through sub_8009734

4 files changed, 78 insertions, 120 deletions

diff --git a/asm/link.s b/asm/link.s
index cc3685971..f4fb4b75d 100644
--- a/asm/link.s
+++ b/asm/link.s
@@ -5,126 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_80096BC
-sub_80096BC: @ 80096BC
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80096BC
-
-	thumb_func_start sub_80096D0
-sub_80096D0: @ 80096D0
-	push {lr}
-	ldr r3, =gUnknown_020229C4
-	ldr r1, =gUnknown_03003110
-	ldr r2, =0x0000efff
-	adds r0, r1, 0
-	adds r0, 0xE
-_080096DC:
-	strh r2, [r0]
-	subs r0, 0x2
-	cmp r0, r1
-	bge _080096DC
-	movs r0, 0x1
-	strb r0, [r3]
-	bl sub_800B594
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80096D0
-
-	thumb_func_start task02_080097CC
-task02_080097CC: @ 80096FC
-	push {lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	ldr r0, =gTasks
-	lsls r1, r2, 2
-	adds r1, r2
-	lsls r1, 3
-	adds r1, r0
-	ldrh r0, [r1, 0x8]
-	adds r0, 0x1
-	strh r0, [r1, 0x8]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x5
-	bne _08009726
-	ldr r1, =gUnknown_03003144
-	movs r0, 0x1
-	strb r0, [r1]
-	adds r0, r2, 0
-	bl DestroyTask
-_08009726:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end task02_080097CC
-
-	thumb_func_start sub_8009734
-sub_8009734: @ 8009734
-	push {r4-r6,lr}
-	ldr r0, =gLinkVSyncDisabled
-	ldrb r4, [r0]
-	cmp r4, 0
-	bne _080097A8
-	bl sub_800B628
-	bl sub_80096D0
-	ldr r1, =gUnknown_03003140
-	ldr r0, =sub_800A824
-	str r0, [r1]
-	ldr r0, =gUnknown_03002748
-	strb r4, [r0]
-	ldr r0, =gUnknown_0300306C
-	strb r4, [r0]
-	ldr r0, =gUnknown_030030F8
-	strb r4, [r0]
-	bl ResetBlockReceivedFlags
-	bl sub_800A2E0
-	ldr r0, =gUnknown_03000D54
-	str r4, [r0]
-	ldr r0, =gUnknown_030030E8
-	strb r4, [r0]
-	ldr r0, =gUnknown_030030E4
-	strb r4, [r0]
-	ldr r0, =gUnknown_030030F4
-	strh r4, [r0]
-	ldr r0, =task02_080097CC
-	movs r1, 0x2
-	bl CreateTask
-	b _080097AC
-	.pool
-_080097A8:
-	bl sub_800E700
-_080097AC:
-	ldr r1, =gReceivedRemoteLinkPlayers
-	movs r0, 0
-	strb r0, [r1]
-	movs r1, 0
-	ldr r6, =gUnknown_03003078
-	movs r2, 0
-	movs r5, 0x1
-	ldr r4, =gUnknown_030030F0
-	ldr r3, =gUnknown_030030EC
-_080097BE:
-	adds r0, r1, r6
-	strb r5, [r0]
-	adds r0, r1, r4
-	strb r2, [r0]
-	adds r0, r1, r3
-	strb r2, [r0]
-	adds r1, 0x1
-	cmp r1, 0x3
-	ble _080097BE
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8009734
-
 	thumb_func_start sub_80097E8
 sub_80097E8: @ 80097E8
 	push {r4,lr}
diff --git a/include/link.h b/include/link.h
index 0653a25e8..fa245cbdf 100644
--- a/include/link.h
+++ b/include/link.h
@@ -194,8 +194,20 @@ u8 sub_800ABAC(void);
 u8 sub_800ABBC(void);
 void sub_800AC34(void);
 
+void sub_800B628(void);
 void sub_80097E8(void);
 
+extern IWRAM_DATA u8 gUnknown_0300306C;
+extern IWRAM_DATA u8 gUnknown_03003078[4];
+extern IWRAM_DATA u8 gUnknown_030030E4;
+extern IWRAM_DATA u8 gUnknown_030030E8;
+extern IWRAM_DATA u8 gUnknown_030030EC[4];
+extern IWRAM_DATA u8 gUnknown_030030F0[4];
+extern IWRAM_DATA u16 gUnknown_030030F4;
+extern IWRAM_DATA u8 gUnknown_030030F8;
+extern IWRAM_DATA u16 gUnknown_03003110[8];
 extern IWRAM_DATA struct LinkTestBGInfo gUnknown_03003130; // common
+extern IWRAM_DATA void (*gUnknown_03003140)(void);
+extern IWRAM_DATA bool8 gUnknown_03003144;
 
 #endif // GUARD_LINK_H
diff --git a/include/main.h b/include/main.h
index 46c8fd681..4ce2e9b1a 100644
--- a/include/main.h
+++ b/include/main.h
@@ -50,6 +50,8 @@ extern bool8 gLinkVSyncDisabled;
 extern const u8 gGameVersion;
 extern const u8 gGameLanguage;
 
+extern IWRAM_DATA u8 gUnknown_03002748;
+
 void AgbMain(void);
 void SetMainCallback2(MainCallback callback);
 void InitKeys(void);
diff --git a/src/link.c b/src/link.c
index f95c1acb7..bcad97f53 100644
--- a/src/link.c
+++ b/src/link.c
@@ -57,6 +57,7 @@ IWRAM_DATA void *gUnknown_03000DA8;
 IWRAM_DATA void *gUnknown_03000DAC;
 IWRAM_DATA bool32 gUnknown_03000DB0;
 
+bool8 gUnknown_020229C4 = 0;
 u16 gUnknown_020229C6 = 0;
 struct LinkPlayer gUnknown_020229CC = {};
 
@@ -67,6 +68,8 @@ void sub_80096BC(void);
 void c2_08009A8C(void);
 void sub_800A2E0(void);
 void task00_link_test(u8 taskId);
+void sub_800A824(void);
+void sub_800B594(void);
 void sub_800B4A4(void);
 u32 sub_800BEC0(void);
 void sub_800E700(void);
@@ -202,3 +205,64 @@ void sub_8009638(void)
         gUnknown_020229CC.name[8] |= 0x10;
     }
 }
+
+void sub_80096BC(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_80096D0(void)
+{
+    int i;
+
+    for (i = 0; i < 8; i ++)
+    {
+        gUnknown_03003110[i] = 0xefff;
+    }
+    gUnknown_020229C4 = TRUE;
+    sub_800B594();
+}
+
+void task02_080097CC(u8 taskId)
+{
+    if (++ gTasks[taskId].data[0] == 5)
+    {
+        gUnknown_03003144 = TRUE;
+        DestroyTask(taskId);
+    }
+}
+
+void sub_8009734(void)
+{
+    int i;
+
+    if (!gLinkVSyncDisabled)
+    {
+        sub_800B628();
+        sub_80096D0();
+        gUnknown_03003140 = sub_800A824;
+        gUnknown_03002748 = 0;
+        gUnknown_0300306C = 0;
+        gUnknown_030030F8 = 0;
+        ResetBlockReceivedFlags();
+        sub_800A2E0();
+        gUnknown_03000D54 = 0;
+        gUnknown_030030E8 = 0;
+        gUnknown_030030E4 = 0;
+        gUnknown_030030F4 = 0;
+        CreateTask(task02_080097CC, 2);
+    }
+    else
+    {
+        sub_800E700();
+    }
+    gReceivedRemoteLinkPlayers = 0;
+    for (i = 0; i < 4; i ++)
+    {
+        gUnknown_03003078[i] = 1;
+        gUnknown_030030F0[i] = 0;
+        gUnknown_030030EC[i] = 0;
+    }
+}