decompile unk_020023C0.s

4 files changed, 529 insertions, 1127 deletions

diff --git a/arm9/asm/unk_020023C0.s b/arm9/asm/unk_020023C0.s
deleted file mode 100644
index dc0c45ef..00000000
--- a/arm9/asm/unk_020023C0.s
+++ /dev/null
@@ -1,1123 +0,0 @@
-	.include "asm/macros.inc"
-	.include "global.inc"
-
-	.section .bss
-
-	.extern gMain
-	.extern gMain
-
-	.global gTextFlags
-gTextFlags: ; 0x02106FC4
-	.space 0x4
-
-	.section .rodata
-
-	.global UNK_020ECB50
-UNK_020ECB50: ; 0x020ECB50
-	.byte 0x00, 0x01, 0x02, 0x01
-
-	.text
-
-	thumb_func_start RenderText
-RenderText: ; 0x020023C0
-	push {r3-r6, lr}
-	sub sp, #0xc
-	add r4, r0, #0x0
-	add r1, r4, #0x0
-	add r1, #0x24
-	ldrb r1, [r1, #0x0]
-	add r6, r4, #0x0
-	add r6, #0x1c
-	cmp r1, #0x6
-	bls _020023D6
-	b _02002838
-_020023D6:
-	add r1, r1, r1
-	add r1, pc
-	ldrh r1, [r1, #0x6]
-	lsl r1, r1, #0x10
-	asr r1, r1, #0x10
-	add pc, r1
-_020023E2: ; jump table (using 16-bit offset)
-	.short _020023F0 - _020023E2 - 2; case 0
-	.short _02002742 - _020023E2 - 2; case 1
-	.short _0200275C - _020023E2 - 2; case 2
-	.short _02002786 - _020023E2 - 2; case 3
-	.short _020027B6 - _020023E2 - 2; case 4
-	.short _0200280C - _020023E2 - 2; case 5
-	.short _02002818 - _020023E2 - 2; case 6
-_020023F0:
-	ldr r0, _02002658 ; =gMain
-	ldr r1, [r0, #0x44]
-	mov r0, #0x3
-	tst r0, r1
-	beq _02002402
-	ldrb r0, [r6, #0x0]
-	lsl r0, r0, #0x1b
-	lsr r0, r0, #0x1f
-	bne _02002414
-_02002402:
-	ldr r0, _0200265C ; =gMain + 0x40
-	ldrh r0, [r0, #0x22]
-	cmp r0, #0x0
-	beq _02002432
-	ldr r0, _02002660 ; =gTextFlags
-	ldrb r0, [r0, #0x0]
-	lsl r0, r0, #0x1b
-	lsr r0, r0, #0x1f
-	beq _02002432
-_02002414:
-	add r0, r4, #0x0
-	mov r1, #0x0
-	add r0, #0x26
-	strb r1, [r0, #0x0]
-	add r0, r4, #0x0
-	add r0, #0x25
-	ldrb r0, [r0, #0x0]
-	lsl r0, r0, #0x19
-	lsr r0, r0, #0x19
-	beq _02002432
-	ldr r1, _02002660 ; =gTextFlags
-	mov r0, #0x40
-	ldrb r2, [r1, #0x0]
-	orr r0, r2
-	strb r0, [r1, #0x0]
-_02002432:
-	add r0, r4, #0x0
-	add r0, #0x26
-	ldrb r0, [r0, #0x0]
-	cmp r0, #0x0
-	beq _0200248C
-	add r0, r4, #0x0
-	add r0, #0x25
-	ldrb r0, [r0, #0x0]
-	lsl r0, r0, #0x19
-	lsr r0, r0, #0x19
-	beq _0200248C
-	add r0, r4, #0x0
-	add r0, #0x26
-	ldrb r0, [r0, #0x0]
-	sub r1, r0, #0x1
-	add r0, r4, #0x0
-	add r0, #0x26
-	strb r1, [r0, #0x0]
-	ldr r0, _02002660 ; =gTextFlags
-	ldrb r0, [r0, #0x0]
-	lsl r1, r0, #0x1f
-	lsr r1, r1, #0x1f
-	beq _02002486
-	ldr r1, _02002658 ; =gMain
-	ldr r2, [r1, #0x48]
-	mov r1, #0x3
-	tst r1, r2
-	bne _02002478
-	ldr r1, _0200265C ; =gMain + 0x40
-	ldrh r1, [r1, #0x20]
-	cmp r1, #0x0
-	beq _02002486
-	lsl r0, r0, #0x1b
-	lsr r0, r0, #0x1f
-	beq _02002486
-_02002478:
-	ldrb r1, [r6, #0x0]
-	mov r0, #0x10
-	add r4, #0x26
-	orr r0, r1
-	strb r0, [r6, #0x0]
-	mov r0, #0x0
-	strb r0, [r4, #0x0]
-_02002486:
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_0200248C:
-	add r0, r4, #0x0
-	add r0, #0x25
-	ldrb r0, [r0, #0x0]
-	lsl r0, r0, #0x19
-	lsr r1, r0, #0x19
-	add r0, r4, #0x0
-	add r0, #0x26
-	strb r1, [r0, #0x0]
-	ldr r0, [r4, #0x0]
-	ldrh r5, [r0, #0x0]
-	add r0, r0, #0x2
-	str r0, [r4, #0x0]
-	mov r0, #0xf1
-	lsl r0, r0, #0x8
-	cmp r5, r0
-	bne _020024B0
-	bl GF_AssertFail
-_020024B0:
-	ldr r0, _02002664 ; =0x0000F0FD
-	cmp r5, r0
-	bgt _020024DA
-	bge _0200250E
-	ldr r1, _02002668 ; =0x000025BD \f
-	cmp r5, r1
-	bgt _020024D0
-	sub r0, r1, #0x1 ; \r
-	cmp r5, r0
-	blt _020024CE
-	bne _020024C8
-	b _020026D8
-_020024C8:
-	cmp r5, r1
-	bne _020024CE
-	b _020026EC
-_020024CE:
-	b _02002700
-_020024D0:
-	mov r0, #0xe
-	lsl r0, r0, #0xc
-	cmp r5, r0
-	beq _020024F2
-	b _02002700
-_020024DA:
-	ldr r0, _0200266C ; =0x0000FFFE EXT_CTRL_CODE_BEGIN
-	cmp r5, r0
-	bgt _020024E4
-	beq _0200251A
-	b _02002700
-_020024E4:
-	add r0, r0, #0x1 ; =0x0000FFFF EOS
-	cmp r5, r0
-	beq _020024EC
-	b _02002700
-_020024EC:
-	add sp, #0xc
-	mov r0, #0x1
-	pop {r3-r6, pc}
-_020024F2:
-	ldrb r0, [r4, #0xa]
-	mov r1, #0x1
-	strb r0, [r4, #0xc]
-	ldrb r0, [r4, #0x9]
-	bl GetFontAttribute
-	ldrb r1, [r4, #0xf]
-	ldrb r2, [r4, #0xd]
-	add sp, #0xc
-	add r0, r1, r0
-	add r0, r2, r0
-	strb r0, [r4, #0xd]
-	mov r0, #0x2
-	pop {r3-r6, pc}
-_0200250E:
-	ldr r0, [r4, #0x0]
-	add sp, #0xc
-	add r0, r0, #0x2
-	str r0, [r4, #0x0]
-	mov r0, #0x2
-	pop {r3-r6, pc}
-_0200251A:
-	ldr r0, [r4, #0x0]
-	sub r0, r0, #0x2
-	str r0, [r4, #0x0]
-	bl MsgArray_GetControlCode
-	lsl r0, r0, #0x10
-	ldr r1, _02002670 ; =0x0000FE06
-	lsr r0, r0, #0x10
-	cmp r0, r1
-	bgt _02002552
-	blt _02002532
-	b _02002678
-_02002532:
-	mov r1, #0x2
-	lsl r1, r1, #0x8
-	sub r1, r0, r1
-	cmp r1, #0x4
-	bhi _0200255C
-	add r1, r1, r1
-	add r1, pc
-	ldrh r1, [r1, #0x6]
-	lsl r1, r1, #0x10
-	asr r1, r1, #0x10
-	add pc, r1
-_02002548: ; jump table (using 16-bit offset)
-	.short _020025B4 - _02002548 - 2; case 0x200
-	.short _020025DE - _02002548 - 2; case 0x201
-	.short _02002600 - _02002548 - 2; case 0x202
-	.short _02002618 - _02002548 - 2; case 0x203
-	.short _02002624 - _02002548 - 2; case 0x204
-_02002552:
-	mov r1, #0xff
-	lsl r1, r1, #0x8
-	cmp r0, r1
-	bgt _0200255E
-	beq _02002566
-_0200255C:
-	b _020026CA
-_0200255E:
-	add r1, r1, #0x1
-	cmp r0, r1
-	beq _02002630
-	b _020026CA
-_02002566:
-	ldr r0, [r4, #0x0]
-	mov r1, #0x0
-	bl MsgArray_ControlCodeGetField
-	lsl r0, r0, #0x10
-	lsr r0, r0, #0x10
-	cmp r0, #0xff
-	bne _02002596
-	ldrb r0, [r4, #0x11]
-	ldrb r2, [r4, #0x17]
-	sub r1, r0, #0x1
-	lsr r0, r1, #0x1f
-	add r0, r1, r0
-	asr r0, r0, #0x1
-	add r0, #0x64
-	strb r0, [r4, #0x17]
-	cmp r2, #0x64
-	blo _02002644
-	cmp r2, #0x6b
-	bhs _02002644
-	sub r2, #0x64
-	lsl r0, r2, #0x10
-	lsr r0, r0, #0x10
-	b _0200259E
-_02002596:
-	cmp r0, #0x64
-	blo _0200259E
-	strb r0, [r4, #0x17]
-	b _020026CA
-_0200259E:
-	lsl r1, r0, #0x1
-	add r0, r1, #0x1
-	strb r0, [r4, #0x11]
-	add r0, r1, #0x2
-	strb r0, [r4, #0x13]
-	ldrb r0, [r4, #0x11]
-	ldrb r1, [r4, #0x12]
-	ldrb r2, [r4, #0x13]
-	bl GenerateFontHalfRowLookupTable
-	b _020026CA
-_020025B4:
-	ldr r0, [r4, #0x0]
-	mov r1, #0x0
-	bl MsgArray_ControlCodeGetField
-	lsl r0, r0, #0x10
-	lsr r3, r0, #0x10
-	ldrb r1, [r4, #0xc]
-	ldrb r2, [r4, #0xd]
-	add r0, r4, #0x0
-	bl FUN_0201C1EC
-	add r0, r4, #0x0
-	add r0, #0x25
-	ldrb r0, [r0, #0x0]
-	lsl r0, r0, #0x18
-	lsr r0, r0, #0x1f
-	beq _020026CA
-	ldr r0, [r4, #0x4]
-	bl CopyWindowToVram
-	b _020026CA
-_020025DE:
-	ldr r0, [r4, #0x0]
-	mov r1, #0x0
-	bl MsgArray_ControlCodeGetField
-	add r1, r4, #0x0
-	add r1, #0x26
-	strb r0, [r1, #0x0]
-	ldr r0, [r4, #0x0]
-	bl MsgArray_SkipControlCode
-	str r0, [r4, #0x0]
-	mov r0, #0x6
-	add r4, #0x24
-	strb r0, [r4, #0x0]
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_02002600:
-	ldr r0, [r4, #0x0]
-	mov r1, #0x0
-	bl MsgArray_ControlCodeGetField
-	strh r0, [r4, #0x2a]
-	ldr r0, [r4, #0x0]
-	bl MsgArray_SkipControlCode
-	str r0, [r4, #0x0]
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_02002618:
-	ldr r0, [r4, #0x0]
-	mov r1, #0x0
-	bl MsgArray_ControlCodeGetField
-	strb r0, [r4, #0xc]
-	b _020026CA
-_02002624:
-	ldr r0, [r4, #0x0]
-	mov r1, #0x0
-	bl MsgArray_ControlCodeGetField
-	strb r0, [r4, #0xd]
-	b _020026CA
-_02002630:
-	ldr r0, [r4, #0x0]
-	mov r1, #0x0
-	bl MsgArray_ControlCodeGetField
-	lsl r0, r0, #0x10
-	lsr r0, r0, #0x10
-	cmp r0, #0x64
-	beq _02002646
-	cmp r0, #0xc8
-	beq _0200264E
-_02002644:
-	b _020026CA
-_02002646:
-	mov r0, #0x0
-	strh r0, [r4, #0x14]
-	strb r0, [r4, #0x16]
-	b _020026CA
-_0200264E:
-	ldr r0, _02002674 ; =0x0000FFFC
-	strh r0, [r4, #0x14]
-	mov r0, #0x0
-	strb r0, [r4, #0x16]
-	b _020026CA
-	.balign 4
-_02002658: .word gMain
-_0200265C: .word gMain + 0x40
-_02002660: .word gTextFlags
-_02002664: .word 0x0000F0FD
-_02002668: .word 0x000025BD
-_0200266C: .word 0x0000FFFE
-_02002670: .word 0x0000FE06
-_02002674: .word 0x0000FFFC
-_02002678:
-	ldr r0, [r4, #0x0]
-	mov r1, #0x0
-	bl MsgArray_ControlCodeGetField
-	lsl r0, r0, #0x10
-	lsr r1, r0, #0x10
-	mov r0, #0xfe
-	lsl r0, r0, #0x8
-	cmp r1, r0
-	beq _020026AE
-	add r0, r0, #0x1
-	cmp r1, r0
-	bne _020026CA
-	add r0, r4, #0x0
-	mov r1, #0x2
-	add r0, #0x24
-	strb r1, [r0, #0x0]
-	add r0, r4, #0x0
-	bl FUN_0200284C
-	ldr r0, [r4, #0x0]
-	bl MsgArray_SkipControlCode
-	str r0, [r4, #0x0]
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_020026AE:
-	add r0, r4, #0x0
-	mov r1, #0x3
-	add r0, #0x24
-	strb r1, [r0, #0x0]
-	add r0, r4, #0x0
-	bl FUN_0200284C
-	ldr r0, [r4, #0x0]
-	bl MsgArray_SkipControlCode
-	str r0, [r4, #0x0]
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_020026CA:
-	ldr r0, [r4, #0x0]
-	bl MsgArray_SkipControlCode
-	str r0, [r4, #0x0]
-	add sp, #0xc
-	mov r0, #0x2
-	pop {r3-r6, pc}
-_020026D8:
-	add r0, r4, #0x0
-	mov r1, #0x2
-	add r0, #0x24
-	strb r1, [r0, #0x0]
-	add r0, r4, #0x0
-	bl FUN_0200284C
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_020026EC:
-	add r0, r4, #0x0
-	mov r1, #0x3
-	add r0, #0x24
-	strb r1, [r0, #0x0]
-	add r0, r4, #0x0
-	bl FUN_0200284C
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_02002700:
-	ldrb r0, [r6, #0x0]
-	add r1, r5, #0x0
-	lsl r0, r0, #0x1c
-	lsr r0, r0, #0x1c
-	bl FUN_02002D94
-	add r5, r0, #0x0
-	ldrb r0, [r4, #0xc]
-	add r2, r5, #0x0
-	add r3, r5, #0x0
-	str r0, [sp, #0x0]
-	ldrb r0, [r4, #0xd]
-	add r2, #0x80
-	add r3, #0x81
-	str r0, [sp, #0x4]
-	ldrh r0, [r4, #0x14]
-	add r1, r5, #0x0
-	str r0, [sp, #0x8]
-	ldrb r2, [r2, #0x0]
-	ldrb r3, [r3, #0x0]
-	ldr r0, [r4, #0x4]
-	bl CopyGlyphToWindow
-	add r5, #0x80
-	ldrb r1, [r5, #0x0]
-	ldrb r0, [r4, #0xe]
-	ldrb r2, [r4, #0xc]
-	add sp, #0xc
-	add r0, r1, r0
-	add r0, r2, r0
-	strb r0, [r4, #0xc]
-	mov r0, #0x0
-	pop {r3-r6, pc}
-_02002742:
-	bl FUN_02002B3C
-	cmp r0, #0x0
-	beq _02002756
-	add r0, r4, #0x0
-	bl FUN_02002A00
-	mov r0, #0x0
-	add r4, #0x24
-	strb r0, [r4, #0x0]
-_02002756:
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_0200275C:
-	bl FUN_02002B18
-	cmp r0, #0x0
-	beq _02002780
-	add r0, r4, #0x0
-	bl FUN_02002A00
-	ldrb r1, [r4, #0x12]
-	ldr r0, [r4, #0x4]
-	bl FillWindowPixelBuffer
-	ldrb r0, [r4, #0xa]
-	strb r0, [r4, #0xc]
-	ldrb r0, [r4, #0xb]
-	strb r0, [r4, #0xd]
-	mov r0, #0x0
-	add r4, #0x24
-	strb r0, [r4, #0x0]
-_02002780:
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_02002786:
-	bl FUN_02002B18
-	cmp r0, #0x0
-	beq _020027B0
-	add r0, r4, #0x0
-	bl FUN_02002A00
-	ldrb r0, [r4, #0x9]
-	mov r1, #0x1
-	bl GetFontAttribute
-	ldrb r1, [r4, #0xf]
-	add r1, r1, r0
-	add r0, r4, #0x0
-	add r0, #0x27
-	strb r1, [r0, #0x0]
-	ldrb r0, [r4, #0xa]
-	strb r0, [r4, #0xc]
-	mov r0, #0x4
-	add r4, #0x24
-	strb r0, [r4, #0x0]
-_020027B0:
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_020027B6:
-	add r0, #0x27
-	ldrb r2, [r0, #0x0]
-	cmp r2, #0x0
-	beq _02002800
-	cmp r2, #0x4
-	ldrb r5, [r4, #0x12]
-	bge _020027D8
-	lsl r3, r5, #0x4
-	orr r3, r5
-	lsl r3, r3, #0x18
-	ldr r0, [r4, #0x4]
-	mov r1, #0x0
-	lsr r3, r3, #0x18
-	bl ScrollWindow
-	mov r1, #0x0
-	b _020027F2
-_020027D8:
-	lsl r3, r5, #0x4
-	orr r3, r5
-	lsl r3, r3, #0x18
-	ldr r0, [r4, #0x4]
-	mov r1, #0x0
-	mov r2, #0x4
-	lsr r3, r3, #0x18
-	bl ScrollWindow
-	add r0, r4, #0x0
-	add r0, #0x27
-	ldrb r0, [r0, #0x0]
-	sub r1, r0, #0x4
-_020027F2:
-	add r0, r4, #0x0
-	add r0, #0x27
-	strb r1, [r0, #0x0]
-	ldr r0, [r4, #0x4]
-	bl CopyWindowToVram
-	b _02002806
-_02002800:
-	mov r0, #0x0
-	add r4, #0x24
-	strb r0, [r4, #0x0]
-_02002806:
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_0200280C:
-	mov r0, #0x0
-	add r4, #0x24
-	strb r0, [r4, #0x0]
-	add sp, #0xc
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_02002818:
-	add r0, #0x26
-	ldrb r0, [r0, #0x0]
-	cmp r0, #0x0
-	beq _0200282C
-	add r0, r4, #0x0
-	add r0, #0x26
-	ldrb r0, [r0, #0x0]
-	add r4, #0x26
-	sub r0, r0, #0x1
-	b _02002830
-_0200282C:
-	mov r0, #0x0
-	add r4, #0x24
-_02002830:
-	add sp, #0xc
-	strb r0, [r4, #0x0]
-	mov r0, #0x3
-	pop {r3-r6, pc}
-_02002838:
-	mov r0, #0x1
-	add sp, #0xc
-	pop {r3-r6, pc}
-	.balign 4
-
-	thumb_func_start FUN_02002840
-FUN_02002840: ; 0x02002840
-	ldr r1, _02002848 ; =gTextFlags
-	strh r0, [r1, #0x2]
-	bx lr
-	nop
-_02002848: .word gTextFlags
-
-	thumb_func_start FUN_0200284C
-FUN_0200284C: ; 0x0200284C
-	ldr r1, _02002874 ; =gTextFlags
-	add r0, #0x1c
-	ldrb r1, [r1, #0x0]
-	lsl r1, r1, #0x1d
-	lsr r1, r1, #0x1f
-	beq _02002862
-	ldrb r2, [r0, #0x2]
-	mov r1, #0xff
-	bic r2, r1
-	strb r2, [r0, #0x2]
-	bx lr
-_02002862:
-	ldrb r2, [r0, #0x1]
-	mov r1, #0x60
-	bic r2, r1
-	strb r2, [r0, #0x1]
-	ldrb r2, [r0, #0x1]
-	mov r1, #0x1f
-	bic r2, r1
-	strb r2, [r0, #0x1]
-	bx lr
-	.balign 4
-_02002874: .word gTextFlags
-
-	thumb_func_start FUN_02002878
-FUN_02002878: ; 0x02002878
-	push {r4-r7, lr}
-	sub sp, #0x2c
-	add r5, r0, #0x0
-	ldr r0, _020029F8 ; =gTextFlags
-	add r4, r5, #0x0
-	ldrb r0, [r0, #0x0]
-	add r4, #0x1c
-	lsl r0, r0, #0x1d
-	lsr r0, r0, #0x1f
-	beq _0200288E
-	b _020029F4
-_0200288E:
-	ldrb r0, [r4, #0x1]
-	lsl r1, r0, #0x1b
-	lsr r2, r1, #0x1b
-	beq _020028AC
-	mov r1, #0x1f
-	add r2, #0xff
-	bic r0, r1
-	lsl r1, r2, #0x18
-	lsr r2, r1, #0x18
-	mov r1, #0x1f
-	and r1, r2
-	orr r0, r1
-	add sp, #0x2c
-	strb r0, [r4, #0x1]
-	pop {r4-r7, pc}
-_020028AC:
-	ldr r0, [r5, #0x4]
-	bl GetWindowBgId
-	str r0, [sp, #0x20]
-	ldr r0, [r5, #0x4]
-	bl GetWindowX
-	str r0, [sp, #0x24]
-	ldr r0, [r5, #0x4]
-	bl GetWindowY
-	str r0, [sp, #0x28]
-	ldr r0, [r5, #0x4]
-	bl GetWindowWidth
-	ldr r1, _020029F8 ; =gTextFlags
-	ldrh r6, [r1, #0x2]
-	ldr r1, [sp, #0x28]
-	add r7, r1, #0x2
-	ldr r1, [sp, #0x24]
-	add r2, r6, #0x0
-	add r0, r1, r0
-	str r0, [sp, #0x1c]
-	add r0, r0, #0x1
-	str r0, [sp, #0x18]
-	lsl r0, r7, #0x18
-	lsr r0, r0, #0x18
-	str r0, [sp, #0x0]
-	mov r0, #0x1
-	str r0, [sp, #0x4]
-	str r0, [sp, #0x8]
-	mov r0, #0x10
-	str r0, [sp, #0xc]
-	add r2, #0x12
-	mov r12, r2
-	ldrb r2, [r4, #0x1]
-	ldr r0, [r5, #0x4]
-	ldr r1, [sp, #0x20]
-	lsl r2, r2, #0x19
-	lsr r3, r2, #0x1e
-	ldr r2, _020029FC ; =UNK_020ECB50
-	ldr r0, [r0, #0x0]
-	ldrb r2, [r2, r3]
-	mov r3, r12
-	lsl r2, r2, #0x2
-	add r2, r3, r2
-	ldr r3, [sp, #0x18]
-	lsl r2, r2, #0x10
-	lsl r3, r3, #0x18
-	lsr r2, r2, #0x10
-	lsr r3, r3, #0x18
-	bl FillBgTilemapRect
-	ldr r0, [sp, #0x1c]
-	ldr r1, [sp, #0x20]
-	add r0, r0, #0x2
-	str r0, [sp, #0x10]
-	lsl r0, r7, #0x18
-	lsr r0, r0, #0x18
-	str r0, [sp, #0x0]
-	mov r0, #0x1
-	str r0, [sp, #0x4]
-	str r0, [sp, #0x8]
-	mov r0, #0x10
-	str r0, [sp, #0xc]
-	ldrb r2, [r4, #0x1]
-	add r7, r6, #0x0
-	ldr r0, [r5, #0x4]
-	lsl r2, r2, #0x19
-	lsr r3, r2, #0x1e
-	ldr r2, _020029FC ; =UNK_020ECB50
-	add r7, #0x13
-	ldrb r2, [r2, r3]
-	ldr r3, [sp, #0x10]
-	ldr r0, [r0, #0x0]
-	lsl r2, r2, #0x2
-	add r2, r7, r2
-	lsl r2, r2, #0x10
-	lsl r3, r3, #0x18
-	lsr r2, r2, #0x10
-	lsr r3, r3, #0x18
-	bl FillBgTilemapRect
-	ldr r0, [sp, #0x28]
-	add r7, r6, #0x0
-	add r0, r0, #0x3
-	str r0, [sp, #0x14]
-	lsl r0, r0, #0x18
-	lsr r0, r0, #0x18
-	str r0, [sp, #0x0]
-	mov r0, #0x1
-	str r0, [sp, #0x4]
-	str r0, [sp, #0x8]
-	mov r0, #0x10
-	str r0, [sp, #0xc]
-	ldrb r2, [r4, #0x1]
-	ldr r0, [r5, #0x4]
-	add r7, #0x14
-	lsl r2, r2, #0x19
-	lsr r3, r2, #0x1e
-	ldr r2, _020029FC ; =UNK_020ECB50
-	ldr r0, [r0, #0x0]
-	ldrb r2, [r2, r3]
-	ldr r3, [sp, #0x18]
-	ldr r1, [sp, #0x20]
-	lsl r2, r2, #0x2
-	add r2, r7, r2
-	lsl r2, r2, #0x10
-	lsl r3, r3, #0x18
-	lsr r2, r2, #0x10
-	lsr r3, r3, #0x18
-	bl FillBgTilemapRect
-	ldr r0, [sp, #0x14]
-	add r6, #0x15
-	lsl r0, r0, #0x18
-	lsr r0, r0, #0x18
-	str r0, [sp, #0x0]
-	mov r0, #0x1
-	str r0, [sp, #0x4]
-	str r0, [sp, #0x8]
-	mov r0, #0x10
-	str r0, [sp, #0xc]
-	ldrb r2, [r4, #0x1]
-	ldr r0, [r5, #0x4]
-	ldr r1, [sp, #0x20]
-	lsl r2, r2, #0x19
-	lsr r3, r2, #0x1e
-	ldr r2, _020029FC ; =UNK_020ECB50
-	ldr r0, [r0, #0x0]
-	ldrb r2, [r2, r3]
-	ldr r3, [sp, #0x10]
-	lsl r2, r2, #0x2
-	add r2, r6, r2
-	lsl r2, r2, #0x10
-	lsl r3, r3, #0x18
-	lsr r2, r2, #0x10
-	lsr r3, r3, #0x18
-	bl FillBgTilemapRect
-	ldr r0, [r5, #0x4]
-	ldr r1, [sp, #0x20]
-	ldr r0, [r0, #0x0]
-	bl BgCommitTilemapBufferToVram
-	ldrb r1, [r4, #0x1]
-	mov r0, #0x1f
-	bic r1, r0
-	mov r0, #0x8
-	orr r0, r1
-	strb r0, [r4, #0x1]
-	ldrb r2, [r4, #0x1]
-	mov r1, #0x60
-	add r0, r2, #0x0
-	bic r0, r1
-	lsl r1, r2, #0x19
-	lsr r1, r1, #0x1e
-	add r1, r1, #0x1
-	lsl r1, r1, #0x18
-	lsr r1, r1, #0x18
-	lsl r1, r1, #0x1e
-	lsr r1, r1, #0x19
-	orr r0, r1
-	strb r0, [r4, #0x1]
-_020029F4:
-	add sp, #0x2c
-	pop {r4-r7, pc}
-	.balign 4
-_020029F8: .word gTextFlags
-_020029FC: .word UNK_020ECB50
-
-	thumb_func_start FUN_02002A00
-FUN_02002A00: ; 0x02002A00
-	push {r3-r7, lr}
-	sub sp, #0x18
-	add r5, r0, #0x0
-	ldr r0, [r5, #0x4]
-	bl GetWindowBgId
-	str r0, [sp, #0x10]
-	ldr r0, [r5, #0x4]
-	bl GetWindowX
-	str r0, [sp, #0x14]
-	ldr r0, [r5, #0x4]
-	bl GetWindowY
-	add r6, r0, #0x0
-	ldr r0, [r5, #0x4]
-	bl GetWindowWidth
-	ldr r1, _02002A90 ; =gTextFlags
-	add r7, r6, #0x2
-	ldrh r4, [r1, #0x2]
-	ldr r1, [sp, #0x14]
-	add r6, r1, r0
-	lsl r0, r7, #0x18
-	lsr r0, r0, #0x18
-	str r0, [sp, #0x0]
-	mov r0, #0x1
-	str r0, [sp, #0x4]
-	mov r0, #0x2
-	str r0, [sp, #0x8]
-	mov r0, #0x10
-	str r0, [sp, #0xc]
-	ldr r0, [r5, #0x4]
-	add r2, r4, #0x0
-	add r2, #0xa
-	add r3, r6, #0x1
-	lsl r2, r2, #0x10
-	lsl r3, r3, #0x18
-	ldr r0, [r0, #0x0]
-	ldr r1, [sp, #0x10]
-	lsr r2, r2, #0x10
-	lsr r3, r3, #0x18
-	bl FillBgTilemapRect
-	lsl r0, r7, #0x18
-	lsr r0, r0, #0x18
-	str r0, [sp, #0x0]
-	mov r0, #0x1
-	str r0, [sp, #0x4]
-	mov r0, #0x2
-	str r0, [sp, #0x8]
-	mov r0, #0x10
-	str r0, [sp, #0xc]
-	ldr r0, [r5, #0x4]
-	add r4, #0xb
-	add r3, r6, #0x2
-	lsl r2, r4, #0x10
-	lsl r3, r3, #0x18
-	ldr r0, [r0, #0x0]
-	ldr r1, [sp, #0x10]
-	lsr r2, r2, #0x10
-	lsr r3, r3, #0x18
-	bl FillBgTilemapRect
-	ldr r0, [r5, #0x4]
-	ldr r1, [sp, #0x10]
-	ldr r0, [r0, #0x0]
-	bl BgCommitTilemapBufferToVram
-	add sp, #0x18
-	pop {r3-r7, pc}
-	nop
-_02002A90: .word gTextFlags
-
-	thumb_func_start FUN_02002A94
-FUN_02002A94: ; 0x02002A94
-	push {r3, lr}
-	ldr r0, _02002ACC ; =gMain
-	ldr r1, [r0, #0x48]
-	mov r0, #0x3
-	tst r0, r1
-	bne _02002AB2
-	ldr r0, _02002AD0 ; =gMain + 0x40
-	ldrh r0, [r0, #0x20]
-	cmp r0, #0x0
-	beq _02002AC6
-	ldr r0, _02002AD4 ; =gTextFlags
-	ldrb r0, [r0, #0x0]
-	lsl r0, r0, #0x1b
-	lsr r0, r0, #0x1f
-	beq _02002AC6
-_02002AB2:
-	ldr r0, _02002AD8 ; =0x000005DC
-	bl FUN_020054C8
-	ldr r1, _02002AD4 ; =gTextFlags
-	mov r0, #0x80
-	ldrb r2, [r1, #0x0]
-	orr r0, r2
-	strb r0, [r1, #0x0]
-	mov r0, #0x1
-	pop {r3, pc}
-_02002AC6:
-	mov r0, #0x0
-	pop {r3, pc}
-	nop
-_02002ACC: .word gMain
-_02002AD0: .word gMain + 0x40
-_02002AD4: .word gTextFlags
-_02002AD8: .word 0x000005DC
-
-	thumb_func_start FUN_02002ADC
-FUN_02002ADC: ; 0x02002ADC
-	push {r4, lr}
-	add r2, r0, #0x0
-	add r2, #0x1c
-	ldrb r1, [r2, #0x2]
-	add r4, r1, #0x0
-	cmp r4, #0x64
-	bne _02002AEE
-	mov r0, #0x1
-	pop {r4, pc}
-_02002AEE:
-	mov r3, #0xff
-	bic r1, r3
-	add r3, r4, #0x1
-	lsl r3, r3, #0x18
-	lsr r3, r3, #0x18
-	lsl r3, r3, #0x18
-	lsr r3, r3, #0x18
-	orr r1, r3
-	strb r1, [r2, #0x2]
-	ldr r1, _02002B14 ; =gTextFlags
-	ldrb r1, [r1, #0x0]
-	lsl r1, r1, #0x1a
-	lsr r1, r1, #0x1f
-	beq _02002B10
-	bl FUN_02002A94
-	pop {r4, pc}
-_02002B10:
-	mov r0, #0x0
-	pop {r4, pc}
-	.balign 4
-_02002B14: .word gTextFlags
-
-	thumb_func_start FUN_02002B18
-FUN_02002B18: ; 0x02002B18
-	push {r4, lr}
-	ldr r1, _02002B38 ; =gTextFlags
-	add r4, r0, #0x0
-	ldrb r1, [r1, #0x0]
-	lsl r1, r1, #0x1d
-	lsr r1, r1, #0x1f
-	beq _02002B2C
-	bl FUN_02002ADC
-	pop {r4, pc}
-_02002B2C:
-	bl FUN_02002878
-	add r0, r4, #0x0
-	bl FUN_02002A94
-	pop {r4, pc}
-	.balign 4
-_02002B38: .word gTextFlags
-
-	thumb_func_start FUN_02002B3C
-FUN_02002B3C: ; 0x02002B3C
-	push {r3, lr}
-	ldr r1, _02002B5C ; =gTextFlags
-	ldrb r1, [r1, #0x0]
-	lsl r1, r1, #0x1d
-	lsr r1, r1, #0x1f
-	beq _02002B52
-	bl FUN_02002ADC
-	lsl r0, r0, #0x18
-	lsr r0, r0, #0x18
-	pop {r3, pc}
-_02002B52:
-	bl FUN_02002A94
-	lsl r0, r0, #0x18
-	lsr r0, r0, #0x18
-	pop {r3, pc}
-	.balign 4
-_02002B5C: .word gTextFlags
-
-	thumb_func_start FUN_02002B60
-FUN_02002B60: ; 0x02002B60
-	ldr r2, _02002B78 ; =gTextFlags
-	mov r1, #0x1
-	ldrb r3, [r2, #0x0]
-	lsl r0, r0, #0x18
-	bic r3, r1
-	lsr r1, r0, #0x18
-	mov r0, #0x1
-	and r0, r1
-	orr r0, r3
-	strb r0, [r2, #0x0]
-	bx lr
-	nop
-_02002B78: .word gTextFlags
-
-	thumb_func_start FUN_02002B7C
-FUN_02002B7C: ; 0x02002B7C
-	push {r3-r4}
-	ldr r1, _02002BB4 ; =gTextFlags
-	mov r3, #0x4
-	ldrb r2, [r1, #0x0]
-	mov r4, #0x1
-	bic r2, r3
-	add r3, r0, #0x0
-	and r3, r4
-	lsl r3, r3, #0x18
-	lsr r3, r3, #0x18
-	lsl r3, r3, #0x1f
-	lsr r3, r3, #0x1d
-	orr r2, r3
-	asr r0, r0, #0x1
-	and r0, r4
-	strb r2, [r1, #0x0]
-	lsl r0, r0, #0x18
-	lsr r0, r0, #0x18
-	lsl r0, r0, #0x1f
-	ldrb r2, [r1, #0x0]
-	mov r3, #0x20
-	lsr r0, r0, #0x1a
-	bic r2, r3
-	orr r0, r2
-	strb r0, [r1, #0x0]
-	pop {r3-r4}
-	bx lr
-	nop
-_02002BB4: .word gTextFlags
-
-	thumb_func_start FUN_02002BB8
-FUN_02002BB8: ; 0x02002BB8
-	ldr r2, _02002BD0 ; =gTextFlags
-	lsl r0, r0, #0x18
-	ldrb r3, [r2, #0x0]
-	lsr r0, r0, #0x18
-	mov r1, #0x10
-	lsl r0, r0, #0x1f
-	bic r3, r1
-	lsr r0, r0, #0x1b
-	orr r0, r3
-	strb r0, [r2, #0x0]
-	bx lr
-	nop
-_02002BD0: .word gTextFlags
-
-	thumb_func_start FUN_02002BD4
-FUN_02002BD4: ; 0x02002BD4
-	ldr r0, _02002BE0 ; =gTextFlags
-	ldrb r0, [r0, #0x0]
-	lsl r0, r0, #0x19
-	lsr r0, r0, #0x1f
-	bx lr
-	nop
-_02002BE0: .word gTextFlags
-
-	thumb_func_start FUN_02002BE4
-FUN_02002BE4: ; 0x02002BE4
-	ldr r1, _02002BF0 ; =gTextFlags
-	mov r0, #0x40
-	ldrb r2, [r1, #0x0]
-	bic r2, r0
-	strb r2, [r1, #0x0]
-	bx lr
-	.balign 4
-_02002BF0: .word gTextFlags
-
-	thumb_func_start FUN_02002BF4
-FUN_02002BF4: ; 0x02002BF4
-	ldr r0, _02002C00 ; =gTextFlags
-	ldrb r0, [r0, #0x0]
-	lsl r0, r0, #0x18
-	lsr r0, r0, #0x1f
-	bx lr
-	nop
-_02002C00: .word gTextFlags
-
-	thumb_func_start FUN_02002C04
-FUN_02002C04: ; 0x02002C04
-	ldr r1, _02002C10 ; =gTextFlags
-	mov r0, #0x80
-	ldrb r2, [r1, #0x0]
-	bic r2, r0
-	strb r2, [r1, #0x0]
-	bx lr
-	.balign 4
-_02002C10: .word gTextFlags
diff --git a/arm9/src/unk_020023C0.c b/arm9/src/unk_020023C0.c
new file mode 100644
index 00000000..4c317c70
--- /dev/null
+++ b/arm9/src/unk_020023C0.c
@@ -0,0 +1,525 @@
+#include "global.h"
+#include "game_init.h"
+#include "string_util.h"
+#include "text.h"
+#include "unk_0201B8B8.h"
+
+u16 unk00;
+
+typedef struct
+{
+    u8 canABSpeedUpPrint : 1;
+    u8 useAlternateDownArrow : 1;
+    u8 autoScroll : 1;
+    u8 forceMidTextSpeed : 1;
+    u8 unk0_4 : 1;
+    u8 unk0_5 : 1;
+    u8 unk0_6 : 1;
+    u8 unk0_7 : 1;
+    u8 unk1;
+} TextFlags;
+
+TextFlags gTextFlags;
+
+const u8 UNK_020ECB50[] = { 0x00, 0x01, 0x02, 0x01 };
+
+struct TextPrinterSubStruct
+{
+    u8 glyphId : 4; // 0x14
+    u8 hasPrintBeenSpedUp : 1;
+    u8 unk : 3;
+    u8 downArrowDelay : 5;
+    u8 downArrowYPosIdx : 2;
+    u8 hasGlyphIdBeenSet : 1;
+    u8 autoScrollDelay : 8;
+};
+
+extern void FUN_0200284C(struct TextPrinter *printer);
+extern const char *FUN_02002D94(u8, u16);
+extern u8 FUN_02002B3C(struct TextPrinter *printer);
+extern void FUN_02002A00(struct TextPrinter *printer);
+extern u32 FUN_02002B18(struct TextPrinter *printer);
+
+THUMB_FUNC u32 RenderText(struct TextPrinter *printer)
+{
+
+    struct TextPrinterSubStruct *subStruct =
+        (struct TextPrinterSubStruct *)(&printer->subStructFields);
+    u16 currentChar;
+    u16 field;
+
+    switch (printer->state)
+    {
+    case 0:
+        if (((gMain.heldKeys & 3) != 0 && subStruct->hasPrintBeenSpedUp != 0) ||
+            (gMain.touchHeld != 0 && gTextFlags.unk0_4 != 0))
+        {
+            printer->delayCounter = 0;
+            if (printer->textSpeedBottom != 0)
+            {
+                gTextFlags.unk0_6 = 1;
+            }
+        }
+
+        if (printer->delayCounter && printer->textSpeedBottom)
+        {
+            printer->delayCounter--;
+
+            if (gTextFlags.canABSpeedUpPrint != 0)
+            {
+                if ((gMain.newKeys & 3) || (gMain.touchNew != 0 && gTextFlags.unk0_4))
+                {
+                    subStruct->hasPrintBeenSpedUp = 1;
+                    printer->delayCounter = 0;
+                }
+            }
+
+            return 3;
+        }
+
+        printer->delayCounter = printer->textSpeedBottom;
+        currentChar = *printer->printerTemplate.currentChar.raw;
+        printer->printerTemplate.currentChar.raw++;
+
+        GF_ASSERT(currentChar != 0xF100);
+
+        switch (currentChar)
+        {
+        case EOS:
+            return 1;
+        case 0xE000:
+            printer->printerTemplate.currentX = printer->printerTemplate.x;
+            s32 fontAttribute = GetFontAttribute(printer->printerTemplate.fontId, 1);
+
+            printer->printerTemplate.currentY +=
+                printer->printerTemplate.lineSpacing + fontAttribute;
+
+            return 2;
+
+        case 0xF0FD:
+            printer->printerTemplate.currentChar.raw++;
+            return 2;
+        case 0xFFFE:
+            printer->printerTemplate.currentChar.raw--;
+            switch ((u16)MsgArray_GetControlCode(printer->printerTemplate.currentChar.raw))
+            {
+            case 0xFF00:
+                u16 field =
+                    MsgArray_ControlCodeGetField(printer->printerTemplate.currentChar.raw, 0);
+                if (field == 0xff)
+                {
+                    u8 r2 = printer->printerTemplate.unk4;
+                    printer->printerTemplate.unk4 =
+                        (printer->printerTemplate.fgColor - 1) / 2 + 0x64;
+
+                    if (!(r2 >= 0x64 && r2 < 0x6b))
+                    {
+                        break;
+                    }
+
+                    field = r2 - 0x64;
+                }
+                else
+                {
+                    if (field >= 0x64)
+                    {
+                        printer->printerTemplate.unk4 = field;
+                        break;
+                    }
+                }
+
+                printer->printerTemplate.fgColor = field * 2 + 1;
+                printer->printerTemplate.shadowColor = field * 2 + 2;
+
+                GenerateFontHalfRowLookupTable(printer->printerTemplate.fgColor,
+                    printer->printerTemplate.bgColor,
+                    printer->printerTemplate.shadowColor);
+
+                break;
+
+            case 0x200:
+                field = MsgArray_ControlCodeGetField(printer->printerTemplate.currentChar.raw, 0);
+
+                FUN_0201C1EC(printer,
+                    printer->printerTemplate.currentX,
+                    printer->printerTemplate.currentY,
+                    field);
+                if (printer->textSpeedTop != 0)
+                {
+                    CopyWindowToVram(printer->printerTemplate.window);
+                }
+
+                break;
+            case 0x201:
+                printer->delayCounter =
+                    MsgArray_ControlCodeGetField(printer->printerTemplate.currentChar.raw, 0);
+                printer->printerTemplate.currentChar.raw =
+                    MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+                printer->state = 6;
+
+                return 3;
+            case 0x202:
+                printer->Unk2A =
+                    MsgArray_ControlCodeGetField(printer->printerTemplate.currentChar.raw, 0);
+                printer->printerTemplate.currentChar.raw =
+                    MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+
+                return 3;
+            case 0x203:
+                printer->printerTemplate.currentX =
+                    MsgArray_ControlCodeGetField(printer->printerTemplate.currentChar.raw, 0);
+                break;
+            case 0x204:
+                printer->printerTemplate.currentY =
+                    MsgArray_ControlCodeGetField(printer->printerTemplate.currentChar.raw, 0);
+                break;
+
+            case 0xFF01:
+                field = MsgArray_ControlCodeGetField(printer->printerTemplate.currentChar.raw, 0);
+
+                switch (field)
+                {
+                case 100:
+                    printer->printerTemplate.unk2 = 0;
+                    printer->printerTemplate.unk3 = 0;
+                    break;
+                case 200:
+                    printer->printerTemplate.unk2 = 0xFFFC;
+                    printer->printerTemplate.unk3 = 0;
+                    break;
+                }
+
+                break;
+
+            case 0xFE06:
+                field = MsgArray_ControlCodeGetField(printer->printerTemplate.currentChar.raw, 0);
+                if (field != 0xFE00)
+                {
+                    if (field != 0xFE01)
+                    {
+                        break;
+                    }
+
+                    printer->state = 2;
+                    FUN_0200284C(printer);
+                    printer->printerTemplate.currentChar.raw =
+                        MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+
+                    return 3;
+                }
+
+                printer->state = 3;
+                FUN_0200284C(printer);
+                printer->printerTemplate.currentChar.raw =
+                    MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+
+                return 3;
+            }
+
+            printer->printerTemplate.currentChar.raw =
+                MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+            return 2;
+
+        case 0x25BC:
+            printer->state = 2;
+            FUN_0200284C(printer);
+            return 3;
+
+        case 0x25BD:
+            printer->state = 3;
+            FUN_0200284C(printer);
+            return 3;
+        }
+
+        const char *r5 = FUN_02002D94(subStruct->glyphId, currentChar);
+        CopyGlyphToWindow(printer->printerTemplate.window,
+            r5,
+            r5[0x80],
+            r5[0x81],
+            printer->printerTemplate.currentX,
+            printer->printerTemplate.currentY,
+            printer->printerTemplate.unk2);
+
+        printer->printerTemplate.currentX += r5[0x80] + printer->printerTemplate.letterSpacing;
+
+        return 0;
+    case 1:
+        if (FUN_02002B3C(printer) != 0)
+        {
+            FUN_02002A00(printer);
+
+            printer->state = 0;
+        }
+
+        return 3;
+    case 2:
+        if (FUN_02002B18(printer) != 0)
+        {
+            FUN_02002A00(printer);
+            FillWindowPixelBuffer(
+                printer->printerTemplate.window, printer->printerTemplate.bgColor);
+            printer->printerTemplate.currentX = printer->printerTemplate.x;
+            printer->printerTemplate.currentY = printer->printerTemplate.y;
+            printer->state = 0;
+        }
+
+        return 3;
+    case 3:
+        if (FUN_02002B18(printer) != 0)
+        {
+            FUN_02002A00(printer);
+            printer->scrollDistance = GetFontAttribute(printer->printerTemplate.fontId, 1) +
+                                      printer->printerTemplate.lineSpacing;
+            printer->printerTemplate.currentX = printer->printerTemplate.x;
+            printer->state = 4;
+        }
+
+        return 3;
+    case 4:
+        if (printer->scrollDistance != 0)
+        {
+            printer->printerTemplate.bgColor;
+            if ((int)printer->scrollDistance < 4)
+            {
+                ScrollWindow(printer->printerTemplate.window,
+                    0,
+                    printer->scrollDistance,
+                    (printer->printerTemplate.bgColor | (printer->printerTemplate.bgColor << 4)));
+                printer->scrollDistance = 0;
+            }
+            else
+            {
+                ScrollWindow(printer->printerTemplate.window,
+                    0,
+                    4,
+                    (printer->printerTemplate.bgColor | (printer->printerTemplate.bgColor << 4)));
+
+                printer->scrollDistance -= 4;
+            }
+
+            CopyWindowToVram(printer->printerTemplate.window);
+        }
+        else
+        {
+            printer->state = 0;
+        }
+
+        return 3;
+    case 5:
+        printer->state = 0;
+        return 3;
+    case 6:
+        if (printer->delayCounter != 0)
+        {
+            printer->delayCounter--;
+        }
+        else
+        {
+            printer->state = 0;
+        }
+
+        return 3;
+    }
+
+    return 1;
+}
+
+THUMB_FUNC void FUN_02002840(u16 flag)
+{
+    unk00 = flag;
+}
+
+THUMB_FUNC void FUN_0200284C(struct TextPrinter *printer)
+{
+    struct TextPrinterSubStruct *subStruct =
+        (struct TextPrinterSubStruct *)(&printer->subStructFields);
+
+    if (gTextFlags.autoScroll)
+    {
+        subStruct->autoScrollDelay = 0;
+        return;
+    }
+
+    subStruct->downArrowYPosIdx = 0;
+    subStruct->downArrowDelay = 0;
+}
+
+THUMB_FUNC void FUN_02002878(struct TextPrinter *printer)
+{
+    struct TextPrinterSubStruct *subStruct =
+        (struct TextPrinterSubStruct *)(&printer->subStructFields);
+
+    if (gTextFlags.autoScroll)
+    {
+        return;
+    }
+
+    if (subStruct->downArrowDelay != 0)
+    {
+        subStruct->downArrowDelay--;
+        return;
+    }
+
+    u8 bg_id = GetWindowBgId(printer->printerTemplate.window);
+    u8 x = GetWindowX(printer->printerTemplate.window);
+    u8 y = GetWindowY(printer->printerTemplate.window);
+    u8 width = GetWindowWidth(printer->printerTemplate.window);
+    u16 r6 = unk00;
+
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        r6 + 18 + UNK_020ECB50[subStruct->downArrowYPosIdx] * 4,
+        x + width + 1,
+        y + 2,
+        1,
+        1,
+        0x10);
+
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        r6 + 19 + UNK_020ECB50[subStruct->downArrowYPosIdx] * 4,
+        x + width + 2,
+        y + 2,
+        1,
+        1,
+        0x10);
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        r6 + 20 + UNK_020ECB50[subStruct->downArrowYPosIdx] * 4,
+        x + width + 1,
+        y + 3,
+        1,
+        1,
+        0x10);
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        r6 + 21 + UNK_020ECB50[subStruct->downArrowYPosIdx] * 4,
+        x + width + 2,
+        y + 3,
+        1,
+        1,
+        0x10);
+
+    BgCommitTilemapBufferToVram(printer->printerTemplate.window->bgConfig, bg_id);
+    subStruct->downArrowDelay = 8;
+    subStruct->downArrowYPosIdx++;
+}
+
+THUMB_FUNC void FUN_02002A00(struct TextPrinter *printer)
+{
+    u8 bg_id = GetWindowBgId(printer->printerTemplate.window);
+    u8 x = GetWindowX(printer->printerTemplate.window);
+    u8 y = GetWindowY(printer->printerTemplate.window);
+    u8 width = GetWindowWidth(printer->printerTemplate.window);
+    u16 r6 = unk00;
+
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        r6 + 10,
+        x + width + 1,
+        y + 2,
+        1,
+        2,
+        0x10);
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        r6 + 11,
+        x + width + 2,
+        y + 2,
+        1,
+        2,
+        0x10);
+    BgCommitTilemapBufferToVram(printer->printerTemplate.window->bgConfig, bg_id);
+}
+
+extern void FUN_020054C8(u16);
+
+THUMB_FUNC u32 FUN_02002A94(struct TextPrinter *printer)
+{
+    if ((gMain.newKeys & 3) != 0 || (gMain.touchNew != 0 && gTextFlags.unk0_4 != 0))
+    {
+        FUN_020054C8(0x5DC);
+
+        gTextFlags.unk0_7 = 1;
+
+        return 1;
+    }
+
+    return 0;
+}
+
+THUMB_FUNC u32 FUN_02002ADC(struct TextPrinter *printer)
+{
+    struct TextPrinterSubStruct *subStruct =
+        (struct TextPrinterSubStruct *)(&printer->subStructFields);
+
+    if (subStruct->autoScrollDelay == 100)
+    {
+        return 1;
+    }
+
+    subStruct->autoScrollDelay++;
+    if (gTextFlags.unk0_5)
+    {
+        return FUN_02002A94(printer);
+    }
+
+    return 0;
+}
+
+THUMB_FUNC u32 FUN_02002B18(struct TextPrinter *printer)
+{
+    if (gTextFlags.autoScroll)
+    {
+        return FUN_02002ADC(printer);
+    }
+    FUN_02002878(printer);
+
+    return FUN_02002A94(printer);
+}
+
+THUMB_FUNC u8 FUN_02002B3C(struct TextPrinter *printer)
+{
+    if (gTextFlags.autoScroll)
+    {
+        return FUN_02002ADC(printer);
+    }
+
+    return FUN_02002A94(printer);
+}
+
+THUMB_FUNC void FUN_02002B60(u32 param0)
+{
+    gTextFlags.canABSpeedUpPrint = param0;
+}
+
+THUMB_FUNC void FUN_02002B7C(s32 param0)
+{
+    gTextFlags.autoScroll = param0 & 1;
+    gTextFlags.unk0_5 = (param0 >> 1) & 1;
+}
+
+THUMB_FUNC void FUN_02002BB8(u32 param0)
+{
+    gTextFlags.unk0_4 = param0;
+}
+
+THUMB_FUNC u8 FUN_02002BD4()
+{
+    return gTextFlags.unk0_6;
+}
+
+THUMB_FUNC void FUN_02002BE4()
+{
+    gTextFlags.unk0_6 = 0;
+}
+
+THUMB_FUNC u8 FUN_02002BF4()
+{
+    return gTextFlags.unk0_7;
+}
+
+THUMB_FUNC void FUN_02002C04()
+{
+    gTextFlags.unk0_7 = 0;
+}
diff --git a/arm9/src/unk_0201B8B8.c b/arm9/src/unk_0201B8B8.c
index c7f77f87..b8e978f2 100644
--- a/arm9/src/unk_0201B8B8.c
+++ b/arm9/src/unk_0201B8B8.c
@@ -14,7 +14,7 @@ const u16 * MsgArray_SkipControlCode(const u16 * r4)
     return r4;
 }
 
-u16 MsgArray_GetControlCode(const u16 * r4)
+u32 MsgArray_GetControlCode(const u16 * r4)
 {
     GF_ASSERT(*r4 == 0xFFFE);
     return r4[1];
@@ -25,7 +25,7 @@ BOOL MsgArray_ControlCodeIsStrVar(const u16 * r4)
     return (MsgArray_GetControlCode(r4) & 0xFF00) == 0x100;
 }
 
-u16 MsgArray_ControlCodeGetField(const u16 * r5, u32 r4)
+u32 MsgArray_ControlCodeGetField(const u16 * r5, u32 r4)
 {
     GF_ASSERT(*r5 == 0xFFFE);
     GF_ASSERT(r4 < r5[2]);
diff --git a/include/unk_0201B8B8.h b/include/unk_0201B8B8.h
index 13bc217b..26dd8017 100644
--- a/include/unk_0201B8B8.h
+++ b/include/unk_0201B8B8.h
@@ -2,8 +2,8 @@
 #define POKEDIAMOND_UNK_0201B8B88_H
 
 const u16 * MsgArray_SkipControlCode(const u16 * r4);
-u16 MsgArray_GetControlCode(const u16 * r4);
+u32 MsgArray_GetControlCode(const u16 * r4);
 BOOL MsgArray_ControlCodeIsStrVar(const u16 * r4);
-u16 MsgArray_ControlCodeGetField(const u16 * r5, u32 r4);
+u32 MsgArray_ControlCodeGetField(const u16 * r5, u32 r4);
 
 #endif //POKEDIAMOND_UNK_0201B8B88_H