through sub_801A960

8 files changed, 480 insertions, 764 deletions

diff --git a/asm/union_room_battle.s b/asm/union_room_battle.s
index db8c62f6d..ea4e6958e 100755
--- a/asm/union_room_battle.s
+++ b/asm/union_room_battle.s
@@ -5,721 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_801A3F4
-sub_801A3F4: @ 801A3F4
-	push {lr}
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _0801A414
-	bl RunTasks
-	bl RunTextPrinters
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-_0801A414:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_801A3F4
-
-	thumb_func_start sub_801A418
-sub_801A418: @ 801A418
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_801A418
-
-	thumb_func_start sub_801A42C
-sub_801A42C: @ 801A42C
-	push {lr}
-	ldr r0, =sub_801A43C
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_801A42C
-
-	thumb_func_start sub_801A43C
-sub_801A43C: @ 801A43C
-	push {r4,r5,lr}
-	sub sp, 0xC
-	movs r0, 0
-	movs r1, 0
-	bl SetGpuReg
-	ldr r5, =gUnknown_03000DAC
-	movs r0, 0x6C
-	bl AllocZeroed
-	str r0, [r5]
-	movs r0, 0
-	bl SetVBlankCallback
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, =gUnknown_082F0D34
-	movs r0, 0
-	movs r2, 0x2
-	bl InitBgsFromTemplates
-	movs r4, 0x80
-	lsls r4, 4
-	adds r0, r4, 0
-	bl Alloc
-	adds r1, r0, 0
-	movs r0, 0x1
-	bl SetBgTilemapBuffer
-	adds r0, r4, 0
-	bl Alloc
-	adds r1, r0, 0
-	movs r0, 0
-	bl SetBgTilemapBuffer
-	ldr r1, =gWirelessInfoScreenGfx
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl DecompressAndLoadBgGfxUsingHeap
-	ldr r1, =gWirelessInfoScreenTilemap
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl CopyToBgTilemapBuffer
-	ldr r0, =gUnknown_082F0D3C
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	bl ResetPaletteFade
-	bl ResetSpriteData
-	bl ResetTasks
-	bl ScanlineEffect_Stop
-	bl m4aSoundVSyncOn
-	ldr r0, =sub_801A418
-	bl SetVBlankCallback
-	ldr r0, =sub_801A6C0
-	movs r1, 0
-	bl CreateTask
-	ldr r1, [r5]
-	adds r1, 0x60
-	strb r0, [r1]
-	bl sub_8013C40
-	ldr r1, [r5]
-	adds r1, 0x61
-	strb r0, [r1]
-	ldr r1, [r5]
-	movs r0, 0x1
-	str r0, [r1, 0x1C]
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	ldr r0, =gWirelessInfoScreenPal
-	movs r1, 0
-	movs r2, 0x20
-	bl LoadPalette
-	movs r0, 0xF0
-	bl Menu_LoadStdPalAt
-	bl DynamicPlaceholderTextUtil_Reset
-	movs r0, 0x20
-	str r0, [sp]
-	str r0, [sp, 0x4]
-	movs r0, 0xF
-	str r0, [sp, 0x8]
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	ldr r0, =sub_801A3F4
-	bl SetMainCallback2
-	bl RunTasks
-	bl RunTextPrinters
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	add sp, 0xC
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_801A43C
-
-	thumb_func_start sub_801A584
-sub_801A584: @ 801A584
-	push {r4,lr}
-	bl FreeAllWindowBuffers
-	movs r4, 0
-_0801A58C:
-	lsls r0, r4, 24
-	lsrs r0, 24
-	bl GetBgTilemapBuffer
-	bl Free
-	adds r4, 0x1
-	cmp r4, 0x1
-	ble _0801A58C
-	ldr r0, =gUnknown_03000DAC
-	ldr r0, [r0]
-	bl Free
-	ldr r0, =CB2_ReturnToFieldContinueScriptPlayMapMusic
-	bl SetMainCallback2
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_801A584
-
-	thumb_func_start sub_801A5BC
-sub_801A5BC: @ 801A5BC
-	push {lr}
-	adds r2, r0, 0
-	ldrh r0, [r2]
-	adds r0, 0x1
-	strh r0, [r2]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x5
-	ble _0801A5E4
-	ldrh r0, [r1]
-	adds r0, 0x1
-	strh r0, [r1]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0xE
-	bne _0801A5E0
-	movs r0, 0
-	strh r0, [r1]
-_0801A5E0:
-	movs r0, 0
-	strh r0, [r2]
-_0801A5E4:
-	movs r2, 0
-	ldrsh r0, [r1, r2]
-	adds r0, 0x2
-	lsls r0, 5
-	ldr r1, =gWirelessInfoScreenPal
-	adds r0, r1
-	movs r1, 0
-	movs r2, 0x10
-	bl LoadPalette
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_801A5BC
-
-	thumb_func_start sub_801A600
-sub_801A600: @ 801A600
-	push {r4,r5,lr}
-	sub sp, 0x8
-	movs r0, 0
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	movs r0, 0x1
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	movs r0, 0x2
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	ldr r5, =gUnknown_082F0D5C
-	ldr r4, [r5]
-	movs r0, 0x1
-	adds r1, r4, 0
-	movs r2, 0xC0
-	bl GetStringCenterAlignXOffset
-	adds r3, r0, 0
-	lsls r3, 24
-	lsrs r3, 24
-	movs r0, 0x6
-	str r0, [sp]
-	movs r0, 0x3
-	str r0, [sp, 0x4]
-	movs r0, 0
-	movs r1, 0x1
-	adds r2, r4, 0
-	bl sub_801A8B0
-	movs r1, 0
-_0801A644:
-	adds r4, r1, 0x1
-	lsls r0, r4, 2
-	adds r0, r5
-	ldr r2, [r0]
-	lsls r0, r1, 4
-	subs r0, r1
-	lsls r0, 25
-	movs r1, 0x80
-	lsls r1, 20
-	adds r0, r1
-	lsrs r0, 24
-	str r0, [sp]
-	movs r0, 0x1
-	str r0, [sp, 0x4]
-	movs r1, 0x1
-	movs r3, 0
-	bl sub_801A8B0
-	adds r1, r4, 0
-	cmp r4, 0x2
-	ble _0801A644
-	ldr r1, =gUnknown_082F0D5C
-	adds r0, r4, 0x1
-	lsls r0, 2
-	adds r0, r1
-	ldr r2, [r0]
-	lsls r0, r4, 4
-	subs r0, r4
-	lsls r0, 25
-	movs r1, 0x80
-	lsls r1, 20
-	adds r0, r1
-	lsrs r0, 24
-	str r0, [sp]
-	movs r0, 0x2
-	str r0, [sp, 0x4]
-	movs r0, 0x1
-	movs r1, 0x1
-	movs r3, 0
-	bl sub_801A8B0
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0
-	movs r1, 0x2
-	bl CopyWindowToVram
-	movs r0, 0x1
-	bl PutWindowTilemap
-	movs r0, 0x1
-	movs r1, 0x2
-	bl CopyWindowToVram
-	add sp, 0x8
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_801A600
-
-	thumb_func_start sub_801A6C0
-sub_801A6C0: @ 801A6C0
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x8
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r1, =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r1
-	movs r2, 0x8
-	ldrsh r0, [r0, r2]
-	adds r2, r1, 0
-	cmp r0, 0x5
-	bls _0801A6E2
-	b _0801A89C
-_0801A6E2:
-	lsls r0, 2
-	ldr r1, =_0801A6F4
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_0801A6F4:
-	.4byte _0801A70C
-	.4byte _0801A728
-	.4byte _0801A74C
-	.4byte _0801A768
-	.4byte _0801A85C
-	.4byte _0801A884
-_0801A70C:
-	bl sub_801A600
-	ldr r0, =gTasks
-	lsls r1, r5, 2
-	adds r1, r5
-	lsls r1, 3
-	adds r1, r0
-	ldrh r0, [r1, 0x8]
-	adds r0, 0x1
-	strh r0, [r1, 0x8]
-	b _0801A89C
-	.pool
-_0801A728:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	movs r0, 0x1
-	bl ShowBg
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0
-	bl ShowBg
-	b _0801A86C
-_0801A74C:
-	ldr r0, =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq _0801A75A
-	b _0801A89C
-_0801A75A:
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r2
-	b _0801A876
-	.pool
-_0801A768:
-	ldr r0, =gUnknown_03000DAC
-	ldr r0, [r0]
-	adds r1, r0, 0
-	adds r1, 0x10
-	adds r2, r0, 0
-	adds r2, 0x20
-	adds r3, r0, 0
-	adds r3, 0x61
-	ldrb r3, [r3]
-	bl sub_801AA30
-	lsls r1, r5, 2
-	mov r8, r1
-	cmp r0, 0
-	beq _0801A7F8
-	movs r0, 0x2
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	movs r4, 0
-	ldr r6, =gStringVar4
-	movs r7, 0x80
-	lsls r7, 20
-_0801A796:
-	ldr r0, =gUnknown_03000DAC
-	ldr r0, [r0]
-	lsls r1, r4, 2
-	adds r0, r1
-	ldr r1, [r0]
-	adds r0, r6, 0
-	movs r2, 0x1
-	movs r3, 0x2
-	bl ConvertIntToDecimalStringN
-	cmp r4, 0x3
-	beq _0801A7CC
-	lsrs r0, r7, 24
-	str r0, [sp]
-	movs r0, 0x1
-	str r0, [sp, 0x4]
-	movs r0, 0x2
-	movs r1, 0x1
-	adds r2, r6, 0
-	movs r3, 0xC
-	bl sub_801A8B0
-	b _0801A7DE
-	.pool
-_0801A7CC:
-	movs r0, 0x62
-	str r0, [sp]
-	movs r0, 0x2
-	str r0, [sp, 0x4]
-	movs r1, 0x1
-	adds r2, r6, 0
-	movs r3, 0xC
-	bl sub_801A8B0
-_0801A7DE:
-	movs r2, 0xF0
-	lsls r2, 21
-	adds r7, r2
-	adds r4, 0x1
-	cmp r4, 0x3
-	ble _0801A796
-	movs r0, 0x2
-	bl PutWindowTilemap
-	movs r0, 0x2
-	movs r1, 0x3
-	bl CopyWindowToVram
-_0801A7F8:
-	ldr r0, =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _0801A80C
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _0801A836
-_0801A80C:
-	movs r0, 0x5
-	bl PlaySE
-	ldr r2, =gTasks
-	ldr r0, =gUnknown_03000DAC
-	ldr r0, [r0]
-	adds r0, 0x61
-	ldrb r1, [r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r2
-	movs r1, 0xFF
-	strh r1, [r0, 0x26]
-	mov r0, r8
-	adds r1, r0, r5
-	lsls r1, 3
-	adds r1, r2
-	ldrh r0, [r1, 0x8]
-	adds r0, 0x1
-	strh r0, [r1, 0x8]
-_0801A836:
-	mov r2, r8
-	adds r1, r2, r5
-	lsls r1, 3
-	ldr r0, =gTasks + 0x8
-	adds r1, r0
-	adds r0, r1, 0
-	adds r0, 0xE
-	adds r1, 0x10
-	bl sub_801A5BC
-	b _0801A89C
-	.pool
-_0801A85C:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-_0801A86C:
-	ldr r1, =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r1
-_0801A876:
-	ldrh r1, [r0, 0x8]
-	adds r1, 0x1
-	strh r1, [r0, 0x8]
-	b _0801A89C
-	.pool
-_0801A884:
-	ldr r0, =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _0801A89C
-	ldr r0, =sub_801A584
-	bl SetMainCallback2
-	adds r0, r5, 0
-	bl DestroyTask
-_0801A89C:
-	add sp, 0x8
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_801A6C0
-
-	thumb_func_start sub_801A8B0
-sub_801A8B0: @ 801A8B0
-	push {r4-r7,lr}
-	sub sp, 0x18
-	mov r12, r2
-	ldr r2, [sp, 0x2C]
-	ldr r4, [sp, 0x30]
-	lsls r0, 24
-	lsrs r7, r0, 24
-	lsls r1, 24
-	lsrs r6, r1, 24
-	lsls r3, 24
-	lsrs r5, r3, 24
-	lsls r2, 24
-	lsrs r3, r2, 24
-	lsls r4, 24
-	lsrs r0, r4, 24
-	cmp r0, 0x4
-	bhi _0801A93A
-	lsls r0, 2
-	ldr r1, =_0801A8E0
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_0801A8E0:
-	.4byte _0801A8F4
-	.4byte _0801A902
-	.4byte _0801A910
-	.4byte _0801A91E
-	.4byte _0801A92C
-_0801A8F4:
-	add r1, sp, 0x14
-	movs r0, 0
-	strb r0, [r1]
-	movs r0, 0x2
-	strb r0, [r1, 0x1]
-	movs r0, 0x3
-	b _0801A938
-_0801A902:
-	add r1, sp, 0x14
-	movs r0, 0
-	strb r0, [r1]
-	movs r0, 0x1
-	strb r0, [r1, 0x1]
-	movs r0, 0x3
-	b _0801A938
-_0801A910:
-	add r1, sp, 0x14
-	movs r0, 0
-	strb r0, [r1]
-	movs r0, 0x4
-	strb r0, [r1, 0x1]
-	movs r0, 0x5
-	b _0801A938
-_0801A91E:
-	add r1, sp, 0x14
-	movs r0, 0
-	strb r0, [r1]
-	movs r0, 0x7
-	strb r0, [r1, 0x1]
-	movs r0, 0x6
-	b _0801A938
-_0801A92C:
-	add r1, sp, 0x14
-	movs r0, 0
-	strb r0, [r1]
-	movs r0, 0x1
-	strb r0, [r1, 0x1]
-	movs r0, 0x2
-_0801A938:
-	strb r0, [r1, 0x2]
-_0801A93A:
-	movs r0, 0
-	str r0, [sp]
-	str r0, [sp, 0x4]
-	add r0, sp, 0x14
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	negs r0, r0
-	str r0, [sp, 0xC]
-	mov r0, r12
-	str r0, [sp, 0x10]
-	adds r0, r7, 0
-	adds r1, r6, 0
-	adds r2, r5, 0
-	bl AddTextPrinterParameterized4
-	add sp, 0x18
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_801A8B0
-
-	thumb_func_start sub_801A960
-sub_801A960: @ 801A960
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	mov r12, r0
-	adds r7, r1, 0
-	ldrb r0, [r0, 0xA]
-	lsls r0, 25
-	lsrs r0, 25
-	mov r8, r0
-	movs r4, 0
-	ldr r0, =gUnknown_082F0D70
-	mov r9, r0
-	movs r1, 0x1
-	add r1, r9
-	mov r10, r1
-	mov r3, r12
-	adds r3, 0x4
-	str r3, [sp]
-_0801A98A:
-	lsls r0, r4, 1
-	adds r2, r0, r4
-	mov r3, r9
-	adds r1, r2, r3
-	adds r5, r0, 0
-	adds r6, r4, 0x1
-	ldrb r1, [r1]
-	cmp r8, r1
-	bne _0801A9EE
-	mov r0, r12
-	ldrb r1, [r0, 0x1A]
-	movs r0, 0x3
-	ands r0, r1
-	cmp r0, 0x1
-	bne _0801A9EE
-	mov r0, r9
-	adds r0, 0x2
-	adds r3, r2, r0
-	ldrb r0, [r3]
-	cmp r0, 0
-	bne _0801A9DC
-	movs r2, 0
-	movs r1, 0
-	ldr r3, [sp]
-_0801A9BA:
-	adds r0, r3, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0801A9C4
-	adds r2, 0x1
-_0801A9C4:
-	adds r1, 0x1
-	cmp r1, 0x3
-	ble _0801A9BA
-	adds r2, 0x1
-	adds r0, r5, r4
-	add r0, r10
-	ldrb r1, [r0]
-	lsls r1, 2
-	adds r1, r7
-	b _0801A9E8
-	.pool
-_0801A9DC:
-	mov r1, r10
-	adds r0, r2, r1
-	ldrb r1, [r0]
-	lsls r1, 2
-	adds r1, r7
-	ldrb r2, [r3]
-_0801A9E8:
-	ldr r0, [r1]
-	adds r0, r2
-	str r0, [r1]
-_0801A9EE:
-	adds r4, r6, 0
-	cmp r4, 0x1E
-	bls _0801A98A
-	mov r0, r8
-	add sp, 0x4
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_801A960
-
 	thumb_func_start sub_801AA08
 sub_801AA08: @ 801AA08
 	push {r4,lr}
diff --git a/data/union_room_battle.s b/data/union_room_battle.s
index 65e8d4229..65391a82e 100755
--- a/data/union_room_battle.s
+++ b/data/union_room_battle.s
@@ -4,53 +4,6 @@
 	.section .rodata
 
 	.align 2
-gWirelessInfoScreenPal:: @ 82F0790
-	.incbin "graphics/interface/wireless_info_screen.gbapal"
-
-	.align 2
-gWirelessInfoScreenGfx:: @ 82F0990
-	.incbin "graphics/interface/wireless_info_screen.4bpp.lz"
-
-	.align 2
-gWirelessInfoScreenTilemap:: @ 82F0BA0
-	.incbin "graphics/interface/wireless_info_screen.bin.lz"
-
-	.align 2
-gUnknown_082F0D34:: @ 82F0D34
-	.4byte 0x000001f8
-    .4byte 0x00001081
-
-	.align 2
-gUnknown_082F0D3C:: @ 82F0D3C
-	window_template 0x00, 0x03, 0x00, 0x18, 0x03, 0x0f, 0x0001
-	window_template 0x00, 0x03, 0x04, 0x15, 0x0f, 0x0f, 0x0049
-	window_template 0x00, 0x18, 0x04, 0x03, 0x0f, 0x0f, 0x0184
-	null_window_template
-
-	.align 2
-gUnknown_082F0D5C:: @ 82F0D5C
-	.4byte gText_WirelessCommStatus
-	.4byte gText_PeopleTrading
-	.4byte gText_PeopleBattling
-	.4byte gText_PeopleInUnionRoom
-	.4byte gText_PeopleCommunicating
-
-	.align 2
-gUnknown_082F0D70:: @ 82F0D70
-	.byte 0x01, 0x01, 0x02, 0x02, 0x01, 0x02, 0x03, 0x01
-	.byte 0x04, 0x04, 0x00, 0x02, 0x06, 0x03, 0x02, 0x07
-	.byte 0x03, 0x02, 0x09, 0x03, 0x00, 0x0a, 0x03, 0x00
-	.byte 0x0b, 0x03, 0x00, 0x0c, 0xff, 0x00, 0x0d, 0x00
-	.byte 0x00, 0x10, 0x03, 0x00, 0x0f, 0x03, 0x00, 0x40
-	.byte 0x02, 0x01, 0x41, 0x02, 0x02, 0x44, 0x02, 0x02
-	.byte 0x45, 0x02, 0x00, 0x48, 0x02, 0x02, 0x54, 0x02
-	.byte 0x01, 0x53, 0x02, 0x02, 0x51, 0x02, 0x01, 0x52
-	.byte 0x02, 0x01, 0x15, 0x03, 0x02, 0x16, 0x03, 0x02
-	.byte 0x17, 0x03, 0x00, 0x18, 0x03, 0x00, 0x19, 0x03
-	.byte 0x00, 0x1a, 0x03, 0x00, 0x1b, 0x03, 0x00, 0x1c
-	.byte 0x01, 0x02, 0x0e, 0x01, 0x02, 0x00, 0x00, 0x00
-
-	.align 2
 gUnknown_082F0DD0:: @ 82F0DD0
 	.4byte 0x000001FC
 
diff --git a/include/strings.h b/include/strings.h
index 1561da26d..99c9ce73c 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -2672,5 +2672,10 @@ extern const u8 gText_CommunicationCompleted[];
 extern const u8 gText_HaventReceivedGiftOkayToDiscard[];
 extern const u8 gText_SendingWonderCard[];
 extern const u8 gText_SendingWonderNews[];
+extern const u8 gText_WirelessCommStatus[];
+extern const u8 gText_PeopleTrading[];
+extern const u8 gText_PeopleBattling[];
+extern const u8 gText_PeopleInUnionRoom[];
+extern const u8 gText_PeopleCommunicating[];
 
 #endif // GUARD_STRINGS_H
diff --git a/include/union_room_battle.h b/include/union_room_battle.h
new file mode 100644
index 000000000..1bc9d0015
--- /dev/null
+++ b/include/union_room_battle.h
@@ -0,0 +1,6 @@
+#ifndef GUARD_UNION_ROOM_BATTLE_H
+#define GUARD_UNION_ROOM_BATTLE_H
+
+u8 sub_8013C40(void);
+
+#endif //GUARD_UNION_ROOM_BATTLE_H
diff --git a/ld_script.txt b/ld_script.txt
index a7bd9eaad..2b0d0dd89 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -57,6 +57,7 @@ SECTIONS {
         src/union_room.o(.text);
         src/mystery_gift.o(.text);
         src/union_room_player_avatar.o(.text);
+        src/union_room_battle.o(.text);
         asm/union_room_battle.o(.text);
         src/mevent2.o(.text);
         src/mevent_801BAAC.o(.text);
@@ -413,6 +414,7 @@ SECTIONS {
         src/union_room.o(.rodata);
         src/mystery_gift.o(.rodata);
         src/union_room_player_avatar.o(.rodata);
+        src/union_room_battle.o(.rodata);
         data/union_room_battle.o(.rodata);
         src/mevent2.o(.rodata);
         src/mevent_801BAAC.o(.rodata);
diff --git a/src/union_room.c b/src/union_room.c
index ad33112e4..88ac65baa 100644
--- a/src/union_room.c
+++ b/src/union_room.c
@@ -62,8 +62,6 @@ EWRAM_DATA struct TradeUnkStruct gUnknown_02022C40 = {};
 IWRAM_DATA struct UnkStruct_Leader *gUnknown_03000DA0;
 IWRAM_DATA struct UnkStruct_Group *gUnknown_03000DA4;
 IWRAM_DATA struct UnkStruct_URoom *gUnknown_03000DA8;
-IWRAM_DATA void *gUnknown_03000DAC;
-IWRAM_DATA bool32 gUnknown_03000DB0;
 
 // this file's functions
 void sub_80173E0(u8 windowId, u8 arg1, const u8 *str, u8 arg3, u8 arg4, u8 arg5);
diff --git a/src/union_room_battle.c b/src/union_room_battle.c
new file mode 100644
index 000000000..b571e803a
--- /dev/null
+++ b/src/union_room_battle.c
@@ -0,0 +1,466 @@
+#include "global.h"
+#include "battle.h"
+#include "task.h"
+#include "text.h"
+#include "main.h"
+#include "bg.h"
+#include "palette.h"
+#include "gpu_regs.h"
+#include "alloc.h"
+#include "menu.h"
+#include "window.h"
+#include "scanline_effect.h"
+#include "m4a.h"
+#include "dynamic_placeholder_text_util.h"
+#include "overworld.h"
+#include "strings.h"
+#include "string_util.h"
+#include "international_string_util.h"
+#include "sound.h"
+#include "constants/songs.h"
+#include "union_room.h"
+#include "union_room_battle.h"
+
+struct UnkStruct_3000DAC
+{
+    /*0x00*/ u32 unk00[4];
+    /*0x10*/ u32 unk10[4];
+    /*0x20*/ u32 unk20[16];
+    /*0x60*/ u8 taskId;
+    /*0x61*/ u8 unk61;
+    /*0x62*/ u8 filler_62[10];
+};
+
+IWRAM_DATA struct UnkStruct_3000DAC * gUnknown_03000DAC;
+IWRAM_DATA bool32 gUnknown_03000DB0;
+
+void sub_801A43C(void);
+void sub_801A6C0(u8 taskId);
+static void sub_801A8B0(u8 windowId, u8 fontId, const u8 * str, u8 x, u8 y, u8 mode);
+bool32 sub_801AA30(u32 * a0, u32 * a1, u32 * a2, u8 a3);
+
+const u16 gWirelessInfoScreenPal[] = INCBIN_U16("graphics/interface/wireless_info_screen.gbapal");
+const u32 gWirelessInfoScreenGfx[] = INCBIN_U32("graphics/interface/wireless_info_screen.4bpp.lz");
+const u32 gWirelessInfoScreenTilemap[] = INCBIN_U32("graphics/interface/wireless_info_screen.bin.lz");
+
+const struct BgTemplate gUnknown_082F0D34[] = {
+    {
+        .bg = 0,
+        .charBaseIndex = 2,
+        .mapBaseIndex = 0x1F,
+        .priority = 0
+    }, {
+        .bg = 1,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 0x08,
+        .priority = 1
+    }
+};
+
+const struct WindowTemplate gUnknown_082F0D3C[] = {
+    {
+        .bg = 0x00,
+        .tilemapLeft = 0x03,
+        .tilemapTop = 0x00,
+        .width = 0x18,
+        .height = 0x03,
+        .paletteNum = 0x0f,
+        .baseBlock = 0x0001
+    }, {
+        .bg = 0x00,
+        .tilemapLeft = 0x03,
+        .tilemapTop = 0x04,
+        .width = 0x15,
+        .height = 0x0f,
+        .paletteNum = 0x0f,
+        .baseBlock = 0x0049
+    }, {
+        .bg = 0x00,
+        .tilemapLeft = 0x18,
+        .tilemapTop = 0x04,
+        .width = 0x03,
+        .height = 0x0f,
+        .paletteNum = 0x0f,
+        .baseBlock = 0x0184
+    },
+    { 0xFF }
+};
+
+const u8 *const gUnknown_082F0D5C[] = {
+    gText_WirelessCommStatus,
+    gText_PeopleTrading,
+    gText_PeopleBattling,
+    gText_PeopleInUnionRoom,
+    gText_PeopleCommunicating
+};
+
+const u8 gUnknown_082F0D70[][3] = {
+    {0x01, 0x01, 0x02},
+    {0x02, 0x01, 0x02},
+    {0x03, 0x01, 0x04},
+    {0x04, 0x00, 0x02},
+    {0x06, 0x03, 0x02},
+    {0x07, 0x03, 0x02},
+    {0x09, 0x03, 0x00},
+    {0x0a, 0x03, 0x00},
+    {0x0b, 0x03, 0x00},
+    {0x0c, 0xff, 0x00},
+    {0x0d, 0x00, 0x00},
+    {0x10, 0x03, 0x00},
+    {0x0f, 0x03, 0x00},
+    {0x40, 0x02, 0x01},
+    {0x41, 0x02, 0x02},
+    {0x44, 0x02, 0x02},
+    {0x45, 0x02, 0x00},
+    {0x48, 0x02, 0x02},
+    {0x54, 0x02, 0x01},
+    {0x53, 0x02, 0x02},
+    {0x51, 0x02, 0x01},
+    {0x52, 0x02, 0x01},
+    {0x15, 0x03, 0x02},
+    {0x16, 0x03, 0x02},
+    {0x17, 0x03, 0x00},
+    {0x18, 0x03, 0x00},
+    {0x19, 0x03, 0x00},
+    {0x1a, 0x03, 0x00},
+    {0x1b, 0x03, 0x00},
+    {0x1c, 0x01, 0x02},
+    {0x0e, 0x01, 0x02}
+};
+
+void sub_801A3F4(void)
+{
+    if (!IsDma3ManagerBusyWithBgCopy())
+    {
+        RunTasks();
+        RunTextPrinters();
+        AnimateSprites();
+        BuildOamBuffer();
+        UpdatePaletteFade();
+    }
+}
+
+void sub_801A418(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_801A42C(void)
+{
+    SetMainCallback2(sub_801A43C);
+}
+
+void sub_801A43C(void)
+{
+    SetGpuReg(REG_OFFSET_DISPCNT, 0x0000);
+    gUnknown_03000DAC = AllocZeroed(sizeof(struct UnkStruct_3000DAC));
+    SetVBlankCallback(NULL);
+    ResetBgsAndClearDma3BusyFlags(0);
+    InitBgsFromTemplates(0, gUnknown_082F0D34, ARRAY_COUNT(gUnknown_082F0D34));
+    SetBgTilemapBuffer(1, Alloc(0x800));
+    SetBgTilemapBuffer(0, Alloc(0x800));
+    DecompressAndLoadBgGfxUsingHeap(1, gWirelessInfoScreenGfx, 0, 0, 0);
+    CopyToBgTilemapBuffer(1, gWirelessInfoScreenTilemap, 0, 0);
+    InitWindows(gUnknown_082F0D3C);
+    DeactivateAllTextPrinters();
+    ResetPaletteFade();
+    ResetSpriteData();
+    ResetTasks();
+    ScanlineEffect_Stop();
+    m4aSoundVSyncOn();
+    SetVBlankCallback(sub_801A418);
+    gUnknown_03000DAC->taskId = CreateTask(sub_801A6C0, 0);
+    gUnknown_03000DAC->unk61 = sub_8013C40();
+    gUnknown_03000DAC->unk10[3] = 1;
+    ChangeBgX(0, 0, 0);
+    ChangeBgY(0, 0, 0);
+    ChangeBgX(1, 0, 0);
+    ChangeBgY(1, 0, 0);
+    LoadPalette(gWirelessInfoScreenPal, 0x00, 0x20);
+    Menu_LoadStdPalAt(0xF0);
+    DynamicPlaceholderTextUtil_Reset();
+    FillBgTilemapBufferRect(0, 0, 0, 0, 32, 32, 0x0F);
+    CopyBgTilemapBufferToVram(1);
+    SetMainCallback2(sub_801A3F4);
+    RunTasks();
+    RunTextPrinters();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+void sub_801A584(void)
+{
+    s32 i;
+    FreeAllWindowBuffers();
+    for (i = 0; i < 2; i++)
+    {
+        Free(GetBgTilemapBuffer(i));
+    }
+    Free(gUnknown_03000DAC);
+    SetMainCallback2(CB2_ReturnToFieldContinueScriptPlayMapMusic);
+}
+
+void sub_801A5BC(s16 * a0, s16 * a1)
+{
+    if (++(*a0) > 5)
+    {
+        if (++(*a1) == 14)
+        {
+            *a1 = 0;
+        }
+        *a0 = 0;
+    }
+    LoadPalette(gWirelessInfoScreenPal + 16 * (*a1 + 2), 0, 0x10);
+}
+
+void sub_801A600(void)
+{
+    s32 i;
+    FillWindowPixelBuffer(0, 0);
+    FillWindowPixelBuffer(1, 0);
+    FillWindowPixelBuffer(2, 0);
+    sub_801A8B0(0, 1, gUnknown_082F0D5C[0], GetStringCenterAlignXOffset(1, gUnknown_082F0D5C[0], 0xC0), 6, 3);
+    for (i = 0; i < 3; i++)
+    {
+        sub_801A8B0(1, 1, gUnknown_082F0D5C[i + 1], 0, 30 * i + 8, 1);
+    }
+    sub_801A8B0(1, 1, gUnknown_082F0D5C[i + 1], 0, 30 * i + 8, 2);
+    PutWindowTilemap(0);
+    CopyWindowToVram(0, 2);
+    PutWindowTilemap(1);
+    CopyWindowToVram(1, 2);
+}
+
+void sub_801A6C0(u8 taskId)
+{
+    s32 i;
+    switch (gTasks[taskId].data[0])
+    {
+    case 0:
+        sub_801A600();
+        gTasks[taskId].data[0]++;
+        break;
+    case 1:
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
+        ShowBg(1);
+        CopyBgTilemapBufferToVram(0);
+        ShowBg(0);
+        gTasks[taskId].data[0]++;
+        break;
+    case 2:
+        if (!gPaletteFade.active)
+        {
+            gTasks[taskId].data[0]++;
+        }
+        break;
+    case 3:
+        if (sub_801AA30(gUnknown_03000DAC->unk00, gUnknown_03000DAC->unk10, gUnknown_03000DAC->unk20, gUnknown_03000DAC->unk61))
+        {
+            FillWindowPixelBuffer(2, 0);
+            for (i = 0; i < 4; i++)
+            {
+                ConvertIntToDecimalStringN(gStringVar4, gUnknown_03000DAC->unk00[i], STR_CONV_MODE_RIGHT_ALIGN, 2);
+                if (i != 3)
+                {
+                    sub_801A8B0(2, 1, gStringVar4, 12, 30 * i + 8, 1);
+                }
+                else
+                {
+                    sub_801A8B0(2, 1, gStringVar4, 12, 98, 2);
+                }
+            }
+            PutWindowTilemap(2);
+            CopyWindowToVram(2, 3);
+        }
+        if (({gMain.newKeys & A_BUTTON;}) || ({gMain.newKeys & B_BUTTON;}))
+        {
+            PlaySE(SE_SELECT);
+            gTasks[gUnknown_03000DAC->unk61].data[15] = 0xFF;
+            gTasks[taskId].data[0]++;
+        }
+        sub_801A5BC(&gTasks[taskId].data[7], &gTasks[taskId].data[8]);
+        break;
+    case 4:
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+        gTasks[taskId].data[0]++;
+        break;
+    case 5:
+        if (!gPaletteFade.active)
+        {
+            SetMainCallback2(sub_801A584);
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+static void sub_801A8B0(u8 windowId, u8 fontId, const u8 * str, u8 x, u8 y, u8 mode)
+{
+    u8 color[3];
+
+    switch (mode)
+    {
+    case 0:
+        color[0] = 0;
+        color[1] = 2;
+        color[2] = 3;
+        break;
+    case 1:
+        color[0] = 0;
+        color[1] = 1;
+        color[2] = 3;
+        break;
+    case 2:
+        color[0] = 0;
+        color[1] = 4;
+        color[2] = 5;
+        break;
+    case 3:
+        color[0] = 0;
+        color[1] = 7;
+        color[2] = 6;
+        break;
+    case 4:
+        color[0] = 0;
+        color[1] = 1;
+        color[2] = 2;
+        break;
+    }
+
+    AddTextPrinterParameterized4(windowId, fontId, x, y, 0, 0, color, -1, str);
+}
+
+#ifdef NONMATCHING
+// register swap r2, r3
+u8 sub_801A960(struct UnkStruct_x20 * a0, u32 * a1)
+{
+    s32 i, j, r2;
+    u8 result = a0->unk.field_0.unk_0a_0;
+
+    for (i = 0; i < (unsigned)ARRAY_COUNT(gUnknown_082F0D70); i++)
+    {
+        if (result != gUnknown_082F0D70[i][0])
+        {
+            continue;
+        }
+        if (a0->field_1A_0 != 1)
+        {
+            continue;
+        }
+        if (gUnknown_082F0D70[i][2] == 0)
+        {
+            r2 = 0;
+            for (j = 0; j < 4; j++)
+            {
+                if (a0->unk.field_0.unk_04[j] != 0)
+                {
+                    r2++;
+                }
+            }
+            r2++;
+            a1[gUnknown_082F0D70[i][1]] += r2;
+        }
+        else
+        {
+            a1[gUnknown_082F0D70[i][1]] += gUnknown_082F0D70[i][2];
+        }
+    }
+    return result;
+}
+#else
+NAKED
+u8 sub_801A960(struct UnkStruct_x20 * a0, u32 * a1)
+{
+    asm_unified("\tpush {r4-r7,lr}\n"
+                "\tmov r7, r10\n"
+                "\tmov r6, r9\n"
+                "\tmov r5, r8\n"
+                "\tpush {r5-r7}\n"
+                "\tsub sp, 0x4\n"
+                "\tmov r12, r0\n"
+                "\tadds r7, r1, 0\n"
+                "\tldrb r0, [r0, 0xA]\n"
+                "\tlsls r0, 25\n"
+                "\tlsrs r0, 25\n"
+                "\tmov r8, r0\n"
+                "\tmovs r4, 0\n"
+                "\tldr r0, =gUnknown_082F0D70\n"
+                "\tmov r9, r0\n"
+                "\tmovs r1, 0x1\n"
+                "\tadd r1, r9\n"
+                "\tmov r10, r1\n"
+                "\tmov r3, r12\n"
+                "\tadds r3, 0x4\n"
+                "\tstr r3, [sp]\n"
+                "_0801A98A:\n"
+                "\tlsls r0, r4, 1\n"
+                "\tadds r2, r0, r4\n"
+                "\tmov r3, r9\n"
+                "\tadds r1, r2, r3\n"
+                "\tadds r5, r0, 0\n"
+                "\tadds r6, r4, 0x1\n"
+                "\tldrb r1, [r1]\n"
+                "\tcmp r8, r1\n"
+                "\tbne _0801A9EE\n"
+                "\tmov r0, r12\n"
+                "\tldrb r1, [r0, 0x1A]\n"
+                "\tmovs r0, 0x3\n"
+                "\tands r0, r1\n"
+                "\tcmp r0, 0x1\n"
+                "\tbne _0801A9EE\n"
+                "\tmov r0, r9\n"
+                "\tadds r0, 0x2\n"
+                "\tadds r3, r2, r0\n"
+                "\tldrb r0, [r3]\n"
+                "\tcmp r0, 0\n"
+                "\tbne _0801A9DC\n"
+                "\tmovs r2, 0\n"
+                "\tmovs r1, 0\n"
+                "\tldr r3, [sp]\n"
+                "_0801A9BA:\n"
+                "\tadds r0, r3, r1\n"
+                "\tldrb r0, [r0]\n"
+                "\tcmp r0, 0\n"
+                "\tbeq _0801A9C4\n"
+                "\tadds r2, 0x1\n"
+                "_0801A9C4:\n"
+                "\tadds r1, 0x1\n"
+                "\tcmp r1, 0x3\n"
+                "\tble _0801A9BA\n"
+                "\tadds r2, 0x1\n"
+                "\tadds r0, r5, r4\n"
+                "\tadd r0, r10\n"
+                "\tldrb r1, [r0]\n"
+                "\tlsls r1, 2\n"
+                "\tadds r1, r7\n"
+                "\tb _0801A9E8\n"
+                "\t.pool\n"
+                "_0801A9DC:\n"
+                "\tmov r1, r10\n"
+                "\tadds r0, r2, r1\n"
+                "\tldrb r1, [r0]\n"
+                "\tlsls r1, 2\n"
+                "\tadds r1, r7\n"
+                "\tldrb r2, [r3]\n"
+                "_0801A9E8:\n"
+                "\tldr r0, [r1]\n"
+                "\tadds r0, r2\n"
+                "\tstr r0, [r1]\n"
+                "_0801A9EE:\n"
+                "\tadds r4, r6, 0\n"
+                "\tcmp r4, 0x1E\n"
+                "\tbls _0801A98A\n"
+                "\tmov r0, r8\n"
+                "\tadd sp, 0x4\n"
+                "\tpop {r3-r5}\n"
+                "\tmov r8, r3\n"
+                "\tmov r9, r4\n"
+                "\tmov r10, r5\n"
+                "\tpop {r4-r7}\n"
+                "\tpop {r1}\n"
+                "\tbx r1");
+}
+#endif //NONMATCHING
diff --git a/sym_bss.txt b/sym_bss.txt
index 1eef0130b..06b48c1f9 100644
--- a/sym_bss.txt
+++ b/sym_bss.txt
@@ -8,6 +8,7 @@
 	.include "src/link.o"
 	.include "src/link_rfu.o"
 	.include "src/union_room.o"
+	.include "src/union_room_battle.o"
 	.include "src/rtc.o"
 	.include "src/main_menu.o"
 	.include "src/rom_8034C54.o"