decompile intro_credits_graphics.s (#381)

* Update

* Update

* Update

* update

* intro_credits_graphics

* decompiled up to sub_80cb438

* decompiled up to sub_80CB7EC

* decompiled up to sub_80cbc8c

* decompiled up to sub_80CC408

* decompiled up to sub_80CCD24

* fixed it up a little

* more fixes

* Update ld_script.txt

* Delete battle_anim_80CA710.c

* Update battle_anim_80CA710.s

reverted

5 files changed, 544 insertions, 1177 deletions

diff --git a/asm/intro_credits_graphics.s b/asm/intro_credits_graphics.s
deleted file mode 100644
index 8d73f6cf6..000000000
--- a/asm/intro_credits_graphics.s
+++ /dev/null
@@ -1,1166 +0,0 @@
-	.include "constants/gba_constants.inc"
-	.include "constants/species_constants.inc"
-	.include "asm/macros.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start load_intro_part2_graphics
-load_intro_part2_graphics: @ 8148B8C
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _08148BE8 @ =gUnknown_0841225C
-	ldr r1, _08148BEC @ =0x06004000
-	bl LZ77UnCompVram
-	ldr r0, _08148BF0 @ =gUnknown_084126DC
-	ldr r1, _08148BF4 @ =0x06007800
-	bl LZ77UnCompVram
-	ldr r0, _08148BF8 @ =gUnknown_084121FC
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	cmp r4, 0
-	beq _08148BB4
-	cmp r4, 0x1
-	beq _08148C14
-_08148BB4:
-	ldr r0, _08148BFC @ =gUnknown_084128D8
-	movs r1, 0xC0
-	lsls r1, 19
-	bl LZ77UnCompVram
-	ldr r0, _08148C00 @ =gUnknown_08412EB4
-	ldr r1, _08148C04 @ =0x06003000
-	bl LZ77UnCompVram
-	ldr r0, _08148C08 @ =gUnknown_08412818
-	movs r1, 0
-	movs r2, 0x60
-	bl LoadPalette
-	ldr r0, _08148C0C @ =gUnknown_08416B54
-	bl LoadCompressedObjectPic
-	ldr r0, _08148C10 @ =gUnknown_08413184
-	movs r1, 0x80
-	lsls r1, 1
-	movs r2, 0x20
-	bl LoadPalette
-	bl sub_8149248
-	b _08148C46
-	.align 2, 0
-_08148BE8: .4byte gUnknown_0841225C
-_08148BEC: .4byte 0x06004000
-_08148BF0: .4byte gUnknown_084126DC
-_08148BF4: .4byte 0x06007800
-_08148BF8: .4byte gUnknown_084121FC
-_08148BFC: .4byte gUnknown_084128D8
-_08148C00: .4byte gUnknown_08412EB4
-_08148C04: .4byte 0x06003000
-_08148C08: .4byte gUnknown_08412818
-_08148C0C: .4byte gUnknown_08416B54
-_08148C10: .4byte gUnknown_08413184
-_08148C14:
-	ldr r0, _08148C58 @ =gUnknown_08413340
-	movs r1, 0xC0
-	lsls r1, 19
-	bl LZ77UnCompVram
-	ldr r0, _08148C5C @ =gUnknown_084139C8
-	ldr r1, _08148C60 @ =0x06003000
-	bl LZ77UnCompVram
-	ldr r0, _08148C64 @ =gUnknown_08413300
-	movs r1, 0
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r0, _08148C68 @ =gUnknown_08416BDC
-	bl LoadCompressedObjectPic
-	ldr r0, _08148C6C @ =gUnknown_08413CCC
-	movs r1, 0x80
-	lsls r1, 1
-	movs r2, 0x20
-	bl LoadPalette
-	bl sub_8149264
-_08148C46:
-	ldr r1, _08148C70 @ =gUnknown_0203935C
-	movs r0, 0
-	strh r0, [r1]
-	ldr r1, _08148C74 @ =gReservedSpritePaletteCount
-	movs r0, 0x8
-	strb r0, [r1]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08148C58: .4byte gUnknown_08413340
-_08148C5C: .4byte gUnknown_084139C8
-_08148C60: .4byte 0x06003000
-_08148C64: .4byte gUnknown_08413300
-_08148C68: .4byte gUnknown_08416BDC
-_08148C6C: .4byte gUnknown_08413CCC
-_08148C70: .4byte gUnknown_0203935C
-_08148C74: .4byte gReservedSpritePaletteCount
-	thumb_func_end load_intro_part2_graphics
-
-	thumb_func_start sub_8148C78
-sub_8148C78: @ 8148C78
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r1, _08148CA4 @ =REG_BG3CNT
-	ldr r2, _08148CA8 @ =0x00000603
-	adds r0, r2, 0
-	strh r0, [r1]
-	subs r1, 0x2
-	adds r2, 0xFF
-	adds r0, r2, 0
-	strh r0, [r1]
-	subs r1, 0x2
-	ldr r2, _08148CAC @ =0x00000f05
-	adds r0, r2, 0
-	strh r0, [r1]
-	subs r1, 0xA
-	movs r2, 0xF2
-	lsls r2, 5
-	adds r0, r2, 0
-	strh r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08148CA4: .4byte REG_BG3CNT
-_08148CA8: .4byte 0x00000603
-_08148CAC: .4byte 0x00000f05
-	thumb_func_end sub_8148C78
-
-	thumb_func_start sub_8148CB0
-sub_8148CB0: @ 8148CB0
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _08148CD4 @ =gUnknown_0841225C
-	ldr r1, _08148CD8 @ =0x06004000
-	bl LZ77UnCompVram
-	ldr r0, _08148CDC @ =gUnknown_084126DC
-	ldr r1, _08148CE0 @ =0x06007800
-	bl LZ77UnCompVram
-	cmp r4, 0x4
-	bhi _08148CFC
-	lsls r0, r4, 2
-	ldr r1, _08148CE4 @ =_08148CE8
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_08148CD4: .4byte gUnknown_0841225C
-_08148CD8: .4byte 0x06004000
-_08148CDC: .4byte gUnknown_084126DC
-_08148CE0: .4byte 0x06007800
-_08148CE4: .4byte _08148CE8
-	.align 2, 0
-_08148CE8:
-	.4byte _08148CFC
-	.4byte _08148D58
-	.4byte _08148DC4
-	.4byte _08148DC4
-	.4byte _08148E1C
-_08148CFC:
-	ldr r0, _08148D34 @ =gUnknown_084121FC
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r0, _08148D38 @ =gUnknown_084128D8
-	movs r1, 0xC0
-	lsls r1, 19
-	bl LZ77UnCompVram
-	ldr r0, _08148D3C @ =gUnknown_08412EB4
-	ldr r1, _08148D40 @ =0x06003000
-	bl LZ77UnCompVram
-	ldr r0, _08148D44 @ =gUnknown_08412818
-	movs r1, 0
-	movs r2, 0x60
-	bl LoadPalette
-	ldr r0, _08148D48 @ =gUnknown_08416B54
-	bl LoadCompressedObjectPic
-	ldr r0, _08148D4C @ =gUnknown_084131C4
-	ldr r1, _08148D50 @ =0x06010000
-	bl LZ77UnCompVram
-	ldr r0, _08148D54 @ =gUnknown_08413184
-	b _08148D8E
-	.align 2, 0
-_08148D34: .4byte gUnknown_084121FC
-_08148D38: .4byte gUnknown_084128D8
-_08148D3C: .4byte gUnknown_08412EB4
-_08148D40: .4byte 0x06003000
-_08148D44: .4byte gUnknown_08412818
-_08148D48: .4byte gUnknown_08416B54
-_08148D4C: .4byte gUnknown_084131C4
-_08148D50: .4byte 0x06010000
-_08148D54: .4byte gUnknown_08413184
-_08148D58:
-	ldr r0, _08148DA0 @ =gUnknown_0841221C
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r0, _08148DA4 @ =gUnknown_084128D8
-	movs r1, 0xC0
-	lsls r1, 19
-	bl LZ77UnCompVram
-	ldr r0, _08148DA8 @ =gUnknown_08412EB4
-	ldr r1, _08148DAC @ =0x06003000
-	bl LZ77UnCompVram
-	ldr r0, _08148DB0 @ =gUnknown_08412878
-	movs r1, 0
-	movs r2, 0x60
-	bl LoadPalette
-	ldr r0, _08148DB4 @ =gUnknown_08416B54
-	bl LoadCompressedObjectPic
-	ldr r0, _08148DB8 @ =gUnknown_084131C4
-	ldr r1, _08148DBC @ =0x06010000
-	bl LZ77UnCompVram
-	ldr r0, _08148DC0 @ =gUnknown_084131A4
-_08148D8E:
-	movs r1, 0x80
-	lsls r1, 1
-	movs r2, 0x20
-	bl LoadPalette
-	bl sub_8149248
-	b _08148E58
-	.align 2, 0
-_08148DA0: .4byte gUnknown_0841221C
-_08148DA4: .4byte gUnknown_084128D8
-_08148DA8: .4byte gUnknown_08412EB4
-_08148DAC: .4byte 0x06003000
-_08148DB0: .4byte gUnknown_08412878
-_08148DB4: .4byte gUnknown_08416B54
-_08148DB8: .4byte gUnknown_084131C4
-_08148DBC: .4byte 0x06010000
-_08148DC0: .4byte gUnknown_084131A4
-_08148DC4:
-	ldr r0, _08148E04 @ =gUnknown_0841221C
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r0, _08148E08 @ =gUnknown_08413340
-	movs r1, 0xC0
-	lsls r1, 19
-	bl LZ77UnCompVram
-	ldr r0, _08148E0C @ =gUnknown_084139C8
-	ldr r1, _08148E10 @ =0x06003000
-	bl LZ77UnCompVram
-	ldr r4, _08148E14 @ =gUnknown_08413320
-	adds r0, r4, 0
-	movs r1, 0
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r0, _08148E18 @ =gUnknown_08416BDC
-	bl LoadCompressedObjectPic
-	movs r1, 0x80
-	lsls r1, 1
-	adds r0, r4, 0
-	movs r2, 0x20
-	bl LoadPalette
-	bl sub_8149264
-	b _08148E58
-	.align 2, 0
-_08148E04: .4byte gUnknown_0841221C
-_08148E08: .4byte gUnknown_08413340
-_08148E0C: .4byte gUnknown_084139C8
-_08148E10: .4byte 0x06003000
-_08148E14: .4byte gUnknown_08413320
-_08148E18: .4byte gUnknown_08416BDC
-_08148E1C:
-	ldr r0, _08148E6C @ =gUnknown_0841223C
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r0, _08148E70 @ =gUnknown_08413E78
-	movs r1, 0xC0
-	lsls r1, 19
-	bl LZ77UnCompVram
-	ldr r0, _08148E74 @ =gUnknown_08414084
-	ldr r1, _08148E78 @ =0x06003000
-	bl LZ77UnCompVram
-	ldr r0, _08148E7C @ =gUnknown_08413E38
-	movs r1, 0
-	movs r2, 0x40
-	bl LoadPalette
-	ldr r0, _08148E80 @ =gUnknown_08416C70
-	bl LoadCompressedObjectPic
-	ldr r0, _08148E84 @ =gUnknown_08414064
-	movs r1, 0x80
-	lsls r1, 1
-	movs r2, 0x20
-	bl LoadPalette
-	bl sub_8149280
-_08148E58:
-	ldr r1, _08148E88 @ =gReservedSpritePaletteCount
-	movs r0, 0x8
-	strb r0, [r1]
-	ldr r1, _08148E8C @ =gUnknown_0203935C
-	movs r0, 0
-	strh r0, [r1]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08148E6C: .4byte gUnknown_0841223C
-_08148E70: .4byte gUnknown_08413E78
-_08148E74: .4byte gUnknown_08414084
-_08148E78: .4byte 0x06003000
-_08148E7C: .4byte gUnknown_08413E38
-_08148E80: .4byte gUnknown_08416C70
-_08148E84: .4byte gUnknown_08414064
-_08148E88: .4byte gReservedSpritePaletteCount
-_08148E8C: .4byte gUnknown_0203935C
-	thumb_func_end sub_8148CB0
-
-	thumb_func_start sub_8148E90
-sub_8148E90: @ 8148E90
-	ldr r1, _08148EB4 @ =REG_BG3CNT
-	ldr r2, _08148EB8 @ =0x00000603
-	adds r0, r2, 0
-	strh r0, [r1]
-	subs r1, 0x2
-	adds r2, 0xFF
-	adds r0, r2, 0
-	strh r0, [r1]
-	subs r1, 0x2
-	ldr r2, _08148EBC @ =0x00000f05
-	adds r0, r2, 0
-	strh r0, [r1]
-	subs r1, 0xA
-	movs r2, 0xFA
-	lsls r2, 5
-	adds r0, r2, 0
-	strh r0, [r1]
-	bx lr
-	.align 2, 0
-_08148EB4: .4byte REG_BG3CNT
-_08148EB8: .4byte 0x00000603
-_08148EBC: .4byte 0x00000f05
-	thumb_func_end sub_8148E90
-
-	thumb_func_start sub_8148EC0
-sub_8148EC0: @ 8148EC0
-	push {r4-r6,lr}
-	mov r6, r9
-	mov r5, r8
-	push {r5,r6}
-	sub sp, 0x4
-	adds r5, r0, 0
-	adds r6, r1, 0
-	mov r8, r2
-	lsls r5, 24
-	lsrs r5, 24
-	lsls r6, 16
-	lsrs r6, 16
-	mov r0, r8
-	lsls r0, 16
-	lsrs r0, 16
-	mov r8, r0
-	lsls r3, 16
-	lsrs r3, 16
-	ldr r1, _08148F34 @ =sub_8148F3C
-	mov r9, r1
-	mov r0, r9
-	movs r1, 0
-	str r3, [sp]
-	bl CreateTask
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r1, _08148F38 @ =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	movs r2, 0
-	strh r5, [r0, 0x8]
-	strh r6, [r0, 0xA]
-	strh r2, [r0, 0xC]
-	strh r2, [r0, 0xE]
-	mov r1, r8
-	strh r1, [r0, 0x10]
-	strh r2, [r0, 0x12]
-	strh r2, [r0, 0x14]
-	ldr r3, [sp]
-	strh r3, [r0, 0x16]
-	movs r1, 0x8
-	strh r1, [r0, 0x18]
-	strh r2, [r0, 0x1A]
-	adds r0, r4, 0
-	bl _call_via_r9
-	adds r0, r4, 0
-	add sp, 0x4
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08148F34: .4byte sub_8148F3C
-_08148F38: .4byte gTasks
-	thumb_func_end sub_8148EC0
-
-	thumb_func_start sub_8148F3C
-sub_8148F3C: @ 8148F3C
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r1, _08148FB4 @ =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r3, r0, r1
-	ldrh r0, [r3, 0xA]
-	lsls r4, r0, 16
-	adds r6, r1, 0
-	cmp r4, 0
-	beq _08148F7C
-	movs r1, 0xC
-	ldrsh r0, [r3, r1]
-	lsls r0, 16
-	ldrh r1, [r3, 0xE]
-	adds r2, r0, r1
-	lsrs r0, r4, 12
-	subs r2, r0
-	asrs r1, r2, 16
-	strh r1, [r3, 0xC]
-	strh r2, [r3, 0xE]
-	ldr r0, _08148FB8 @ =REG_BG1HOFS
-	strh r1, [r0]
-	ldr r2, _08148FBC @ =REG_BG1VOFS
-	ldr r1, _08148FC0 @ =gUnknown_02039358
-	ldr r0, _08148FC4 @ =gUnknown_0203935A
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	adds r0, r1
-	strh r0, [r2]
-_08148F7C:
-	ldrh r0, [r3, 0x10]
-	lsls r4, r0, 16
-	cmp r4, 0
-	beq _08148FD8
-	movs r1, 0x12
-	ldrsh r0, [r3, r1]
-	lsls r0, 16
-	ldrh r1, [r3, 0x14]
-	adds r2, r0, r1
-	lsrs r0, r4, 12
-	subs r2, r0
-	asrs r1, r2, 16
-	strh r1, [r3, 0x12]
-	strh r2, [r3, 0x14]
-	ldr r0, _08148FC8 @ =REG_BG2HOFS
-	strh r1, [r0]
-	movs r1, 0x8
-	ldrsh r0, [r3, r1]
-	cmp r0, 0
-	beq _08148FD0
-	ldr r2, _08148FCC @ =REG_BG2VOFS
-	ldr r1, _08148FC0 @ =gUnknown_02039358
-	ldr r0, _08148FC4 @ =gUnknown_0203935A
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	adds r0, r1
-	strh r0, [r2]
-	b _08148FD8
-	.align 2, 0
-_08148FB4: .4byte gTasks
-_08148FB8: .4byte REG_BG1HOFS
-_08148FBC: .4byte REG_BG1VOFS
-_08148FC0: .4byte gUnknown_02039358
-_08148FC4: .4byte gUnknown_0203935A
-_08148FC8: .4byte REG_BG2HOFS
-_08148FCC: .4byte REG_BG2VOFS
-_08148FD0:
-	ldr r0, _08149010 @ =REG_BG2VOFS
-	ldr r1, _08149014 @ =gUnknown_02039358
-	ldrh r1, [r1]
-	strh r1, [r0]
-_08148FD8:
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r3, r0, r6
-	ldrh r0, [r3, 0x16]
-	lsls r4, r0, 16
-	cmp r4, 0
-	beq _08149008
-	movs r1, 0x18
-	ldrsh r0, [r3, r1]
-	lsls r0, 16
-	ldrh r1, [r3, 0x1A]
-	adds r2, r0, r1
-	lsrs r0, r4, 12
-	subs r2, r0
-	asrs r1, r2, 16
-	strh r1, [r3, 0x18]
-	strh r2, [r3, 0x1A]
-	ldr r0, _08149018 @ =REG_BG3HOFS
-	strh r1, [r0]
-	ldr r1, _0814901C @ =REG_BG3VOFS
-	ldr r0, _08149014 @ =gUnknown_02039358
-	ldrh r0, [r0]
-	strh r0, [r1]
-_08149008:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149010: .4byte REG_BG2VOFS
-_08149014: .4byte gUnknown_02039358
-_08149018: .4byte REG_BG3HOFS
-_0814901C: .4byte REG_BG3VOFS
-	thumb_func_end sub_8148F3C
-
-	thumb_func_start sub_8149020
-sub_8149020: @ 8149020
-	push {r4,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08149100
-	cmp r0, 0x1
-	ble _08149034
-	cmp r0, 0x2
-	beq _08149098
-_08149034:
-	ldr r0, _08149060 @ =gMain
-	ldr r2, [r0, 0x20]
-	movs r0, 0x3
-	ands r0, r2
-	cmp r0, 0
-	bne _08149100
-	ldr r0, _08149064 @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08149100
-	movs r0, 0x4
-	ands r2, r0
-	cmp r2, 0
-	beq _0814906C
-	ldr r2, _08149068 @ =gPlttBufferUnfaded
-	ldrh r1, [r2, 0x12]
-	mov r0, sp
-	strh r1, [r0]
-	ldrh r1, [r2, 0x14]
-	b _08149076
-	.align 2, 0
-_08149060: .4byte gMain
-_08149064: .4byte gPaletteFade
-_08149068: .4byte gPlttBufferUnfaded
-_0814906C:
-	ldr r2, _08149094 @ =gPlttBufferUnfaded
-	ldrh r1, [r2, 0x14]
-	mov r0, sp
-	strh r1, [r0]
-	ldrh r1, [r2, 0x12]
-_08149076:
-	adds r0, 0x2
-	strh r1, [r0]
-	adds r4, r0, 0
-	mov r0, sp
-	movs r1, 0x9
-	movs r2, 0x2
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0xA
-	movs r2, 0x2
-	bl LoadPalette
-	b _08149100
-	.align 2, 0
-_08149094: .4byte gPlttBufferUnfaded
-_08149098:
-	ldr r0, _081490C8 @ =gMain
-	ldr r2, [r0, 0x20]
-	movs r0, 0x3
-	ands r0, r2
-	cmp r0, 0
-	bne _08149100
-	ldr r0, _081490CC @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08149100
-	movs r0, 0x4
-	ands r2, r0
-	cmp r2, 0
-	beq _081490D8
-	mov r1, sp
-	ldr r2, _081490D0 @ =0x00003d27
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r1, 0x2
-	ldr r2, _081490D4 @ =0x00000295
-	b _081490E6
-	.align 2, 0
-_081490C8: .4byte gMain
-_081490CC: .4byte gPaletteFade
-_081490D0: .4byte 0x00003d27
-_081490D4: .4byte 0x00000295
-_081490D8:
-	mov r1, sp
-	movs r2, 0xC7
-	lsls r2, 2
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r1, 0x2
-	ldr r2, _08149108 @ =0x00003d27
-_081490E6:
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r4, r1, 0
-	mov r0, sp
-	movs r1, 0xC
-	movs r2, 0x2
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0xD
-	movs r2, 0x2
-	bl LoadPalette
-_08149100:
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149108: .4byte 0x00003d27
-	thumb_func_end sub_8149020
-
-	thumb_func_start sub_814910C
-sub_814910C: @ 814910C
-	push {lr}
-	adds r2, r0, 0
-	ldr r0, _08149124 @ =gUnknown_0203935C
-	movs r1, 0
-	ldrsh r0, [r0, r1]
-	cmp r0, 0
-	beq _08149128
-	adds r0, r2, 0
-	bl DestroySprite
-	b _0814916C
-	.align 2, 0
-_08149124: .4byte gUnknown_0203935C
-_08149128:
-	movs r1, 0x20
-	ldrsh r0, [r2, r1]
-	lsls r0, 16
-	ldrh r1, [r2, 0x32]
-	orrs r0, r1
-	ldrh r1, [r2, 0x30]
-	adds r0, r1
-	asrs r1, r0, 16
-	strh r1, [r2, 0x20]
-	strh r0, [r2, 0x32]
-	cmp r1, 0xFF
-	ble _08149144
-	ldr r0, _08149158 @ =0x0000ffe0
-	strh r0, [r2, 0x20]
-_08149144:
-	movs r1, 0x2E
-	ldrsh r0, [r2, r1]
-	cmp r0, 0
-	beq _08149164
-	ldr r1, _0814915C @ =gUnknown_02039358
-	ldr r0, _08149160 @ =gUnknown_0203935A
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	adds r0, r1
-	b _08149168
-	.align 2, 0
-_08149158: .4byte 0x0000ffe0
-_0814915C: .4byte gUnknown_02039358
-_08149160: .4byte gUnknown_0203935A
-_08149164:
-	ldr r0, _08149170 @ =gUnknown_02039358
-	ldrh r0, [r0]
-_08149168:
-	negs r0, r0
-	strh r0, [r2, 0x26]
-_0814916C:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149170: .4byte gUnknown_02039358
-	thumb_func_end sub_814910C
-
-	thumb_func_start sub_8149174
-sub_8149174: @ 8149174
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0xC
-	str r1, [sp, 0x4]
-	str r2, [sp, 0x8]
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp]
-	lsls r3, 24
-	lsrs r3, 24
-	mov r8, r3
-	movs r7, 0
-	cmp r7, r8
-	bcs _0814922A
-	ldr r0, _0814923C @ =gSprites
-	mov r10, r0
-	movs r2, 0x3F
-	mov r9, r2
-_0814919E:
-	lsls r6, r7, 3
-	ldr r0, [sp, 0x4]
-	adds r6, r0
-	ldrb r1, [r6, 0x1]
-	ldrb r2, [r6, 0x2]
-	ldrb r3, [r6, 0x3]
-	ldr r0, _08149240 @ =gSpriteTemplate_8416B3C
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r5, r0, 4
-	adds r5, r0
-	lsls r5, 2
-	mov r2, r10
-	adds r4, r5, r2
-	ldrb r2, [r6]
-	lsls r1, r2, 26
-	lsrs r1, 30
-	lsrs r2, 6
-	adds r0, r4, 0
-	movs r3, 0
-	bl CalcCenterToCornerVec
-	ldrb r3, [r4, 0x5]
-	movs r0, 0xC
-	orrs r3, r0
-	strb r3, [r4, 0x5]
-	ldrb r1, [r6]
-	lsls r1, 26
-	lsrs r1, 30
-	lsls r1, 6
-	ldrb r2, [r4, 0x1]
-	mov r0, r9
-	ands r0, r2
-	orrs r0, r1
-	strb r0, [r4, 0x1]
-	ldrb r1, [r6]
-	lsrs r1, 6
-	lsls r1, 6
-	ldrb r2, [r4, 0x3]
-	mov r0, r9
-	ands r0, r2
-	orrs r0, r1
-	strb r0, [r4, 0x3]
-	movs r0, 0xF
-	ands r3, r0
-	strb r3, [r4, 0x5]
-	ldr r0, _08149244 @ =gSprites + 0x8
-	adds r5, r0
-	ldr r2, [sp, 0x8]
-	str r2, [r5]
-	ldrb r1, [r6]
-	lsls r1, 28
-	lsrs r1, 28
-	adds r0, r4, 0
-	bl StartSpriteAnim
-	movs r1, 0
-	mov r0, sp
-	ldrh r0, [r0]
-	strh r0, [r4, 0x2E]
-	ldrh r0, [r6, 0x4]
-	strh r0, [r4, 0x30]
-	strh r1, [r4, 0x32]
-	adds r0, r7, 0x1
-	lsls r0, 24
-	lsrs r7, r0, 24
-	cmp r7, r8
-	bcc _0814919E
-_0814922A:
-	add sp, 0xC
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0814923C: .4byte gSprites
-_08149240: .4byte gSpriteTemplate_8416B3C
-_08149244: .4byte gSprites + 0x8
-	thumb_func_end sub_8149174
-
-	thumb_func_start sub_8149248
-sub_8149248: @ 8149248
-	push {lr}
-	ldr r1, _0814925C @ =gUnknown_08416B94
-	ldr r2, _08149260 @ =gSpriteAnimTable_8416B84
-	movs r0, 0
-	movs r3, 0x9
-	bl sub_8149174
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0814925C: .4byte gUnknown_08416B94
-_08149260: .4byte gSpriteAnimTable_8416B84
-	thumb_func_end sub_8149248
-
-	thumb_func_start sub_8149264
-sub_8149264: @ 8149264
-	push {lr}
-	ldr r1, _08149278 @ =gUnknown_08416C10
-	ldr r2, _0814927C @ =gSpriteAnimTable_8416C04
-	movs r0, 0x1
-	movs r3, 0xC
-	bl sub_8149174
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149278: .4byte gUnknown_08416C10
-_0814927C: .4byte gSpriteAnimTable_8416C04
-	thumb_func_end sub_8149264
-
-	thumb_func_start sub_8149280
-sub_8149280: @ 8149280
-	push {lr}
-	ldr r1, _08149294 @ =gUnknown_08416C8C
-	ldr r2, _08149298 @ =gSpriteAnimTable_8416C88
-	movs r0, 0x1
-	movs r3, 0x6
-	bl sub_8149174
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149294: .4byte gUnknown_08416C8C
-_08149298: .4byte gSpriteAnimTable_8416C88
-	thumb_func_end sub_8149280
-
-	thumb_func_start nullsub_82
-nullsub_82: @ 814929C
-	bx lr
-	thumb_func_end nullsub_82
-
-	thumb_func_start sub_81492A0
-sub_81492A0: @ 81492A0
-	push {r4,lr}
-	ldr r4, _0814930C @ =gSprites
-	movs r1, 0x2E
-	ldrsh r2, [r0, r1]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	adds r1, 0x3E
-	ldrb r1, [r1]
-	movs r2, 0x3E
-	adds r2, r0
-	mov r12, r2
-	movs r2, 0x4
-	ands r2, r1
-	mov r1, r12
-	ldrb r3, [r1]
-	movs r1, 0x5
-	negs r1, r1
-	ands r1, r3
-	orrs r1, r2
-	mov r2, r12
-	strb r1, [r2]
-	movs r1, 0x2E
-	ldrsh r2, [r0, r1]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	ldrh r1, [r1, 0x20]
-	strh r1, [r0, 0x20]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	ldrh r1, [r1, 0x22]
-	adds r1, 0x8
-	strh r1, [r0, 0x22]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	ldrh r1, [r1, 0x24]
-	strh r1, [r0, 0x24]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	ldrh r1, [r1, 0x26]
-	strh r1, [r0, 0x26]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0814930C: .4byte gSprites
-	thumb_func_end sub_81492A0
-
-	thumb_func_start intro_create_brendan_sprite
-intro_create_brendan_sprite: @ 8149310
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	adds r4, r1, 0
-	ldr r0, _0814935C @ =gSpriteTemplate_8416CDC
-	lsls r5, 16
-	asrs r5, 16
-	lsls r4, 16
-	asrs r4, 16
-	adds r1, r5, 0
-	adds r2, r4, 0
-	movs r3, 0
-	bl CreateSprite
-	adds r6, r0, 0
-	lsls r6, 24
-	lsrs r6, 24
-	ldr r0, _08149360 @ =gSpriteTemplate_8416D2C
-	adds r4, 0x8
-	lsls r4, 16
-	asrs r4, 16
-	adds r1, r5, 0
-	adds r2, r4, 0
-	movs r3, 0x1
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _08149364 @ =gSprites
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r2
-	strh r6, [r1, 0x2E]
-	adds r0, r6, 0
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0814935C: .4byte gSpriteTemplate_8416CDC
-_08149360: .4byte gSpriteTemplate_8416D2C
-_08149364: .4byte gSprites
-	thumb_func_end intro_create_brendan_sprite
-
-	thumb_func_start intro_create_may_sprite
-intro_create_may_sprite: @ 8149368
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	adds r4, r1, 0
-	ldr r0, _081493B4 @ =gSpriteTemplate_8416CF4
-	lsls r5, 16
-	asrs r5, 16
-	lsls r4, 16
-	asrs r4, 16
-	adds r1, r5, 0
-	adds r2, r4, 0
-	movs r3, 0
-	bl CreateSprite
-	adds r6, r0, 0
-	lsls r6, 24
-	lsrs r6, 24
-	ldr r0, _081493B8 @ =gSpriteTemplate_8416D44
-	adds r4, 0x8
-	lsls r4, 16
-	asrs r4, 16
-	adds r1, r5, 0
-	adds r2, r4, 0
-	movs r3, 0x1
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _081493BC @ =gSprites
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r2
-	strh r6, [r1, 0x2E]
-	adds r0, r6, 0
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_081493B4: .4byte gSpriteTemplate_8416CF4
-_081493B8: .4byte gSpriteTemplate_8416D44
-_081493BC: .4byte gSprites
-	thumb_func_end intro_create_may_sprite
-
-	thumb_func_start nullsub_83
-nullsub_83: @ 81493C0
-	bx lr
-	thumb_func_end nullsub_83
-
-	thumb_func_start sub_81493C4
-sub_81493C4: @ 81493C4
-	push {r4,lr}
-	ldr r4, _08149420 @ =gSprites
-	movs r1, 0x2E
-	ldrsh r2, [r0, r1]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	adds r1, 0x3E
-	ldrb r1, [r1]
-	movs r2, 0x3E
-	adds r2, r0
-	mov r12, r2
-	movs r2, 0x4
-	ands r2, r1
-	mov r1, r12
-	ldrb r3, [r1]
-	movs r1, 0x5
-	negs r1, r1
-	ands r1, r3
-	orrs r1, r2
-	mov r2, r12
-	strb r1, [r2]
-	movs r1, 0x2E
-	ldrsh r2, [r0, r1]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	ldrh r1, [r1, 0x22]
-	strh r1, [r0, 0x22]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	ldrh r1, [r1, 0x24]
-	strh r1, [r0, 0x24]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	ldrh r1, [r1, 0x26]
-	strh r1, [r0, 0x26]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149420: .4byte gSprites
-	thumb_func_end sub_81493C4
-
-	thumb_func_start intro_create_latios_sprite
-intro_create_latios_sprite: @ 8149424
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	adds r2, r0, 0
-	adds r5, r1, 0
-	ldr r0, _08149490 @ =gSpriteTemplate_8416D7C
-	mov r8, r0
-	lsls r2, 16
-	asrs r4, r2, 16
-	ldr r0, _08149494 @ =0xffe00000
-	adds r2, r0
-	asrs r2, 16
-	lsls r5, 16
-	asrs r5, 16
-	mov r0, r8
-	adds r1, r2, 0
-	adds r2, r5, 0
-	movs r3, 0x2
-	bl CreateSprite
-	adds r6, r0, 0
-	lsls r6, 24
-	lsrs r6, 24
-	adds r4, 0x20
-	lsls r4, 16
-	asrs r4, 16
-	mov r0, r8
-	adds r1, r4, 0
-	adds r2, r5, 0
-	movs r3, 0x2
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r5, _08149498 @ =gSprites
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	adds r0, r4, r5
-	strh r6, [r0, 0x2E]
-	movs r1, 0x1
-	bl StartSpriteAnim
-	adds r5, 0x1C
-	adds r4, r5
-	ldr r0, _0814949C @ =sub_81493C4
-	str r0, [r4]
-	adds r0, r6, 0
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08149490: .4byte gSpriteTemplate_8416D7C
-_08149494: .4byte 0xffe00000
-_08149498: .4byte gSprites
-_0814949C: .4byte sub_81493C4
-	thumb_func_end intro_create_latios_sprite
-
-	thumb_func_start intro_create_latias_sprite
-intro_create_latias_sprite: @ 81494A0
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	adds r2, r0, 0
-	adds r5, r1, 0
-	ldr r0, _0814950C @ =gSpriteTemplate_8416D94
-	mov r8, r0
-	lsls r2, 16
-	asrs r4, r2, 16
-	ldr r0, _08149510 @ =0xffe00000
-	adds r2, r0
-	asrs r2, 16
-	lsls r5, 16
-	asrs r5, 16
-	mov r0, r8
-	adds r1, r2, 0
-	adds r2, r5, 0
-	movs r3, 0x2
-	bl CreateSprite
-	adds r6, r0, 0
-	lsls r6, 24
-	lsrs r6, 24
-	adds r4, 0x20
-	lsls r4, 16
-	asrs r4, 16
-	mov r0, r8
-	adds r1, r4, 0
-	adds r2, r5, 0
-	movs r3, 0x2
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r5, _08149514 @ =gSprites
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	adds r0, r4, r5
-	strh r6, [r0, 0x2E]
-	movs r1, 0x1
-	bl StartSpriteAnim
-	adds r5, 0x1C
-	adds r4, r5
-	ldr r0, _08149518 @ =sub_81493C4
-	str r0, [r4]
-	adds r0, r6, 0
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0814950C: .4byte gSpriteTemplate_8416D94
-_08149510: .4byte 0xffe00000
-_08149514: .4byte gSprites
-_08149518: .4byte sub_81493C4
-	thumb_func_end intro_create_latias_sprite
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/data/intro_credits_graphics.s b/data/intro_credits_graphics.s
index 82931f6ee..8c096e1cd 100644
--- a/data/intro_credits_graphics.s
+++ b/data/intro_credits_graphics.s
@@ -338,11 +338,11 @@ gSpriteAnimTable_8416D28:: @ 8416D28
 	.4byte gSpriteAnim_8416D14
 
 	.align 2
-gSpriteTemplate_8416D2C:: @ 8416D2C
+gSpriteTemplate_Brendan:: @ 8416D2C
 	spr_template 1001, 1002, gOamData_8416D0C, gSpriteAnimTable_8416D28, NULL, gDummySpriteAffineAnimTable, sub_81492A0
 
 	.align 2
-gSpriteTemplate_8416D44:: @ 8416D44
+gSpriteTemplate_May:: @ 8416D44
 	spr_template 1001, 1003, gOamData_8416D0C, gSpriteAnimTable_8416D28, NULL, gDummySpriteAffineAnimTable, sub_81492A0
 
 	.align 2
diff --git a/include/intro_credits_graphics.h b/include/intro_credits_graphics.h
index 5abb2381b..2718d2f9f 100644
--- a/include/intro_credits_graphics.h
+++ b/include/intro_credits_graphics.h
@@ -10,15 +10,16 @@ extern const struct SpritePalette gIntro2SpritePalettes[];
 extern const struct CompressedSpriteSheet gUnknown_08416E24;
 extern const struct CompressedSpriteSheet gUnknown_08416E34;
 
-void load_intro_part2_graphics(/*TODO: arg types*/);
-void sub_8148C78(/*TODO: arg types*/);
+void load_intro_part2_graphics(u8 a);
+void sub_8148C78(u8 a);
 void sub_8148CB0(u8);
 void sub_8148E90(u8);
-u8 sub_8148EC0(/*TODO: arg types*/);
-void sub_8149020(/*TODO: arg types*/);
-u8 intro_create_brendan_sprite(/*TODO: arg types*/);
-u8 intro_create_may_sprite(/*TODO: arg types*/);
-u8 intro_create_latios_sprite(/*TODO: arg types*/);
-u8 intro_create_latias_sprite(/*TODO: arg types*/);
+u8 sub_8148EC0(u8 a, u16 b, u16 c, u16 d);
+void sub_8148F3C(u8);
+void sub_8149020(u8);
+u8 intro_create_brendan_sprite(s16 a, s16 b);
+u8 intro_create_may_sprite(s16 a, s16 b);
+u8 intro_create_latios_sprite(s16 a, s16 b);
+u8 intro_create_latias_sprite(s16 a, s16 b);
 
 #endif // GUARD_INTRO_CREDITS_GRAPHICS_H
diff --git a/ld_script.txt b/ld_script.txt
index a0054668e..babcf5861 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -265,7 +265,7 @@ SECTIONS {
         src/braille_puzzles.o(.text);
         asm/pokeblock_feed.o(.text);
         src/clear_save_data_menu.o(.text);
-        asm/intro_credits_graphics.o(.text);
+        src/intro_credits_graphics.o(.text);
         asm/evolution_graphics.o(.text);
         src/bard_music.o(.text);
         src/fldeff_teleport.o(.text);
diff --git a/src/intro_credits_graphics.c b/src/intro_credits_graphics.c
new file mode 100755
index 000000000..cd0589af8
--- /dev/null
+++ b/src/intro_credits_graphics.c
@@ -0,0 +1,532 @@
+#include "global.h"
+#include "gba/m4a_internal.h"
+#include "intro.h"
+#include "data2.h"
+#include "decompress.h"
+#include "hall_of_fame.h"
+#include "intro_credits_graphics.h"
+#include "libgncmultiboot.h"
+#include "link.h"
+#include "m4a.h"
+#include "main.h"
+#include "new_game.h"
+#include "palette.h"
+#include "rng.h"
+#include "save.h"
+#include "songs.h"
+#include "sound.h"
+#include "species.h"
+#include "task.h"
+#include "title_screen.h"
+#include "trig.h"
+#include "unknown_task.h"
+
+// define register constants for the inline asm
+asm(".include \"constants/gba_constants.inc\"\n");
+
+struct UnknownStruct1
+{
+    u8 var0_0:4;
+    u8 var0_4:2;
+    u8 var0_6:2;
+    u8 var1;
+    u8 var2;
+    u8 var3;
+    u16 var4;
+};
+
+extern u8 gUnknown_0841225C;
+extern u8 gUnknown_084126DC;
+extern u8 gUnknown_084121FC;
+extern u8 gUnknown_084128D8;
+extern u8 gUnknown_08412EB4;
+extern u8 gUnknown_08412818;
+extern u8 gUnknown_08413184;
+extern u8 gUnknown_08413340;
+extern u8 gUnknown_084139C8;
+extern u8 gUnknown_08413300;
+extern u8 gUnknown_08413CCC;
+
+extern const struct SpriteTemplate gSpriteTemplate_8416B3C;
+const extern struct CompressedSpriteSheet gUnknown_08416B54;
+const extern struct CompressedSpriteSheet gUnknown_08416BDC;
+
+extern u16 gUnknown_02039358;
+extern s16 gUnknown_0203935A;
+extern s16 gUnknown_0203935C;
+extern u8 gReservedSpritePaletteCount;
+
+void sub_8149248();
+void sub_8149264();
+
+void load_intro_part2_graphics(u8 a)
+{
+    LZ77UnCompVram(&gUnknown_0841225C, (void *)(VRAM + 0x4000));
+    LZ77UnCompVram(&gUnknown_084126DC, (void *)(VRAM + 0x7800));
+    LoadPalette(&gUnknown_084121FC, 240, 32);
+    switch (a)
+    {
+    case 0:
+    default:
+        LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08412818, 0, 96);
+        LoadCompressedObjectPic(&gUnknown_08416B54);
+        LoadPalette(&gUnknown_08413184, 256, 32);
+        sub_8149248();
+        break;
+    case 1:
+        LZ77UnCompVram(&gUnknown_08413340, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_084139C8, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08413300, 0, 32);
+        LoadCompressedObjectPic(&gUnknown_08416BDC);
+        LoadPalette(&gUnknown_08413CCC, 256, 32);
+        sub_8149264();
+        break;
+    }
+    gUnknown_0203935C = 0;
+    gReservedSpritePaletteCount = 8;
+}
+
+void sub_8148C78(u8 a)
+{
+    if (a == 1)
+    {
+        REG_BG3CNT = 0x603;
+        REG_BG2CNT = 0x702;
+        REG_BG1CNT = 0xF05;
+        REG_DISPCNT = 0x1E40;
+    }
+    else
+    {
+        REG_BG3CNT = 0x603;
+        REG_BG2CNT = 0x702;
+        REG_BG1CNT = 0xF05;
+        REG_DISPCNT = 0x1E40;
+    }
+}
+
+extern u8 gUnknown_084131C4;
+extern u8 gUnknown_084131A4;
+extern u8 gUnknown_0841221C;
+extern u8 gUnknown_08412878;
+extern u8 gUnknown_08413320;
+extern u8 gUnknown_0841223C;
+extern u8 gUnknown_08413E78;
+extern u8 gUnknown_08414084;
+extern u8 gUnknown_08413E38;
+const extern struct CompressedSpriteSheet gUnknown_08416C70;
+extern u8 gUnknown_08414064;
+extern struct UnknownStruct1 gUnknown_08416B94;
+extern struct UnknownStruct1 gUnknown_08416C10;
+extern struct UnknownStruct1 gUnknown_08416C8C;
+const extern union AnimCmd *const gSpriteAnimTable_8416B84;
+const extern union AnimCmd *const gSpriteAnimTable_8416C04;
+const extern union AnimCmd *const gSpriteAnimTable_8416C88;
+const extern struct SpriteTemplate gSpriteTemplate_8416CDC;
+const extern struct SpriteTemplate gSpriteTemplate_Brendan;
+const extern struct SpriteTemplate gSpriteTemplate_8416CF4;
+const extern struct SpriteTemplate gSpriteTemplate_May;
+const extern struct SpriteTemplate gSpriteTemplate_8416D7C;
+const extern struct SpriteTemplate gSpriteTemplate_8416D94;
+
+void sub_8149280();
+
+void sub_8148CB0(u8 a)
+{
+    LZ77UnCompVram(&gUnknown_0841225C, (void *)(VRAM + 0x4000));
+    LZ77UnCompVram(&gUnknown_084126DC, (void *)(VRAM + 0x7800));
+    switch (a)
+    {
+    case 0:
+    default:
+        LoadPalette(&gUnknown_084121FC, 240, 32);
+        LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08412818, 0, 96);
+        LoadCompressedObjectPic(&gUnknown_08416B54);
+        LZ77UnCompVram(&gUnknown_084131C4, (void *)(VRAM + 0x10000));
+        LoadPalette(&gUnknown_08413184, 256, 32);
+        sub_8149248();
+        break;
+    case 1:
+        LoadPalette(&gUnknown_0841221C, 240, 32);
+        LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08412878, 0, 96);
+        LoadCompressedObjectPic(&gUnknown_08416B54);
+        LZ77UnCompVram(&gUnknown_084131C4, (void *)(VRAM + 0x10000));
+        LoadPalette(&gUnknown_084131A4, 256, 32);
+        sub_8149248();
+        break;
+    case 2:
+    case 3:
+        LoadPalette(&gUnknown_0841221C, 240, 32);
+        LZ77UnCompVram(&gUnknown_08413340, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_084139C8, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08413320, 0, 32);
+        LoadCompressedObjectPic(&gUnknown_08416BDC);
+        LoadPalette(&gUnknown_08413320, 256, 32);
+        sub_8149264();
+        break;
+    case 4:
+        LoadPalette(&gUnknown_0841223C, 240, 32);
+        LZ77UnCompVram(&gUnknown_08413E78, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_08414084, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08413E38, 0, 64);
+        LoadCompressedObjectPic(&gUnknown_08416C70);
+        LoadPalette(&gUnknown_08414064, 256, 32);
+        sub_8149280();
+        break;
+    }
+    gReservedSpritePaletteCount = 8;
+    gUnknown_0203935C = 0;
+}
+
+void sub_8148E90(u8 a)
+{
+    REG_BG3CNT = 0x603;
+    REG_BG2CNT = 0x702;
+    REG_BG1CNT = 0xF05;
+    REG_DISPCNT = 0x1F40;
+}
+
+u8 sub_8148EC0(u8 a, u16 b, u16 c, u16 d)
+{
+    u8 taskId = CreateTask(&sub_8148F3C, 0);
+
+    gTasks[taskId].data[0] = a;
+    gTasks[taskId].data[1] = b;
+    gTasks[taskId].data[2] = 0;
+    gTasks[taskId].data[3] = 0;
+    gTasks[taskId].data[4] = c;
+    gTasks[taskId].data[5] = 0;
+    gTasks[taskId].data[6] = 0;
+    gTasks[taskId].data[7] = d;
+    gTasks[taskId].data[8] = 8;
+    gTasks[taskId].data[9] = 0;
+    sub_8148F3C(taskId);
+    return taskId;
+}
+
+#ifdef NONMATCHING
+void sub_8148F3C(u8 taskId)
+{
+    register u32 r4 asm("r4");
+    s32 r2;
+
+    r4 = (u16)gTasks[taskId].data[1] << 16;
+    if (r4 != 0)
+    {
+        r2 = (gTasks[taskId].data[2] << 16) + (u16)gTasks[taskId].data[3] - (r4 >> 12);
+        gTasks[taskId].data[2] = r2 >> 16;
+        gTasks[taskId].data[3] = r2;
+        REG_BG1HOFS = gTasks[taskId].data[2];
+        REG_BG1VOFS = gUnknown_0203935A + gUnknown_02039358;
+    }
+
+    r4 = (u16)gTasks[taskId].data[4] << 16;
+    if (r4 != 0)
+    {
+        r2 = (gTasks[taskId].data[5] << 16) + (u16)gTasks[taskId].data[6] - (r4 >> 12);
+        gTasks[taskId].data[5] = r2 >> 16;
+        gTasks[taskId].data[3] = r2;
+        REG_BG2HOFS = gTasks[taskId].data[5];
+        if (gTasks[taskId].data[0] != 0)
+            REG_BG2VOFS = gUnknown_0203935A + gUnknown_02039358;
+        else
+            REG_BG2VOFS = gUnknown_02039358;
+    }
+
+    r4 = (u16)gTasks[taskId].data[7] << 16;
+    if (r4 != 0)
+    {
+        r2 = (gTasks[taskId].data[8] << 16) + (u16)gTasks[taskId].data[9] - (r4 >> 12);;
+        gTasks[taskId].data[8] = r2 >> 16;
+        gTasks[taskId].data[9] = r2;
+        REG_BG3HOFS = gTasks[taskId].data[8];
+        REG_BG3VOFS = gUnknown_02039358;
+    }
+}
+#else
+__attribute__((naked))
+void sub_8148F3C(u8 taskId)
+{
+    asm(".syntax unified\n\
+    push {r4-r6,lr}\n\
+    lsls r0, 24\n\
+    lsrs r5, r0, 24\n\
+    ldr r1, _08148FB4 @ =gTasks\n\
+    lsls r0, r5, 2\n\
+    adds r0, r5\n\
+    lsls r0, 3\n\
+    adds r3, r0, r1\n\
+    ldrh r0, [r3, 0xA]\n\
+    lsls r4, r0, 16\n\
+    adds r6, r1, 0\n\
+    cmp r4, 0\n\
+    beq _08148F7C\n\
+    movs r1, 0xC\n\
+    ldrsh r0, [r3, r1]\n\
+    lsls r0, 16\n\
+    ldrh r1, [r3, 0xE]\n\
+    adds r2, r0, r1\n\
+    lsrs r0, r4, 12\n\
+    subs r2, r0\n\
+    asrs r1, r2, 16\n\
+    strh r1, [r3, 0xC]\n\
+    strh r2, [r3, 0xE]\n\
+    ldr r0, _08148FB8 @ =REG_BG1HOFS\n\
+    strh r1, [r0]\n\
+    ldr r2, _08148FBC @ =REG_BG1VOFS\n\
+    ldr r1, _08148FC0 @ =gUnknown_02039358\n\
+    ldr r0, _08148FC4 @ =gUnknown_0203935A\n\
+    ldrh r0, [r0]\n\
+    ldrh r1, [r1]\n\
+    adds r0, r1\n\
+    strh r0, [r2]\n\
+_08148F7C:\n\
+    ldrh r0, [r3, 0x10]\n\
+    lsls r4, r0, 16\n\
+    cmp r4, 0\n\
+    beq _08148FD8\n\
+    movs r1, 0x12\n\
+    ldrsh r0, [r3, r1]\n\
+    lsls r0, 16\n\
+    ldrh r1, [r3, 0x14]\n\
+    adds r2, r0, r1\n\
+    lsrs r0, r4, 12\n\
+    subs r2, r0\n\
+    asrs r1, r2, 16\n\
+    strh r1, [r3, 0x12]\n\
+    strh r2, [r3, 0x14]\n\
+    ldr r0, _08148FC8 @ =REG_BG2HOFS\n\
+    strh r1, [r0]\n\
+    movs r1, 0x8\n\
+    ldrsh r0, [r3, r1]\n\
+    cmp r0, 0\n\
+    beq _08148FD0\n\
+    ldr r2, _08148FCC @ =REG_BG2VOFS\n\
+    ldr r1, _08148FC0 @ =gUnknown_02039358\n\
+    ldr r0, _08148FC4 @ =gUnknown_0203935A\n\
+    ldrh r0, [r0]\n\
+    ldrh r1, [r1]\n\
+    adds r0, r1\n\
+    strh r0, [r2]\n\
+    b _08148FD8\n\
+    .align 2, 0\n\
+_08148FB4: .4byte gTasks\n\
+_08148FB8: .4byte REG_BG1HOFS\n\
+_08148FBC: .4byte REG_BG1VOFS\n\
+_08148FC0: .4byte gUnknown_02039358\n\
+_08148FC4: .4byte gUnknown_0203935A\n\
+_08148FC8: .4byte REG_BG2HOFS\n\
+_08148FCC: .4byte REG_BG2VOFS\n\
+_08148FD0:\n\
+    ldr r0, _08149010 @ =REG_BG2VOFS\n\
+    ldr r1, _08149014 @ =gUnknown_02039358\n\
+    ldrh r1, [r1]\n\
+    strh r1, [r0]\n\
+_08148FD8:\n\
+    lsls r0, r5, 2\n\
+    adds r0, r5\n\
+    lsls r0, 3\n\
+    adds r3, r0, r6\n\
+    ldrh r0, [r3, 0x16]\n\
+    lsls r4, r0, 16\n\
+    cmp r4, 0\n\
+    beq _08149008\n\
+    movs r1, 0x18\n\
+    ldrsh r0, [r3, r1]\n\
+    lsls r0, 16\n\
+    ldrh r1, [r3, 0x1A]\n\
+    adds r2, r0, r1\n\
+    lsrs r0, r4, 12\n\
+    subs r2, r0\n\
+    asrs r1, r2, 16\n\
+    strh r1, [r3, 0x18]\n\
+    strh r2, [r3, 0x1A]\n\
+    ldr r0, _08149018 @ =REG_BG3HOFS\n\
+    strh r1, [r0]\n\
+    ldr r1, _0814901C @ =REG_BG3VOFS\n\
+    ldr r0, _08149014 @ =gUnknown_02039358\n\
+    ldrh r0, [r0]\n\
+    strh r0, [r1]\n\
+_08149008:\n\
+    pop {r4-r6}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .align 2, 0\n\
+_08149010: .4byte REG_BG2VOFS\n\
+_08149014: .4byte gUnknown_02039358\n\
+_08149018: .4byte REG_BG3HOFS\n\
+_0814901C: .4byte REG_BG3VOFS\n\
+    .syntax divided\n");
+}
+#endif
+
+void sub_8149020(u8 mode)
+{
+    u16 var1;
+    u16 var2;
+    switch (mode)
+    {
+        case 0:
+        default:
+            /* stuff */
+            if (gMain.vblankCounter1 & 3 || gPaletteFade.active) 
+                break;
+            if (gMain.vblankCounter1 & 4)
+            {
+                var1 = gPlttBufferUnfaded[9];
+                var2 = gPlttBufferUnfaded[10];
+            }
+            else
+            {
+                var1 = gPlttBufferUnfaded[10];
+                var2 = gPlttBufferUnfaded[9];
+            }
+            LoadPalette(&var1, 9, 2);
+            LoadPalette(&var2, 10, 2);
+            break;
+        case 2:
+            if (gMain.vblankCounter1 & 3 || gPaletteFade.active) 
+                break;
+            if (gMain.vblankCounter1 & 4)
+            {
+                var1 = 0x3D27;
+                var2 = 0x295;
+            }
+            else
+            {
+                var1 = 0x31C;
+                var2 = 0x3D27;
+            }
+            LoadPalette(&var1, 12, 2);
+            LoadPalette(&var2, 13, 2);
+            break;
+        case 1:
+            break;
+    }
+}
+
+void sub_814910C(struct Sprite *sprite)
+{
+    if (gUnknown_0203935C)
+    {
+        DestroySprite(sprite);
+    }
+    else
+    {
+        s32 var = ((sprite->pos1.x << 16) | (u16)sprite->data2) + (u16)sprite->data1;
+        sprite->pos1.x = var >> 16;
+        sprite->data2 = var;
+        if (sprite->pos1.x > 255) sprite->pos1.x = 0xFFE0;
+        if (sprite->data0)
+        {
+            sprite->pos2.y = -(gUnknown_02039358 + gUnknown_0203935A);
+        }
+        else
+        {
+            sprite->pos2.y = -gUnknown_02039358;
+        }
+    }
+}
+
+void sub_8149174(u8 a, struct UnknownStruct1 *b, const union AnimCmd *const *c, u8 d)
+{
+    u8 i;
+
+    for(i = 0; i < d; i++)
+    {
+        u8 sprite = CreateSprite(&gSpriteTemplate_8416B3C, b[i].var1, b[i].var2, b[i].var3);
+        CalcCenterToCornerVec(&gSprites[sprite], b[i].var0_4, b[i].var0_6, 0);
+        gSprites[sprite].oam.priority = 3;
+        gSprites[sprite].oam.shape = b[i].var0_4;
+        gSprites[sprite].oam.size = b[i].var0_6;
+        gSprites[sprite].oam.paletteNum = 0;
+        gSprites[sprite].anims = c;
+        StartSpriteAnim(&gSprites[sprite], b[i].var0_0);
+        gSprites[sprite].data0 = a;
+        gSprites[sprite].data1 = b[i].var4;
+        gSprites[sprite].data2 = 0;
+    }
+}
+
+void sub_8149248()
+{
+    sub_8149174(0, &gUnknown_08416B94, &gSpriteAnimTable_8416B84, 9);
+}
+
+void sub_8149264()
+{
+    sub_8149174(1, &gUnknown_08416C10, &gSpriteAnimTable_8416C04, 12);
+}
+
+void sub_8149280()
+{
+    sub_8149174(1, &gUnknown_08416C8C, &gSpriteAnimTable_8416C88, 6);
+}
+
+void nullsub_82()
+{
+}
+
+void sub_81492A0(struct Sprite* sprite)
+{
+    sprite->invisible = gSprites[sprite->data0].invisible;
+    sprite->pos1.x = gSprites[sprite->data0].pos1.x;
+    sprite->pos1.y = gSprites[sprite->data0].pos1.y + 8;
+    sprite->pos2.x = gSprites[sprite->data0].pos2.x;
+    sprite->pos2.y = gSprites[sprite->data0].pos2.y;
+}
+
+
+
+u8 intro_create_brendan_sprite(s16 a, s16 b)
+{
+    u8 sprite = CreateSprite(&gSpriteTemplate_8416CDC, a, b, 0);
+    u8 brendan = CreateSprite(&gSpriteTemplate_Brendan, a, b + 8, 1);
+    gSprites[brendan].data0 = sprite;
+    return sprite;
+}
+
+u8 intro_create_may_sprite(s16 a, s16 b)
+{
+    u8 sprite = CreateSprite(&gSpriteTemplate_8416CF4, a, b, 0);
+    u8 may = CreateSprite(&gSpriteTemplate_May, a, b + 8, 1);
+    gSprites[may].data0 = sprite;
+    return sprite;
+}
+
+void nullsub_83()
+{
+}
+
+void sub_81493C4(struct Sprite* sprite)
+{
+    sprite->invisible = gSprites[sprite->data0].invisible;
+    sprite->pos1.y = gSprites[sprite->data0].pos1.y;
+    sprite->pos2.x = gSprites[sprite->data0].pos2.x;
+    sprite->pos2.y = gSprites[sprite->data0].pos2.y;
+}
+
+u8 intro_create_latios_sprite(s16 a, s16 b)
+{
+    u8 sprite = CreateSprite(&gSpriteTemplate_8416D7C, a - 32, b, 2);
+    u8 latios = CreateSprite(&gSpriteTemplate_8416D7C, a + 32, b, 2);
+    gSprites[latios].data0 = sprite;
+    StartSpriteAnim(&gSprites[latios], 1);
+    gSprites[latios].callback = &sub_81493C4;
+    return sprite;
+}
+
+u8 intro_create_latias_sprite(s16 a, s16 b)
+{
+    u8 sprite = CreateSprite(&gSpriteTemplate_8416D94, a - 32, b, 2);
+    u8 latios = CreateSprite(&gSpriteTemplate_8416D94, a + 32, b, 2);
+    gSprites[latios].data0 = sprite;
+    StartSpriteAnim(&gSprites[latios], 1);
+    gSprites[latios].callback = &sub_81493C4;
+    return sprite;
+}