union_room_chat_display through sub_812A1B8

8 files changed, 693 insertions, 1065 deletions

diff --git a/asm/union_room_chat.s b/asm/union_room_chat.s
index 422a8786b..7a9d41ef3 100644
--- a/asm/union_room_chat.s
+++ b/asm/union_room_chat.s
@@ -5,935 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8129B14
-sub_8129B14: @ 8129B14
-	push {r4,lr}
-	ldr r4, _08129B60 @ =gUnknown_203B0E4
-	ldr r0, _08129B64 @ =0x00002168
-	bl Alloc
-	str r0, [r4]
-	cmp r0, 0
-	beq _08129B70
-	bl sub_812AE70
-	cmp r0, 0
-	beq _08129B70
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, _08129B68 @ =gUnknown_845AA84
-	movs r0, 0
-	movs r2, 0x4
-	bl InitBgsFromTemplates
-	ldr r0, _08129B6C @ =gUnknown_845AA94
-	bl InitWindows
-	bl ResetTempTileDataBuffers
-	bl sub_812AD50
-	ldr r0, [r4]
-	bl sub_8129BB8
-	bl sub_8129BC4
-	movs r0, 0
-	movs r1, 0
-	bl sub_8129C34
-	movs r0, 0x1
-	b _08129B72
-	.align 2, 0
-_08129B60: .4byte gUnknown_203B0E4
-_08129B64: .4byte 0x00002168
-_08129B68: .4byte gUnknown_845AA84
-_08129B6C: .4byte gUnknown_845AA94
-_08129B70:
-	movs r0, 0
-_08129B72:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129B14
-
-	thumb_func_start sub_8129B78
-sub_8129B78: @ 8129B78
-	push {lr}
-	movs r0, 0
-	bl sub_8129C8C
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129B78
-
-	thumb_func_start sub_8129B88
-sub_8129B88: @ 8129B88
-	push {r4,lr}
-	bl sub_812AEB0
-	ldr r4, _08129BB0 @ =gUnknown_203B0E4
-	ldr r0, [r4]
-	cmp r0, 0
-	beq _08129B9E
-	bl Free
-	movs r0, 0
-	str r0, [r4]
-_08129B9E:
-	bl FreeAllWindowBuffers
-	ldr r1, _08129BB4 @ =gScanlineEffect
-	movs r0, 0x3
-	strb r0, [r1, 0x15]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08129BB0: .4byte gUnknown_203B0E4
-_08129BB4: .4byte gScanlineEffect
-	thumb_func_end sub_8129B88
-
-	thumb_func_start sub_8129BB8
-sub_8129BB8: @ 8129BB8
-	movs r2, 0
-	movs r1, 0xFF
-	strh r1, [r0, 0x18]
-	strh r1, [r0, 0x1E]
-	strh r2, [r0, 0x1A]
-	bx lr
-	thumb_func_end sub_8129BB8
-
-	thumb_func_start sub_8129BC4
-sub_8129BC4: @ 8129BC4
-	push {r4,r5,lr}
-	ldr r1, _08129BF4 @ =gUnknown_203B0E4
-	ldr r0, [r1]
-	cmp r0, 0
-	beq _08129BEC
-	movs r2, 0
-	adds r4, r1, 0
-	ldr r5, _08129BF8 @ =sub_812A420
-	movs r3, 0
-_08129BD6:
-	ldr r0, [r4]
-	lsls r1, r2, 3
-	adds r0, r1
-	str r5, [r0]
-	strb r3, [r0, 0x4]
-	ldr r0, [r4]
-	adds r0, r1
-	strb r3, [r0, 0x5]
-	adds r2, 0x1
-	cmp r2, 0x2
-	ble _08129BD6
-_08129BEC:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08129BF4: .4byte gUnknown_203B0E4
-_08129BF8: .4byte sub_812A420
-	thumb_func_end sub_8129BC4
-
-	thumb_func_start sub_8129BFC
-sub_8129BFC: @ 8129BFC
-	push {r4-r6,lr}
-	ldr r1, _08129C30 @ =gUnknown_203B0E4
-	ldr r0, [r1]
-	cmp r0, 0
-	beq _08129C2A
-	movs r5, 0
-	adds r6, r1, 0
-_08129C0A:
-	ldr r0, [r6]
-	lsls r4, r5, 3
-	adds r1, r0, r4
-	ldrb r0, [r1, 0x4]
-	cmp r0, 0
-	beq _08129C24
-	adds r0, r1, 0x5
-	ldr r1, [r1]
-	bl _call_via_r1
-	ldr r1, [r6]
-	adds r1, r4
-	strb r0, [r1, 0x4]
-_08129C24:
-	adds r5, 0x1
-	cmp r5, 0x2
-	ble _08129C0A
-_08129C2A:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08129C30: .4byte gUnknown_203B0E4
-	thumb_func_end sub_8129BFC
-
-	thumb_func_start sub_8129C34
-sub_8129C34: @ 8129C34
-	push {r4-r7,lr}
-	lsls r0, 16
-	lsrs r6, r0, 16
-	lsls r1, 24
-	ldr r3, _08129C70 @ =gUnknown_203B0E4
-	ldr r0, [r3]
-	lsrs r1, 21
-	adds r0, r1
-	ldr r2, _08129C74 @ =sub_812A420
-	str r2, [r0]
-	movs r4, 0
-	adds r5, r3, 0
-	adds r3, r1, 0
-	mov r12, r4
-	ldr r1, _08129C78 @ =gUnknown_845AABC
-	movs r7, 0x1
-	adds r2, r1, 0x4
-_08129C56:
-	ldrh r0, [r1]
-	cmp r0, r6
-	bne _08129C7C
-	ldr r1, [r5]
-	adds r1, r3
-	ldr r0, [r2]
-	str r0, [r1]
-	strb r7, [r1, 0x4]
-	ldr r0, [r5]
-	adds r0, r3
-	mov r1, r12
-	strb r1, [r0, 0x5]
-	b _08129C86
-	.align 2, 0
-_08129C70: .4byte gUnknown_203B0E4
-_08129C74: .4byte sub_812A420
-_08129C78: .4byte gUnknown_845AABC
-_08129C7C:
-	adds r1, 0x8
-	adds r2, 0x8
-	adds r4, 0x1
-	cmp r4, 0x14
-	bls _08129C56
-_08129C86:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8129C34
-
-	thumb_func_start sub_8129C8C
-sub_8129C8C: @ 8129C8C
-	lsls r0, 24
-	ldr r1, _08129C9C @ =gUnknown_203B0E4
-	ldr r1, [r1]
-	lsrs r0, 21
-	adds r1, r0
-	ldrb r0, [r1, 0x4]
-	bx lr
-	.align 2, 0
-_08129C9C: .4byte gUnknown_203B0E4
-	thumb_func_end sub_8129C8C
-
-	thumb_func_start sub_8129CA0
-sub_8129CA0: @ 8129CA0
-	push {r4,lr}
-	adds r4, r0, 0
-	bl FreeTempTileDataBuffersIfPossible
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08129D36
-	ldrb r0, [r4]
-	cmp r0, 0x6
-	bhi _08129D2C
-	lsls r0, 2
-	ldr r1, _08129CC0 @ =_08129CC4
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_08129CC0: .4byte _08129CC4
-	.align 2, 0
-_08129CC4:
-	.4byte _08129CE0
-	.4byte _08129CEA
-	.4byte _08129CF0
-	.4byte _08129CF6
-	.4byte _08129CFC
-	.4byte _08129D02
-	.4byte _08129D14
-_08129CE0:
-	bl sub_812AAD4
-	bl sub_812AB8C
-	b _08129D30
-_08129CEA:
-	bl sub_812ABD8
-	b _08129D30
-_08129CF0:
-	bl sub_812AC08
-	b _08129D30
-_08129CF6:
-	bl sub_812AC58
-	b _08129D30
-_08129CFC:
-	bl sub_812AC9C
-	b _08129D30
-_08129D02:
-	bl sub_812ACC0
-	bl sub_812ACEC
-	bl sub_812AD20
-	bl sub_812AD04
-	b _08129D30
-_08129D14:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _08129D30
-	bl sub_812AEC8
-	bl sub_812B048
-	bl sub_812B100
-	b _08129D30
-_08129D2C:
-	movs r0, 0
-	b _08129D38
-_08129D30:
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-_08129D36:
-	movs r0, 0x1
-_08129D38:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129CA0
-
-	thumb_func_start sub_8129D40
-sub_8129D40: @ 8129D40
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _08129D50
-	cmp r0, 0x1
-	beq _08129D5E
-	b _08129D68
-_08129D50:
-	bl sub_812AA10
-	movs r0, 0x3
-	movs r1, 0x3
-	bl CopyWindowToVram
-	b _08129D68
-_08129D5E:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	lsrs r0, 24
-	b _08129D70
-_08129D68:
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-	movs r0, 0x1
-_08129D70:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129D40
-
-	thumb_func_start sub_8129D78
-sub_8129D78: @ 8129D78
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _08129D88
-	cmp r0, 0x1
-	beq _08129D96
-	b _08129DA0
-_08129D88:
-	bl sub_812AA64
-	movs r0, 0x3
-	movs r1, 0x3
-	bl CopyWindowToVram
-	b _08129DA0
-_08129D96:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	lsrs r0, 24
-	b _08129DA8
-_08129DA0:
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-	movs r0, 0x1
-_08129DA8:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129D78
-
-	thumb_func_start sub_8129DB0
-sub_8129DB0: @ 8129DB0
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0x1
-	beq _08129DE6
-	cmp r0, 0x1
-	bgt _08129DC4
-	cmp r0, 0
-	beq _08129DCA
-	b _08129E0C
-_08129DC4:
-	cmp r0, 0x2
-	beq _08129DF2
-	b _08129E0C
-_08129DCA:
-	movs r0, 0x1
-	bl sub_812AEFC
-	bl sub_812A980
-	cmp r0, 0
-	bne _08129E12
-	bl sub_812A804
-	movs r0, 0x2
-	movs r1, 0x2
-	bl CopyWindowToVram
-	b _08129E0C
-_08129DE6:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	beq _08129E0C
-	b _08129E12
-_08129DF2:
-	bl sub_812A9C8
-	cmp r0, 0
-	bne _08129E12
-	bl sub_812AF1C
-	movs r0, 0
-	bl sub_812AEFC
-	bl sub_812B160
-	movs r0, 0
-	b _08129E14
-_08129E0C:
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-_08129E12:
-	movs r0, 0x1
-_08129E14:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129DB0
-
-	thumb_func_start sub_8129E1C
-sub_8129E1C: @ 8129E1C
-	push {lr}
-	bl sub_812AF1C
-	movs r0, 0
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129E1C
-
-	thumb_func_start sub_8129E28
-sub_8129E28: @ 8129E28
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _08129E38
-	cmp r0, 0x1
-	beq _08129E5C
-	b _08129E66
-_08129E38:
-	movs r0, 0
-	movs r1, 0
-	bl sub_812A578
-	movs r0, 0x17
-	movs r1, 0xB
-	movs r2, 0x1
-	bl sub_812A424
-	ldr r0, _08129E58 @ =gUnknown_203B0E4
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x1E]
-	movs r1, 0x3
-	bl CopyWindowToVram
-	b _08129E66
-	.align 2, 0
-_08129E58: .4byte gUnknown_203B0E4
-_08129E5C:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	lsrs r0, 24
-	b _08129E6E
-_08129E66:
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-	movs r0, 0x1
-_08129E6E:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129E28
-
-	thumb_func_start sub_8129E74
-sub_8129E74: @ 8129E74
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _08129E84
-	cmp r0, 0x1
-	beq _08129E94
-	b _08129EAA
-_08129E84:
-	bl sub_812A6F4
-	bl sub_812A51C
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	b _08129EAA
-_08129E94:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _08129EB0
-	bl sub_812A728
-	bl sub_812A544
-	movs r0, 0
-	b _08129EB2
-_08129EAA:
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-_08129EB0:
-	movs r0, 0x1
-_08129EB2:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129E74
-
-	thumb_func_start sub_8129EB8
-sub_8129EB8: @ 8129EB8
-	push {r4,lr}
-	sub sp, 0xC
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _08129ECA
-	cmp r0, 0x1
-	beq _08129F02
-	b _08129F14
-_08129ECA:
-	add r1, sp, 0x8
-	add r0, sp, 0x4
-	bl sub_8129730
-	ldr r0, [sp, 0x4]
-	lsls r0, 16
-	lsrs r0, 16
-	ldr r1, [sp, 0x8]
-	lsls r1, 16
-	lsrs r1, 16
-	movs r2, 0
-	bl sub_812A74C
-	bl sub_8129714
-	adds r1, r0, 0
-	movs r0, 0x2
-	str r0, [sp]
-	movs r0, 0
-	movs r2, 0x3
-	movs r3, 0x1
-	bl sub_812A778
-	movs r0, 0x1
-	movs r1, 0x2
-	bl CopyWindowToVram
-	b _08129F14
-_08129F02:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _08129F1A
-	bl sub_812B160
-	movs r0, 0
-	b _08129F1C
-_08129F14:
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-_08129F1A:
-	movs r0, 0x1
-_08129F1C:
-	add sp, 0xC
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129EB8
-
-	thumb_func_start sub_8129F24
-sub_8129F24: @ 8129F24
-	push {r4-r6,lr}
-	sub sp, 0x4
-	adds r6, r0, 0
-	ldrb r0, [r6]
-	cmp r0, 0x1
-	beq _08129F80
-	cmp r0, 0x1
-	bgt _08129F3A
-	cmp r0, 0
-	beq _08129F44
-	b _08129FBA
-_08129F3A:
-	cmp r0, 0x2
-	beq _08129FA4
-	cmp r0, 0x3
-	beq _08129FB6
-	b _08129FBA
-_08129F44:
-	bl sub_8129788
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	bl sub_8129758
-	adds r5, r0, 0
-	bl StringLength_Multibyte
-	adds r1, r0, 0
-	lsls r1, 16
-	lsrs r1, 16
-	adds r0, r4, 0
-	movs r2, 0x66
-	bl sub_812A74C
-	movs r0, 0x5
-	str r0, [sp]
-	adds r0, r4, 0
-	adds r1, r5, 0
-	movs r2, 0
-	movs r3, 0x4
-	bl sub_812A778
-	movs r0, 0x1
-	movs r1, 0x2
-	bl CopyWindowToVram
-	b _08129FBA
-_08129F80:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _08129FC0
-	movs r0, 0x1
-	movs r1, 0x10
-	bl sub_812A578
-	ldr r0, _08129FA0 @ =gUnknown_203B0E4
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x1E]
-	movs r1, 0x3
-	bl CopyWindowToVram
-	b _08129FBA
-	.align 2, 0
-_08129FA0: .4byte gUnknown_203B0E4
-_08129FA4:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _08129FC0
-	movs r0, 0x1
-	bl sub_812AF8C
-	b _08129FBA
-_08129FB6:
-	movs r0, 0
-	b _08129FC2
-_08129FBA:
-	ldrb r0, [r6]
-	adds r0, 0x1
-	strb r0, [r6]
-_08129FC0:
-	movs r0, 0x1
-_08129FC2:
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129F24
-
-	thumb_func_start sub_8129FCC
-sub_8129FCC: @ 8129FCC
-	push {r4-r6,lr}
-	sub sp, 0x4
-	adds r6, r0, 0
-	ldrb r0, [r6]
-	cmp r0, 0x1
-	beq _0812A028
-	cmp r0, 0x1
-	bgt _08129FE2
-	cmp r0, 0
-	beq _08129FEC
-	b _0812A062
-_08129FE2:
-	cmp r0, 0x2
-	beq _0812A048
-	cmp r0, 0x3
-	beq _0812A05E
-	b _0812A062
-_08129FEC:
-	bl sub_8129788
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	bl sub_8129758
-	adds r5, r0, 0
-	bl StringLength_Multibyte
-	adds r1, r0, 0
-	lsls r1, 16
-	lsrs r1, 16
-	adds r0, r4, 0
-	movs r2, 0
-	bl sub_812A74C
-	movs r0, 0x2
-	str r0, [sp]
-	adds r0, r4, 0
-	adds r1, r5, 0
-	movs r2, 0x3
-	movs r3, 0x1
-	bl sub_812A778
-	movs r0, 0x1
-	movs r1, 0x2
-	bl CopyWindowToVram
-	b _0812A062
-_0812A028:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _0812A068
-	bl sub_812A6F4
-	ldr r0, _0812A044 @ =gUnknown_203B0E4
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x1E]
-	movs r1, 0x3
-	bl CopyWindowToVram
-	b _0812A062
-	.align 2, 0
-_0812A044: .4byte gUnknown_203B0E4
-_0812A048:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _0812A068
-	movs r0, 0
-	bl sub_812AF8C
-	bl sub_812A728
-	b _0812A062
-_0812A05E:
-	movs r0, 0
-	b _0812A06A
-_0812A062:
-	ldrb r0, [r6]
-	adds r0, 0x1
-	strb r0, [r6]
-_0812A068:
-	movs r0, 0x1
-_0812A06A:
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8129FCC
-
-	thumb_func_start sub_812A074
-sub_812A074: @ 812A074
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _0812A084
-	cmp r0, 0x1
-	beq _0812A098
-	b _0812A0A6
-_0812A084:
-	bl sub_812A804
-	movs r0, 0x2
-	movs r1, 0x2
-	bl CopyWindowToVram
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-	b _0812A0A6
-_0812A098:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _0812A0A6
-	movs r0, 0
-	b _0812A0A8
-_0812A0A6:
-	movs r0, 0x1
-_0812A0A8:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_812A074
-
-	thumb_func_start sub_812A0B0
-sub_812A0B0: @ 812A0B0
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	ldrb r0, [r6]
-	cmp r0, 0x4
-	bhi _0812A182
-	lsls r0, 2
-	ldr r1, _0812A0C4 @ =_0812A0C8
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0812A0C4: .4byte _0812A0C8
-	.align 2, 0
-_0812A0C8:
-	.4byte _0812A0DC
-	.4byte _0812A108
-	.4byte _0812A138
-	.4byte _0812A15C
-	.4byte _0812A126
-_0812A0DC:
-	ldr r0, _0812A104 @ =gUnknown_203B0E4
-	ldr r0, [r0]
-	ldrh r5, [r0, 0x1A]
-	bl sub_81297C4
-	adds r4, r0, 0
-	bl sub_81297D0
-	adds r2, r0, 0
-	lsls r2, 24
-	lsrs r2, 24
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl sub_812AA78
-	movs r0, 0
-	movs r1, 0x2
-	bl CopyWindowToVram
-	b _0812A17C
-	.align 2, 0
-_0812A104: .4byte gUnknown_203B0E4
-_0812A108:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0
-	bne _0812A182
-	ldr r0, _0812A12C @ =gUnknown_203B0E4
-	ldr r1, [r0]
-	ldrh r0, [r1, 0x1A]
-	cmp r0, 0x8
-	bhi _0812A130
-	adds r0, 0x1
-	strh r0, [r1, 0x1A]
-	movs r0, 0x4
-	strb r0, [r6]
-_0812A126:
-	movs r0, 0
-	b _0812A184
-	.align 2, 0
-_0812A12C: .4byte gUnknown_203B0E4
-_0812A130:
-	strh r2, [r1, 0x1C]
-	ldrb r0, [r6]
-	adds r0, 0x1
-	strb r0, [r6]
-_0812A138:
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0x5
-	movs r3, 0x11
-	bl ScrollWindow
-	movs r0, 0
-	movs r1, 0x2
-	bl CopyWindowToVram
-	ldr r0, _0812A178 @ =gUnknown_203B0E4
-	ldr r1, [r0]
-	ldrh r0, [r1, 0x1C]
-	adds r0, 0x1
-	strh r0, [r1, 0x1C]
-	ldrb r0, [r6]
-	adds r0, 0x1
-	strb r0, [r6]
-_0812A15C:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	cmp r0, 0
-	bne _0812A182
-	ldr r0, _0812A178 @ =gUnknown_203B0E4
-	ldr r0, [r0]
-	ldrh r0, [r0, 0x1C]
-	cmp r0, 0x2
-	bhi _0812A17C
-	ldrb r0, [r6]
-	subs r0, 0x1
-	b _0812A180
-	.align 2, 0
-_0812A178: .4byte gUnknown_203B0E4
-_0812A17C:
-	ldrb r0, [r6]
-	adds r0, 0x1
-_0812A180:
-	strb r0, [r6]
-_0812A182:
-	movs r0, 0x1
-_0812A184:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_812A0B0
-
-	thumb_func_start sub_812A18C
-sub_812A18C: @ 812A18C
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _0812A19C
-	cmp r0, 0x1
-	beq _0812A1A8
-	b _0812A1AE
-_0812A19C:
-	bl sub_812AFC0
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-	b _0812A1AE
-_0812A1A8:
-	bl sub_812AFFC
-	b _0812A1B0
-_0812A1AE:
-	movs r0, 0x1
-_0812A1B0:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_812A18C
-
-	thumb_func_start sub_812A1B8
-sub_812A1B8: @ 812A1B8
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _0812A1C8
-	cmp r0, 0x1
-	beq _0812A1E8
-	b _0812A1F2
-_0812A1C8:
-	movs r0, 0x3
-	movs r1, 0x10
-	bl sub_812A578
-	ldr r0, _0812A1E4 @ =gUnknown_203B0E4
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x1E]
-	movs r1, 0x3
-	bl CopyWindowToVram
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-	b _0812A1F2
-	.align 2, 0
-_0812A1E4: .4byte gUnknown_203B0E4
-_0812A1E8:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	lsrs r0, 24
-	b _0812A1F4
-_0812A1F2:
-	movs r0, 0x1
-_0812A1F4:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_812A1B8
-
 	thumb_func_start sub_812A1FC
 sub_812A1FC: @ 812A1FC
 	push {r4,lr}
diff --git a/data/union_room_chat.s b/data/union_room_chat.s
index 0a51e90a4..d79974946 100644
--- a/data/union_room_chat.s
+++ b/data/union_room_chat.s
@@ -6,134 +6,6 @@
 	.section .rodata
 	.align 2
 
-gUnknown_845AA24:: @ 845AA24
-	.incbin "graphics/union_room_chat/unk_845AA24.gbapal"
-
-gUnknown_845AA44:: @ 845AA44
-	.incbin "graphics/union_room_chat/unk_845AA44.gbapal"
-
-gUnknown_845AA64:: @ 845AA64
-	.incbin "graphics/union_room_chat/unk_845AA64.gbapal"
-
-gUnknown_845AA84:: @ 845AA84
-	.4byte 0x00000070
-	@ {
-	@ 	.bg = 0,
-	@ 	.charBaseIndex = 0,
-	@ 	.mapBaseIndex = 7,
-	@ 	.screenSize = 0,
-	@ 	.paletteMode = 0,
-	@ 	.priority = 0,
-	@ 	.baseTile = 0x0000
-	@ }
-	.4byte 0x000011fd
-	@ {
-	@ 	.bg = 1,
-	@ 	.charBaseIndex = 3,
-	@ 	.mapBaseIndex = 31,
-	@ 	.screenSize = 0,
-	@ 	.paletteMode = 0,
-	@ 	.priority = 1,
-	@ 	.baseTile = 0x0000
-	@ }
-	.4byte 0x0000217a
-	@ {
-	@ 	.bg = 2,
-	@ 	.charBaseIndex = 2,
-	@ 	.mapBaseIndex = 23,
-	@ 	.screenSize = 0,
-	@ 	.paletteMode = 0,
-	@ 	.priority = 2,
-	@ 	.baseTile = 0x0000
-	@ }
-	.4byte 0x000070f7
-	@ {
-	@ 	.bg = 3,
-	@ 	.charBaseIndex = 1,
-	@ 	.mapBaseIndex = 15,
-	@ 	.screenSize = 0,
-	@ 	.paletteMode = 0,
-	@ 	.priority = 3,
-	@ 	.baseTile = 0x0001
-	@ }
-
-gUnknown_845AA94:: @ 845AA94
-	.byte 3, 8, 1, 21, 19, 15
-	.2byte 0x0001
-	.byte 1, 9, 18, 15, 2, 12
-	.2byte 0x007a
-	.byte 1, 0, 2, 6, 15, 7
-	.2byte 0x0020
-	.byte 0, 1, 2, 7, 9, 14
-	.2byte 0x0013
-	.byte 255, 0, 0, 0, 0, 0
-	.2byte 0x0000
-
-gUnknown_845AABC:: @ 845AABC
-	.2byte 0x00
-	.align 2
-	.4byte sub_8129CA0
-	.2byte 0x03
-	.align 2
-	.4byte sub_8129D40
-	.2byte 0x04
-	.align 2
-	.4byte sub_8129D78
-	.2byte 0x05
-	.align 2
-	.4byte sub_8129DB0
-	.2byte 0x01
-	.align 2
-	.4byte sub_8129E1C
-	.2byte 0x06
-	.align 2
-	.4byte sub_8129E28
-	.2byte 0x07
-	.align 2
-	.4byte sub_8129E74
-	.2byte 0x08
-	.align 2
-	.4byte sub_8129EB8
-	.2byte 0x09
-	.align 2
-	.4byte sub_8129F24
-	.2byte 0x0a
-	.align 2
-	.4byte sub_8129FCC
-	.2byte 0x0b
-	.align 2
-	.4byte sub_812A074
-	.2byte 0x0c
-	.align 2
-	.4byte sub_812A0B0
-	.2byte 0x02
-	.align 2
-	.4byte sub_812A18C
-	.2byte 0x0d
-	.align 2
-	.4byte sub_812A1B8
-	.2byte 0x12
-	.align 2
-	.4byte sub_812A1FC
-	.2byte 0x13
-	.align 2
-	.4byte sub_812A240
-	.2byte 0x0e
-	.align 2
-	.4byte sub_812A294
-	.2byte 0x0f
-	.align 2
-	.4byte sub_812A2E4
-	.2byte 0x10
-	.align 2
-	.4byte sub_812A334
-	.2byte 0x11
-	.align 2
-	.4byte sub_812A378
-	.2byte 0x14
-	.align 2
-	.4byte sub_812A3D0
-
 gUnknown_845AB64:: @ 845AB64
 	.4byte gUnknown_841B366
 	.byte 0x01, 0x00, 0x00, 0x01, 0x02, 0x00, 0x00
diff --git a/include/union_room_chat.h b/include/union_room_chat.h
index 66daac376..3488e71bc 100644
--- a/include/union_room_chat.h
+++ b/include/union_room_chat.h
@@ -1,8 +1,13 @@
 #ifndef GUARD_UNION_ROOM_CHAT_H
 #define GUARD_UNION_ROOM_CHAT_H
 
-void sub_801DD98(void);
 void sub_8128420(void);
+u8 *sub_8129714(void);
+void sub_8129730(u32 *a0, u32 *a1);
+u8 *sub_8129758(void);
+u16 sub_8129788(void);
+u8 *sub_81297C4(void);
+u16 sub_81297D0(void);
 void copy_strings_to_sav1(void);
 
 #endif // GUARD_UNION_ROOM_CHAT_H
diff --git a/include/union_room_chat_display.h b/include/union_room_chat_display.h
new file mode 100644
index 000000000..597296869
--- /dev/null
+++ b/include/union_room_chat_display.h
@@ -0,0 +1,12 @@
+#ifndef GUARD_UNION_ROOM_CHAT_DISPLAY_H
+#define GUARD_UNION_ROOM_CHAT_DISPLAY_H
+
+bool8 sub_8129B14(void);
+bool32 sub_8129B78(void);
+void sub_8129B88(void);
+void sub_8129BFC(void);
+void sub_8129C34(u16 a0, u8 a1);
+u8 sub_8129C8C(u8 a0);
+s8 sub_812A568(void);
+
+#endif //GUARD_UNION_ROOM_CHAT_DISPLAY_H
diff --git a/include/union_room_chat_objects.h b/include/union_room_chat_objects.h
new file mode 100644
index 000000000..41db4d3a4
--- /dev/null
+++ b/include/union_room_chat_objects.h
@@ -0,0 +1,16 @@
+#ifndef GUARD_UNION_ROOM_CHAT_OBJECTS_H
+#define GUARD_UNION_ROOM_CHAT_OBJECTS_H
+
+bool32 sub_812AE70(void);
+void sub_812AEB0(void);
+void sub_812AEC8(void);
+void sub_812AEFC(bool8 invisible);
+void sub_812AF1C(void);
+void sub_812AF8C(u32 idx);
+void sub_812AFC0(void);
+bool32 sub_812AFFC(void);
+void sub_812B048(void);
+void sub_812B100(void);
+void sub_812B160(void);
+
+#endif //GUARD_UNION_ROOM_CHAT_OBJECTS_H
diff --git a/ld_script.txt b/ld_script.txt
index c21f61f53..c02fc0f08 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -247,6 +247,7 @@ SECTIONS {
         asm/pokemon_special_anim.o(.text);
         src/party_menu.o(.text);
         src/union_room_chat.o(.text);
+        src/union_room_chat_display.o(.text);
         asm/union_room_chat.o(.text);
         src/help_system_812B1E0.o(.text);
         src/quest_log_battle.o(.text);
@@ -536,6 +537,7 @@ SECTIONS {
         data/pokemon_special_anim.o(.rodata);
         src/party_menu.o(.rodata);
         src/union_room_chat.o(.rodata);
+        src/union_room_chat_display.o(.rodata);
         data/union_room_chat.o(.rodata);
         src/help_system_812B1E0.o(.rodata);
         src/fame_checker.o(.rodata);
diff --git a/src/union_room_chat.c b/src/union_room_chat.c
index abd763367..936803f80 100644
--- a/src/union_room_chat.c
+++ b/src/union_room_chat.c
@@ -13,6 +13,7 @@
 #include "scanline_effect.h"
 #include "strings.h"
 #include "task.h"
+#include "union_room_chat_display.h"
 #include "data_8479668.h"
 #include "constants/songs.h"
 
@@ -89,13 +90,6 @@ void sub_81295EC(u8 *ptr);
 void sub_8129614(u8 *ptr);
 u8 *sub_8129758(void);
 void sub_81298F8(u8 taskId);
-void sub_8129B14(void);
-bool32 sub_8129B78(void);
-void sub_8129B88(void);
-void sub_8129BFC(void);
-void sub_8129C34(u16 a0, u8 a1);
-u8 sub_8129C8C(u8 a0);
-s8 sub_812A568(void);
 
 static void (*const gUnknown_845A880[])(void) = {
     sub_8128640,
diff --git a/src/union_room_chat_display.c b/src/union_room_chat_display.c
new file mode 100644
index 000000000..993481d3d
--- /dev/null
+++ b/src/union_room_chat_display.c
@@ -0,0 +1,656 @@
+#include "global.h"
+#include "gflib.h"
+#include "new_menu_helpers.h"
+#include "scanline_effect.h"
+#include "union_room_chat.h"
+#include "union_room_chat_display.h"
+#include "union_room_chat_objects.h"
+
+struct UnionRoomChat2_Unk0
+{
+    bool32 (*unk0)(u8 *);
+    u8 unk4;
+    u8 unk5;
+};
+
+struct UnionRoomChat2
+{
+    struct UnionRoomChat2_Unk0 unk0[3];
+    u16 unk18;
+    u16 unk1A;
+    u16 unk1C;
+    u16 unk1E;
+    s16 unk20;
+    u8 unk22[0x106];
+    u8 unk128[BG_SCREEN_SIZE];
+    u8 unk928[BG_SCREEN_SIZE];
+    u8 unk1128[BG_SCREEN_SIZE];
+    u8 unk1928[BG_SCREEN_SIZE];
+    u8 unk2128[0x20];
+    u8 unk2148[0x20];
+};
+
+struct Unk845AABC
+{
+    u16 unk0;
+    bool32 (*unk4)(u8 *);
+};
+
+EWRAM_DATA struct UnionRoomChat2 * gUnknown_203B0E4 = NULL;
+
+void sub_8129BB8(struct UnionRoomChat2 * ptr);
+void sub_8129BC4(void);
+bool32 sub_8129CA0(u8 *state);
+bool32 sub_8129D40(u8 *state);
+bool32 sub_8129D78(u8 *state);
+bool32 sub_8129DB0(u8 *state);
+bool32 sub_8129E1C(u8 *state);
+bool32 sub_8129E28(u8 *state);
+bool32 sub_8129E74(u8 *state);
+bool32 sub_8129EB8(u8 *state);
+bool32 sub_8129F24(u8 *state);
+bool32 sub_8129FCC(u8 *state);
+bool32 sub_812A074(u8 *state);
+bool32 sub_812A0B0(u8 *state);
+bool32 sub_812A18C(u8 *state);
+bool32 sub_812A1B8(u8 *state);
+bool32 sub_812A1FC(u8 *state);
+bool32 sub_812A240(u8 *state);
+bool32 sub_812A294(u8 *state);
+bool32 sub_812A2E4(u8 *state);
+bool32 sub_812A334(u8 *state);
+bool32 sub_812A378(u8 *state);
+bool32 sub_812A3D0(u8 *state);
+bool32 sub_812A420(u8 *state);
+void sub_812A424(u8 a0, u8 a1, u8 a2);
+void sub_812A51C(void);
+void sub_812A544(void);
+void sub_812A578(int a0, u16 a1);
+void sub_812A6F4(void);
+void sub_812A728(void);
+void sub_812A74C(u16 a0, u16 a1, u8 a2);
+void sub_812A778(u16 a0, u8 *a1, u8 a2, u8 a3, u8 a4);
+void sub_812A804(void);
+bool32 sub_812A980(void);
+bool32 sub_812A9C8(void);
+void sub_812AA10(void);
+void sub_812AA64(void);
+void sub_812AA78(u16 a0, u8 *a1, u8 a2);
+void sub_812AAD4(void);
+void sub_812AB8C(void);
+void sub_812ABD8(void);
+void sub_812AC08(void);
+void sub_812AC58(void);
+void sub_812AC9C(void);
+void sub_812ACC0(void);
+void sub_812ACEC(void);
+void sub_812AD04(void);
+void sub_812AD20(void);
+void sub_812AD50(void);
+
+const u16 gUnknown_845AA24[] = INCBIN_U16("graphics/union_room_chat/unk_845AA24.gbapal");
+const u16 gUnknown_845AA44[] = INCBIN_U16("graphics/union_room_chat/unk_845AA44.gbapal");
+const u16 gUnknown_845AA64[] = INCBIN_U16("graphics/union_room_chat/unk_845AA64.gbapal");
+
+const struct BgTemplate gUnknown_845AA84[] = {
+    {
+        .bg = 0,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 7,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 0,
+        .baseTile = 0x0000
+    }, {
+        .bg = 1,
+        .charBaseIndex = 3,
+        .mapBaseIndex = 31,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 1,
+        .baseTile = 0x0000
+    }, {
+        .bg = 2,
+        .charBaseIndex = 2,
+        .mapBaseIndex = 23,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 2,
+        .baseTile = 0x0000
+    }, {
+        .bg = 3,
+        .charBaseIndex = 1,
+        .mapBaseIndex = 15,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 3,
+        .baseTile = 0x0001
+    }
+};
+
+const struct WindowTemplate gUnknown_845AA94[] = {
+    {
+        .bg = 3,
+        .tilemapLeft = 8,
+        .tilemapTop = 1,
+        .width = 21,
+        .height = 19,
+        .paletteNum = 15,
+        .baseBlock = 0x001
+    }, {
+        .bg = 1,
+        .tilemapLeft = 9,
+        .tilemapTop = 18,
+        .width = 15,
+        .height = 2,
+        .paletteNum = 12,
+        .baseBlock = 0x07a
+    }, {
+        .bg = 1,
+        .tilemapLeft = 0,
+        .tilemapTop = 2,
+        .width = 6,
+        .height = 15,
+        .paletteNum = 7,
+        .baseBlock = 0x020
+    }, {
+        .bg = 0,
+        .tilemapLeft = 1,
+        .tilemapTop = 2,
+        .width = 7,
+        .height = 9,
+        .paletteNum = 14,
+        .baseBlock = 0x013
+    }, DUMMY_WIN_TEMPLATE
+};
+
+const struct Unk845AABC gUnknown_845AABC[] = {
+    { 0, sub_8129CA0},
+    { 3, sub_8129D40},
+    { 4, sub_8129D78},
+    { 5, sub_8129DB0},
+    { 1, sub_8129E1C},
+    { 6, sub_8129E28},
+    { 7, sub_8129E74},
+    { 8, sub_8129EB8},
+    { 9, sub_8129F24},
+    {10, sub_8129FCC},
+    {11, sub_812A074},
+    {12, sub_812A0B0},
+    { 2, sub_812A18C},
+    {13, sub_812A1B8},
+    {18, sub_812A1FC},
+    {19, sub_812A240},
+    {14, sub_812A294},
+    {15, sub_812A2E4},
+    {16, sub_812A334},
+    {17, sub_812A378},
+    {20, sub_812A3D0}
+};
+
+bool8 sub_8129B14(void)
+{
+    gUnknown_203B0E4 = Alloc(sizeof(*gUnknown_203B0E4));
+    if (gUnknown_203B0E4 && sub_812AE70())
+    {
+        ResetBgsAndClearDma3BusyFlags(0);
+        InitBgsFromTemplates(0, gUnknown_845AA84, NELEMS(gUnknown_845AA84));
+        InitWindows(gUnknown_845AA94);
+        ResetTempTileDataBuffers();
+        sub_812AD50();
+        sub_8129BB8(gUnknown_203B0E4);
+        sub_8129BC4();
+        sub_8129C34(0, 0);
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
+}
+
+bool32 sub_8129B78(void)
+{
+    return sub_8129C8C(0);
+}
+
+void sub_8129B88(void)
+{
+    sub_812AEB0();
+    if (gUnknown_203B0E4)
+    FREE_AND_SET_NULL(gUnknown_203B0E4);
+
+    FreeAllWindowBuffers();
+    gScanlineEffect.state = 3;
+}
+
+void sub_8129BB8(struct UnionRoomChat2 *arg0)
+{
+    arg0->unk18 = 0xFF;
+    arg0->unk1E = 0xFF;
+    arg0->unk1A = 0;
+}
+
+void sub_8129BC4(void)
+{
+    int i;
+
+    if (!gUnknown_203B0E4)
+        return;
+
+    for (i = 0; i < 3; i++)
+    {
+        gUnknown_203B0E4->unk0[i].unk0 = sub_812A420;
+        gUnknown_203B0E4->unk0[i].unk4 = 0;
+        gUnknown_203B0E4->unk0[i].unk5 = 0;
+    }
+}
+
+void sub_8129BFC(void)
+{
+    int i;
+
+    if (gUnknown_203B0E4 == NULL)
+        return;
+
+    for (i = 0; i < 3; i++)
+    {
+        if (gUnknown_203B0E4->unk0[i].unk4)
+            gUnknown_203B0E4->unk0[i].unk4 = gUnknown_203B0E4->unk0[i].unk0(&gUnknown_203B0E4->unk0[i].unk5);
+    }
+}
+
+void sub_8129C34(u16 arg0, u8 arg1)
+{
+    int i;
+
+    gUnknown_203B0E4->unk0[arg1].unk0 = sub_812A420;
+    for (i = 0; i < NELEMS(gUnknown_845AABC); i++)
+    {
+        if (gUnknown_845AABC[i].unk0 == arg0)
+        {
+            gUnknown_203B0E4->unk0[arg1].unk0 = gUnknown_845AABC[i].unk4;
+            gUnknown_203B0E4->unk0[arg1].unk4 = 1;
+            gUnknown_203B0E4->unk0[arg1].unk5 = 0;
+            break;
+        }
+    }
+}
+
+bool8 sub_8129C8C(u8 arg0)
+{
+    return gUnknown_203B0E4->unk0[arg0].unk4;
+}
+
+bool32 sub_8129CA0(u8 *state)
+{
+    if (FreeTempTileDataBuffersIfPossible() == TRUE)
+        return TRUE;
+
+    switch (*state)
+    {
+    case 0:
+        sub_812AAD4();
+        sub_812AB8C();
+        break;
+    case 1:
+        sub_812ABD8();
+        break;
+    case 2:
+        sub_812AC08();
+        break;
+    case 3:
+        sub_812AC58();
+        break;
+    case 4:
+        sub_812AC9C();
+        break;
+    case 5:
+        sub_812ACC0();
+        sub_812ACEC();
+        sub_812AD20();
+        sub_812AD04();
+        break;
+    case 6:
+        if (!IsDma3ManagerBusyWithBgCopy())
+        {
+            sub_812AEC8();
+            sub_812B048();
+            sub_812B100();
+        }
+        break;
+    default:
+        return FALSE;
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_8129D40(u8 *state)
+{
+    switch (*state)
+    {
+    case 0:
+        sub_812AA10();
+        CopyWindowToVram(3, 3);
+        break;
+    case 1:
+        return IsDma3ManagerBusyWithBgCopy();
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_8129D78(u8 *state)
+{
+    switch (*state)
+    {
+    case 0:
+        sub_812AA64();
+        CopyWindowToVram(3, 3);
+        break;
+    case 1:
+        return IsDma3ManagerBusyWithBgCopy();
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_8129DB0(u8 *state)
+{
+    switch (*state)
+    {
+    case 0:
+        sub_812AEFC(TRUE);
+        if (sub_812A980())
+            return TRUE;
+
+        sub_812A804();
+        CopyWindowToVram(2, 2);
+        break;
+    case 1:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return TRUE;
+        break;
+    case 2:
+        if (sub_812A9C8())
+            return TRUE;
+
+        sub_812AF1C();
+        sub_812AEFC(FALSE);
+        sub_812B160();
+        return FALSE;
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_8129E1C(u8 *state)
+{
+    sub_812AF1C();
+    return FALSE;
+}
+
+bool32 sub_8129E28(u8 *state)
+{
+    switch (*state)
+    {
+    case 0:
+        sub_812A578(0, 0);
+        sub_812A424(23, 11, 1);
+        CopyWindowToVram(gUnknown_203B0E4->unk1E, 3);
+        break;
+    case 1:
+        return IsDma3ManagerBusyWithBgCopy();
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_8129E74(u8 *state)
+{
+    switch (*state)
+    {
+    case 0:
+        sub_812A6F4();
+        sub_812A51C();
+        CopyBgTilemapBufferToVram(0);
+        break;
+    case 1:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return TRUE;
+
+        sub_812A728();
+        sub_812A544();
+        return FALSE;
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_8129EB8(u8 *state)
+{
+    u32 var0, var1;
+    u8 *str;
+
+    switch (*state)
+    {
+    case 0:
+        sub_8129730(&var0, &var1);
+        sub_812A74C(var0, var1, 0);
+        str = sub_8129714();
+        sub_812A778(0, str, 3, 1, 2);
+        CopyWindowToVram(1, 2);
+        break;
+    case 1:
+        if (!IsDma3ManagerBusyWithBgCopy())
+        {
+            sub_812B160();
+            return FALSE;
+        }
+        return TRUE;
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_8129F24(u8 *state)
+{
+    u16 var0;
+    u8 *str;
+    u16 length;
+
+    switch (*state)
+    {
+    case 0:
+        var0 = sub_8129788();
+        str = sub_8129758();
+        length = StringLength_Multibyte(str);
+        sub_812A74C(var0, length, PIXEL_FILL(6));
+        sub_812A778(var0, str, 0, 4, 5);
+        CopyWindowToVram(1, 2);
+        break;
+    case 1:
+        if (!IsDma3ManagerBusyWithBgCopy())
+        {
+            sub_812A578(1, 16);
+            CopyWindowToVram(gUnknown_203B0E4->unk1E, 3);
+        }
+        else
+        {
+            return TRUE;
+        }
+        break;
+    case 2:
+        if (!IsDma3ManagerBusyWithBgCopy())
+            sub_812AF8C(1);
+        else
+            return TRUE;
+        break;
+    case 3:
+        return FALSE;
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_8129FCC(u8 *state)
+{
+    u16 var0;
+    u8 *str;
+    u16 length;
+
+    switch (*state)
+    {
+    case 0:
+        var0 = sub_8129788();
+        str = sub_8129758();
+        length = StringLength_Multibyte(str);
+        sub_812A74C(var0, length, PIXEL_FILL(0));
+        sub_812A778(var0, str, 3, 1, 2);
+        CopyWindowToVram(1, 2);
+        break;
+    case 1:
+        if (!IsDma3ManagerBusyWithBgCopy())
+        {
+            sub_812A6F4();
+            CopyWindowToVram(gUnknown_203B0E4->unk1E, 3);
+        }
+        else
+        {
+            return TRUE;
+        }
+        break;
+    case 2:
+        if (!IsDma3ManagerBusyWithBgCopy())
+        {
+            sub_812AF8C(0);
+            sub_812A728();
+        }
+        else
+        {
+            return TRUE;
+        }
+        break;
+    case 3:
+        return FALSE;
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_812A074(u8 *state)
+{
+    switch (*state)
+    {
+    case 0:
+        sub_812A804();
+        CopyWindowToVram(2, 2);
+        (*state)++;
+        break;
+    case 1:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return TRUE;
+        else
+            return FALSE;
+    }
+
+    return TRUE;
+}
+
+bool32 sub_812A0B0(u8 *state)
+{
+    u16 var0;
+    u8 *str;
+    u8 var1;
+
+    switch (*state)
+    {
+    case 0:
+        var0 = gUnknown_203B0E4->unk1A;
+        str = sub_81297C4();
+        var1 = sub_81297D0();
+        sub_812AA78(var0, str, var1);
+        CopyWindowToVram(0, 2);
+        break;
+    case 1:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return TRUE;
+
+        if (gUnknown_203B0E4->unk1A < 9)
+        {
+            gUnknown_203B0E4->unk1A++;
+            *state = 4;
+            return FALSE;
+        }
+        else
+        {
+            gUnknown_203B0E4->unk1C = 0;
+            (*state)++;
+        }
+        // fall through
+    case 2:
+        ScrollWindow(0, 0, 5, PIXEL_FILL(1));
+        CopyWindowToVram(0, 2);
+        gUnknown_203B0E4->unk1C++;
+        (*state)++;
+        // fall through
+    case 3:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return TRUE;
+
+        if (gUnknown_203B0E4->unk1C < 3)
+        {
+            (*state)--;
+            return TRUE;
+        }
+        break;
+    case 4:
+        return FALSE;
+    default:
+        return TRUE;
+    }
+
+    (*state)++;
+    return TRUE;
+}
+
+bool32 sub_812A18C(u8 *state)
+{
+    switch (*state)
+    {
+    case 0:
+        sub_812AFC0();
+        (*state)++;
+        break;
+    case 1:
+        return sub_812AFFC();
+    }
+
+    return TRUE;
+}
+
+bool32 sub_812A1B8(u8 *state)
+{
+    switch (*state)
+    {
+    case 0:
+        sub_812A578(3, 16);
+        CopyWindowToVram(gUnknown_203B0E4->unk1E, 3);
+        (*state)++;
+        break;
+    case 1:
+        return IsDma3ManagerBusyWithBgCopy();
+    }
+
+    return TRUE;
+}