link through CheckErrorStatus

12 files changed, 847 insertions, 1853 deletions

diff --git a/asm/battle_2.s b/asm/battle_2.s
index 344325ff4..90c429e19 100644
--- a/asm/battle_2.s
+++ b/asm/battle_2.s
@@ -1645,7 +1645,7 @@ _08010B2A:
 	ldrb r0, [r0]
 	cmp r0, 0
 	beq _08010B64
-	bl IsNoOneConnected
+	bl IsRfuTaskFinished
 	lsls r0, 24
 	cmp r0, 0
 	beq _08010B82
diff --git a/asm/cable_club.s b/asm/cable_club.s
index 03105bc3d..d7432e2c2 100644
--- a/asm/cable_club.s
+++ b/asm/cable_club.s
@@ -142,7 +142,7 @@ sub_8080844: @ 8080844
 	lsrs r0, 24
 	lsls r1, 24
 	lsrs r1, 24
-	bl sub_800A0D0
+	bl GetLinkPlayerDataExchangeStatusTimed
 	lsls r0, 24
 	lsrs r0, 24
 	subs r0, 0x1
@@ -384,9 +384,9 @@ sub_80809F8: @ 80809F8
 	ldrsh r2, [r4, r3]
 	cmp r2, 0
 	bne _08080A30
-	bl sub_800A0B4
+	bl OpenLinkTimed
 	bl sub_800AA24
-	bl sub_800A270
+	bl ResetLinkPlayers
 	ldr r0, _08080A2C @ =gUnknown_83C6AB0
 	bl AddWindow
 	strh r0, [r4, 0xA]
@@ -608,7 +608,7 @@ sub_8080BC8: @ 8080BC8
 	lsls r0, 24
 	cmp r0, 0
 	bne _08080C5C
-	bl sub_800A944
+	bl GetSavedPlayerCount
 	adds r4, r0, 0
 	bl GetLinkPlayerCount_2
 	lsls r4, 24
@@ -685,7 +685,7 @@ sub_8080C6C: @ 8080C6C
 	beq _08080CCE
 	bl GetLinkPlayerCount_2
 	adds r4, r0, 0
-	bl sub_800A944
+	bl GetSavedPlayerCount
 	lsls r4, 24
 	lsls r0, 24
 	cmp r4, r0
@@ -1368,7 +1368,7 @@ sub_80811FC: @ 80811FC
 	cmp r2, 0
 	bne _08081230
 	bl OpenLink
-	bl sub_800A270
+	bl ResetLinkPlayers
 	ldr r0, _0808122C @ =sub_8081A90
 	movs r1, 0x50
 	bl CreateTask
@@ -1443,7 +1443,7 @@ sub_80812A0: @ 80812A0
 	push {r4,r5,lr}
 	lsls r0, 24
 	lsrs r5, r0, 24
-	bl sub_800A944
+	bl GetSavedPlayerCount
 	adds r4, r0, 0
 	bl GetLinkPlayerCount_2
 	lsls r4, 24
@@ -1541,7 +1541,7 @@ _0808135C:
 	ldr r2, _08081378 @ =0x00002211
 	adds r0, r2, 0
 	strh r0, [r1]
-	bl sub_800A068
+	bl ClearLinkCallback_2
 	b _080813AA
 	.align 2, 0
 _08081374: .4byte gLinkType
@@ -1698,7 +1698,7 @@ _080814A0:
 	ldr r2, _080814C0 @ =0x00002211
 	adds r1, r2, 0
 	strh r1, [r0]
-	bl sub_800A068
+	bl ClearLinkCallback_2
 	movs r0, 0x1
 	strh r0, [r6]
 	b _0808160A
@@ -2180,7 +2180,7 @@ _08081882:
 	movs r0, 0x1
 	movs r1, 0
 	bl fade_screen
-	bl sub_800A068
+	bl ClearLinkCallback_2
 	b _080818B8
 _08081894:
 	ldr r0, _080818A4 @ =gPaletteFade
@@ -2256,7 +2256,7 @@ _0808191A:
 	movs r0, 0x1
 	movs r1, 0
 	bl fade_screen
-	bl sub_80F985C
+	bl Rfu_set_zero
 	b _08081950
 _0808192C:
 	ldr r0, _0808193C @ =gPaletteFade
diff --git a/asm/link.s b/asm/link.s
index 14131af9e..b0de10227 100644
--- a/asm/link.s
+++ b/asm/link.s
@@ -5,1793 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8009FE8
-sub_8009FE8: @ 8009FE8
-	push {lr}
-	ldr r0, _0800A000 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _08009FF6
-	bl sub_80F9828
-_08009FF6:
-	ldr r1, _0800A004 @ =gLinkCallback
-	ldr r0, _0800A008 @ =sub_800A040
-	str r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A000: .4byte gWirelessCommType
-_0800A004: .4byte gLinkCallback
-_0800A008: .4byte sub_800A040
-	thumb_func_end sub_8009FE8
-
-	thumb_func_start sub_800A00C
-sub_800A00C: @ 800A00C
-	push {lr}
-	ldr r0, _0800A01C @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800A020
-	bl sub_80F9808
-	b _0800A03A
-	.align 2, 0
-_0800A01C: .4byte gWirelessCommType
-_0800A020:
-	ldr r0, _0800A030 @ =gLinkCallback
-	ldr r1, [r0]
-	ldr r0, _0800A034 @ =sub_800A040
-	cmp r1, r0
-	beq _0800A038
-	movs r0, 0
-	b _0800A03A
-	.align 2, 0
-_0800A030: .4byte gLinkCallback
-_0800A034: .4byte sub_800A040
-_0800A038:
-	movs r0, 0x1
-_0800A03A:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800A00C
-
-	thumb_func_start sub_800A040
-sub_800A040: @ 800A040
-	push {lr}
-	ldr r0, _0800A054 @ =gReceivedRemoteLinkPlayers
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800A050
-	ldr r0, _0800A058 @ =0x0000cafe
-	bl BuildSendCmd
-_0800A050:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A054: .4byte gReceivedRemoteLinkPlayers
-_0800A058: .4byte 0x0000cafe
-	thumb_func_end sub_800A040
-
-	thumb_func_start sub_800A05C
-sub_800A05C: @ 800A05C
-	ldr r1, _0800A064 @ =gLinkCallback
-	movs r0, 0
-	str r0, [r1]
-	bx lr
-	.align 2, 0
-_0800A064: .4byte gLinkCallback
-	thumb_func_end sub_800A05C
-
-	thumb_func_start sub_800A068
-sub_800A068: @ 800A068
-	push {lr}
-	ldr r0, _0800A078 @ =gWirelessCommType
-	ldrb r1, [r0]
-	cmp r1, 0
-	beq _0800A07C
-	bl sub_80F985C
-	b _0800A080
-	.align 2, 0
-_0800A078: .4byte gWirelessCommType
-_0800A07C:
-	ldr r0, _0800A084 @ =gLinkCallback
-	str r1, [r0]
-_0800A080:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A084: .4byte gLinkCallback
-	thumb_func_end sub_800A068
-
-	thumb_func_start GetLinkPlayerCount
-GetLinkPlayerCount: @ 800A088
-	push {lr}
-	ldr r0, _0800A0A0 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0800A0A8
-	ldr r0, _0800A0A4 @ =gLinkStatus
-	ldr r0, [r0]
-	movs r1, 0x1C
-	ands r0, r1
-	lsrs r0, 2
-	b _0800A0B0
-	.align 2, 0
-_0800A0A0: .4byte gWirelessCommType
-_0800A0A4: .4byte gLinkStatus
-_0800A0A8:
-	bl sub_80FA4EC
-	lsls r0, 24
-	lsrs r0, 24
-_0800A0B0:
-	pop {r1}
-	bx r1
-	thumb_func_end GetLinkPlayerCount
-
-	thumb_func_start sub_800A0B4
-sub_800A0B4: @ 800A0B4
-	push {lr}
-	ldr r0, _0800A0C8 @ =sPlayerDataExchangeStatus
-	movs r1, 0
-	str r1, [r0]
-	ldr r0, _0800A0CC @ =gLinkTimeOutCounter
-	strh r1, [r0]
-	bl OpenLink
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A0C8: .4byte sPlayerDataExchangeStatus
-_0800A0CC: .4byte gLinkTimeOutCounter
-	thumb_func_end sub_800A0B4
-
-	thumb_func_start sub_800A0D0
-sub_800A0D0: @ 800A0D0
-	push {r4-r7,lr}
-	adds r5, r0, 0
-	adds r6, r1, 0
-	movs r7, 0
-	ldr r0, _0800A0F8 @ =gReceivedRemoteLinkPlayers
-	ldrb r4, [r0]
-	cmp r4, 0x1
-	bne _0800A1C8
-	bl GetLinkPlayerCount_2
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r5, r0
-	bgt _0800A0F0
-	cmp r0, r6
-	ble _0800A100
-_0800A0F0:
-	ldr r1, _0800A0FC @ =sPlayerDataExchangeStatus
-	movs r0, 0x6
-	str r0, [r1]
-	b _0800A1E2
-	.align 2, 0
-_0800A0F8: .4byte gReceivedRemoteLinkPlayers
-_0800A0FC: .4byte sPlayerDataExchangeStatus
-_0800A100:
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	cmp r0, 0
-	bne _0800A112
-	ldr r0, _0800A11C @ =gLinkErrorOccurred
-	strb r4, [r0]
-	bl CloseLink
-_0800A112:
-	movs r6, 0
-	ldr r4, _0800A120 @ =gLinkPlayers
-	movs r5, 0
-	b _0800A138
-	.align 2, 0
-_0800A11C: .4byte gLinkErrorOccurred
-_0800A120: .4byte gLinkPlayers
-_0800A124:
-	adds r0, r4, 0
-	adds r0, 0x14
-	adds r0, r5, r0
-	ldr r1, [r0]
-	ldr r0, [r4, 0x14]
-	cmp r1, r0
-	bne _0800A134
-	adds r7, 0x1
-_0800A134:
-	adds r5, 0x1C
-	adds r6, 0x1
-_0800A138:
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r6, r0
-	blt _0800A124
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r7, r0
-	bne _0800A1B8
-	ldr r0, _0800A170 @ =gLinkPlayers
-	ldr r1, [r0, 0x14]
-	ldr r0, _0800A174 @ =0x00001133
-	cmp r1, r0
-	bne _0800A1AC
-	bl sub_804FB34
-	cmp r0, 0x1
-	beq _0800A194
-	cmp r0, 0x1
-	bgt _0800A17C
-	cmp r0, 0
-	beq _0800A188
-	ldr r2, _0800A178 @ =sPlayerDataExchangeStatus
-	b _0800A1E0
-	.align 2, 0
-_0800A170: .4byte gLinkPlayers
-_0800A174: .4byte 0x00001133
-_0800A178: .4byte sPlayerDataExchangeStatus
-_0800A17C:
-	cmp r0, 0x2
-	beq _0800A1A0
-	ldr r2, _0800A184 @ =sPlayerDataExchangeStatus
-	b _0800A1E0
-	.align 2, 0
-_0800A184: .4byte sPlayerDataExchangeStatus
-_0800A188:
-	ldr r1, _0800A190 @ =sPlayerDataExchangeStatus
-	movs r0, 0x1
-	b _0800A1BC
-	.align 2, 0
-_0800A190: .4byte sPlayerDataExchangeStatus
-_0800A194:
-	ldr r1, _0800A19C @ =sPlayerDataExchangeStatus
-	movs r0, 0x4
-	b _0800A1BC
-	.align 2, 0
-_0800A19C: .4byte sPlayerDataExchangeStatus
-_0800A1A0:
-	ldr r1, _0800A1A8 @ =sPlayerDataExchangeStatus
-	movs r0, 0x5
-	b _0800A1BC
-	.align 2, 0
-_0800A1A8: .4byte sPlayerDataExchangeStatus
-_0800A1AC:
-	ldr r1, _0800A1B4 @ =sPlayerDataExchangeStatus
-	movs r0, 0x1
-	b _0800A1BC
-	.align 2, 0
-_0800A1B4: .4byte sPlayerDataExchangeStatus
-_0800A1B8:
-	ldr r1, _0800A1C4 @ =sPlayerDataExchangeStatus
-	movs r0, 0x3
-_0800A1BC:
-	str r0, [r1]
-	adds r2, r1, 0
-	b _0800A1E0
-	.align 2, 0
-_0800A1C4: .4byte sPlayerDataExchangeStatus
-_0800A1C8:
-	ldr r0, _0800A1E8 @ =gLinkTimeOutCounter
-	ldrh r1, [r0]
-	adds r1, 0x1
-	strh r1, [r0]
-	lsls r1, 16
-	movs r0, 0x96
-	lsls r0, 18
-	ldr r2, _0800A1EC @ =sPlayerDataExchangeStatus
-	cmp r1, r0
-	bls _0800A1E0
-	movs r0, 0x2
-	str r0, [r2]
-_0800A1E0:
-	ldrb r0, [r2]
-_0800A1E2:
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800A1E8: .4byte gLinkTimeOutCounter
-_0800A1EC: .4byte sPlayerDataExchangeStatus
-	thumb_func_end sub_800A0D0
-
-	thumb_func_start IsLinkPlayerDataExchangeComplete
-IsLinkPlayerDataExchangeComplete: @ 800A1F0
-	push {r4-r6,lr}
-	movs r6, 0
-	movs r4, 0
-	ldr r5, _0800A1FC @ =gLinkPlayers
-	b _0800A220
-	.align 2, 0
-_0800A1FC: .4byte gLinkPlayers
-_0800A200:
-	lsls r0, r4, 3
-	subs r0, r4
-	lsls r0, 2
-	adds r1, r5, 0
-	adds r1, 0x14
-	adds r0, r1
-	ldr r1, [r0]
-	ldr r0, [r5, 0x14]
-	cmp r1, r0
-	bne _0800A21A
-	adds r0, r6, 0x1
-	lsls r0, 24
-	lsrs r6, r0, 24
-_0800A21A:
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-_0800A220:
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r4, r0
-	bcc _0800A200
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r6, r0
-	bne _0800A244
-	movs r2, 0x1
-	ldr r0, _0800A240 @ =sPlayerDataExchangeStatus
-	str r2, [r0]
-	b _0800A24C
-	.align 2, 0
-_0800A240: .4byte sPlayerDataExchangeStatus
-_0800A244:
-	movs r2, 0
-	ldr r1, _0800A254 @ =sPlayerDataExchangeStatus
-	movs r0, 0x3
-	str r0, [r1]
-_0800A24C:
-	adds r0, r2, 0
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800A254: .4byte sPlayerDataExchangeStatus
-	thumb_func_end IsLinkPlayerDataExchangeComplete
-
-	thumb_func_start GetLinkPlayerTrainerId
-GetLinkPlayerTrainerId: @ 800A258
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _0800A26C @ =gLinkPlayers
-	lsls r1, r0, 3
-	subs r1, r0
-	lsls r1, 2
-	adds r2, 0x4
-	adds r1, r2
-	ldr r0, [r1]
-	bx lr
-	.align 2, 0
-_0800A26C: .4byte gLinkPlayers
-	thumb_func_end GetLinkPlayerTrainerId
-
-	thumb_func_start sub_800A270
-sub_800A270: @ 800A270
-	push {r4,r5,lr}
-	ldr r5, _0800A290 @ =gLinkPlayers
-	movs r4, 0x4
-_0800A276:
-	adds r0, r5, 0
-	movs r1, 0
-	movs r2, 0x1C
-	bl memset
-	adds r5, 0x1C
-	subs r4, 0x1
-	cmp r4, 0
-	bge _0800A276
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A290: .4byte gLinkPlayers
-	thumb_func_end sub_800A270
-
-	thumb_func_start ResetBlockSend
-ResetBlockSend: @ 800A294
-	ldr r1, _0800A2A4 @ =sBlockSend
-	movs r0, 0
-	strb r0, [r1, 0x8]
-	strh r0, [r1]
-	strh r0, [r1, 0x2]
-	str r0, [r1, 0x4]
-	bx lr
-	.align 2, 0
-_0800A2A4: .4byte sBlockSend
-	thumb_func_end ResetBlockSend
-
-	thumb_func_start InitBlockSend
-InitBlockSend: @ 800A2A8
-	push {r4-r7,lr}
-	adds r7, r0, 0
-	adds r6, r1, 0
-	ldr r4, _0800A2BC @ =sBlockSend
-	ldrb r5, [r4, 0x8]
-	cmp r5, 0
-	beq _0800A2C0
-	movs r0, 0
-	b _0800A2FE
-	.align 2, 0
-_0800A2BC: .4byte sBlockSend
-_0800A2C0:
-	bl GetMultiplayerId
-	strb r0, [r4, 0x9]
-	movs r0, 0x1
-	strb r0, [r4, 0x8]
-	strh r6, [r4, 0x2]
-	strh r5, [r4]
-	adds r0, 0xFF
-	cmp r6, r0
-	bls _0800A2D8
-	str r7, [r4, 0x4]
-	b _0800A2EA
-_0800A2D8:
-	ldr r5, _0800A304 @ =gBlockSendBuffer
-	cmp r7, r5
-	beq _0800A2E8
-	adds r0, r5, 0
-	adds r1, r7, 0
-	adds r2, r6, 0
-	bl memcpy
-_0800A2E8:
-	str r5, [r4, 0x4]
-_0800A2EA:
-	ldr r0, _0800A308 @ =0x0000bbbb
-	bl BuildSendCmd
-	ldr r1, _0800A30C @ =gLinkCallback
-	ldr r0, _0800A310 @ =LinkCB_BlockSendBegin
-	str r0, [r1]
-	ldr r1, _0800A314 @ =sBlockSendDelayCounter
-	movs r0, 0
-	str r0, [r1]
-	movs r0, 0x1
-_0800A2FE:
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800A304: .4byte gBlockSendBuffer
-_0800A308: .4byte 0x0000bbbb
-_0800A30C: .4byte gLinkCallback
-_0800A310: .4byte LinkCB_BlockSendBegin
-_0800A314: .4byte sBlockSendDelayCounter
-	thumb_func_end InitBlockSend
-
-	thumb_func_start LinkCB_BlockSendBegin
-LinkCB_BlockSendBegin: @ 800A318
-	push {lr}
-	ldr r1, _0800A330 @ =sBlockSendDelayCounter
-	ldr r0, [r1]
-	adds r0, 0x1
-	str r0, [r1]
-	cmp r0, 0x2
-	bls _0800A32C
-	ldr r1, _0800A334 @ =gLinkCallback
-	ldr r0, _0800A338 @ =LinkCB_BlockSend
-	str r0, [r1]
-_0800A32C:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A330: .4byte sBlockSendDelayCounter
-_0800A334: .4byte gLinkCallback
-_0800A338: .4byte LinkCB_BlockSend
-	thumb_func_end LinkCB_BlockSendBegin
-
-	thumb_func_start LinkCB_BlockSend
-LinkCB_BlockSend: @ 800A33C
-	push {r4-r6,lr}
-	ldr r0, _0800A38C @ =sBlockSend
-	ldr r5, [r0, 0x4]
-	ldr r2, _0800A390 @ =gSendCmd
-	ldr r1, _0800A394 @ =0x00008888
-	strh r1, [r2]
-	movs r3, 0
-	adds r4, r0, 0
-	adds r6, r4, 0
-	adds r2, 0x2
-_0800A350:
-	lsls r0, r3, 1
-	ldrh r1, [r6]
-	adds r0, r1
-	adds r0, r5
-	ldrb r1, [r0, 0x1]
-	lsls r1, 8
-	ldrb r0, [r0]
-	orrs r0, r1
-	strh r0, [r2]
-	adds r2, 0x2
-	adds r3, 0x1
-	cmp r3, 0x6
-	ble _0800A350
-	ldrh r0, [r4]
-	adds r0, 0xE
-	strh r0, [r4]
-	ldrh r1, [r4, 0x2]
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r1, r0
-	bhi _0800A384
-	movs r0, 0
-	strb r0, [r4, 0x8]
-	ldr r1, _0800A398 @ =gLinkCallback
-	ldr r0, _0800A39C @ =sub_800A3A0
-	str r0, [r1]
-_0800A384:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A38C: .4byte sBlockSend
-_0800A390: .4byte gSendCmd
-_0800A394: .4byte 0x00008888
-_0800A398: .4byte gLinkCallback
-_0800A39C: .4byte sub_800A3A0
-	thumb_func_end LinkCB_BlockSend
-
-	thumb_func_start sub_800A3A0
-sub_800A3A0: @ 800A3A0
-	ldr r1, _0800A3A8 @ =gLinkCallback
-	movs r0, 0
-	str r0, [r1]
-	bx lr
-	.align 2, 0
-_0800A3A8: .4byte gLinkCallback
-	thumb_func_end sub_800A3A0
-
-	thumb_func_start sub_800A3AC
-sub_800A3AC: @ 800A3AC
-	push {lr}
-	bl GetMultiplayerId
-	ldr r0, _0800A3C4 @ =0x00004444
-	bl BuildSendCmd
-	ldr r1, _0800A3C8 @ =gUnknown_2022114
-	ldr r0, [r1]
-	adds r0, 0x1
-	str r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A3C4: .4byte 0x00004444
-_0800A3C8: .4byte gUnknown_2022114
-	thumb_func_end sub_800A3AC
-
-	thumb_func_start sub_800A3CC
-sub_800A3CC: @ 800A3CC
-	ldr r1, _0800A3DC @ =gUnknown_2022114
-	movs r0, 0
-	str r0, [r1]
-	ldr r1, _0800A3E0 @ =gLinkCallback
-	ldr r0, _0800A3E4 @ =sub_800A3AC
-	str r0, [r1]
-	bx lr
-	.align 2, 0
-_0800A3DC: .4byte gUnknown_2022114
-_0800A3E0: .4byte gLinkCallback
-_0800A3E4: .4byte sub_800A3AC
-	thumb_func_end sub_800A3CC
-
-	thumb_func_start sub_800A3E8
-sub_800A3E8: @ 800A3E8
-	ldr r0, _0800A3F0 @ =gUnknown_2022114
-	ldr r0, [r0]
-	bx lr
-	.align 2, 0
-_0800A3F0: .4byte gUnknown_2022114
-	thumb_func_end sub_800A3E8
-
-	thumb_func_start sub_800A3F4
-sub_800A3F4: @ 800A3F4
-	push {lr}
-	ldr r0, _0800A400 @ =0x0000aaaa
-	bl BuildSendCmd
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A400: .4byte 0x0000aaaa
-	thumb_func_end sub_800A3F4
-
-	thumb_func_start GetMultiplayerId
-GetMultiplayerId: @ 800A404
-	push {lr}
-	ldr r0, _0800A418 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _0800A420
-	ldr r0, _0800A41C @ =0x04000128
-	ldr r0, [r0]
-	lsls r0, 26
-	lsrs r0, 30
-	b _0800A428
-	.align 2, 0
-_0800A418: .4byte gWirelessCommType
-_0800A41C: .4byte 0x04000128
-_0800A420:
-	bl rfu_get_multiplayer_id
-	lsls r0, 24
-	lsrs r0, 24
-_0800A428:
-	pop {r1}
-	bx r1
-	thumb_func_end GetMultiplayerId
-
-	thumb_func_start bitmask_all_link_players_but_self
-bitmask_all_link_players_but_self: @ 800A42C
-	push {lr}
-	bl GetMultiplayerId
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	movs r0, 0x1
-	lsls r0, r1
-	movs r1, 0xF
-	eors r0, r1
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end bitmask_all_link_players_but_self
-
-	thumb_func_start SendBlock
-SendBlock: @ 800A448
-	push {lr}
-	adds r3, r1, 0
-	lsls r2, 16
-	lsrs r1, r2, 16
-	ldr r0, _0800A460 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _0800A464
-	adds r0, r3, 0
-	bl InitBlockSend
-	b _0800A46A
-	.align 2, 0
-_0800A460: .4byte gWirelessCommType
-_0800A464:
-	adds r0, r3, 0
-	bl sub_80F9E60
-_0800A46A:
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end SendBlock
-
-	thumb_func_start sub_800A474
-sub_800A474: @ 800A474
-	push {lr}
-	lsls r0, 24
-	lsrs r1, r0, 24
-	adds r2, r1, 0
-	ldr r0, _0800A490 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800A494
-	adds r0, r1, 0
-	bl sub_80FA0F8
-	lsls r0, 24
-	lsrs r0, 24
-	b _0800A4B0
-	.align 2, 0
-_0800A490: .4byte gWirelessCommType
-_0800A494:
-	ldr r0, _0800A4A0 @ =gLinkCallback
-	ldr r0, [r0]
-	cmp r0, 0
-	beq _0800A4A4
-	movs r0, 0
-	b _0800A4B0
-	.align 2, 0
-_0800A4A0: .4byte gLinkCallback
-_0800A4A4:
-	ldr r0, _0800A4B4 @ =gBlockRequestType
-	strb r2, [r0]
-	ldr r0, _0800A4B8 @ =0x0000cccc
-	bl BuildSendCmd
-	movs r0, 0x1
-_0800A4B0:
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800A4B4: .4byte gBlockRequestType
-_0800A4B8: .4byte 0x0000cccc
-	thumb_func_end sub_800A474
-
-	thumb_func_start IsLinkTaskFinished
-IsLinkTaskFinished: @ 800A4BC
-	push {lr}
-	ldr r0, _0800A4D0 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800A4D4
-	bl IsNoOneConnected
-	lsls r0, 24
-	lsrs r0, 24
-	b _0800A4E2
-	.align 2, 0
-_0800A4D0: .4byte gWirelessCommType
-_0800A4D4:
-	movs r1, 0
-	ldr r0, _0800A4E8 @ =gLinkCallback
-	ldr r0, [r0]
-	cmp r0, 0
-	bne _0800A4E0
-	movs r1, 0x1
-_0800A4E0:
-	adds r0, r1, 0
-_0800A4E2:
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800A4E8: .4byte gLinkCallback
-	thumb_func_end IsLinkTaskFinished
-
-	thumb_func_start GetBlockReceivedStatus
-GetBlockReceivedStatus: @ 800A4EC
-	push {lr}
-	ldr r0, _0800A510 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _0800A518
-	ldr r2, _0800A514 @ =gBlockReceivedStatus
-	ldrb r0, [r2, 0x3]
-	lsls r0, 3
-	ldrb r1, [r2, 0x2]
-	lsls r1, 2
-	orrs r0, r1
-	ldrb r1, [r2, 0x1]
-	lsls r1, 1
-	orrs r0, r1
-	ldrb r1, [r2]
-	orrs r0, r1
-	b _0800A51C
-	.align 2, 0
-_0800A510: .4byte gWirelessCommType
-_0800A514: .4byte gBlockReceivedStatus
-_0800A518:
-	bl sub_80F9CC8
-_0800A51C:
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end GetBlockReceivedStatus
-
-	thumb_func_start SetBlockReceivedFlag
-SetBlockReceivedFlag: @ 800A524
-	push {lr}
-	lsls r0, 24
-	lsrs r1, r0, 24
-	ldr r0, _0800A53C @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800A540
-	adds r0, r1, 0
-	bl sub_80F9720
-	b _0800A548
-	.align 2, 0
-_0800A53C: .4byte gWirelessCommType
-_0800A540:
-	ldr r0, _0800A54C @ =gBlockReceivedStatus
-	adds r0, r1, r0
-	movs r1, 0x1
-	strb r1, [r0]
-_0800A548:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A54C: .4byte gBlockReceivedStatus
-	thumb_func_end SetBlockReceivedFlag
-
-	thumb_func_start ResetBlockReceivedFlags
-ResetBlockReceivedFlags: @ 800A550
-	push {r4,lr}
-	ldr r0, _0800A56C @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800A570
-	movs r4, 0
-_0800A55C:
-	lsls r0, r4, 24
-	lsrs r0, 24
-	bl sub_80F974C
-	adds r4, 0x1
-	cmp r4, 0x4
-	ble _0800A55C
-	b _0800A57E
-	.align 2, 0
-_0800A56C: .4byte gWirelessCommType
-_0800A570:
-	ldr r1, _0800A584 @ =gBlockReceivedStatus
-	movs r2, 0
-	adds r0, r1, 0x3
-_0800A576:
-	strb r2, [r0]
-	subs r0, 0x1
-	cmp r0, r1
-	bge _0800A576
-_0800A57E:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A584: .4byte gBlockReceivedStatus
-	thumb_func_end ResetBlockReceivedFlags
-
-	thumb_func_start ResetBlockReceivedFlag
-ResetBlockReceivedFlag: @ 800A588
-	push {lr}
-	lsls r0, 24
-	lsrs r1, r0, 24
-	ldr r0, _0800A5A0 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800A5A4
-	adds r0, r1, 0
-	bl sub_80F974C
-	b _0800A5B2
-	.align 2, 0
-_0800A5A0: .4byte gWirelessCommType
-_0800A5A4:
-	ldr r0, _0800A5B8 @ =gBlockReceivedStatus
-	adds r1, r0
-	ldrb r0, [r1]
-	cmp r0, 0
-	beq _0800A5B2
-	movs r0, 0
-	strb r0, [r1]
-_0800A5B2:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A5B8: .4byte gBlockReceivedStatus
-	thumb_func_end ResetBlockReceivedFlag
-
-	thumb_func_start CheckShouldAdvanceLinkState
-CheckShouldAdvanceLinkState: @ 800A5BC
-	push {lr}
-	ldr r0, _0800A5DC @ =gLinkStatus
-	ldr r1, [r0]
-	movs r0, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _0800A5D8
-	movs r0, 0x1C
-	ands r1, r0
-	cmp r1, 0x4
-	bls _0800A5D8
-	ldr r1, _0800A5E0 @ =gShouldAdvanceLinkState
-	movs r0, 0x1
-	strb r0, [r1]
-_0800A5D8:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A5DC: .4byte gLinkStatus
-_0800A5E0: .4byte gShouldAdvanceLinkState
-	thumb_func_end CheckShouldAdvanceLinkState
-
-	thumb_func_start LinkTestCalcBlockChecksum
-LinkTestCalcBlockChecksum: @ 800A5E4
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r1, 16
-	movs r3, 0
-	movs r2, 0
-	lsrs r1, 17
-	cmp r3, r1
-	bcs _0800A60A
-_0800A5F4:
-	lsls r0, r2, 1
-	adds r0, r4
-	ldrh r0, [r0]
-	adds r0, r3, r0
-	lsls r0, 16
-	lsrs r3, r0, 16
-	adds r0, r2, 0x1
-	lsls r0, 16
-	lsrs r2, r0, 16
-	cmp r2, r1
-	bcc _0800A5F4
-_0800A60A:
-	adds r0, r3, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end LinkTestCalcBlockChecksum
-
-	thumb_func_start PrintHexDigit
-PrintHexDigit: @ 800A614
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r2, 24
-	ldr r4, _0800A648 @ =gLinkTestBGInfo
-	ldr r3, [r4]
-	lsls r3, 11
-	movs r5, 0xC0
-	lsls r5, 19
-	adds r3, r5
-	lsrs r2, 19
-	adds r2, r1
-	lsls r2, 1
-	adds r2, r3
-	ldr r3, [r4, 0x4]
-	lsls r3, 12
-	ldr r1, [r4, 0x8]
-	adds r1, 0x1
-	adds r0, r1
-	orrs r3, r0
-	strh r3, [r2]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A648: .4byte gLinkTestBGInfo
-	thumb_func_end PrintHexDigit
-
-	thumb_func_start sub_800A64C
-sub_800A64C: @ 800A64C
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r2, 24
-	ldr r4, _0800A680 @ =gLinkTestBGInfo
-	ldr r3, [r4]
-	lsls r3, 11
-	movs r5, 0xC0
-	lsls r5, 19
-	adds r3, r5
-	lsrs r2, 19
-	adds r2, r1
-	lsls r2, 1
-	adds r2, r3
-	ldr r3, [r4, 0x4]
-	lsls r3, 12
-	ldr r1, [r4, 0x8]
-	adds r1, r0
-	orrs r3, r1
-	strh r3, [r2]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A680: .4byte gLinkTestBGInfo
-	thumb_func_end sub_800A64C
-
-	thumb_func_start LinkTest_prnthex
-LinkTest_prnthex: @ 800A684
-	push {r4-r7,lr}
-	sub sp, 0x10
-	adds r5, r0, 0
-	lsls r1, 24
-	lsrs r6, r1, 24
-	lsls r2, 24
-	lsrs r7, r2, 24
-	lsls r3, 24
-	lsrs r3, 24
-	movs r4, 0
-	cmp r4, r3
-	bge _0800A6B0
-	movs r2, 0xF
-_0800A69E:
-	mov r0, sp
-	adds r1, r0, r4
-	adds r0, r5, 0
-	ands r0, r2
-	strb r0, [r1]
-	lsrs r5, 4
-	adds r4, 0x1
-	cmp r4, r3
-	blt _0800A69E
-_0800A6B0:
-	subs r4, r3, 0x1
-	cmp r4, 0
-	blt _0800A6D0
-_0800A6B6:
-	mov r1, sp
-	adds r0, r1, r4
-	ldrb r0, [r0]
-	adds r1, r6, 0
-	adds r2, r7, 0
-	bl PrintHexDigit
-	adds r0, r6, 0x1
-	lsls r0, 24
-	lsrs r6, r0, 24
-	subs r4, 0x1
-	cmp r4, 0
-	bge _0800A6B6
-_0800A6D0:
-	add sp, 0x10
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end LinkTest_prnthex
-
-	thumb_func_start sub_800A6D8
-sub_800A6D8: @ 800A6D8
-	push {r4-r7,lr}
-	adds r3, r0, 0
-	lsls r1, 24
-	lsrs r7, r1, 24
-	lsls r2, 24
-	lsrs r2, 24
-	movs r6, 0
-	ldrb r0, [r3]
-	cmp r0, 0
-	beq _0800A718
-	adds r4, r3, 0
-	lsls r5, r2, 24
-_0800A6F0:
-	ldrb r0, [r4]
-	cmp r0, 0xA
-	bne _0800A700
-	movs r0, 0x80
-	lsls r0, 17
-	adds r5, r0
-	movs r6, 0
-	b _0800A710
-_0800A700:
-	ldrb r0, [r4]
-	adds r1, r7, r6
-	lsls r1, 24
-	lsrs r1, 24
-	lsrs r2, r5, 24
-	bl sub_800A64C
-	adds r6, 0x1
-_0800A710:
-	adds r4, 0x1
-	ldrb r0, [r4]
-	cmp r0, 0
-	bne _0800A6F0
-_0800A718:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_800A6D8
-
-	thumb_func_start LinkCB_RequestPlayerDataExchange
-LinkCB_RequestPlayerDataExchange: @ 800A720
-	push {lr}
-	ldr r0, _0800A740 @ =gLinkStatus
-	ldr r0, [r0]
-	movs r1, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _0800A734
-	ldr r0, _0800A744 @ =0x00002222
-	bl BuildSendCmd
-_0800A734:
-	ldr r1, _0800A748 @ =gLinkCallback
-	movs r0, 0
-	str r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A740: .4byte gLinkStatus
-_0800A744: .4byte 0x00002222
-_0800A748: .4byte gLinkCallback
-	thumb_func_end LinkCB_RequestPlayerDataExchange
-
-	thumb_func_start task00_link_test
-task00_link_test: @ 800A74C
-	push {r4-r6,lr}
-	sub sp, 0x20
-	ldr r1, _0800A86C @ =gASCIITestPrint
-	mov r0, sp
-	bl strcpy
-	mov r0, sp
-	movs r1, 0x5
-	movs r2, 0x2
-	bl sub_800A6D8
-	ldr r0, _0800A870 @ =gShouldAdvanceLinkState
-	ldrb r0, [r0]
-	movs r1, 0x2
-	movs r2, 0x1
-	movs r3, 0x2
-	bl LinkTest_prnthex
-	ldr r4, _0800A874 @ =gLinkStatus
-	ldr r0, [r4]
-	movs r1, 0xF
-	movs r2, 0x1
-	movs r3, 0x8
-	bl LinkTest_prnthex
-	ldr r0, _0800A878 @ =gLink
-	ldrb r0, [r0, 0x1]
-	movs r1, 0x2
-	movs r2, 0xA
-	movs r3, 0x2
-	bl LinkTest_prnthex
-	ldr r0, [r4]
-	movs r1, 0x1C
-	ands r0, r1
-	lsrs r0, 2
-	movs r1, 0xF
-	movs r2, 0xA
-	movs r3, 0x2
-	bl LinkTest_prnthex
-	bl GetMultiplayerId
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0xF
-	movs r2, 0xC
-	movs r3, 0x2
-	bl LinkTest_prnthex
-	ldr r0, _0800A87C @ =gLastSendQueueCount
-	ldrb r0, [r0]
-	movs r1, 0x19
-	movs r2, 0x1
-	movs r3, 0x2
-	bl LinkTest_prnthex
-	ldr r0, _0800A880 @ =gLastRecvQueueCount
-	ldrb r0, [r0]
-	movs r1, 0x19
-	movs r2, 0x2
-	movs r3, 0x2
-	bl LinkTest_prnthex
-	bl GetBlockReceivedStatus
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0xF
-	movs r2, 0x5
-	movs r3, 0x2
-	bl LinkTest_prnthex
-	ldr r0, _0800A884 @ =gLinkDebugSeed
-	ldr r0, [r0]
-	movs r1, 0x2
-	movs r2, 0xC
-	movs r3, 0x8
-	bl LinkTest_prnthex
-	ldr r0, _0800A888 @ =gLinkDebugFlags
-	ldr r0, [r0]
-	movs r1, 0x2
-	movs r2, 0xD
-	movs r3, 0x8
-	bl LinkTest_prnthex
-	bl GetSioMultiSI
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0x19
-	movs r2, 0x5
-	movs r3, 0x1
-	bl LinkTest_prnthex
-	bl IsSioMultiMaster
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0x19
-	movs r2, 0x6
-	movs r3, 0x1
-	bl LinkTest_prnthex
-	bl IsLinkConnectionEstablished
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0x19
-	movs r2, 0x7
-	movs r3, 0x1
-	bl LinkTest_prnthex
-	bl HasLinkErrorOccurred
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0x19
-	movs r2, 0x8
-	movs r3, 0x1
-	bl LinkTest_prnthex
-	movs r6, 0
-	movs r5, 0x80
-	lsls r5, 19
-	ldr r4, _0800A88C @ =gLinkTestBlockChecksums
-_0800A84A:
-	ldrh r0, [r4]
-	lsrs r2, r5, 24
-	movs r1, 0xA
-	movs r3, 0x4
-	bl LinkTest_prnthex
-	movs r0, 0x80
-	lsls r0, 17
-	adds r5, r0
-	adds r4, 0x2
-	adds r6, 0x1
-	cmp r6, 0x3
-	ble _0800A84A
-	add sp, 0x20
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A86C: .4byte gASCIITestPrint
-_0800A870: .4byte gShouldAdvanceLinkState
-_0800A874: .4byte gLinkStatus
-_0800A878: .4byte gLink
-_0800A87C: .4byte gLastSendQueueCount
-_0800A880: .4byte gLastRecvQueueCount
-_0800A884: .4byte gLinkDebugSeed
-_0800A888: .4byte gLinkDebugFlags
-_0800A88C: .4byte gLinkTestBlockChecksums
-	thumb_func_end task00_link_test
-
-	thumb_func_start SetLinkDebugValues
-SetLinkDebugValues: @ 800A890
-	ldr r2, _0800A89C @ =gLinkDebugSeed
-	str r0, [r2]
-	ldr r0, _0800A8A0 @ =gLinkDebugFlags
-	str r1, [r0]
-	bx lr
-	.align 2, 0
-_0800A89C: .4byte gLinkDebugSeed
-_0800A8A0: .4byte gLinkDebugFlags
-	thumb_func_end SetLinkDebugValues
-
-	thumb_func_start sub_800A8A4
-sub_800A8A4: @ 800A8A4
-	push {r4,lr}
-	movs r1, 0
-	movs r2, 0
-	ldr r0, _0800A8D0 @ =gSavedLinkPlayerCount
-	ldrb r0, [r0]
-	cmp r1, r0
-	bge _0800A8C6
-	movs r4, 0x1
-	adds r3, r0, 0
-_0800A8B6:
-	adds r0, r4, 0
-	lsls r0, r2
-	orrs r1, r0
-	lsls r0, r1, 24
-	lsrs r1, r0, 24
-	adds r2, 0x1
-	cmp r2, r3
-	blt _0800A8B6
-_0800A8C6:
-	adds r0, r1, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800A8D0: .4byte gSavedLinkPlayerCount
-	thumb_func_end sub_800A8A4
-
-	thumb_func_start sub_800A8D4
-sub_800A8D4: @ 800A8D4
-	push {r4-r6,lr}
-	movs r4, 0
-	movs r5, 0
-	movs r6, 0x1
-	b _0800A8EA
-_0800A8DE:
-	adds r0, r6, 0
-	lsls r0, r5
-	orrs r4, r0
-	lsls r0, r4, 24
-	lsrs r4, r0, 24
-	adds r5, 0x1
-_0800A8EA:
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r5, r0
-	blt _0800A8DE
-	adds r0, r4, 0
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800A8D4
-
-	thumb_func_start sub_800A900
-sub_800A900: @ 800A900
-	push {r4-r7,lr}
-	ldr r1, _0800A934 @ =gSavedLinkPlayerCount
-	strb r0, [r1]
-	bl GetMultiplayerId
-	ldr r1, _0800A938 @ =gSavedMultiplayerId
-	strb r0, [r1]
-	ldr r4, _0800A93C @ =gLinkPlayers
-	ldr r3, _0800A940 @ =gSavedLinkPlayers
-	movs r2, 0x4
-_0800A914:
-	adds r0, r3, 0
-	adds r1, r4, 0
-	ldm r1!, {r5-r7}
-	stm r0!, {r5-r7}
-	ldm r1!, {r5-r7}
-	stm r0!, {r5-r7}
-	ldr r1, [r1]
-	str r1, [r0]
-	adds r4, 0x1C
-	adds r3, 0x1C
-	subs r2, 0x1
-	cmp r2, 0
-	bge _0800A914
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A934: .4byte gSavedLinkPlayerCount
-_0800A938: .4byte gSavedMultiplayerId
-_0800A93C: .4byte gLinkPlayers
-_0800A940: .4byte gSavedLinkPlayers
-	thumb_func_end sub_800A900
-
-	thumb_func_start sub_800A944
-sub_800A944: @ 800A944
-	ldr r0, _0800A94C @ =gSavedLinkPlayerCount
-	ldrb r0, [r0]
-	bx lr
-	.align 2, 0
-_0800A94C: .4byte gSavedLinkPlayerCount
-	thumb_func_end sub_800A944
-
-	thumb_func_start sub_800A950
-sub_800A950: @ 800A950
-	ldr r0, _0800A958 @ =gSavedMultiplayerId
-	ldrb r0, [r0]
-	bx lr
-	.align 2, 0
-_0800A958: .4byte gSavedMultiplayerId
-	thumb_func_end sub_800A950
-
-	thumb_func_start sub_800A95C
-sub_800A95C: @ 800A95C
-	push {r4-r6,lr}
-	movs r5, 0
-	ldr r0, _0800A990 @ =gSavedLinkPlayerCount
-	ldrb r2, [r0]
-	adds r6, r0, 0
-	cmp r5, r2
-	bge _0800A986
-	ldr r1, _0800A994 @ =gLinkPlayers
-	ldr r0, _0800A998 @ =gSavedLinkPlayers
-	adds r4, r0, 0x4
-	adds r3, r1, 0x4
-_0800A972:
-	ldr r1, [r3]
-	ldr r0, [r4]
-	cmp r1, r0
-	bne _0800A97C
-	adds r5, 0x1
-_0800A97C:
-	adds r4, 0x1C
-	adds r3, 0x1C
-	subs r2, 0x1
-	cmp r2, 0
-	bne _0800A972
-_0800A986:
-	ldrb r6, [r6]
-	cmp r5, r6
-	beq _0800A99C
-	movs r0, 0
-	b _0800A99E
-	.align 2, 0
-_0800A990: .4byte gSavedLinkPlayerCount
-_0800A994: .4byte gLinkPlayers
-_0800A998: .4byte gSavedLinkPlayers
-_0800A99C:
-	movs r0, 0x1
-_0800A99E:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800A95C
-
-	thumb_func_start sub_800A9A4
-sub_800A9A4: @ 800A9A4
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	movs r4, 0
-	ldr r0, _0800AA10 @ =gSavedLinkPlayerCount
-	ldrb r0, [r0]
-	cmp r4, r0
-	bcs _0800AA04
-	ldr r6, _0800AA14 @ =gSavedLinkPlayers
-	ldr r5, _0800AA18 @ =gLinkPlayers
-	movs r0, 0x8
-	adds r0, r6
-	mov r8, r0
-	adds r7, r5, 0
-	adds r7, 0x8
-_0800A9C2:
-	lsls r0, r4, 3
-	subs r0, r4
-	lsls r2, r0, 2
-	adds r1, r6, 0x4
-	adds r1, r2, r1
-	adds r0, r5, 0x4
-	adds r0, r2, r0
-	ldr r1, [r1]
-	ldr r0, [r0]
-	cmp r1, r0
-	bne _0800A9E6
-	mov r1, r8
-	adds r0, r2, r1
-	adds r1, r2, r7
-	bl StringCompare
-	cmp r0, 0
-	beq _0800A9F6
-_0800A9E6:
-	ldr r1, _0800AA1C @ =gLinkErrorOccurred
-	movs r0, 0x1
-	strb r0, [r1]
-	bl CloseLink
-	ldr r0, _0800AA20 @ =CB2_LinkError
-	bl SetMainCallback2
-_0800A9F6:
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _0800AA10 @ =gSavedLinkPlayerCount
-	ldrb r0, [r0]
-	cmp r4, r0
-	bcc _0800A9C2
-_0800AA04:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800AA10: .4byte gSavedLinkPlayerCount
-_0800AA14: .4byte gSavedLinkPlayers
-_0800AA18: .4byte gLinkPlayers
-_0800AA1C: .4byte gLinkErrorOccurred
-_0800AA20: .4byte CB2_LinkError
-	thumb_func_end sub_800A9A4
-
-	thumb_func_start sub_800AA24
-sub_800AA24: @ 800AA24
-	ldr r0, _0800AA30 @ =gSavedLinkPlayerCount
-	movs r1, 0
-	strb r1, [r0]
-	ldr r0, _0800AA34 @ =gSavedMultiplayerId
-	strb r1, [r0]
-	bx lr
-	.align 2, 0
-_0800AA30: .4byte gSavedLinkPlayerCount
-_0800AA34: .4byte gSavedMultiplayerId
-	thumb_func_end sub_800AA24
-
-	thumb_func_start GetLinkPlayerCount_2
-GetLinkPlayerCount_2: @ 800AA38
-	ldr r0, _0800AA44 @ =gLinkStatus
-	ldr r0, [r0]
-	movs r1, 0x1C
-	ands r0, r1
-	lsrs r0, 2
-	bx lr
-	.align 2, 0
-_0800AA44: .4byte gLinkStatus
-	thumb_func_end GetLinkPlayerCount_2
-
-	thumb_func_start IsLinkMaster
-IsLinkMaster: @ 800AA48
-	push {lr}
-	ldr r0, _0800AA60 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0800AA68
-	ldr r0, _0800AA64 @ =gLinkStatus
-	ldr r0, [r0]
-	lsrs r0, 5
-	movs r1, 0x1
-	ands r0, r1
-	b _0800AA70
-	.align 2, 0
-_0800AA60: .4byte gWirelessCommType
-_0800AA64: .4byte gLinkStatus
-_0800AA68:
-	bl sub_80FBA2C
-	lsls r0, 24
-	lsrs r0, 24
-_0800AA70:
-	pop {r1}
-	bx r1
-	thumb_func_end IsLinkMaster
-
-	thumb_func_start sub_800AA74
-sub_800AA74: @ 800AA74
-	ldr r0, _0800AA7C @ =gUnknown_3000E50
-	ldrb r0, [r0]
-	bx lr
-	.align 2, 0
-_0800AA7C: .4byte gUnknown_3000E50
-	thumb_func_end sub_800AA74
-
-	thumb_func_start sub_800AA80
-sub_800AA80: @ 800AA80
-	push {lr}
-	lsls r0, 16
-	lsrs r3, r0, 16
-	ldr r0, _0800AA94 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800AA98
-	bl task_add_05_task_del_08FA224_when_no_RfuFunc
-	b _0800AAAC
-	.align 2, 0
-_0800AA94: .4byte gWirelessCommType
-_0800AA98:
-	ldr r2, _0800AAB0 @ =gLinkCallback
-	ldr r1, [r2]
-	cmp r1, 0
-	bne _0800AAAC
-	ldr r0, _0800AAB4 @ =sub_800AB0C
-	str r0, [r2]
-	ldr r0, _0800AAB8 @ =gUnknown_3003F24
-	strb r1, [r0]
-	ldr r0, _0800AABC @ =gUnknown_3003F34
-	strh r3, [r0]
-_0800AAAC:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800AAB0: .4byte gLinkCallback
-_0800AAB4: .4byte sub_800AB0C
-_0800AAB8: .4byte gUnknown_3003F24
-_0800AABC: .4byte gUnknown_3003F34
-	thumb_func_end sub_800AA80
-
-	thumb_func_start sub_800AAC0
-sub_800AAC0: @ 800AAC0
-	push {lr}
-	ldr r0, _0800AAD0 @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800AAD4
-	bl task_add_05_task_del_08FA224_when_no_RfuFunc
-	b _0800AAFC
-	.align 2, 0
-_0800AAD0: .4byte gWirelessCommType
-_0800AAD4:
-	ldr r2, _0800AAE8 @ =gLinkCallback
-	ldr r1, [r2]
-	cmp r1, 0
-	beq _0800AAF0
-	ldr r1, _0800AAEC @ =gUnknown_202285C
-	ldrh r0, [r1]
-	adds r0, 0x1
-	strh r0, [r1]
-	b _0800AAFC
-	.align 2, 0
-_0800AAE8: .4byte gLinkCallback
-_0800AAEC: .4byte gUnknown_202285C
-_0800AAF0:
-	ldr r0, _0800AB00 @ =sub_800AB0C
-	str r0, [r2]
-	ldr r0, _0800AB04 @ =gUnknown_3003F24
-	strb r1, [r0]
-	ldr r0, _0800AB08 @ =gUnknown_3003F34
-	strh r1, [r0]
-_0800AAFC:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800AB00: .4byte sub_800AB0C
-_0800AB04: .4byte gUnknown_3003F24
-_0800AB08: .4byte gUnknown_3003F34
-	thumb_func_end sub_800AAC0
-
-	thumb_func_start sub_800AB0C
-sub_800AB0C: @ 800AB0C
-	push {lr}
-	ldr r0, _0800AB28 @ =gLastRecvQueueCount
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0800AB22
-	ldr r0, _0800AB2C @ =0x00005fff
-	bl BuildSendCmd
-	ldr r1, _0800AB30 @ =gLinkCallback
-	ldr r0, _0800AB34 @ =sub_800AB38
-	str r0, [r1]
-_0800AB22:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800AB28: .4byte gLastRecvQueueCount
-_0800AB2C: .4byte 0x00005fff
-_0800AB30: .4byte gLinkCallback
-_0800AB34: .4byte sub_800AB38
-	thumb_func_end sub_800AB0C
-
-	thumb_func_start sub_800AB38
-sub_800AB38: @ 800AB38
-	push {r4,lr}
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r3, 0
-	movs r1, 0
-	cmp r3, r2
-	bge _0800AB5C
-	ldr r4, _0800AB84 @ =gUnknown_3003F30
-_0800AB4C:
-	adds r0, r1, r4
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800AB56
-	adds r3, 0x1
-_0800AB56:
-	adds r1, 0x1
-	cmp r1, r2
-	blt _0800AB4C
-_0800AB5C:
-	cmp r3, r2
-	bne _0800AB7E
-	ldr r2, _0800AB88 @ =gBattleTypeFlags
-	ldr r0, [r2]
-	ldr r1, _0800AB8C @ =0x0000ffdf
-	ands r0, r1
-	str r0, [r2]
-	ldr r0, _0800AB90 @ =gLinkVSyncDisabled
-	movs r4, 0x1
-	strb r4, [r0]
-	bl CloseLink
-	ldr r1, _0800AB94 @ =gLinkCallback
-	movs r0, 0
-	str r0, [r1]
-	ldr r0, _0800AB98 @ =gUnknown_3003F24
-	strb r4, [r0]
-_0800AB7E:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800AB84: .4byte gUnknown_3003F30
-_0800AB88: .4byte gBattleTypeFlags
-_0800AB8C: .4byte 0x0000ffdf
-_0800AB90: .4byte gLinkVSyncDisabled
-_0800AB94: .4byte gLinkCallback
-_0800AB98: .4byte gUnknown_3003F24
-	thumb_func_end sub_800AB38
-
-	thumb_func_start sub_800AB9C
-sub_800AB9C: @ 800AB9C
-	push {lr}
-	ldr r0, _0800ABAC @ =gWirelessCommType
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800ABB0
-	bl sub_80FA42C
-	b _0800ABC2
-	.align 2, 0
-_0800ABAC: .4byte gWirelessCommType
-_0800ABB0:
-	ldr r1, _0800ABC8 @ =gLinkCallback
-	ldr r0, [r1]
-	cmp r0, 0
-	bne _0800ABBC
-	ldr r0, _0800ABCC @ =sub_800ABD4
-	str r0, [r1]
-_0800ABBC:
-	ldr r1, _0800ABD0 @ =gUnknown_3003F24
-	movs r0, 0
-	strb r0, [r1]
-_0800ABC2:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800ABC8: .4byte gLinkCallback
-_0800ABCC: .4byte sub_800ABD4
-_0800ABD0: .4byte gUnknown_3003F24
-	thumb_func_end sub_800AB9C
-
-	thumb_func_start sub_800ABD4
-sub_800ABD4: @ 800ABD4
-	push {lr}
-	ldr r0, _0800ABF0 @ =gLastRecvQueueCount
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0800ABEA
-	ldr r0, _0800ABF4 @ =0x00002ffe
-	bl BuildSendCmd
-	ldr r1, _0800ABF8 @ =gLinkCallback
-	ldr r0, _0800ABFC @ =sub_800AC00
-	str r0, [r1]
-_0800ABEA:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800ABF0: .4byte gLastRecvQueueCount
-_0800ABF4: .4byte 0x00002ffe
-_0800ABF8: .4byte gLinkCallback
-_0800ABFC: .4byte sub_800AC00
-	thumb_func_end sub_800ABD4
-
-	thumb_func_start sub_800AC00
-sub_800AC00: @ 800AC00
-	push {r4,lr}
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r1, 0
-	cmp r1, r2
-	bcs _0800AC2A
-	ldr r3, _0800AC50 @ =gUnknown_3003F2C
-	ldrb r0, [r3]
-	cmp r0, 0
-	beq _0800AC2A
-_0800AC18:
-	adds r0, r1, 0x1
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, r2
-	bcs _0800AC2A
-	adds r0, r1, r3
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0800AC18
-_0800AC2A:
-	cmp r1, r2
-	bne _0800AC48
-	movs r1, 0
-	ldr r4, _0800AC54 @ =gLinkCallback
-	ldr r3, _0800AC50 @ =gUnknown_3003F2C
-	movs r2, 0
-_0800AC36:
-	adds r0, r1, r3
-	strb r2, [r0]
-	adds r0, r1, 0x1
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x3
-	bls _0800AC36
-	movs r0, 0
-	str r0, [r4]
-_0800AC48:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800AC50: .4byte gUnknown_3003F2C
-_0800AC54: .4byte gLinkCallback
-	thumb_func_end sub_800AC00
-
-	thumb_func_start CheckErrorStatus
-CheckErrorStatus: @ 800AC58
-	push {lr}
-	ldr r0, _0800AC9C @ =gLinkOpen
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800AC98
-	ldr r0, _0800ACA0 @ =gLinkStatus
-	ldr r2, [r0]
-	movs r0, 0xFE
-	lsls r0, 11
-	ands r0, r2
-	cmp r0, 0
-	beq _0800AC98
-	ldr r0, _0800ACA4 @ =gSuppressLinkErrorMessage
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0800AC8E
-	ldr r1, _0800ACA8 @ =sLinkErrorBuffer
-	str r2, [r1]
-	ldr r0, _0800ACAC @ =gLastRecvQueueCount
-	ldrb r0, [r0]
-	strb r0, [r1, 0x4]
-	ldr r0, _0800ACB0 @ =gLastSendQueueCount
-	ldrb r0, [r0]
-	strb r0, [r1, 0x5]
-	ldr r0, _0800ACB4 @ =CB2_LinkError
-	bl SetMainCallback2
-_0800AC8E:
-	ldr r1, _0800ACB8 @ =gLinkErrorOccurred
-	movs r0, 0x1
-	strb r0, [r1]
-	bl CloseLink
-_0800AC98:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800AC9C: .4byte gLinkOpen
-_0800ACA0: .4byte gLinkStatus
-_0800ACA4: .4byte gSuppressLinkErrorMessage
-_0800ACA8: .4byte sLinkErrorBuffer
-_0800ACAC: .4byte gLastRecvQueueCount
-_0800ACB0: .4byte gLastSendQueueCount
-_0800ACB4: .4byte CB2_LinkError
-_0800ACB8: .4byte gLinkErrorOccurred
-	thumb_func_end CheckErrorStatus
-
 	thumb_func_start sub_800ACBC
 sub_800ACBC: @ 800ACBC
 	push {r4,lr}
diff --git a/asm/link_rfu_2.s b/asm/link_rfu_2.s
index 3b6ec730f..04c4621e7 100644
--- a/asm/link_rfu_2.s
+++ b/asm/link_rfu_2.s
@@ -2148,8 +2148,8 @@ _080F9718: .4byte gUnknown_3005AF0
 _080F971C: .4byte gUnknown_30054BE
 	thumb_func_end sub_80F965C
 
-	thumb_func_start sub_80F9720
-sub_80F9720: @ 80F9720
+	thumb_func_start Rfu_SetBlockReceivedFlag
+Rfu_SetBlockReceivedFlag: @ 80F9720
 	push {lr}
 	lsls r0, 24
 	lsrs r1, r0, 24
@@ -2173,10 +2173,10 @@ _080F9740:
 _080F9748:
 	pop {r0}
 	bx r0
-	thumb_func_end sub_80F9720
+	thumb_func_end Rfu_SetBlockReceivedFlag
 
-	thumb_func_start sub_80F974C
-sub_80F974C: @ 80F974C
+	thumb_func_start Rfu_ResetBlockReceivedFlag
+Rfu_ResetBlockReceivedFlag: @ 80F974C
 	lsls r0, 24
 	lsrs r0, 24
 	ldr r3, _080F976C @ =gUnknown_3005450
@@ -2194,7 +2194,7 @@ sub_80F974C: @ 80F974C
 	bx lr
 	.align 2, 0
 _080F976C: .4byte gUnknown_3005450
-	thumb_func_end sub_80F974C
+	thumb_func_end Rfu_ResetBlockReceivedFlag
 
 	thumb_func_start sub_80F9770
 sub_80F9770: @ 80F9770
@@ -2281,8 +2281,8 @@ sub_80F9800: @ 80F9800
 _080F9804: .4byte gUnknown_3005440
 	thumb_func_end sub_80F9800
 
-	thumb_func_start sub_80F9808
-sub_80F9808: @ 80F9808
+	thumb_func_start IsSendingKeysToRfu
+IsSendingKeysToRfu: @ 80F9808
 	push {lr}
 	movs r2, 0
 	ldr r0, _080F9820 @ =gUnknown_3005450
@@ -2298,7 +2298,7 @@ _080F9818:
 	.align 2, 0
 _080F9820: .4byte gUnknown_3005450
 _080F9824: .4byte rfu_func_080F97B8
-	thumb_func_end sub_80F9808
+	thumb_func_end IsSendingKeysToRfu
 
 	thumb_func_start sub_80F9828
 sub_80F9828: @ 80F9828
@@ -2326,15 +2326,15 @@ _080F9854: .4byte gUnknown_843EDC4
 _080F9858: .4byte rfu_func_080F97B8
 	thumb_func_end sub_80F9828
 
-	thumb_func_start sub_80F985C
-sub_80F985C: @ 80F985C
+	thumb_func_start Rfu_set_zero
+Rfu_set_zero: @ 80F985C
 	ldr r1, _080F9864 @ =gUnknown_3005450
 	movs r0, 0
 	str r0, [r1]
 	bx lr
 	.align 2, 0
 _080F9864: .4byte gUnknown_3005450
-	thumb_func_end sub_80F985C
+	thumb_func_end Rfu_set_zero
 
 	thumb_func_start sub_80F9868
 sub_80F9868: @ 80F9868
@@ -2597,7 +2597,7 @@ _080F9A4C:
 	mov r1, r8
 	lsls r0, r1, 24
 	lsrs r0, 24
-	bl sub_80F9720
+	bl Rfu_SetBlockReceivedFlag
 	bl sub_80F9800
 	ldrb r1, [r0, 0xA]
 	movs r0, 0x7F
@@ -2637,7 +2637,7 @@ _080F9A9C:
 	adds r2, 0x4
 	adds r1, r2
 	ldrh r1, [r1]
-	bl sub_80F9E60
+	bl Rfu_InitBlockSend
 	b _080F9BF4
 	.align 2, 0
 _080F9AB8: .4byte gUnknown_843EC64
@@ -2909,8 +2909,8 @@ sub_80F9CB4: @ 80F9CB4
 	bx lr
 	thumb_func_end sub_80F9CB4
 
-	thumb_func_start sub_80F9CC8
-sub_80F9CC8: @ 80F9CC8
+	thumb_func_start Rfu_GetBlockReceivedStatus
+Rfu_GetBlockReceivedStatus: @ 80F9CC8
 	push {r4,lr}
 	movs r2, 0
 	movs r1, 0
@@ -2942,7 +2942,7 @@ _080F9CEE:
 	bx r1
 	.align 2, 0
 _080F9D00: .4byte gUnknown_3005450
-	thumb_func_end sub_80F9CC8
+	thumb_func_end Rfu_GetBlockReceivedStatus
 
 	thumb_func_start sub_80F9D04
 sub_80F9D04: @ 80F9D04
@@ -3126,8 +3126,8 @@ _080F9E58: .4byte gSendCmd
 _080F9E5C: .4byte gUnknown_3005542
 	thumb_func_end sub_80F9E2C
 
-	thumb_func_start sub_80F9E60
-sub_80F9E60: @ 80F9E60
+	thumb_func_start Rfu_InitBlockSend
+Rfu_InitBlockSend: @ 80F9E60
 	push {r4-r7,lr}
 	mov r7, r9
 	mov r6, r8
@@ -3235,7 +3235,7 @@ _080F9F2A:
 _080F9F38: .4byte gBlockSendBuffer
 _080F9F3C: .4byte gUnknown_3005450
 _080F9F40: .4byte rfufunc_80F9F44
-	thumb_func_end sub_80F9E60
+	thumb_func_end Rfu_InitBlockSend
 
 	thumb_func_start rfufunc_80F9F44
 rfufunc_80F9F44: @ 80F9F44
@@ -4003,17 +4003,17 @@ _080FA4E6:
 	bx r1
 	thumb_func_end rfu_get_multiplayer_id
 
-	thumb_func_start sub_80FA4EC
-sub_80FA4EC: @ 80FA4EC
+	thumb_func_start GetRfuPlayerCount
+GetRfuPlayerCount: @ 80FA4EC
 	ldr r0, _080FA4F4 @ =gUnknown_3005450
 	ldrb r0, [r0, 0xD]
 	bx lr
 	.align 2, 0
 _080FA4F4: .4byte gUnknown_3005450
-	thumb_func_end sub_80FA4EC
+	thumb_func_end GetRfuPlayerCount
 
-	thumb_func_start IsNoOneConnected
-IsNoOneConnected: @ 80FA4F8
+	thumb_func_start IsRfuTaskFinished
+IsRfuTaskFinished: @ 80FA4F8
 	push {lr}
 	movs r1, 0
 	ldr r0, _080FA50C @ =gUnknown_3005450
@@ -4027,7 +4027,7 @@ _080FA506:
 	bx r1
 	.align 2, 0
 _080FA50C: .4byte gUnknown_3005450
-	thumb_func_end IsNoOneConnected
+	thumb_func_end IsRfuTaskFinished
 
 	thumb_func_start sub_80FA510
 sub_80FA510: @ 80FA510
@@ -4590,7 +4590,7 @@ _080FA940:
 	bl sub_800B110
 	lsls r0, r4, 24
 	lsrs r0, 24
-	bl sub_80F974C
+	bl Rfu_ResetBlockReceivedFlag
 	adds r4, 0x1
 	ldrb r2, [r5, 0xD]
 	cmp r4, r2
@@ -6812,14 +6812,14 @@ sub_80FBA1C: @ 80FBA1C
 _080FBA28: .4byte gUnknown_3005450
 	thumb_func_end sub_80FBA1C
 
-	thumb_func_start sub_80FBA2C
-sub_80FBA2C: @ 80FBA2C
+	thumb_func_start Rfu_IsMaster
+Rfu_IsMaster: @ 80FBA2C
 	ldr r0, _080FBA34 @ =gUnknown_3005450
 	ldrb r0, [r0, 0xC]
 	bx lr
 	.align 2, 0
 _080FBA34: .4byte gUnknown_3005450
-	thumb_func_end sub_80FBA2C
+	thumb_func_end Rfu_IsMaster
 
 	thumb_func_start RFUVSync
 RFUVSync: @ 80FBA38
diff --git a/asm/overworld.s b/asm/overworld.s
index 10d1b4ee8..ef63df6bb 100644
--- a/asm/overworld.s
+++ b/asm/overworld.s
@@ -5643,7 +5643,7 @@ c1_link_related: @ 8057884
 	bl sub_80F90DC
 	cmp r0, 0
 	beq _0805789E
-	bl sub_800A00C
+	bl IsSendingKeysToLink
 	cmp r0, 0
 	bne _080578C0
 _0805789E:
@@ -6147,7 +6147,7 @@ _08057C72:
 	bl IsUpdateLinkStateCBActive
 	cmp r0, 0x1
 	bne _08057CA8
-	bl sub_800A00C
+	bl IsSendingKeysToLink
 	cmp r0, 0x1
 	bne _08057CA8
 	cmp r4, 0x11
@@ -7012,7 +7012,7 @@ sub_8058274: @ 8058274
 	bl IsUpdateLinkStateCBActive
 	cmp r0, 0x1
 	bne _080582D8
-	bl sub_800A00C
+	bl IsSendingKeysToLink
 	cmp r0, 0x1
 	bne _080582D8
 	ldr r0, _080582C4 @ =gUnknown_3000E84
@@ -7065,7 +7065,7 @@ sub_80582E0: @ 80582E0
 	bl IsUpdateLinkStateCBActive
 	cmp r0, 0x1
 	bne _08058304
-	bl sub_800A00C
+	bl IsSendingKeysToLink
 	cmp r0, 0x1
 	bne _08058304
 	ldr r0, _08058308 @ =gUnknown_3000E84
@@ -7093,7 +7093,7 @@ sub_8058318: @ 8058318
 	ldrb r0, [r0]
 	cmp r0, 0
 	bne _08058334
-	bl sub_800A00C
+	bl IsSendingKeysToLink
 	cmp r0, 0
 	beq _08058334
 	movs r0, 0x1
diff --git a/asm/trade.s b/asm/trade.s
index 52db4c7d2..0c1c168cc 100644
--- a/asm/trade.s
+++ b/asm/trade.s
@@ -334,7 +334,7 @@ _0804C8F0: .4byte gUnknown_2031DA8
 _0804C8F4:
 	bl GetLinkPlayerCount_2
 	adds r4, r0, 0
-	bl sub_800A944
+	bl GetSavedPlayerCount
 	lsls r4, 24
 	lsls r0, 24
 	cmp r4, r0
@@ -422,7 +422,7 @@ _0804C9B0:
 	ldrb r0, [r0]
 	cmp r0, 0
 	beq _0804C9E8
-	bl IsNoOneConnected
+	bl IsRfuTaskFinished
 	lsls r0, 24
 	cmp r0, 0
 	bne _0804C9C4
@@ -1832,7 +1832,7 @@ sub_804D5A4: @ 804D5A4
 	ldrb r0, [r0]
 	cmp r0, 0
 	beq _0804D5FC
-	bl IsNoOneConnected
+	bl IsRfuTaskFinished
 	lsls r0, 24
 	cmp r0, 0
 	beq _0804D620
@@ -7557,7 +7557,7 @@ _080502A8:
 _080502B4:
 	bl GetLinkPlayerCount_2
 	adds r4, r0, 0
-	bl sub_800A944
+	bl GetSavedPlayerCount
 	lsls r4, 24
 	lsls r0, 24
 	cmp r4, r0
@@ -14745,7 +14745,7 @@ _0805434C:
 	ldr r0, _08054378 @ =sub_804C718
 	cmp r1, r0
 	bne _08054384
-	bl IsNoOneConnected
+	bl IsRfuTaskFinished
 	lsls r0, 24
 	cmp r0, 0
 	beq _08054396
diff --git a/include/link.h b/include/link.h
index 220465046..1360ce8cc 100644
--- a/include/link.h
+++ b/include/link.h
@@ -19,6 +19,20 @@
 #define LINK_STAT_RECEIVED_NOTHING       0x00000100
 #define LINK_STAT_RECEIVED_NOTHING_SHIFT 8
 #define LINK_STAT_ERRORS                 0x0007F000
+#define LINK_STAT_ERRORS_SHIFT           12
+
+#define LINK_STAT_ERROR_HARDWARE         0x00001000
+#define LINK_STAT_ERROR_HARDWARE_SHIFT   12
+#define LINK_STAT_ERROR_CHECKSUM         0x00002000
+#define LINK_STAT_ERROR_CHECKSUM_SHIFT   13
+#define LINK_STAT_ERROR_QUEUE_FULL       0x00004000
+#define LINK_STAT_ERROR_QUEUE_FULL_SHIFT 14
+#define LINK_STAT_ERROR_LAG_MASTER       0x00010000
+#define LINK_STAT_ERROR_LAG_MASTER_SHIFT 16
+#define LINK_STAT_ERROR_INVALID_ID       0x00020000
+#define LINK_STAT_ERROR_INVALID_ID_SHIFT 17
+#define LINK_STAT_ERROR_LAG_SLAVE        0x00040000
+#define LINK_STAT_ERROR_LAG_SLAVE_SHIFT  18
 
 #define EXTRACT_PLAYER_COUNT(status) \
 (((status) & LINK_STAT_PLAYER_COUNT) >> LINK_STAT_PLAYER_COUNT_SHIFT)
@@ -28,6 +42,8 @@
 (((status) >> LINK_STAT_CONN_ESTABLISHED_SHIFT) & 1)
 #define EXTRACT_RECEIVED_NOTHING(status) \
 (((status) >> LINK_STAT_RECEIVED_NOTHING_SHIFT) & 1)
+#define EXTRACT_LINK_ERRORS(status) \
+(((status) & LINK_STAT_ERRORS) >> LINK_STAT_ERRORS_SHIFT)
 
 #define LINKCMD_SEND_LINK_TYPE 0x2222
 #define LINKCMD_0x2FFE             0x2FFE
@@ -62,6 +78,10 @@ enum
     EXCHANGE_COMPLETE,
     EXCHANGE_TIMED_OUT,
     EXCHANGE_IN_PROGRESS,
+    EXCHANGE_STAT_4,
+    EXCHANGE_STAT_5,
+    EXCHANGE_STAT_6,
+    EXCHANGE_STAT_7
 };
 
 enum
@@ -174,7 +194,7 @@ void ClearLinkCallback(void);
 void ClearLinkCallback_2(void);
 u8 GetLinkPlayerCount(void);
 void OpenLinkTimed(void);
-u8 GetLinkPlayerDataExchangeStatusTimed(void);
+u8 GetLinkPlayerDataExchangeStatusTimed(int lower, int higher);
 bool8 IsLinkPlayerDataExchangeComplete(void);
 u32 GetLinkPlayerTrainerId(u8);
 void ResetLinkPlayers(void);
@@ -217,7 +237,7 @@ void sub_800AAC0(void);
 void OpenLink(void);
 bool8 IsLinkMaster(void);
 void CheckShouldAdvanceLinkState(void);
-void sub_800AA80(u8);
+void sub_800AA80(u16 a0);
 void sub_80098D8(void);
 void CloseLink(void);
 bool8 IsLinkTaskFinished(void);
@@ -228,6 +248,7 @@ void sub_800B1F4(void);
 void LoadWirelessStatusIndicatorSpriteGfx(void);
 void CreateWirelessStatusIndicatorSprite(u8, u8);
 void sub_8009FE8(void);
-void sub_800A068(void);
+void ClearLinkCallback_2(void);
+void sub_80FA42C(void);
 
 #endif // GUARD_LINK_H
diff --git a/include/link_rfu.h b/include/link_rfu.h
index e7fa2a848..e64c0ed59 100644
--- a/include/link_rfu.h
+++ b/include/link_rfu.h
@@ -11,7 +11,7 @@ bool32 MG_PrintTextOnWindow1AndWaitButton(u8 * cmdPtr, const u8 * src);
 void sub_80FA190(void);
 void MG_DrawCheckerboardPattern(void);
 void task_add_05_task_del_08FA224_when_no_RfuFunc(void);
-bool8 IsNoOneConnected(void);
+bool8 IsRfuTaskFinished(void);
 void DestroyWirelessStatusIndicatorSprite(void);
 void MEvent_CreateTask_CardOrNewsWithFriend(u8);
 void MEvent_CreateTask_CardOrNewsOverWireless(u8);
@@ -22,5 +22,16 @@ void sub_80FBB4C(void);
 void sub_80F86F4(void);
 void sub_80FB128(bool32 a0);
 u32 sub_80FD3A4(void);
+bool32 IsSendingKeysToRfu(void);
+void Rfu_set_zero(void);
+u8 GetRfuPlayerCount(void);
+void sub_80F9828(void);
+u8 rfu_get_multiplayer_id(void);
+bool8 Rfu_InitBlockSend(const void * src, u16 size);
+bool8 sub_80FA0F8(u8 a0);
+u8 Rfu_GetBlockReceivedStatus(void);
+void Rfu_SetBlockReceivedFlag(u8 who);
+void Rfu_ResetBlockReceivedFlag(u8 who);
+bool8 Rfu_IsMaster(void);
 
 #endif //GUARD_LINK_RFU_H
diff --git a/include/trade.h b/include/trade.h
new file mode 100644
index 000000000..02ed7d8c4
--- /dev/null
+++ b/include/trade.h
@@ -0,0 +1,6 @@
+#ifndef GUARD_TRADE_H
+#define GUARD_TRADE_H
+
+s32 sub_804FB34(void);
+
+#endif //GUARD_TRADE_H
diff --git a/src/field_fadetransition.c b/src/field_fadetransition.c
index b8ed41c06..2ed3b80b9 100644
--- a/src/field_fadetransition.c
+++ b/src/field_fadetransition.c
@@ -654,7 +654,7 @@ static void sub_807E678(u8 taskId)
     switch (data[0])
     {
     case 0:
-        sub_800A068();
+        ClearLinkCallback_2();
         fade_screen(1, 0);
         sub_8055F88();
         PlaySE(SE_KAIDAN);
diff --git a/src/link.c b/src/link.c
index 6f28f78c8..fce0026c6 100644
--- a/src/link.c
+++ b/src/link.c
@@ -5,6 +5,7 @@
 #include "decompress.h"
 #include "malloc.h"
 #include "save.h"
+#include "battle.h"
 #include "quest_log.h"
 #include "link_rfu.h"
 #include "librfu.h"
@@ -13,7 +14,9 @@
 #include "event_data.h"
 #include "string_util.h"
 #include "item_menu.h"
+#include "trade.h"
 #include "link.h"
+#include "constants/battle.h"
 
 extern u16 gHeldKeyCodeToSend;
 
@@ -116,20 +119,29 @@ void InitLocalLinkPlayer(void);
 void sub_800978C(void);
 void CB2_LinkTest(void);
 void ProcessRecvCmds(u8 id);
-void InitBlockSend(const void * src, size_t size);
+void sub_800A040(void);
+void ResetBlockSend(void);
+bool32 InitBlockSend(const void * src, size_t size);
+void LinkCB_BlockSendBegin(void);
+void LinkCB_BlockSend(void);
+void LinkCB_BlockSendEnd(void);
+void sub_800A3CC(void);
+void SetBlockReceivedFlag(u8 id);
 u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size);
 void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2);
 void LinkCB_RequestPlayerDataExchange(void);
-void ResetBlockSend(void);
-void task00_link_test(u8 taskId);
+void Task_PrintTestData(u8 taskId);
+void sub_800AB0C(void);
+void sub_800AB38(void);
+void sub_800ABD4(void);
+void sub_800AC00(void);
+void CheckErrorStatus(void);
 void EnableSerial(void);
 void sub_800B210(void);
 void sub_80F8DC0(void);
 void DisableSerial(void);
-void CheckErrorStatus(void);
 void sub_800B284(struct LinkPlayer * linkPlayer);
-void SetBlockReceivedFlag(u8 id);
-void sub_800A3CC(void);
+bool8 IsSioMultiMaster(void);
 
 ALIGNED(4) const u16 gWirelessLinkDisplayPal[] = INCBIN_U16("graphics/interface/wireless_link_display.gbapal");
 const u16 gWirelessLinkDisplay4bpp[] = INCBIN_U16("graphics/interface/wireless_link_display.4bpp.lz");
@@ -234,7 +246,7 @@ void LinkTestScreen(void)
     UpdatePaletteFade();
     gUnknown_3000E58 = 0;
     InitLocalLinkPlayer();
-    CreateTask(task00_link_test, 0);
+    CreateTask(Task_PrintTestData, 0);
     SetMainCallback2(CB2_LinkTest);
 }
 
@@ -640,3 +652,734 @@ void BuildSendCmd(u16 command)
         break;
     }
 }
+
+void sub_8009FE8(void)
+{
+    if (gWirelessCommType)
+    {
+        sub_80F9828();
+    }
+    gLinkCallback = sub_800A040;
+}
+
+bool32 IsSendingKeysToLink(void)
+{
+    if (gWirelessCommType)
+    {
+        return IsSendingKeysToRfu();
+    }
+    if (gLinkCallback == sub_800A040)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void sub_800A040(void)
+{
+    if (gReceivedRemoteLinkPlayers == TRUE)
+    {
+        BuildSendCmd(LINKCMD_SEND_HELD_KEYS_2);
+    }
+}
+
+void ClearLinkCallback(void)
+{
+    gLinkCallback = NULL;
+}
+
+void ClearLinkCallback_2(void)
+{
+    if (gWirelessCommType)
+    {
+        Rfu_set_zero();
+    }
+    else
+    {
+        gLinkCallback = NULL;
+    }
+}
+
+u8 GetLinkPlayerCount(void)
+{
+    if (gWirelessCommType)
+    {
+        return GetRfuPlayerCount();
+    }
+    return EXTRACT_PLAYER_COUNT(gLinkStatus);
+}
+
+void OpenLinkTimed(void)
+{
+    sPlayerDataExchangeStatus = 0;
+    gLinkTimeOutCounter = 0;
+    OpenLink();
+}
+
+u8 GetLinkPlayerDataExchangeStatusTimed(int lower, int upper)
+{
+    int i;
+    int count;
+    u32 index;
+    u8 cmpVal;
+    u32 linkType1;
+    u32 linkType2;
+
+    count = 0;
+    if (gReceivedRemoteLinkPlayers == TRUE)
+    {
+        cmpVal = GetLinkPlayerCount_2();
+        if (lower > cmpVal || cmpVal > upper)
+        {
+            sPlayerDataExchangeStatus = EXCHANGE_STAT_6;
+            return 6;
+        }
+        else
+        {
+            if (GetLinkPlayerCount() == 0)
+            {
+                gLinkErrorOccurred = TRUE;
+                CloseLink();
+            }
+            for (i = 0, index = 0; i < GetLinkPlayerCount(); index++, i++)
+            {
+                if (gLinkPlayers[index].linkType == gLinkPlayers[0].linkType)
+                {
+                    count++;
+                }
+            }
+            if (count == GetLinkPlayerCount())
+            {
+                if (gLinkPlayers[0].linkType == 0x1133)
+                {
+                    switch (sub_804FB34())
+                    {
+                    case 0:
+                        sPlayerDataExchangeStatus = EXCHANGE_COMPLETE;
+                        break;
+                    case 1:
+                        sPlayerDataExchangeStatus = EXCHANGE_STAT_4;
+                        break;
+                    case 2:
+                        sPlayerDataExchangeStatus = EXCHANGE_STAT_5;
+                        break;
+                    }
+                }
+                else
+                {
+                    sPlayerDataExchangeStatus = EXCHANGE_COMPLETE;
+                }
+            }
+            else
+            {
+                sPlayerDataExchangeStatus = EXCHANGE_IN_PROGRESS;
+            }
+        }
+    }
+    else if (++gLinkTimeOutCounter > 600)
+    {
+        sPlayerDataExchangeStatus = EXCHANGE_TIMED_OUT;
+    }
+    return sPlayerDataExchangeStatus;
+}
+
+bool8 IsLinkPlayerDataExchangeComplete(void)
+{
+    u8 i;
+    u8 count;
+    bool8 retval;
+
+    count = 0;
+    for (i = 0; i < GetLinkPlayerCount(); i++)
+    {
+        if (gLinkPlayers[i].linkType == gLinkPlayers[0].linkType)
+        {
+            count++;
+        }
+    }
+    if (count == GetLinkPlayerCount())
+    {
+        retval = TRUE;
+        sPlayerDataExchangeStatus = EXCHANGE_COMPLETE;
+    }
+    else
+    {
+        retval = FALSE;
+        sPlayerDataExchangeStatus = EXCHANGE_IN_PROGRESS;
+    }
+    return retval;
+}
+
+u32 GetLinkPlayerTrainerId(u8 who)
+{
+    return gLinkPlayers[who].trainerId;
+}
+
+void ResetLinkPlayers(void)
+{
+    int i;
+
+    for (i = 0; i <= MAX_LINK_PLAYERS; i++)
+    {
+        gLinkPlayers[i] = (struct LinkPlayer){};
+    }
+}
+
+void ResetBlockSend(void)
+{
+    sBlockSend.active = FALSE;
+    sBlockSend.pos = 0;
+    sBlockSend.size = 0;
+    sBlockSend.src = NULL;
+}
+
+bool32 InitBlockSend(const void *src, size_t size)
+{
+    if (sBlockSend.active)
+    {
+        return FALSE;
+    }
+    sBlockSend.multiplayerId = GetMultiplayerId();
+    sBlockSend.active = TRUE;
+    sBlockSend.size = size;
+    sBlockSend.pos = 0;
+    if (size > 0x100)
+    {
+        sBlockSend.src = src;
+    }
+    else
+    {
+        if (src != gBlockSendBuffer)
+        {
+            memcpy(gBlockSendBuffer, src, size);
+        }
+        sBlockSend.src = gBlockSendBuffer;
+    }
+    BuildSendCmd(LINKCMD_INIT_BLOCK);
+    gLinkCallback = LinkCB_BlockSendBegin;
+    sBlockSendDelayCounter = 0;
+    return TRUE;
+}
+
+void LinkCB_BlockSendBegin(void)
+{
+    if (++sBlockSendDelayCounter > 2)
+    {
+        gLinkCallback = LinkCB_BlockSend;
+    }
+}
+
+void LinkCB_BlockSend(void)
+{
+    int i;
+    const u8 *src;
+
+    src = sBlockSend.src;
+    gSendCmd[0] = LINKCMD_CONT_BLOCK;
+    for (i = 0; i < 7; i++)
+    {
+        gSendCmd[i + 1] = (src[sBlockSend.pos + i * 2 + 1] << 8) | src[sBlockSend.pos + i * 2];
+    }
+    sBlockSend.pos += 14;
+    if (sBlockSend.size <= sBlockSend.pos)
+    {
+        sBlockSend.active = FALSE;
+        gLinkCallback = LinkCB_BlockSendEnd;
+    }
+}
+
+void LinkCB_BlockSendEnd(void)
+{
+    gLinkCallback = NULL;
+}
+void sub_800A3AC(void)
+{
+    GetMultiplayerId();
+    BuildSendCmd(LINKCMD_SEND_HELD_KEYS);
+    gUnknown_2022114++;
+}
+
+void sub_800A3CC(void)
+{
+    gUnknown_2022114 = 0;
+    gLinkCallback = sub_800A3AC;
+}
+
+
+u32 sub_800A3E8(void)
+{
+    return gUnknown_2022114;
+}
+
+void sub_800A3F4(void)
+{
+    BuildSendCmd(LINKCMD_0xAAAA);
+}
+
+u8 GetMultiplayerId(void)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        return rfu_get_multiplayer_id();
+    }
+    return SIO_MULTI_CNT->id;
+}
+
+u8 bitmask_all_link_players_but_self(void)
+{
+    u8 mpId;
+
+    mpId = GetMultiplayerId();
+    return ((1 << MAX_LINK_PLAYERS) - 1) ^ (1 << mpId);
+}
+
+bool8 SendBlock(u8 unused, const void *src, u16 size)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        return Rfu_InitBlockSend(src, size);
+    }
+    return InitBlockSend(src, size);
+}
+
+bool8 sub_800A474(u8 a0)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        return sub_80FA0F8(a0);
+    }
+    if (gLinkCallback == NULL)
+    {
+        gBlockRequestType = a0;
+        BuildSendCmd(LINKCMD_0xCCCC);
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 IsLinkTaskFinished(void)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        return IsRfuTaskFinished();
+    }
+    return gLinkCallback == NULL;
+}
+
+u8 GetBlockReceivedStatus(void)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        return Rfu_GetBlockReceivedStatus();
+    }
+    return (gBlockReceivedStatus[3] << 3) | (gBlockReceivedStatus[2] << 2) | (gBlockReceivedStatus[1] << 1) | (gBlockReceivedStatus[0] << 0);
+}
+
+void SetBlockReceivedFlag(u8 who)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        Rfu_SetBlockReceivedFlag(who);
+    }
+    else
+    {
+        gBlockReceivedStatus[who] = TRUE;
+    }
+}
+
+void ResetBlockReceivedFlags(void)
+{
+    int i;
+
+    if (gWirelessCommType == TRUE)
+    {
+        for (i = 0; i < MAX_RFU_PLAYERS; i++)
+        {
+            Rfu_ResetBlockReceivedFlag(i);
+        }
+    }
+    else
+    {
+        for (i = 0; i < MAX_LINK_PLAYERS; i++)
+        {
+            gBlockReceivedStatus[i] = FALSE;
+        }
+    }
+}
+
+void ResetBlockReceivedFlag(u8 who)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        Rfu_ResetBlockReceivedFlag(who);
+    }
+    else if (gBlockReceivedStatus[who])
+    {
+        gBlockReceivedStatus[who] = FALSE;
+    }
+}
+
+void CheckShouldAdvanceLinkState(void)
+{
+    if ((gLinkStatus & LINK_STAT_MASTER) && EXTRACT_PLAYER_COUNT(gLinkStatus) > 1)
+    {
+        gShouldAdvanceLinkState = 1;
+    }
+}
+
+u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size)
+{
+    u16 chksum;
+    u16 i;
+
+    chksum = 0;
+    for (i = 0; i < size / 2; i++)
+    {
+        chksum += src[i];
+    }
+    return chksum;
+}
+
+void LinkTest_prnthexchar(char a0, u8 a1, u8 a2)
+{
+    u16 *vAddr;
+
+    vAddr = (u16 *)BG_SCREEN_ADDR(gLinkTestBGInfo.screenBaseBlock);
+    vAddr[a2 * 32 + a1] = (gLinkTestBGInfo.paletteNum << 12) | (a0 + 1 + gLinkTestBGInfo.dummy_8);
+}
+
+void LinkTest_prntchar(char a0, u8 a1, u8 a2)
+{
+    u16 *vAddr;
+
+    vAddr = (u16 *)BG_SCREEN_ADDR(gLinkTestBGInfo.screenBaseBlock);
+    vAddr[a2 * 32 + a1] = (gLinkTestBGInfo.paletteNum << 12) | (a0 + gLinkTestBGInfo.dummy_8);
+}
+
+void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2)
+{
+    char sp[32 / 2];
+    int i;
+
+    for (i = 0; i < a2; i++)
+    {
+        sp[i] = pos & 0xf;
+        pos >>= 4;
+    }
+    for (i = a2 - 1; i >= 0; i--)
+    {
+        LinkTest_prnthexchar(sp[i], a0, a1);
+        a0++;
+    }
+}
+
+void LinkTest_prntstr(const char *a0, u8 a1, u8 a2)
+{
+    int r6;
+    int i;
+    int r5;
+
+    r5 = 0;
+    r6 = 0;
+    for (i = 0; a0[i] != 0; a0++)
+    {
+        if (a0[i] == *"\n")
+        {
+            r5++;
+            r6 = 0;
+        }
+        else
+        {
+            LinkTest_prntchar(a0[i], a1 + r6, a2 + r5);
+            r6++;
+        }
+    }
+}
+
+void LinkCB_RequestPlayerDataExchange(void)
+{
+    if (gLinkStatus & LINK_STAT_MASTER)
+    {
+        BuildSendCmd(LINKCMD_SEND_LINK_TYPE);
+    }
+    gLinkCallback = NULL;
+}
+
+void Task_PrintTestData(u8 taskId)
+{
+    char sp[32];
+    int i;
+
+    strcpy(sp, gASCIITestPrint);
+    LinkTest_prntstr(sp, 5, 2);
+    LinkTest_prnthex(gShouldAdvanceLinkState, 2, 1, 2);
+    LinkTest_prnthex(gLinkStatus, 15, 1, 8);
+    LinkTest_prnthex(gLink.state, 2, 10, 2);
+    LinkTest_prnthex(EXTRACT_PLAYER_COUNT(gLinkStatus), 15, 10, 2);
+    LinkTest_prnthex(GetMultiplayerId(), 15, 12, 2);
+    LinkTest_prnthex(gLastSendQueueCount, 25, 1, 2);
+    LinkTest_prnthex(gLastRecvQueueCount, 25, 2, 2);
+    LinkTest_prnthex(GetBlockReceivedStatus(), 15, 5, 2);
+    LinkTest_prnthex(gLinkDebugSeed, 2, 12, 8);
+    LinkTest_prnthex(gLinkDebugFlags, 2, 13, 8);
+    LinkTest_prnthex(GetSioMultiSI(), 25, 5, 1);
+    LinkTest_prnthex(IsSioMultiMaster(), 25, 6, 1);
+    LinkTest_prnthex(IsLinkConnectionEstablished(), 25, 7, 1);
+    LinkTest_prnthex(HasLinkErrorOccurred(), 25, 8, 1);
+    for (i = 0; i < MAX_LINK_PLAYERS; i++)
+    {
+        LinkTest_prnthex(gLinkTestBlockChecksums[i], 10, 4 + i, 4);
+    }
+}
+
+void SetLinkDebugValues(u32 seed, u32 flags)
+{
+    gLinkDebugSeed = seed;
+    gLinkDebugFlags = flags;
+}
+
+u8 sub_800A8A4(void)
+{
+    int i;
+    u8 flags;
+
+    flags = 0;
+    for (i = 0; i < gSavedLinkPlayerCount; i++)
+    {
+        flags |= (1 << i);
+    }
+    return flags;
+}
+
+u8 sub_800A8D4(void)
+{
+    int i;
+    u8 flags;
+
+    flags = 0;
+    for (i = 0; i < GetLinkPlayerCount(); i++)
+    {
+        flags |= (1 << i);
+    }
+    return flags;
+}
+
+void sub_800A900(u8 a0)
+{
+    int i;
+
+    gSavedLinkPlayerCount = a0;
+    gSavedMultiplayerId = GetMultiplayerId();
+    for (i = 0; i < MAX_RFU_PLAYERS; i++)
+    {
+        gSavedLinkPlayers[i] = gLinkPlayers[i];
+    }
+}
+
+// The number of players when trading began. This is frequently compared against the
+// current number of connected players to check if anyone dropped out.
+u8 GetSavedPlayerCount(void)
+{
+    return gSavedLinkPlayerCount;
+}
+
+u8 GetSavedMultiplayerId(void)
+{
+    return gSavedMultiplayerId;
+}
+
+bool8 sub_800A95C(void)
+{
+    int i;
+    unsigned count;
+
+    count = 0;
+    for (i = 0; i < gSavedLinkPlayerCount; i++)
+    {
+        if (gLinkPlayers[i].trainerId == gSavedLinkPlayers[i].trainerId)
+        {
+            count++;
+        }
+    }
+    if (count == gSavedLinkPlayerCount)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void sub_800A9A4(void)
+{
+    u8 i;
+
+    for (i = 0; i < gSavedLinkPlayerCount; i++)
+    {
+        if (gSavedLinkPlayers[i].trainerId != gLinkPlayers[i].trainerId || StringCompare(gSavedLinkPlayers[i].name, gLinkPlayers[i].name) != 0)
+        {
+            gLinkErrorOccurred = TRUE;
+            CloseLink();
+            SetMainCallback2(CB2_LinkError);
+        }
+    }
+}
+
+void sub_800AA24(void)
+{
+    gSavedLinkPlayerCount = 0;
+    gSavedMultiplayerId = 0;
+}
+
+u8 GetLinkPlayerCount_2(void)
+{
+    return EXTRACT_PLAYER_COUNT(gLinkStatus);
+}
+
+bool8 IsLinkMaster(void)
+{
+    if (gWirelessCommType)
+    {
+        return Rfu_IsMaster();
+    }
+    return EXTRACT_MASTER(gLinkStatus);
+}
+
+u8 sub_800AA74(void)
+{
+    return gUnknown_3000E50;
+}
+
+void sub_800AA80(u16 a0)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        task_add_05_task_del_08FA224_when_no_RfuFunc();
+    }
+    else
+    {
+        if (gLinkCallback == NULL)
+        {
+            gLinkCallback = sub_800AB0C;
+            gUnknown_3003F24 = FALSE;
+            gUnknown_3003F34 = a0;
+        }
+    }
+}
+
+void sub_800AAC0(void)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        task_add_05_task_del_08FA224_when_no_RfuFunc();
+    }
+    else
+    {
+        if (gLinkCallback != NULL)
+        {
+            gUnknown_202285C++;
+        }
+        else
+        {
+            gLinkCallback = sub_800AB0C;
+            gUnknown_3003F24 = FALSE;
+            gUnknown_3003F34 = 0;
+        }
+    }
+}
+
+void sub_800AB0C(void)
+{
+    if (gLastRecvQueueCount == 0)
+    {
+        BuildSendCmd(LINKCMD_0x5FFF);
+        gLinkCallback = sub_800AB38;
+    }
+}
+
+void sub_800AB38(void)
+{
+    int i;
+    unsigned count;
+    u8 linkPlayerCount;
+
+    linkPlayerCount = GetLinkPlayerCount();
+    count = 0;
+    for (i = 0; i < linkPlayerCount; i++)
+    {
+        if (gUnknown_3003F30[i])
+        {
+            count++;
+        }
+    }
+    if (count == linkPlayerCount)
+    {
+        gBattleTypeFlags &= ~(BATTLE_TYPE_20 | 0xFFFF0000);
+        gLinkVSyncDisabled = TRUE;
+        CloseLink();
+        gLinkCallback = NULL;
+        gUnknown_3003F24 = TRUE;
+    }
+}
+
+void sub_800AB9C(void)
+{
+    if (gWirelessCommType == TRUE)
+    {
+        sub_80FA42C();
+    }
+    else
+    {
+        if (gLinkCallback == NULL)
+        {
+            gLinkCallback = sub_800ABD4;
+        }
+        gUnknown_3003F24 = FALSE;
+    }
+}
+
+void sub_800ABD4(void)
+{
+    if (gLastRecvQueueCount == 0)
+    {
+        BuildSendCmd(LINKCMD_0x2FFE);
+        gLinkCallback = sub_800AC00;
+    }
+}
+
+void sub_800AC00(void)
+{
+    u8 i;
+    u8 linkPlayerCount;
+
+    linkPlayerCount = GetLinkPlayerCount();
+    for (i = 0; i < linkPlayerCount; i++)
+    {
+        if (!gUnknown_3003F2C[i])
+        {
+            break;
+        }
+    }
+    if (i == linkPlayerCount)
+    {
+        for (i = 0; i < MAX_LINK_PLAYERS; i++)
+        {
+            gUnknown_3003F2C[i] = FALSE;
+        }
+        gLinkCallback = NULL;
+    }
+}
+
+void CheckErrorStatus(void)
+{
+    if (gLinkOpen && EXTRACT_LINK_ERRORS(gLinkStatus))
+    {
+        if (!gSuppressLinkErrorMessage)
+        {
+            sLinkErrorBuffer.status = gLinkStatus;
+            sLinkErrorBuffer.lastRecvQueueCount = gLastRecvQueueCount;
+            sLinkErrorBuffer.lastSendQueueCount = gLastSendQueueCount;
+            SetMainCallback2(CB2_LinkError);
+        }
+        gLinkErrorOccurred = TRUE;
+        CloseLink();
+    }
+}
\ No newline at end of file
diff --git a/src/mystery_gift_menu.c b/src/mystery_gift_menu.c
index 57bc07f33..dbc685602 100644
--- a/src/mystery_gift_menu.c
+++ b/src/mystery_gift_menu.c
@@ -1436,7 +1436,7 @@ void task00_mystery_gift(u8 taskId)
         }
         break;
     case 13:
-        if (IsNoOneConnected())
+        if (IsRfuTaskFinished())
         {
             DestroyWirelessStatusIndicatorSprite();
             data->state = 14;
@@ -1712,7 +1712,7 @@ void task00_mystery_gift(u8 taskId)
         data->state = 34;
         break;
     case 34:
-        if (IsNoOneConnected())
+        if (IsRfuTaskFinished())
         {
             DestroyWirelessStatusIndicatorSprite();
             data->state = 35;