Merge pull request #82 from PikalaxALT/mail

Decompile functions for reading mail

13 files changed, 736 insertions, 1072 deletions

diff --git a/asm/mail.s b/asm/mail.s
deleted file mode 100644
index 5f76a5ef0..000000000
--- a/asm/mail.s
+++ /dev/null
@@ -1,1035 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sub_8121478
-sub_8121478: @ 8121478
-	push {r4-r7,lr}
-	sub sp, 0x4
-	adds r5, r0, 0
-	adds r7, r1, 0
-	lsls r2, 24
-	lsrs r6, r2, 24
-	ldr r4, =gUnknown_0203A134
-	ldr r0, =0x0000222c
-	bl AllocZeroed
-	str r0, [r4]
-	ldr r1, =0x0000021d
-	adds r0, r1
-	movs r1, 0x2
-	strb r1, [r0]
-	ldr r0, [r4]
-	ldr r2, =0x0000021e
-	adds r0, r2
-	movs r1, 0x1
-	strb r1, [r0]
-	ldr r4, [r4]
-	movs r3, 0x88
-	lsls r3, 2
-	adds r1, r4, r3
-	ldr r0, =CopyEasyChatWord
-	str r0, [r1]
-	movs r0, 0x89
-	lsls r0, 2
-	adds r1, r4, r0
-	ldr r0, =ConvertEasyChatWordsToString
-	str r0, [r1]
-	ldrh r1, [r5, 0x20]
-	adds r0, r1, 0
-	subs r0, 0x79
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0xB
-	bhi _081214E8
-	subs r1, 0x79
-	subs r2, 0x4
-	adds r0, r4, r2
-	strb r1, [r0]
-	b _081214F2
-	.pool
-_081214E8:
-	ldr r3, =0x0000021a
-	adds r1, r4, r3
-	movs r0, 0
-	strb r0, [r1]
-	movs r6, 0
-_081214F2:
-	ldr r0, =gUnknown_0203A134
-	ldr r1, [r0]
-	ldr r2, =0x0000021e
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _08121504
-	cmp r0, 0x1
-	beq _0812152C
-_08121504:
-	movs r3, 0x8A
-	lsls r3, 2
-	adds r2, r1, r3
-	subs r3, 0xE
-	adds r0, r1, r3
-	ldrb r1, [r0]
-	lsls r0, r1, 1
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, =gUnknown_0859F3B4
-	b _08121540
-	.pool
-_0812152C:
-	movs r0, 0x8A
-	lsls r0, 2
-	adds r2, r1, r0
-	ldr r3, =0x0000021a
-	adds r0, r1, r3
-	ldrb r1, [r0]
-	lsls r0, r1, 1
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, =gUnknown_0859F458
-_08121540:
-	adds r0, r1
-	str r0, [r2]
-	ldrh r0, [r5, 0x1E]
-	mov r1, sp
-	bl sub_80D45E8
-	lsls r0, 16
-	ldr r1, =0xffff0000
-	adds r0, r1
-	movs r1, 0xCD
-	lsls r1, 17
-	cmp r0, r1
-	bhi _081215AC
-	ldr r1, =gUnknown_0203A134
-	ldr r2, [r1]
-	ldr r3, =0x0000021a
-	adds r0, r2, r3
-	ldrb r0, [r0]
-	adds r3, r1, 0
-	cmp r0, 0x6
-	beq _0812158C
-	cmp r0, 0x9
-	beq _0812159C
-	ldr r0, =0x0000021b
-	adds r1, r2, r0
-	movs r0, 0
-	strb r0, [r1]
-	b _081215BA
-	.pool
-_0812158C:
-	ldr r0, =0x0000021b
-	adds r1, r2, r0
-	movs r0, 0x1
-	strb r0, [r1]
-	b _081215BA
-	.pool
-_0812159C:
-	ldr r0, =0x0000021b
-	adds r1, r2, r0
-	movs r0, 0x2
-	strb r0, [r1]
-	b _081215BA
-	.pool
-_081215AC:
-	ldr r0, =gUnknown_0203A134
-	ldr r1, [r0]
-	ldr r2, =0x0000021b
-	adds r1, r2
-	movs r2, 0
-	strb r2, [r1]
-	adds r3, r0, 0
-_081215BA:
-	ldr r1, [r3]
-	movs r3, 0x85
-	lsls r3, 2
-	adds r0, r1, r3
-	str r5, [r0]
-	movs r2, 0x83
-	lsls r2, 2
-	adds r0, r1, r2
-	str r7, [r0]
-	adds r3, 0x4
-	adds r0, r1, r3
-	strb r6, [r0]
-	ldr r0, =sub_81219F0
-	bl SetMainCallback2
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8121478
-
-	thumb_func_start sub_81215EC
-sub_81215EC: @ 81215EC
-	push {r4-r6,lr}
-	sub sp, 0xC
-	ldr r0, =gMain
-	movs r1, 0x87
-	lsls r1, 3
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0x12
-	bls _08121600
-	b _081219E2
-_08121600:
-	lsls r0, 2
-	ldr r1, =_08121614
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_08121614:
-	.4byte _08121660
-	.4byte _0812166E
-	.4byte _08121688
-	.4byte _0812168E
-	.4byte _08121694
-	.4byte _0812169A
-	.4byte _081216F4
-	.4byte _08121730
-	.4byte _08121740
-	.4byte _08121774
-	.4byte _08121782
-	.4byte _081217D8
-	.4byte _081217EC
-	.4byte _081218B0
-	.4byte _081218CC
-	.4byte _081218EC
-	.4byte _081218F6
-	.4byte _08121910
-	.4byte _08121980
-_08121660:
-	movs r0, 0
-	bl SetVBlankCallback
-	bl remove_some_task
-	movs r0, 0
-	b _081216EC
-_0812166E:
-	add r1, sp, 0x8
-	movs r0, 0
-	strh r0, [r1]
-	movs r1, 0xE0
-	lsls r1, 19
-	ldr r2, =0x01000200
-	add r0, sp, 0x8
-	bl CpuSet
-	b _081219D4
-	.pool
-_08121688:
-	bl ResetPaletteFade
-	b _081219D4
-_0812168E:
-	bl ResetTasks
-	b _081219D4
-_08121694:
-	bl ResetSpriteData
-	b _081219D4
-_0812169A:
-	bl FreeAllSpritePalettes
-	bl reset_temp_tile_data_buffers
-	movs r0, 0x10
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x12
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x14
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x16
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x1A
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x18
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x1C
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x1E
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x50
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x52
-_081216EC:
-	movs r1, 0
-	bl SetGpuReg
-	b _081219D4
-_081216F4:
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, =gUnknown_0859F290
-	movs r0, 0
-	movs r2, 0x3
-	bl InitBgsFromTemplates
-	ldr r4, =gUnknown_0203A134
-	ldr r1, [r4]
-	movs r2, 0x8B
-	lsls r2, 2
-	adds r1, r2
-	movs r0, 0x1
-	bl SetBgTilemapBuffer
-	ldr r1, [r4]
-	ldr r0, =0x0000122c
-	adds r1, r0
-	movs r0, 0x2
-	bl SetBgTilemapBuffer
-	b _081219D4
-	.pool
-_08121730:
-	ldr r0, =gUnknown_0859F29C
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	b _081219D4
-	.pool
-_08121740:
-	ldr r2, =gUnknown_0859F2B8
-	ldr r0, =gUnknown_0203A134
-	ldr r0, [r0]
-	ldr r1, =0x0000021a
-	adds r0, r1
-	ldrb r1, [r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 2
-	adds r2, 0x4
-	adds r0, r2
-	ldr r1, [r0]
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-	b _081219D4
-	.pool
-_08121774:
-	bl free_temp_tile_data_buffers_if_possible
-	lsls r0, 24
-	cmp r0, 0
-	bne _08121780
-	b _081219D4
-_08121780:
-	b _081219E2
-_08121782:
-	movs r5, 0x1E
-	str r5, [sp]
-	movs r4, 0x14
-	str r4, [sp, 0x4]
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	str r5, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x2
-	movs r1, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	ldr r2, =gUnknown_0859F2B8
-	ldr r0, =gUnknown_0203A134
-	ldr r0, [r0]
-	ldr r1, =0x0000021a
-	adds r0, r1
-	ldrb r1, [r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 2
-	adds r2, 0x8
-	adds r0, r2
-	ldr r1, [r0]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl CopyToBgTilemapBuffer
-	b _081219D4
-	.pool
-_081217D8:
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x2
-	bl CopyBgTilemapBufferToVram
-	b _081219D4
-_081217EC:
-	bl sub_8098C64
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r6, =gPlttBufferUnfaded
-	ldr r4, =gUnknown_0859F2B8
-	ldr r0, =gUnknown_0203A134
-	ldr r3, [r0]
-	ldr r2, =0x0000021a
-	adds r3, r2
-	ldrb r1, [r3]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	ldrh r1, [r0, 0x10]
-	subs r2, 0x26
-	adds r0, r6, r2
-	strh r1, [r0]
-	ldr r5, =gPlttBufferFaded
-	ldrb r1, [r3]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	ldrh r0, [r0, 0x10]
-	adds r2, r5, r2
-	strh r0, [r2]
-	ldrb r1, [r3]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	ldrh r1, [r0, 0x12]
-	movs r2, 0xFB
-	lsls r2, 1
-	adds r0, r6, r2
-	strh r1, [r0]
-	ldrb r1, [r3]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	ldrh r0, [r0, 0x12]
-	adds r2, r5, r2
-	strh r0, [r2]
-	ldrb r1, [r3]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	ldr r0, [r0]
-	movs r1, 0
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r1, =gUnknown_0859F2B0
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	ldrb r0, [r2, 0x8]
-	lsls r0, 2
-	adds r0, r1
-	ldrh r0, [r0]
-	strh r0, [r6, 0x14]
-	ldrb r0, [r2, 0x8]
-	lsls r0, 2
-	adds r0, r1
-	ldrh r0, [r0]
-	strh r0, [r5, 0x14]
-	ldrb r0, [r2, 0x8]
-	lsls r0, 2
-	adds r1, 0x2
-	adds r0, r1
-	ldrh r0, [r0]
-	strh r0, [r6, 0x16]
-	ldrb r0, [r2, 0x8]
-	lsls r0, 2
-	adds r0, r1
-	ldrh r0, [r0]
-	strh r0, [r5, 0x16]
-	b _081219D4
-	.pool
-_081218B0:
-	ldr r0, =gUnknown_0203A134
-	ldr r0, [r0]
-	movs r1, 0x86
-	lsls r1, 2
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _081218C2
-	b _081219D4
-_081218C2:
-	bl sub_8121A1C
-	b _081219D4
-	.pool
-_081218CC:
-	ldr r0, =gUnknown_0203A134
-	ldr r0, [r0]
-	movs r2, 0x86
-	lsls r2, 2
-	adds r0, r2
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _081218DE
-	b _081219D4
-_081218DE:
-	bl sub_8121B1C
-	bl RunTextPrinters
-	b _081219D4
-	.pool
-_081218EC:
-	bl sub_8087598
-	cmp r0, 0x1
-	bne _081219D4
-	b _081219E2
-_081218F6:
-	ldr r0, =sub_8121C50
-	bl SetVBlankCallback
-	ldr r2, =gPaletteFade
-	ldrb r0, [r2, 0x8]
-	movs r1, 0x80
-	orrs r0, r1
-	strb r0, [r2, 0x8]
-	b _081219D4
-	.pool
-_08121910:
-	ldr r5, =gUnknown_0203A134
-	ldr r0, [r5]
-	movs r1, 0x85
-	lsls r1, 2
-	adds r0, r1
-	ldr r0, [r0]
-	ldrh r0, [r0, 0x1E]
-	bl sub_80D2E84
-	lsls r0, 16
-	lsrs r4, r0, 16
-	ldr r0, [r5]
-	ldr r2, =0x0000021b
-	adds r0, r2
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _08121940
-	cmp r0, 0x2
-	beq _08121958
-	b _081219D4
-	.pool
-_08121940:
-	adds r0, r4, 0
-	bl sub_80D2F68
-	ldr r1, =SpriteCallbackDummy
-	movs r0, 0
-	str r0, [sp]
-	str r0, [sp, 0x4]
-	adds r0, r4, 0
-	movs r2, 0x60
-	b _0812196A
-	.pool
-_08121958:
-	adds r0, r4, 0
-	bl sub_80D2F68
-	ldr r1, =SpriteCallbackDummy
-	movs r0, 0
-	str r0, [sp]
-	str r0, [sp, 0x4]
-	adds r0, r4, 0
-	movs r2, 0x28
-_0812196A:
-	movs r3, 0x80
-	bl sub_80D2D78
-	ldr r1, [r5]
-	movs r2, 0x87
-	lsls r2, 2
-	adds r1, r2
-	strb r0, [r1]
-	b _081219D4
-	.pool
-_08121980:
-	movs r1, 0x82
-	lsls r1, 5
-	movs r0, 0
-	bl SetGpuReg
-	movs r0, 0
-	bl ShowBg
-	movs r0, 0x1
-	bl ShowBg
-	movs r0, 0x2
-	bl ShowBg
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	ldr r2, =gPaletteFade
-	ldrb r1, [r2, 0x8]
-	movs r0, 0x7F
-	ands r0, r1
-	strb r0, [r2, 0x8]
-	ldr r0, =gUnknown_0203A134
-	ldr r0, [r0]
-	movs r1, 0x84
-	lsls r1, 2
-	adds r0, r1
-	ldr r1, =sub_8121C98
-	str r1, [r0]
-	movs r0, 0x1
-	b _081219E4
-	.pool
-_081219D4:
-	ldr r1, =gMain
-	movs r2, 0x87
-	lsls r2, 3
-	adds r1, r2
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-_081219E2:
-	movs r0, 0
-_081219E4:
-	add sp, 0xC
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_81215EC
-
-	thumb_func_start sub_81219F0
-sub_81219F0: @ 81219F0
-	push {lr}
-_081219F2:
-	bl sub_81215EC
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _08121A0C
-	ldr r0, =sub_8121C64
-	bl SetMainCallback2
-	b _08121A18
-	.pool
-_08121A0C:
-	bl sub_81221AC
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _081219F2
-_08121A18:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_81219F0
-
-	thumb_func_start sub_8121A1C
-sub_8121A1C: @ 8121A1C
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	movs r6, 0
-	movs r5, 0
-	ldr r2, =gUnknown_0203A134
-	ldr r0, [r2]
-	movs r1, 0x8A
-	lsls r1, 2
-	adds r0, r1
-	ldr r0, [r0]
-	ldrb r0, [r0]
-	cmp r5, r0
-	bcs _08121A8A
-	mov r8, r2
-	adds r7, r1, 0
-_08121A3C:
-	lsls r0, r5, 6
-	mov r1, r8
-	ldr r2, [r1]
-	adds r0, r2, r0
-	movs r3, 0x85
-	lsls r3, 2
-	adds r1, r2, r3
-	lsls r3, r6, 1
-	ldr r1, [r1]
-	adds r1, r3
-	adds r2, r7
-	ldr r2, [r2]
-	ldr r2, [r2, 0x8]
-	lsls r4, r5, 2
-	adds r2, r4, r2
-	ldr r2, [r2]
-	lsls r2, 30
-	lsrs r2, 30
-	movs r3, 0x1
-	bl ConvertEasyChatWordsToString
-	mov r1, r8
-	ldr r0, [r1]
-	adds r0, r7
-	ldr r1, [r0]
-	ldr r0, [r1, 0x8]
-	adds r4, r0
-	ldr r0, [r4]
-	lsls r0, 30
-	lsrs r0, 30
-	adds r0, r6, r0
-	lsls r0, 24
-	lsrs r6, r0, 24
-	adds r0, r5, 0x1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	ldrb r1, [r1]
-	cmp r5, r1
-	bcc _08121A3C
-_08121A8A:
-	ldr r4, =gUnknown_0203A134
-	ldr r1, [r4]
-	movs r2, 0x80
-	lsls r2, 2
-	adds r0, r1, r2
-	movs r3, 0x85
-	lsls r3, 2
-	adds r1, r3
-	ldr r1, [r1]
-	adds r1, 0x12
-	bl StringCopy
-	adds r2, r0, 0
-	ldr r1, [r4]
-	ldr r3, =0x0000021e
-	adds r0, r1, r3
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _08121AF0
-	ldr r1, =gText_FromSpace
-	adds r0, r2, 0
-	bl StringCopy
-	ldr r0, [r4]
-	movs r1, 0x80
-	lsls r1, 2
-	adds r0, r1
-	bl StringLength
-	ldr r2, [r4]
-	movs r3, 0x8A
-	lsls r3, 2
-	adds r1, r2, r3
-	ldr r1, [r1]
-	lsls r0, 16
-	lsrs r0, 13
-	subs r0, 0x60
-	ldrb r1, [r1, 0x2]
-	subs r1, r0
-	ldr r0, =0x00000219
-	adds r2, r0
-	strb r1, [r2]
-	b _08121B0C
-	.pool
-_08121AF0:
-	movs r2, 0x80
-	lsls r2, 2
-	adds r0, r1, r2
-	bl sub_81DB52C
-	ldr r0, [r4]
-	movs r3, 0x8A
-	lsls r3, 2
-	adds r1, r0, r3
-	ldr r1, [r1]
-	ldrb r1, [r1, 0x2]
-	ldr r2, =0x00000219
-	adds r0, r2
-	strb r1, [r0]
-_08121B0C:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8121A1C
-
-	thumb_func_start sub_8121B1C
-sub_8121B1C: @ 8121B1C
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x2C
-	movs r7, 0
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0x1
-	bl PutWindowTilemap
-	movs r0, 0
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	movs r0, 0x1
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	movs r6, 0
-	ldr r1, =gUnknown_0203A134
-	ldr r0, [r1]
-	movs r2, 0x8A
-	lsls r2, 2
-	mov r10, r2
-	add r0, r10
-	ldr r0, [r0]
-	ldrb r0, [r0]
-	cmp r6, r0
-	bcs _08121BCC
-	mov r9, r1
-	mov r8, r10
-_08121B60:
-	mov r0, r9
-	ldr r1, [r0]
-	lsls r0, r6, 6
-	adds r5, r1, r0
-	ldrb r0, [r5]
-	cmp r0, 0xFF
-	beq _08121BB8
-	cmp r0, 0
-	beq _08121BB8
-	mov r2, r8
-	adds r0, r1, r2
-	ldr r1, [r0]
-	ldr r0, [r1, 0x8]
-	lsls r4, r6, 2
-	adds r0, r4, r0
-	ldr r2, [r0]
-	lsls r2, 24
-	lsrs r2, 26
-	ldrb r0, [r1, 0x4]
-	adds r2, r0
-	lsls r2, 24
-	lsrs r2, 24
-	ldrb r3, [r1, 0x3]
-	adds r3, r7, r3
-	lsls r3, 24
-	lsrs r3, 24
-	ldr r0, =gUnknown_0859F2AC
-	str r0, [sp]
-	movs r0, 0
-	str r0, [sp, 0x4]
-	str r5, [sp, 0x8]
-	movs r1, 0x1
-	bl box_print
-	mov r1, r9
-	ldr r0, [r1]
-	add r0, r8
-	ldr r0, [r0]
-	ldr r0, [r0, 0x8]
-	adds r4, r0
-	ldrb r0, [r4, 0x1]
-	adds r0, r7, r0
-	lsls r0, 24
-	lsrs r7, r0, 24
-_08121BB8:
-	adds r0, r6, 0x1
-	lsls r0, 16
-	lsrs r6, r0, 16
-	ldr r2, =gUnknown_0203A134
-	ldr r0, [r2]
-	add r0, r10
-	ldr r0, [r0]
-	ldrb r0, [r0]
-	cmp r6, r0
-	bcc _08121B60
-_08121BCC:
-	ldr r1, =gText_FromSpace
-	add r0, sp, 0xC
-	bl StringCopy
-	ldr r4, =gUnknown_0203A134
-	ldr r1, [r4]
-	movs r2, 0x80
-	lsls r2, 2
-	adds r1, r2
-	bl StringCopy
-	ldr r0, [r4]
-	ldr r1, =0x00000219
-	adds r0, r1
-	ldrb r2, [r0]
-	movs r0, 0x1
-	add r1, sp, 0xC
-	bl GetStringCenterAlignXOffset
-	adds r2, r0, 0
-	adds r2, 0x68
-	ldr r0, [r4]
-	movs r1, 0x8A
-	lsls r1, 2
-	adds r0, r1
-	ldr r0, [r0]
-	ldrb r3, [r0, 0x1]
-	adds r3, 0x58
-	lsls r2, 24
-	lsrs r2, 24
-	lsls r3, 24
-	lsrs r3, 24
-	ldr r0, =gUnknown_0859F2AC
-	str r0, [sp]
-	movs r0, 0
-	str r0, [sp, 0x4]
-	add r0, sp, 0xC
-	str r0, [sp, 0x8]
-	movs r0, 0
-	movs r1, 0x1
-	bl box_print
-	movs r0, 0
-	movs r1, 0x3
-	bl CopyWindowToVram
-	movs r0, 0x1
-	movs r1, 0x3
-	bl CopyWindowToVram
-	add sp, 0x2C
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8121B1C
-
-	thumb_func_start sub_8121C50
-sub_8121C50: @ 8121C50
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8121C50
-
-	thumb_func_start sub_8121C64
-sub_8121C64: @ 8121C64
-	push {r4,lr}
-	ldr r4, =gUnknown_0203A134
-	ldr r0, [r4]
-	ldr r1, =0x0000021b
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _08121C7C
-	bl AnimateSprites
-	bl BuildOamBuffer
-_08121C7C:
-	ldr r0, [r4]
-	movs r1, 0x84
-	lsls r1, 2
-	adds r0, r1
-	ldr r0, [r0]
-	bl _call_via_r0
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8121C64
-
-	thumb_func_start sub_8121C98
-sub_8121C98: @ 8121C98
-	push {lr}
-	bl UpdatePaletteFade
-	lsls r0, 24
-	cmp r0, 0
-	bne _08121CB2
-	ldr r0, =gUnknown_0203A134
-	ldr r0, [r0]
-	movs r1, 0x84
-	lsls r1, 2
-	adds r0, r1
-	ldr r1, =sub_8121CC0
-	str r1, [r0]
-_08121CB2:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8121C98
-
-	thumb_func_start sub_8121CC0
-sub_8121CC0: @ 8121CC0
-	push {lr}
-	sub sp, 0x4
-	ldr r0, =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x3
-	ands r0, r1
-	cmp r0, 0
-	beq _08121CEE
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	ldr r0, =gUnknown_0203A134
-	ldr r0, [r0]
-	movs r1, 0x84
-	lsls r1, 2
-	adds r0, r1
-	ldr r1, =sub_8121D00
-	str r1, [r0]
-_08121CEE:
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8121CC0
-
-	thumb_func_start sub_8121D00
-sub_8121D00: @ 8121D00
-	push {r4,lr}
-	bl UpdatePaletteFade
-	lsls r0, 24
-	cmp r0, 0
-	bne _08121D88
-	ldr r4, =gUnknown_0203A134
-	ldr r0, [r4]
-	movs r1, 0x83
-	lsls r1, 2
-	adds r0, r1
-	ldr r0, [r0]
-	bl SetMainCallback2
-	ldr r1, [r4]
-	ldr r2, =0x0000021b
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	cmp r0, 0x2
-	bgt _08121D58
-	cmp r0, 0x1
-	blt _08121D58
-	subs r2, 0x7
-	adds r0, r1, r2
-	ldr r0, [r0]
-	ldrh r0, [r0, 0x1E]
-	bl sub_80D2E84
-	lsls r0, 16
-	lsrs r0, 16
-	bl sub_80D2FF0
-	ldr r0, [r4]
-	movs r1, 0x87
-	lsls r1, 2
-	adds r0, r1
-	ldrb r1, [r0]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, =gSprites
-	adds r0, r1
-	bl sub_80D2EF8
-_08121D58:
-	ldr r4, =gUnknown_0203A134
-	ldr r0, [r4]
-	ldr r2, =0x0000222c
-	movs r1, 0
-	bl memset
-	bl ResetPaletteFade
-	movs r0, 0
-	bl UnsetBgTilemapBuffer
-	movs r0, 0x1
-	bl UnsetBgTilemapBuffer
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	bl FreeAllWindowBuffers
-	ldr r0, [r4]
-	bl Free
-	movs r0, 0
-	str r0, [r4]
-_08121D88:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8121D00
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/data/graphics.s b/data/graphics.s
index 4e08adf44..bf0e3173b 100644
--- a/data/graphics.s
+++ b/data/graphics.s
@@ -910,8 +910,116 @@ gCableCarCord_Gfx:: @ 8DBC2C0
 gUnknown_08DBC2E8:: @ 8DBC2E8
 	.incbin "baserom.gba", 0xdbc2e8, 0x72c
 
-gUnknown_08DBCA14:: @ 8DBCA14
-	.incbin "baserom.gba", 0xdbca14, 0x3d00
+gUnknown_08DBCA14:: @ 0x08DBCA14
+	.incbin "baserom.gba", 0xdbca14, 0x1e04
+
+gUnknown_08DBE818:: @ 0x08DBE818
+	.incbin "baserom.gba", 0xdbe818, 0x20
+
+gUnknown_08DBE838:: @ 0x08DBE838
+	.incbin "baserom.gba", 0xdbe838, 0x20
+
+gUnknown_08DBE858:: @ 0x08DBE858
+	.incbin "baserom.gba", 0xdbe858, 0x20
+
+gUnknown_08DBE878:: @ 0x08DBE878
+	.incbin "baserom.gba", 0xdbe878, 0x20
+
+gUnknown_08DBE898:: @ 0x08DBE898
+	.incbin "baserom.gba", 0xdbe898, 0x20
+
+gUnknown_08DBE8B8:: @ 0x08DBE8B8
+	.incbin "baserom.gba", 0xdbe8b8, 0x20
+
+gUnknown_08DBE8D8:: @ 0x08DBE8D8
+	.incbin "baserom.gba", 0xdbe8d8, 0x20
+
+gUnknown_08DBE8F8:: @ 0x08DBE8F8
+	.incbin "baserom.gba", 0xdbe8f8, 0x20
+
+gUnknown_08DBE918:: @ 0x08DBE918
+	.incbin "baserom.gba", 0xdbe918, 0x20
+
+gUnknown_08DBE938:: @ 0x08DBE938
+	.incbin "baserom.gba", 0xdbe938, 0x20
+
+gUnknown_08DBE958:: @ 0x08DBE958
+	.incbin "baserom.gba", 0xdbe958, 0x20
+
+gUnknown_08DBE978:: @ 0x08DBE978
+	.incbin "baserom.gba", 0xdbe978, 0x20
+
+gUnknown_08DBE998:: @ 0x08DBE998
+	.incbin "baserom.gba", 0xdbe998, 0x1a0
+
+gUnknown_08DBEB38:: @ 0x08DBEB38
+	.incbin "baserom.gba", 0xdbeb38, 0x13c
+
+gUnknown_08DBEC74:: @ 0x08DBEC74
+	.incbin "baserom.gba", 0xdbec74, 0x210
+
+gUnknown_08DBEE84:: @ 0x08DBEE84
+	.incbin "baserom.gba", 0xdbee84, 0xd8
+
+gUnknown_08DBEF5C:: @ 0x08DBEF5C
+	.incbin "baserom.gba", 0xdbef5c, 0x1f8
+
+gUnknown_08DBF154:: @ 0x08DBF154
+	.incbin "baserom.gba", 0xdbf154, 0x180
+
+gUnknown_08DBF2D4:: @ 0x08DBF2D4
+	.incbin "baserom.gba", 0xdbf2d4, 0xa8
+
+gUnknown_08DBF37C:: @ 0x08DBF37C
+	.incbin "baserom.gba", 0xdbf37c, 0x190
+
+gUnknown_08DBF50C:: @ 0x08DBF50C
+	.incbin "baserom.gba", 0xdbf50c, 0x140
+
+gUnknown_08DBF64C:: @ 0x08DBF64C
+	.incbin "baserom.gba", 0xdbf64c, 0x168
+
+gUnknown_08DBF7B4:: @ 0x08DBF7B4
+	.incbin "baserom.gba", 0xdbf7b4, 0x150
+
+gUnknown_08DBF904:: @ 0x08DBF904
+	.incbin "baserom.gba", 0xdbf904, 0x2a0
+
+gUnknown_08DBFBA4:: @ 0x08DBFBA4
+	.incbin "baserom.gba", 0xdbfba4, 0xd8
+
+gUnknown_08DBFC7C:: @ 0x08DBFC7C
+	.incbin "baserom.gba", 0xdbfc7c, 0xe0
+
+gUnknown_08DBFD5C:: @ 0x08DBFD5C
+	.incbin "baserom.gba", 0xdbfd5c, 0x10c
+
+gUnknown_08DBFE68:: @ 0x08DBFE68
+	.incbin "baserom.gba", 0xdbfe68, 0xdc
+
+gUnknown_08DBFF44:: @ 0x08DBFF44
+	.incbin "baserom.gba", 0xdbff44, 0xf0
+
+gUnknown_08DC0034:: @ 0x08DC0034
+	.incbin "baserom.gba", 0xdc0034, 0xe0
+
+gUnknown_08DC0114:: @ 0x08DC0114
+	.incbin "baserom.gba", 0xdc0114, 0xe0
+
+gUnknown_08DC01F4:: @ 0x08DC01F4
+	.incbin "baserom.gba", 0xdc01f4, 0x10c
+
+gUnknown_08DC0300:: @ 0x08DC0300
+	.incbin "baserom.gba", 0xdc0300, 0xf0
+
+gUnknown_08DC03F0:: @ 0x08DC03F0
+	.incbin "baserom.gba", 0xdc03f0, 0xf8
+
+gUnknown_08DC04E8:: @ 0x08DC04E8
+	.incbin "baserom.gba", 0xdc04e8, 0x118
+
+gUnknown_08DC0600:: @ 0x08DC0600
+	.incbin "baserom.gba", 0xdc0600, 0x114
 
 gUnknown_08DC0714:: @ 8DC0714
 	.incbin "baserom.gba", 0xdc0714, 0x40
diff --git a/data/mail.s b/data/mail.s
deleted file mode 100644
index 5dc8270bc..000000000
--- a/data/mail.s
+++ /dev/null
@@ -1,26 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-	.align 2, 0
-
-gUnknown_0859F290:: @ 859F290
-	.incbin "baserom.gba", 0x59f290, 0xc
-
-gUnknown_0859F29C:: @ 859F29C
-	.incbin "baserom.gba", 0x59f29c, 0x10
-
-gUnknown_0859F2AC:: @ 859F2AC
-	.incbin "baserom.gba", 0x59f2ac, 0x4
-
-gUnknown_0859F2B0:: @ 859F2B0
-	.incbin "baserom.gba", 0x59f2b0, 0x8
-
-gUnknown_0859F2B8:: @ 859F2B8
-	.incbin "baserom.gba", 0x59f2b8, 0xfc
-
-gUnknown_0859F3B4:: @ 859F3B4
-	.incbin "baserom.gba", 0x59f3b4, 0xa4
-
-gUnknown_0859F458:: @ 859F458
-	.incbin "baserom.gba", 0x59f458, 0xbc
diff --git a/include/international_string_util.h b/include/international_string_util.h
index 11b5c633c..1c2836132 100644
--- a/include/international_string_util.h
+++ b/include/international_string_util.h
@@ -1,6 +1,9 @@
 #ifndef GUARD_INTERNATIONAL_STRING_UTIL_H
 #define GUARD_INTERNATIONAL_STRING_UTIL_H
 
+void sub_81DB52C(const u8 *src);
+void TVShowConvertInternationalString(u8 *dest, const u8 *src, u8 language);
+u32 sub_81DB604(const u8 *);
 s32 GetStringCenterAlignXOffset(s32 fontId, const u8 *str, s32 totalWidth);
 s32 GetStringRightAlignXOffset(s32 fontId, const u8 *str, s32 totalWidth);
 s32 GetStringCenterAlignXOffsetWithLetterSpacing(s32 fontId, const u8 *str, s32 totalWidth, s32 letterSpacing);
@@ -14,7 +17,6 @@ s32 sub_81DB3D8(const u8 **str, u8* arg1, s32 arg2);
 // sub_81DB52C
 // sub_81DB554
 // sub_81DB5AC
-void TVShowConvertInternationalString(u8 *dest, const u8 *src, u8 language);
 u32 sub_81DB604(const u8 *);
 // sub_81DB620
 
diff --git a/include/mail_data.h b/include/mail_data.h
new file mode 100644
index 000000000..bf6540bad
--- /dev/null
+++ b/include/mail_data.h
@@ -0,0 +1,12 @@
+#ifndef GUARD_MAIL_DATA_H
+#define GUARD_MAIL_DATA_H
+
+// Exported type declarations
+
+// Exported RAM declarations
+
+// Exported ROM declarations
+
+u16 sub_80D45E8(u16, u16 *);
+
+#endif //GUARD_MAIL_DATA_H
diff --git a/include/menu.h b/include/menu.h
index 66ac73e03..480ffd1ce 100644
--- a/include/menu.h
+++ b/include/menu.h
@@ -19,6 +19,9 @@ void box_print(u8, u8, u8, u8, const void *, s8, const u8 *);
 void sub_8198070(u8 windowId, bool8 copyToVram);
 void SetWindowTemplateFields(struct WindowTemplate* template, u8 priority, u8 tilemapLeft, u8 tilemapTop, u8 width, u8 height, u8 palNum, u16 baseBlock);
 void SetWindowBorderStyle(u8 windowId, bool8 copyToVram, u16 tileStart, u8 palette);
-void sub_8198A50(struct WindowTemplate*, u8, u8, u8, u8, u8, u8, u16); // returns something but it isn't used, fix when menu.s is decomp'd
+void reset_temp_tile_data_buffers(void);
+int decompress_and_copy_tile_data_to_vram(u8 bg_id, const void *src, int size, u16 offset, u8 mode);
+bool8 free_temp_tile_data_buffers_if_possible(void);
+u64 sub_8198A50(struct WindowTemplate*, u8, u8, u8, u8, u8, u8, u16); // returns something but it isn't used, fix when menu.s is decomp'd
 
 #endif // GUARD_MENU_H
diff --git a/include/menu_helpers.h b/include/menu_helpers.h
new file mode 100644
index 000000000..45ee95de5
--- /dev/null
+++ b/include/menu_helpers.h
@@ -0,0 +1,11 @@
+#ifndef GUARD_MENU_HELPERS_H
+#define GUARD_MENU_HELPERS_H
+
+// Exported type declarations
+
+// Exported RAM declarations
+
+// Exported ROM declarations
+bool8 sub_81221AC(void);
+
+#endif //GUARD_MENU_HELPERS_H
diff --git a/include/overworld.h b/include/overworld.h
index 0475e8e8c..1869222b0 100644
--- a/include/overworld.h
+++ b/include/overworld.h
@@ -53,6 +53,7 @@ const struct MapHeader *get_mapheader_by_bank_and_number(u8, u8);
 void FieldObjectMoveDestCoords(struct MapObject *, u32, s16 *, s16 *);
 void sub_8086230(void);
 void c2_exit_to_overworld_2_switch(void);
+bool32 sub_8087598(void);
 void c2_exit_to_overworld_1_continue_scripts_restart_music(void);
 
 #endif //GUARD_ROM4_H
diff --git a/include/pokemon_icon.h b/include/pokemon_icon.h
index b82334355..b6d21823e 100644
--- a/include/pokemon_icon.h
+++ b/include/pokemon_icon.h
@@ -3,5 +3,10 @@
 
 const u8 *GetMonIconPtr(u16 speciesId, u32 personality, u32 frameNo);
 const u16 *GetValidMonIconPalettePtr(u16 speciesId);
+u16 sub_80D2E84(u16 speciesId);
+void sub_80D2F68(u16 iconId);
+u8 sub_80D2D78(u16 iconId, void callback(struct Sprite *), u16 x, u16 y, u16 a4, u8 a5);
+void sub_80D2FF0(u16 iconId);
+void sub_80D2EF8(struct Sprite *sprite);
 
 #endif // GUARD_POKEMON_ICON_H
diff --git a/include/strings.h b/include/strings.h
index 5d1a9bba0..e45f3c87d 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -1,6 +1,13 @@
-#ifndef GUARD_strings_H
-#define GUARD_strings_H
+#ifndef GUARD_STRINGS_H
+#define GUARD_STRINGS_H
 
+// Exported type declarations
+
+// Exported RAM declarations
+
+// Exported ROM declarations
+
+extern const u8 gText_FromSpace[];
 extern const u8 gText_Lv50[];
 extern const u8 gText_OpenLevel[];
 extern const u8 gText_Mom[];
@@ -30,4 +37,4 @@ extern const u8 gText_First[];
 extern const u8 gText_Second[];
 extern const u8 gText_Third[];
 
-#endif //GUARD_strings_H
+#endif //GUARD_STRINGS_H
diff --git a/ld_script.txt b/ld_script.txt
index df92d5d39..377ac95d6 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -164,7 +164,7 @@ SECTIONS {
         asm/easy_chat.o(.text);
         asm/mon_markings.o(.text);
         asm/mauville_old_man.o(.text);
-        asm/mail.o(.text);
+        src/mail.o(.text);
         asm/menu_helpers.o(.text);
         asm/dewford_trend.o(.text);
         asm/heal_location.o(.text);
@@ -403,7 +403,7 @@ SECTIONS {
         data/easy_chat.o(.rodata);
         data/mon_markings.o(.rodata);
         data/mauville_old_man.o(.rodata);
-        data/mail.o(.rodata);
+        src/mail.o(.rodata);
         data/menu_helpers.o(.rodata);
         data/heal_location.o(.rodata);
         data/region_map.o(.rodata);
diff --git a/src/mail.c b/src/mail.c
new file mode 100644
index 000000000..1060d73bd
--- /dev/null
+++ b/src/mail.c
@@ -0,0 +1,577 @@
+
+// Includes
+#include "global.h"
+#include "main.h"
+#include "overworld.h"
+#include "task.h"
+#include "unknown_task.h"
+#include "palette.h"
+#include "menu.h"
+#include "menu_helpers.h"
+#include "text.h"
+#include "text_window.h"
+#include "string_util.h"
+#include "international_string_util.h"
+#include "strings.h"
+#include "gpu_regs.h"
+#include "bg.h"
+#include "pokemon_icon.h"
+#include "species.h"
+#include "malloc.h"
+#include "easy_chat.h"
+#include "mail_data.h"
+#include "mail.h"
+
+// Static type declarations
+
+struct UnkMailStruct
+{
+    u32 numEasyChatWords:2;
+    u32 xOffset:6;
+    u32 lineHeight:8;
+};
+
+struct MailLayout
+{
+    u8 numSubStructs;
+    u8 signatureYPos;
+    u8 signatureWidth;
+    u8 wordsXPos;
+    u8 wordsYPos;
+    const struct UnkMailStruct *var8;
+};
+
+struct MailGraphics
+{
+    const u16 *palette;
+    const u8 *tiles;
+    const u8 *tileMap;
+    u16 var0C;
+    u16 var0E;
+    u16 color10;
+    u16 color12;
+};
+
+// Static RAM declarations
+
+static EWRAM_DATA struct
+{
+    /*0x0000*/ u8 strbuf[8][64];
+    /*0x0200*/ u8 playerName[12];
+    /*0x020C*/ MainCallback callback;
+    /*0x0210*/ MainCallback callback2;
+    /*0x0214*/ struct MailStruct *mail;
+    /*0x0218*/ bool8 flag;
+    /*0x0219*/ u8 signatureWidth;
+    /*0x021a*/ u8 mailType;
+    /*0x021b*/ u8 animsActive;
+    /*0x021c*/ u8 monIconSprite;
+    /*0x021d*/ u8 language;
+    /*0x021e*/ bool8 playerIsSender;
+    /*0x0220*/ void (*parserSingle)(u8 *dest, u16 word);
+    /*0x0224*/ void (*parserMultiple)(u8 *dest, const u16 *src, u16 length1, u16 length2);
+    /*0x0228*/ const struct MailLayout *layout;
+    /*0x022c*/ u8 bg1TilemapBuffer[0x1000];
+    /*0x122c*/ u8 bg2TilemapBuffer[0x1000];
+} *gUnknown_0203A134 = NULL;
+
+// Static ROM declarations
+
+void sub_81219F0(void);
+void sub_8121A1C(void);
+void sub_8121B1C(void);
+void sub_8121C50(void);
+void sub_8121C64(void);
+void sub_8121C98(void);
+void sub_8121CC0(void);
+void sub_8121D00(void);
+
+// .rodata
+
+const struct BgTemplate gUnknown_0859F290[] = {
+    {
+        .bg = 0,
+        .charBaseIndex = 2,
+        .mapBaseIndex = 31,
+        .priority = 0
+    }, {
+        .bg = 1,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 30,
+        .priority = 1
+    }, {
+        .bg = 2,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 29,
+        .priority = 2
+    }
+};
+
+const struct WindowTemplate gUnknown_0859F29C[] = {
+    {
+        .priority = 0,
+        .tilemapLeft = 2,
+        .tilemapTop = 3,
+        .width = 26,
+        .height = 15,
+        .paletteNum = 15,
+        .baseBlock = 1
+    },
+    DUMMY_WIN_TEMPLATE
+};
+
+const u8 gUnknown_0859F2AC[] = {
+     0,
+    10,
+    11
+};
+
+const u16 gUnknown_0859F2B0[][2] = {
+    { 0x6ACD, 0x51A5 },
+    { 0x45FC, 0x38D4 }
+};
+
+extern const u16 gUnknown_08DBE818[];
+extern const u16 gUnknown_08DBE838[];
+extern const u16 gUnknown_08DBE858[];
+extern const u16 gUnknown_08DBE878[];
+extern const u16 gUnknown_08DBE898[];
+extern const u16 gUnknown_08DBE8B8[];
+extern const u16 gUnknown_08DBE8D8[];
+extern const u16 gUnknown_08DBE8F8[];
+extern const u16 gUnknown_08DBE918[];
+extern const u16 gUnknown_08DBE938[];
+extern const u16 gUnknown_08DBE958[];
+extern const u16 gUnknown_08DBE978[];
+extern const u8 gUnknown_08DBE998[];
+extern const u8 gUnknown_08DBFBA4[];
+extern const u8 gUnknown_08DBEB38[];
+extern const u8 gUnknown_08DBFC7C[];
+extern const u8 gUnknown_08DBEC74[];
+extern const u8 gUnknown_08DBFD5C[];
+extern const u8 gUnknown_08DBEE84[];
+extern const u8 gUnknown_08DBFE68[];
+extern const u8 gUnknown_08DBEF5C[];
+extern const u8 gUnknown_08DBFF44[];
+extern const u8 gUnknown_08DBF154[];
+extern const u8 gUnknown_08DC0034[];
+extern const u8 gUnknown_08DBF2D4[];
+extern const u8 gUnknown_08DC0114[];
+extern const u8 gUnknown_08DBF37C[];
+extern const u8 gUnknown_08DC01F4[];
+extern const u8 gUnknown_08DBF50C[];
+extern const u8 gUnknown_08DC0300[];
+extern const u8 gUnknown_08DBF64C[];
+extern const u8 gUnknown_08DC03F0[];
+extern const u8 gUnknown_08DBF7B4[];
+extern const u8 gUnknown_08DC04E8[];
+extern const u8 gUnknown_08DBF904[];
+extern const u8 gUnknown_08DC0600[];
+
+const struct MailGraphics gUnknown_0859F2B8[] = {
+    {
+        gUnknown_08DBE818, gUnknown_08DBE998, gUnknown_08DBFBA4, 0x02c0, 0x0000, 0x294a, 0x6739
+    }, {
+        gUnknown_08DBE838, gUnknown_08DBEB38, gUnknown_08DBFC7C, 0x02e0, 0x0000, 0x7fff, 0x4631
+    }, {
+        gUnknown_08DBE858, gUnknown_08DBEC74, gUnknown_08DBFD5C, 0x0400, 0x0000, 0x294a, 0x6739
+    }, {
+        gUnknown_08DBE878, gUnknown_08DBEE84, gUnknown_08DBFE68, 0x01e0, 0x0000, 0x7fff, 0x4631
+    }, {
+        gUnknown_08DBE898, gUnknown_08DBEF5C, gUnknown_08DBFF44, 0x02e0, 0x0000, 0x7fff, 0x4631
+    }, {
+        gUnknown_08DBE8B8, gUnknown_08DBF154, gUnknown_08DC0034, 0x0300, 0x0000, 0x294a, 0x6739
+    }, {
+        gUnknown_08DBE8D8, gUnknown_08DBF2D4, gUnknown_08DC0114, 0x0140, 0x0000, 0x7fff, 0x4631
+    }, {
+        gUnknown_08DBE8F8, gUnknown_08DBF37C, gUnknown_08DC01F4, 0x0300, 0x0000, 0x7fff, 0x4631
+    }, {
+        gUnknown_08DBE918, gUnknown_08DBF50C, gUnknown_08DC0300, 0x0220, 0x0000, 0x294a, 0x6739
+    }, {
+        gUnknown_08DBE938, gUnknown_08DBF64C, gUnknown_08DC03F0, 0x0340, 0x0000, 0x294a, 0x6739
+    }, {
+        gUnknown_08DBE958, gUnknown_08DBF7B4, gUnknown_08DC04E8, 0x02a0, 0x0000, 0x294a, 0x6739
+    }, {
+        gUnknown_08DBE978, gUnknown_08DBF904, gUnknown_08DC0600, 0x0520, 0x0000, 0x294a, 0x6739
+    }
+};
+
+const struct UnkMailStruct Unknown_0859F3A8[] = {
+    { .numEasyChatWords = 3, .lineHeight = 16 },
+    { .numEasyChatWords = 3, .lineHeight = 16 },
+    { .numEasyChatWords = 3, .lineHeight = 16 }
+};
+
+const struct MailLayout gUnknown_0859F3B4[] = {
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x08, 0x00, 0x02, 0x04, Unknown_0859F3A8 },
+    { 0x03, 0x00, 0x00, 0x02, 0x00, Unknown_0859F3A8 }
+};
+
+const struct UnkMailStruct Unknown_0859F444[] = {
+    { .numEasyChatWords = 2, .lineHeight = 16 },
+    { .numEasyChatWords = 2, .lineHeight = 16 },
+    { .numEasyChatWords = 2, .lineHeight = 16 },
+    { .numEasyChatWords = 2, .lineHeight = 16 },
+    { .numEasyChatWords = 1, .lineHeight = 16 }
+};
+
+const struct MailLayout gUnknown_0859F458[] = {
+    { 0x05, 0x07, 0x58, 0x0b, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x0a, 0x60, 0x09, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x0c, 0x68, 0x05, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x05, 0x60, 0x08, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x0a, 0x60, 0x09, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x09, 0x70, 0x05, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x0c, 0x68, 0x09, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x0d, 0x68, 0x0d, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x09, 0x60, 0x09, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x09, 0x60, 0x09, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x11, 0x68, 0x0f, 0x1e, Unknown_0859F444 },
+    { 0x05, 0x09, 0x60, 0x05, 0x1e, Unknown_0859F444 }
+};
+
+// What the heck are these meant to be? Call them u16 for now.
+
+const u16 Unknown_0859F4E8[] = {
+    0x00, 0x4000, 0x00, 0x00
+};
+
+const u16 Unknown_0859F4F0[] = {
+    0x00, 0x00, -1, 0x00
+};
+
+const u16 Unknown_0859F4F8[] = {
+    0x04, 0x00, -1, 0x00
+};
+
+const u16 Unknown_0859F500[] = {
+    0x00, 0x40, -1, 0x00
+};
+
+const u16 *const gUnknown_0859F508[] = {
+    Unknown_0859F4F0,
+    Unknown_0859F4F8,
+    Unknown_0859F500
+};
+
+// .text
+
+void sub_8121478(struct MailStruct *mail, MainCallback callback, bool8 flag) {
+    u16 buffer[2];
+    u16 species;
+
+    gUnknown_0203A134 = calloc(1, sizeof(*gUnknown_0203A134));
+    gUnknown_0203A134->language = LANGUAGE_ENGLISH;
+    gUnknown_0203A134->playerIsSender = TRUE;
+    gUnknown_0203A134->parserSingle = CopyEasyChatWord;
+    gUnknown_0203A134->parserMultiple = ConvertEasyChatWordsToString;
+    if (mail->itemId >= ITEM_ORANGE_MAIL && mail->itemId <= ITEM_RETRO_MAIL) {
+        gUnknown_0203A134->mailType = mail->itemId - ITEM_ORANGE_MAIL;
+    }
+    else
+    {
+        gUnknown_0203A134->mailType = 0;
+        flag = FALSE;
+    }
+    switch (gUnknown_0203A134->playerIsSender)
+    {
+        case FALSE:
+        default:
+            gUnknown_0203A134->layout = &gUnknown_0859F3B4[gUnknown_0203A134->mailType];
+            break;
+        case TRUE:
+            gUnknown_0203A134->layout = &gUnknown_0859F458[gUnknown_0203A134->mailType];
+            break;
+    }
+    species = sub_80D45E8(mail->species, buffer);
+    if (species >= SPECIES_BULBASAUR && species < NUM_SPECIES)
+    {
+        switch (gUnknown_0203A134->mailType)
+        {
+            default:
+                gUnknown_0203A134->animsActive = 0;
+                break;
+            case ITEM_BEAD_MAIL - ITEM_ORANGE_MAIL:
+                gUnknown_0203A134->animsActive = 1;
+                break;
+            case ITEM_DREAM_MAIL - ITEM_ORANGE_MAIL:
+                gUnknown_0203A134->animsActive = 2;
+                break;
+        }
+    }
+    else
+    {
+        gUnknown_0203A134->animsActive = 0;
+    }
+    gUnknown_0203A134->mail = mail;
+    gUnknown_0203A134->callback = callback;
+    gUnknown_0203A134->flag = flag;
+    SetMainCallback2(sub_81219F0);
+}
+
+bool8 sub_81215EC(void)
+{
+    u16 icon;
+
+    switch (gMain.state)
+    {
+        case 0:
+            SetVBlankCallback(NULL);
+            remove_some_task();
+            SetGpuReg(REG_OFFSET_DISPCNT, 0x0000);
+            break;
+        case 1:
+            CpuFill16(0, (void *)OAM, OAM_SIZE);
+            break;
+        case 2:
+            ResetPaletteFade();
+            break;
+        case 3:
+            ResetTasks();
+            break;
+        case 4:
+            ResetSpriteData();
+            break;
+        case 5:
+            FreeAllSpritePalettes();
+            reset_temp_tile_data_buffers();
+            SetGpuReg(REG_OFFSET_BG0HOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG0VOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG1HOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG1VOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG2VOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG2HOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG3HOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG3VOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BLDCNT, 0x0000);
+            SetGpuReg(REG_OFFSET_BLDALPHA, 0x0000);
+            break;
+        case 6:
+            ResetBgsAndClearDma3BusyFlags(0);
+            InitBgsFromTemplates(0, gUnknown_0859F290, 3);
+            SetBgTilemapBuffer(1, gUnknown_0203A134->bg1TilemapBuffer);
+            SetBgTilemapBuffer(2, gUnknown_0203A134->bg2TilemapBuffer);
+            break;
+        case 7:
+            InitWindows(gUnknown_0859F29C);
+            DeactivateAllTextPrinters();
+            break;
+        case 8:
+            decompress_and_copy_tile_data_to_vram(1, gUnknown_0859F2B8[gUnknown_0203A134->mailType].tiles, 0, 0, 0);
+            break;
+        case 9:
+            if (free_temp_tile_data_buffers_if_possible())
+            {
+                return FALSE;
+            }
+            break;
+        case 10:
+            FillBgTilemapBufferRect_Palette0(0, 0, 0, 0, 30, 20);
+            FillBgTilemapBufferRect_Palette0(2, 1, 0, 0, 30, 20);
+            CopyToBgTilemapBuffer(1, gUnknown_0859F2B8[gUnknown_0203A134->mailType].tileMap, 0, 0);
+            break;
+        case 11:
+            CopyBgTilemapBufferToVram(0);
+            CopyBgTilemapBufferToVram(1);
+            CopyBgTilemapBufferToVram(2);
+            break;
+        case 12:
+            LoadPalette(sub_8098C64(), 240, 32);
+            gPlttBufferUnfaded[250] = gUnknown_0859F2B8[gUnknown_0203A134->mailType].color10;
+            gPlttBufferFaded[250] = gUnknown_0859F2B8[gUnknown_0203A134->mailType].color10;
+            gPlttBufferUnfaded[251] = gUnknown_0859F2B8[gUnknown_0203A134->mailType].color12;
+            gPlttBufferFaded[251] = gUnknown_0859F2B8[gUnknown_0203A134->mailType].color12;
+            LoadPalette(gUnknown_0859F2B8[gUnknown_0203A134->mailType].palette, 0, 32);
+            gPlttBufferUnfaded[10] = gUnknown_0859F2B0[gSaveBlock2Ptr->playerGender][0];
+            gPlttBufferFaded[10] = gUnknown_0859F2B0[gSaveBlock2Ptr->playerGender][0];
+            gPlttBufferUnfaded[11] = gUnknown_0859F2B0[gSaveBlock2Ptr->playerGender][1];
+            gPlttBufferFaded[11] = gUnknown_0859F2B0[gSaveBlock2Ptr->playerGender][1];
+            break;
+        case 13:
+            if (gUnknown_0203A134->flag)
+            {
+                sub_8121A1C();
+            }
+            break;
+        case 14:
+            if (gUnknown_0203A134->flag)
+            {
+                sub_8121B1C();
+                RunTextPrinters();
+            }
+            break;
+        case 15:
+            if (sub_8087598() == TRUE)
+            {
+                return FALSE;
+            }
+            break;
+        case 16:
+            SetVBlankCallback(sub_8121C50);
+            gPaletteFade.bufferTransferDisabled = TRUE;
+            break;
+        case 17:
+            icon = sub_80D2E84(gUnknown_0203A134->mail->species);
+            switch (gUnknown_0203A134->animsActive)
+            {
+                case 1:
+                    sub_80D2F68(icon);
+                    gUnknown_0203A134->monIconSprite = sub_80D2D78(icon, SpriteCallbackDummy, 0x60, 0x80, 0, 0);
+                    break;
+                case 2:
+                    sub_80D2F68(icon);
+                    gUnknown_0203A134->monIconSprite = sub_80D2D78(icon, SpriteCallbackDummy, 0x28, 0x80, 0, 0);
+                    break;
+            }
+            break;
+        case 18:
+            SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+            ShowBg(0);
+            ShowBg(1);
+            ShowBg(2);
+            BeginNormalPaletteFade(-1, 0, 16, 0, 0);
+            gPaletteFade.bufferTransferDisabled = FALSE;
+            gUnknown_0203A134->callback2 = sub_8121C98;
+            return TRUE;
+        default:
+            return FALSE;
+    }
+    gMain.state ++;
+    return FALSE;
+}
+
+void sub_81219F0(void)
+{
+    do
+    {
+        if (sub_81215EC() == TRUE)
+        {
+            SetMainCallback2(sub_8121C64);
+            break;
+        }
+    } while (sub_81221AC() != TRUE);
+}
+
+void sub_8121A1C(void)
+{
+    u16 i;
+    u8 total;
+    u8 *ptr;
+
+    total = 0;
+    for (i = 0; i < gUnknown_0203A134->layout->numSubStructs; i ++)
+    {
+        ConvertEasyChatWordsToString(gUnknown_0203A134->strbuf[i], &gUnknown_0203A134->mail->words[total], gUnknown_0203A134->layout->var8[i].numEasyChatWords, 1);
+        total += gUnknown_0203A134->layout->var8[i].numEasyChatWords;
+    }
+    ptr = StringCopy(gUnknown_0203A134->playerName, gUnknown_0203A134->mail->playerName);
+    if (!gUnknown_0203A134->playerIsSender)
+    {
+        StringCopy(ptr, gText_FromSpace);
+        gUnknown_0203A134->signatureWidth = gUnknown_0203A134->layout->signatureWidth - (StringLength(gUnknown_0203A134->playerName) * 8 - 0x60);
+    }
+    else
+    {
+        sub_81DB52C(gUnknown_0203A134->playerName);
+        gUnknown_0203A134->signatureWidth = gUnknown_0203A134->layout->signatureWidth;
+    }
+}
+
+void sub_8121B1C(void)
+{
+    u16 i;
+    u8 strbuf[0x20];
+    u8 y;
+    u8 *bufptr;
+    s32 box_x;
+    s32 box_y;
+
+    y = 0;
+    PutWindowTilemap(0);
+    PutWindowTilemap(1);
+    FillWindowPixelBuffer(0, 0);
+    FillWindowPixelBuffer(1, 0);
+    for (i = 0; i < gUnknown_0203A134->layout->numSubStructs; i ++)
+    {
+        if (gUnknown_0203A134->strbuf[i][0] == EOS || gUnknown_0203A134->strbuf[i][0] == CHAR_SPACE)
+        {
+            continue;
+        }
+        box_print(0, 1, gUnknown_0203A134->layout->var8[i].xOffset + gUnknown_0203A134->layout->wordsYPos, y + gUnknown_0203A134->layout->wordsXPos, gUnknown_0859F2AC, 0, gUnknown_0203A134->strbuf[i]);
+        y += gUnknown_0203A134->layout->var8[i].lineHeight;
+    }
+    bufptr = StringCopy(strbuf, gText_FromSpace);
+    StringCopy(bufptr, gUnknown_0203A134->playerName);
+    box_x = GetStringCenterAlignXOffset(1, strbuf, gUnknown_0203A134->signatureWidth) + 0x68;
+    box_y = gUnknown_0203A134->layout->signatureYPos + 0x58;
+    box_print(0, 1, box_x, box_y, gUnknown_0859F2AC, 0, strbuf);
+    CopyWindowToVram(0, 3);
+    CopyWindowToVram(1, 3);
+}
+
+void sub_8121C50(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_8121C64(void)
+{
+    if (gUnknown_0203A134->animsActive != 0)
+    {
+        AnimateSprites();
+        BuildOamBuffer();
+    }
+    gUnknown_0203A134->callback2();
+}
+
+void sub_8121C98(void)
+{
+    if (!UpdatePaletteFade())
+    {
+        gUnknown_0203A134->callback2 = sub_8121CC0;
+    }
+}
+
+void sub_8121CC0(void)
+{
+    if (gMain.newKeys & (A_BUTTON | B_BUTTON))
+    {
+        BeginNormalPaletteFade(-1, 0, 0, 16, 0);
+        gUnknown_0203A134->callback2 = sub_8121D00;
+    }
+}
+
+void sub_8121D00(void)
+{
+    if (!UpdatePaletteFade())
+    {
+        SetMainCallback2(gUnknown_0203A134->callback);
+        switch (gUnknown_0203A134->animsActive)
+        {
+            case 1:
+            case 2:
+                sub_80D2FF0(sub_80D2E84(gUnknown_0203A134->mail->species));
+                sub_80D2EF8(&gSprites[gUnknown_0203A134->monIconSprite]);
+        }
+        memset(gUnknown_0203A134, 0, sizeof(*gUnknown_0203A134));
+        ResetPaletteFade();
+        UnsetBgTilemapBuffer(0);
+        UnsetBgTilemapBuffer(1);
+        ResetBgsAndClearDma3BusyFlags(0);
+        FreeAllWindowBuffers();
+        free(gUnknown_0203A134);
+        gUnknown_0203A134 = NULL;
+    }
+}
diff --git a/sym_ewram.txt b/sym_ewram.txt
index 3172bf42d..a1be5c79a 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -1105,8 +1105,7 @@ gUnknown_0203A12C: @ 203A12C
 gUnknown_0203A130: @ 203A130
 	.space 0x4
 
-gUnknown_0203A134: @ 203A134
-	.space 0x4
+    .include "src/mail.o"
 
 gUnknown_0203A138: @ 203A138
 	.space 0x8