sub_800F4F0

4 files changed, 49 insertions, 146 deletions

diff --git a/asm/link_rfu.s b/asm/link_rfu.s
index c88c29329..da233b86b 100644
--- a/asm/link_rfu.s
+++ b/asm/link_rfu.s
@@ -5,151 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800F4F0
-sub_800F4F0: @ 800F4F0
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x58
-	ldr r0, =gUnknown_03005000+0x124
-	mov r1, sp
-	bl sub_800D934
-	movs r1, 0
-	ldr r0, =gRecvCmds
-	mov r12, r0
-_0800F506:
-	movs r4, 0
-	lsls r0, r1, 3
-	adds r2, r1, 0x1
-	mov r8, r2
-	lsls r6, r1, 4
-	subs r0, r1
-	lsls r5, r0, 1
-_0800F514:
-	lsls r1, r4, 1
-	adds r3, r1, r6
-	add r3, r12
-	adds r1, r5, r1
-	adds r0, r1, 0x1
-	add r0, sp
-	ldrb r2, [r0]
-	lsls r2, 8
-	mov r7, sp
-	adds r0, r7, r1
-	ldrb r0, [r0]
-	orrs r0, r2
-	strh r0, [r3]
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x6
-	bls _0800F514
-	mov r1, r8
-	lsls r0, r1, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x4
-	bls _0800F506
-	movs r0, 0
-	bl sub_800F86C
-	ldr r0, =gUnknown_03004140
-	ldrb r0, [r0, 0x2]
-	cmp r0, 0
-	bne _0800F5C0
-	ldr r0, =gUnknown_03005000
-	ldr r2, =0x00000ce4
-	adds r0, r2
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800F5C0
-	ldr r0, =gUnknown_03007890
-	ldr r0, [r0]
-	ldrb r1, [r0, 0x2]
-	ldrb r0, [r0, 0x3]
-	orrs r0, r1
-	bl rfu_REQ_disconnect
-	bl rfu_waitREQComplete
-	bl sub_8011A74
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _0800F58C
-	cmp r0, 0x6
-	beq _0800F58C
-	cmp r0, 0x9
-	beq _0800F58C
-	movs r1, 0x90
-	lsls r1, 8
-	movs r0, 0x2
-	bl sub_8011A64
-_0800F58C:
-	bl rfu_clearAllSlot
-	ldr r1, =gReceivedRemoteLinkPlayers
-	movs r0, 0
-	strb r0, [r1]
-	ldr r0, =gUnknown_03005000
-	movs r5, 0
-	str r5, [r0]
-	ldr r7, =0x00000ce4
-	adds r6, r0, r7
-	ldrb r0, [r6]
-	cmp r0, 0x1
-	bne _0800F5B8
-	movs r4, 0x90
-	lsls r4, 8
-	movs r0, 0x2
-	adds r1, r4, 0
-	bl sub_8011A64
-	adds r0, r4, 0
-	bl sub_8011170
-_0800F5B8:
-	ldr r0, =gUnknown_03004140
-	strb r5, [r0, 0x5]
-	strb r5, [r0, 0x4]
-	strb r5, [r6]
-_0800F5C0:
-	ldr r6, =gUnknown_03005000
-	movs r0, 0xCD
-	lsls r0, 4
-	adds r2, r6, r0
-	ldrb r0, [r2]
-	cmp r0, 0
-	beq _0800F604
-	ldrb r0, [r2]
-	subs r0, 0x1
-	ldrb r1, [r2]
-	strb r0, [r2]
-	bl sub_8010528
-	ldr r5, =gSendCmd
-	add r4, sp, 0x48
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl sub_800F498
-	ldr r1, =0x000009e8
-	adds r0, r6, r1
-	adds r1, r4, 0
-	bl sub_800D888
-	movs r1, 0
-	movs r2, 0
-_0800F5F4:
-	lsls r0, r1, 1
-	adds r0, r5
-	strh r2, [r0]
-	adds r0, r1, 0x1
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x6
-	bls _0800F5F4
-_0800F604:
-	bl sub_800F0B8
-	add sp, 0x58
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_800F4F0
-
 	thumb_func_start sub_800F638
 sub_800F638: @ 800F638
 	push {r4-r7,lr}
diff --git a/include/librfu.h b/include/librfu.h
index 9e1c2ff60..88cbe2d3d 100644
--- a/include/librfu.h
+++ b/include/librfu.h
@@ -208,6 +208,7 @@ void rfu_getRFUStatus(u8 *status);
 u8 *rfu_getSTWIRecvBuffer(void);
 u8 rfu_NI_CHILD_setSendGameName(u8 a0, u8 a1);
 void rfu_clearSlot(u8 a0, u8 a1);
+void rfu_clearAllSlot(void);
 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 3cad90fc0..80d2689ed 100644
--- a/include/link_rfu.h
+++ b/include/link_rfu.h
@@ -136,7 +136,7 @@ struct UnkRfuStruct_Sub_Unused {
 };
 
 struct UnkRfuStruct_2 {
-    /* 0x000 */ u8 filler_00[4];
+    /* 0x000 */ u32 unk_00;
     /* 0x004 */ u16 unk_04;
     /* 0x006 */ u8 filler_06[6];
     /* 0x00c */ u8 unk_0c;
diff --git a/src/link_rfu.c b/src/link_rfu.c
index 6d6099188..f8a978e1f 100644
--- a/src/link_rfu.c
+++ b/src/link_rfu.c
@@ -3144,3 +3144,50 @@ void sub_800F498(u16 *a0, u8 *a1)
             a1[i] = 0;
     }
 }
+
+bool32 sub_800F4F0(void)
+{
+    u8 i;
+    u8 j;
+    u8 sp00[MAX_RFU_PLAYERS * (2 * (CMD_LENGTH - 1))];
+    u8 sp48[2 * (CMD_LENGTH - 1)];
+    u8 switchval;
+
+    sub_800D934(&gUnknown_03005000.unk_124, sp00);
+    for (i = 0; i < MAX_RFU_PLAYERS; i++)
+    {
+        for (j = 0; j < CMD_LENGTH - 1; j++)
+        {
+            gRecvCmds[i][j] = (sp00[i * 14 + (j << 1) + 1] << 8) | sp00[i * 14 + (j << 1) + 0];
+        }
+    }
+    sub_800F86C(0);
+    if (gUnknown_03004140.unk_02 == 0 && gUnknown_03005000.unk_ce4)
+    {
+        rfu_REQ_disconnect(gUnknown_03007890->unk_02 | gUnknown_03007890->unk_03);
+        rfu_waitREQComplete();
+        switchval = sub_8011A74();
+        if (switchval != 1 && switchval != 6 && switchval != 9)
+            sub_8011A64(2, 0x9000);
+        rfu_clearAllSlot();
+        gReceivedRemoteLinkPlayers = FALSE;
+        gUnknown_03005000.unk_00 = 0;
+        if (gUnknown_03005000.unk_ce4 == 1)
+        {
+            sub_8011A64(2, 0x9000);
+            sub_8011170(0x9000);
+        }
+        gUnknown_03004140.unk_04 = gUnknown_03004140.unk_05 = 0;
+        gUnknown_03005000.unk_ce4 = 0;
+    }
+    if (gUnknown_03005000.unk_cd0)
+    {
+        gUnknown_03005000.unk_cd0--;
+        sub_8010528();
+        sub_800F498(gSendCmd, sp48);
+        sub_800D888(&gUnknown_03005000.unk_9e8, sp48);
+        for (i = 0; i < CMD_LENGTH - 1; i++)
+            gSendCmd[i] = 0;
+    }
+    return sub_800F0B8();
+}