From fcb8c8cf32f424bf83c8e95555ac41598e71104c Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Mon, 13 Nov 2017 01:12:34 -0500
Subject: [PATCH] through sub_800B524

---
 asm/link.s         | 57 ----------------------------------------------
 include/link.h     | 42 +++++++++++++++++-----------------
 include/link_rfu.h |  1 +
 src/link.c         | 29 +++++++++++++++++++++++
 4 files changed, 51 insertions(+), 78 deletions(-)

diff --git a/asm/link.s b/asm/link.s
index 6c7b3ff4a..c1e8a4904 100644
--- a/asm/link.s
+++ b/asm/link.s
@@ -5,63 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800B4DC
-sub_800B4DC: @ 800B4DC
-	push {lr}
-	ldr r0, =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0800B4FC
-	ldr r0, =gLink
-	ldr r1, =0x00000fbd
-	adds r0, r1
-	ldrb r0, [r0]
-	b _0800B500
-	.pool
-_0800B4FC:
-	bl sub_80124D4
-_0800B500:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800B4DC
-
-	thumb_func_start sub_800B504
-sub_800B504: @ 800B504
-	push {lr}
-	bl sub_800B4DC
-	cmp r0, 0x2
-	bhi _0800B512
-	movs r0, 0
-	b _0800B514
-_0800B512:
-	movs r0, 0x1
-_0800B514:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800B504
-
-	thumb_func_start sub_800B518
-sub_800B518: @ 800B518
-	ldr r0, =gWirelessCommType
-	ldrb r0, [r0]
-	bx lr
-	.pool
-	thumb_func_end sub_800B518
-
-	thumb_func_start sub_800B524
-sub_800B524: @ 800B524
-	push {lr}
-	ldrb r1, [r0, 0x10]
-	strb r1, [r0, 0x12]
-	adds r2, r0, 0
-	adds r2, 0x8
-	ldrb r1, [r0, 0x1A]
-	adds r0, r2, 0
-	bl ConvertInternationalString
-	pop {r0}
-	bx r0
-	thumb_func_end sub_800B524
-
 	thumb_func_start DisableSerial
 DisableSerial: @ 800B53C
 	push {lr}
diff --git a/include/link.h b/include/link.h
index 50a74e612..edbf0be38 100644
--- a/include/link.h
+++ b/include/link.h
@@ -104,9 +104,9 @@ struct LinkPlayerBlock
 
 struct SendQueue
 {
-    u16 data[CMD_LENGTH][QUEUE_CAPACITY];
-    u8 pos;
-    u8 count;
+    /* 0x000 */ u16 data[CMD_LENGTH][QUEUE_CAPACITY];
+    /* 0x320 */ u8 pos;
+    /* 0x321 */ u8 count;
 };
 
 struct RecvQueue
@@ -118,29 +118,29 @@ struct RecvQueue
 
 struct Link
 {
-    u8 isMaster; // 0: slave, 8: master
-    u8 state;
-    u8 localId; // local multi-player ID
-    u8 playerCount;
-    u16 tempRecvBuffer[4];
-    bool8 receivedNothing;
-    s8 serialIntrCounter;
-    bool8 handshakeAsMaster;
-    u8 link_field_F;
+    /* 0x000 */ u8 isMaster; // 0: slave, 8: master
+    /* 0x001 */ u8 state;
+    /* 0x002 */ u8 localId; // local multi-player ID
+    /* 0x003 */ u8 playerCount;
+    /* 0x004 */ u16 tempRecvBuffer[4];
+    /* 0x00c */ bool8 receivedNothing;
+    /* 0x00d */ s8 serialIntrCounter;
+    /* 0x00e */ bool8 handshakeAsMaster;
+    /* 0x00f */ u8 link_field_F;
 
     // error conditions
-    bool8 hardwareError; // hardware reported an error
-    bool8 badChecksum; // checksum didn't match between devices
-    u8 queueFull; // send or recv queue out of space
-    u8 lag; // connection is lagging
+    /* 0x010 */ bool8 hardwareError; // hardware reported an error
+    /* 0x011 */ bool8 badChecksum; // checksum didn't match between devices
+    /* 0x012 */ u8 queueFull; // send or recv queue out of space
+    /* 0x013 */ u8 lag; // connection is lagging
 
-    u16 checksum;
+    /* 0x014 */ u16 checksum;
 
-    u8 sendCmdIndex;
-    u8 recvCmdIndex;
+    /* 0x016 */ u8 sendCmdIndex;
+    /* 0x017 */ u8 recvCmdIndex;
 
-    struct SendQueue sendQueue;
-    struct RecvQueue recvQueue;
+    /* 0x018 */ struct SendQueue sendQueue;
+    /* 0x33c */ struct RecvQueue recvQueue;
 };
 
 struct BlockRequest
diff --git a/include/link_rfu.h b/include/link_rfu.h
index a63e07745..2062b3a79 100644
--- a/include/link_rfu.h
+++ b/include/link_rfu.h
@@ -30,5 +30,6 @@ void sub_800E6D0(void);
 bool32 sub_8010EC0(void);
 bool32 sub_8010F1C(void);
 bool32 sub_800F0B8(void);
+u32 sub_80124D4(void);
 
 #endif //GUARD_LINK_RFU_H
diff --git a/src/link.c b/src/link.c
index 44d96937e..266c7109d 100644
--- a/src/link.c
+++ b/src/link.c
@@ -1866,3 +1866,32 @@ void sub_800B4C0(void)
         gWirelessCommType = 0;
     }
 }
+
+u32 sub_800B4DC(void)
+{
+    if (gWirelessCommType != 0)
+    {
+        return sub_80124D4();
+    }
+    return gLink.recvQueue.count;
+}
+
+bool8 sub_800B504(void)
+{
+    if (sub_800B4DC() > 2)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+u8 sub_800B518(void)
+{
+    return gWirelessCommType;
+}
+
+void sub_800B524(struct LinkPlayer *player)
+{
+    player->name[10] = player->name[8];
+    ConvertInternationalString(player->name, player->language);
+}