From 6fe7b33ae15d33896f7808e52ca921d4f5881941 Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Sun, 12 Nov 2017 22:24:15 -0500
Subject: [PATCH] through sub_800AD10

---
 asm/link.s | 98 ------------------------------------------------------
 src/link.c | 60 ++++++++++++++++++++++++++++++++-
 2 files changed, 59 insertions(+), 99 deletions(-)

diff --git a/asm/link.s b/asm/link.s
index 63273c8b5..0ba740590 100644
--- a/asm/link.s
+++ b/asm/link.s
@@ -5,104 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800AC80
-sub_800AC80: @ 800AC80
-	push {lr}
-	ldr r0, =gUnknown_03004130
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0800AC96
-	ldr r0, =0x00005fff
-	bl BuildSendCmd
-	ldr r1, =gLinkCallback
-	ldr r0, =sub_800ACAC
-	str r0, [r1]
-_0800AC96:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800AC80
-
-	thumb_func_start sub_800ACAC
-sub_800ACAC: @ 800ACAC
-	push {r4,lr}
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r3, 0
-	movs r1, 0
-	cmp r3, r2
-	bge _0800ACD0
-	ldr r4, =gUnknown_030030F0
-_0800ACC0:
-	adds r0, r1, r4
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800ACCA
-	adds r3, 0x1
-_0800ACCA:
-	adds r1, 0x1
-	cmp r1, r2
-	blt _0800ACC0
-_0800ACD0:
-	cmp r3, r2
-	bne _0800ACF4
-	ldr r2, =gBattleTypeFlags
-	ldr r0, [r2]
-	movs r1, 0x21
-	negs r1, r1
-	ands r0, r1
-	str r0, [r2]
-	ldr r0, =gLinkVSyncDisabled
-	movs r4, 0x1
-	strb r4, [r0]
-	bl CloseLink
-	ldr r1, =gLinkCallback
-	movs r0, 0
-	str r0, [r1]
-	ldr r0, =gUnknown_030030E4
-	strb r4, [r0]
-_0800ACF4:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800ACAC
-
-	thumb_func_start sub_800AD10
-sub_800AD10: @ 800AD10
-	push {lr}
-	ldr r0, =gSerialIsRFU
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800AD24
-	bl task_add_05_task_del_08FA224_when_no_RfuFunc
-	b _0800AD4C
-	.pool
-_0800AD24:
-	ldr r2, =gLinkCallback
-	ldr r1, [r2]
-	cmp r1, 0
-	beq _0800AD40
-	ldr r1, =gUnknown_02022B08
-	ldrh r0, [r1]
-	adds r0, 0x1
-	strh r0, [r1]
-	b _0800AD4C
-	.pool
-_0800AD40:
-	ldr r0, =sub_800AD5C
-	str r0, [r2]
-	ldr r0, =gUnknown_030030E4
-	strb r1, [r0]
-	ldr r0, =gUnknown_030030F4
-	strh r1, [r0]
-_0800AD4C:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800AD10
-
 	thumb_func_start sub_800AD5C
 sub_800AD5C: @ 800AD5C
 	push {lr}
diff --git a/src/link.c b/src/link.c
index 3ab9acb7c..ab1b9174c 100644
--- a/src/link.c
+++ b/src/link.c
@@ -16,6 +16,7 @@
 #include "palette.h"
 #include "task.h"
 #include "trade.h"
+#include "battle.h"
 #include "link_rfu.h"
 #include "link.h"
 
@@ -131,7 +132,9 @@ static u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size);
 static void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2);
 static void LinkCB_RequestPlayerDataExchange(void);
 static void Task_PrintTestData(u8 taskId);
-void sub_800AC80(void);
+static void sub_800AC80(void);
+static void sub_800ACAC(void);
+void sub_800AD5C(void);
 void sub_800AEB4(void);
 u8 sub_800B2F8(void);
 void sub_800B4A4(void);
@@ -1427,3 +1430,58 @@ void sub_800AC34(void)
         }
     }
 }
+
+static void sub_800AC80(void)
+{
+    if (gUnknown_03004130 == 0)
+    {
+        BuildSendCmd(0x5fff);
+        gLinkCallback = sub_800ACAC;
+    }
+}
+
+static void sub_800ACAC(void)
+{
+    int i;
+    unsigned count;
+    u8 linkPlayerCount;
+
+    linkPlayerCount = GetLinkPlayerCount();
+    count = 0;
+    for (i = 0; i < linkPlayerCount; i ++)
+    {
+        if (gUnknown_030030F0[i])
+        {
+            count ++;
+        }
+    }
+    if (count == linkPlayerCount)
+    {
+        gBattleTypeFlags &= ~BATTLE_TYPE_20;
+        gLinkVSyncDisabled = TRUE;
+        CloseLink();
+        gLinkCallback = NULL;
+        gUnknown_030030E4 = 1;
+    }
+}
+
+void sub_800AD10(void)
+{
+    if (gSerialIsRFU == TRUE)
+    {
+        task_add_05_task_del_08FA224_when_no_RfuFunc();
+    }
+    else
+    {
+        if (gLinkCallback != NULL)
+        {
+            gUnknown_02022B08 ++;
+        }
+        else
+        {
+            gLinkCallback = sub_800AD5C;
+            gUnknown_030030E4 = 0;
+            gUnknown_030030F4 = 0;
+        }
+    }
+}