sub_8010540
 sub_8010540: @ 8010540
 	push {r4-r7,lr}

include/link_rfu.h

@@ -162,9 +162,10 @@ struct UnkRfuStruct_2 {
     /* 0x0e9 */ u8 unk_e9[5];
     /* 0x0ee */ vu8 unk_ee;
     /* 0x0ef */ u8 unk_ef;
-    /* 0x0f0 */ u8 filler_f0[2];
+    /* 0x0f0 */ u8 unk_f0;
+    /* 0x0f1 */ u8 unk_f1;
     /* 0x0f2 */ u16 unk_f2[6];
-    /* 0x0fe */ u8 filler_fe[2];
+    /* 0x0fe */ u16 unk_fe;
     /* 0x100 */ u16 unk_100;
     /* 0x102 */ u8 unk_102;
     /* 0x103 */ u8 filler_103[0x21];

src/link_rfu.c

@@ -62,7 +62,7 @@ void sub_800FD14(u16 command);
 void rfufunc_80F9F44(void);
 void sub_800FFB0(void);
 void rfufunc_80FA020(void);
-bool32 sub_8010454(u16 a0);
+bool32 sub_8010454(u32 a0);
 void sub_8010528(void);
 void sub_8010750(void);
 int sub_80107A0(void);
@@ -3924,7 +3924,7 @@ void sub_801022C(void)
 
 void sub_8010264(u8 taskId)
 {
-    if (gUnknown_03005000.unk_00 == 0)
+    if (gUnknown_03005000.unk_00 == NULL)
     {
         gUnknown_03005000.unk_cd9 = 1;
         gUnknown_03005000.unk_00 = sub_801022C;
@@ -3937,3 +3937,133 @@ void task_add_05_task_del_08FA224_when_no_RfuFunc(void)
     if (!FuncIsActiveTask(sub_8010264))
         CreateTask(sub_8010264, 5);
 }
+
+void sub_80102B8(void)
+{
+    u8 playerCount;
+    u8 i;
+
+    if (GetMultiplayerId() != 0)
+    {
+        u8 r4 = gUnknown_03005000.unk_124.unk_8c2;
+        if (r4 == 0 && gUnknown_03005000.unk_fe > 0x3c)
+        {
+            sub_800FD14(0x6600);
+            gUnknown_03005000.unk_fe = r4;
+        }
+    }
+    playerCount = GetLinkPlayerCount();
+    for (i = 0; i < playerCount; i++)
+    {
+        if (gUnknown_03005000.unk_e9[i] == 0)
+            break;
+    }
+    if (i == playerCount)
+    {
+        for (i = 0; i < MAX_RFU_PLAYERS; i++)
+            gUnknown_03005000.unk_e9[i] = 0;
+        gUnknown_03005000.unk_100++;
+        gUnknown_03005000.unk_00 = NULL;
+    }
+    gUnknown_03005000.unk_fe++;
+}
+
+void sub_8010358(void)
+{
+    if (gUnknown_03005000.unk_124.unk_8c2 == 0 && gSendCmd[0] == 0)
+    {
+        sub_800FD14(0x6600);
+        gUnknown_03005000.unk_00 = sub_80102B8;
+    }
+}
+
+void sub_8010390(void)
+{
+    u8 i;
+    u8 playerCount;
+
+    if (GetMultiplayerId() != 0)
+    {
+        if (gUnknown_03005000.unk_124.unk_8c2 == 0 && gSendCmd[0] == 0)
+        {
+            sub_800FD14(0x6600);
+            gUnknown_03005000.unk_00 = sub_80102B8;
+        }
+    }
+    else
+    {
+        playerCount = GetLinkPlayerCount();
+        for (i = 1; i < playerCount; i++)
+        {
+            if (gUnknown_03005000.unk_e9[i] == 0)
+                break;
+        }
+        if (i == playerCount)
+        {
+            if (gUnknown_03005000.unk_124.unk_8c2 == 0 && gSendCmd[0] == 0)
+            {
+                sub_800FD14(0x6600);
+                gUnknown_03005000.unk_00 = sub_8010358;
+            }
+        }
+    }
+}
+
+void sub_8010434(void)
+{
+    if (gUnknown_03005000.unk_00 == NULL)
+    {
+        gUnknown_03005000.unk_00 = sub_8010390;
+        gUnknown_03005000.unk_fe = 0;
+    }
+}
+
+bool32 sub_8010454(u32 a0)
+{
+    int i;
+    for (i = 0; gUnknown_082ED6E0[i] != a0; i++)
+    {
+        if (gUnknown_082ED6E0[i] == 0xffff)
+            return FALSE;
+    }
+    return TRUE;
+}
+
+u8 sub_801048C(bool32 a0)
+{
+    if (a0 == 0)
+        return sub_800D550(0, 0);
+    sub_800D550(1, 0x258);
+    return FALSE;
+}
+
+void sub_80104B0(void)
+{
+    gUnknown_03005000.unk_cd9 = 1;
+    sub_800C27C(FALSE);
+}
+
+u8 rfu_get_multiplayer_id(void)
+{
+    if (gUnknown_03005000.unk_0c == 1)
+        return 0;
+    return gUnknown_03005000.unk_cce;
+}
+
+u8 sub_80104F4(void)
+{
+    return gUnknown_03005000.playerCount;
+}
+
+bool8 sub_8010500(void)
+{
+    if (gUnknown_03005000.unk_f1 == 2)
+        return FALSE;
+    return gUnknown_03005000.unk_00 ? FALSE : TRUE;
+}
+
+void sub_8010528(void)
+{
+    if (gUnknown_03005000.unk_00)
+        gUnknown_03005000.unk_00();
+}