crazy vram shaenigans

3 files changed, 464 insertions, 999 deletions

diff --git a/asm/battle_transition.s b/asm/battle_transition.s
index 1fc26d5e7..0a1a71d7d 100644
--- a/asm/battle_transition.s
+++ b/asm/battle_transition.s
@@ -8,978 +8,8 @@
 
 
 
-	thumb_func_start Phase2_Transition3_Func3
-Phase2_Transition3_Func3: @ 811B268
-	push {r4,lr}
-	sub sp, 0x8
-	adds r2, r0, 0
-	ldr r1, _0811B2E8 @ =0x0200c000
-	ldrb r0, [r1]
-	movs r0, 0
-	strb r0, [r1]
-	ldrh r3, [r2, 0xE]
-	movs r4, 0xE
-	ldrsh r0, [r2, r4]
-	adds r4, r1, 0
-	cmp r0, 0
-	beq _0811B28C
-	subs r0, r3, 0x1
-	strh r0, [r2, 0xE]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0811B296
-_0811B28C:
-	ldrh r0, [r2, 0xC]
-	adds r0, 0x1
-	strh r0, [r2, 0xC]
-	movs r0, 0x2
-	strh r0, [r2, 0xE]
-_0811B296:
-	ldrh r0, [r2, 0xA]
-	lsls r0, 8
-	ldrh r1, [r2, 0xC]
-	orrs r0, r1
-	strh r0, [r4, 0x10]
-	lsls r1, 16
-	asrs r1, 16
-	cmp r1, 0xF
-	ble _0811B2AE
-	ldrh r0, [r2, 0x8]
-	adds r0, 0x1
-	strh r0, [r2, 0x8]
-_0811B2AE:
-	ldrh r0, [r2, 0x10]
-	adds r0, 0x8
-	strh r0, [r2, 0x10]
-	ldr r0, _0811B2EC @ =0xffffff00
-	adds r1, r0, 0
-	ldrh r3, [r2, 0x12]
-	adds r1, r3
-	strh r1, [r2, 0x12]
-	ldr r0, _0811B2F0 @ =gUnknown_03004DE0
-	movs r3, 0x10
-	ldrsh r2, [r2, r3]
-	lsls r1, 16
-	asrs r1, 24
-	str r1, [sp]
-	movs r1, 0xA0
-	str r1, [sp, 0x4]
-	movs r1, 0
-	movs r3, 0x84
-	bl sub_811D6E8
-	ldrb r0, [r4]
-	adds r0, 0x1
-	ldrb r1, [r4]
-	strb r0, [r4]
-	movs r0, 0
-	add sp, 0x8
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B2E8: .4byte 0x0200c000
-_0811B2EC: .4byte 0xffffff00
-_0811B2F0: .4byte gUnknown_03004DE0
-	thumb_func_end Phase2_Transition3_Func3
-
-	thumb_func_start Phase2_Transition3_Func4
-Phase2_Transition3_Func4: @ 811B2F4
-	push {r4,r5,lr}
-	sub sp, 0x8
-	adds r3, r0, 0
-	ldr r1, _0811B374 @ =0x0200c000
-	ldrb r0, [r1]
-	movs r0, 0
-	strb r0, [r1]
-	ldrh r2, [r3, 0xE]
-	movs r4, 0xE
-	ldrsh r0, [r3, r4]
-	adds r4, r1, 0
-	cmp r0, 0
-	beq _0811B318
-	subs r0, r2, 0x1
-	strh r0, [r3, 0xE]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0811B322
-_0811B318:
-	ldrh r0, [r3, 0xA]
-	subs r0, 0x1
-	strh r0, [r3, 0xA]
-	movs r0, 0x2
-	strh r0, [r3, 0xE]
-_0811B322:
-	ldrh r0, [r3, 0xA]
-	lsls r1, r0, 8
-	ldrh r2, [r3, 0xC]
-	orrs r1, r2
-	strh r1, [r4, 0x10]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0811B338
-	ldrh r0, [r3, 0x8]
-	adds r0, 0x1
-	strh r0, [r3, 0x8]
-_0811B338:
-	ldrh r0, [r3, 0x10]
-	adds r0, 0x8
-	strh r0, [r3, 0x10]
-	ldr r5, _0811B378 @ =0xffffff00
-	adds r1, r5, 0
-	ldrh r0, [r3, 0x12]
-	adds r1, r0
-	strh r1, [r3, 0x12]
-	ldr r0, _0811B37C @ =gUnknown_03004DE0
-	movs r5, 0x10
-	ldrsh r2, [r3, r5]
-	lsls r1, 16
-	asrs r1, 24
-	str r1, [sp]
-	movs r1, 0xA0
-	str r1, [sp, 0x4]
-	movs r1, 0
-	movs r3, 0x84
-	bl sub_811D6E8
-	ldrb r0, [r4]
-	adds r0, 0x1
-	ldrb r1, [r4]
-	strb r0, [r4]
-	movs r0, 0
-	add sp, 0x8
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B374: .4byte 0x0200c000
-_0811B378: .4byte 0xffffff00
-_0811B37C: .4byte gUnknown_03004DE0
-	thumb_func_end Phase2_Transition3_Func4
-
-	thumb_func_start Phase2_Transition3_Func5
-Phase2_Transition3_Func5: @ 811B380
-	push {r4-r7,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	ldr r5, _0811B3E0 @ =0x0200c000
-	ldrb r0, [r5]
-	movs r7, 0
-	strb r7, [r5]
-	ldrh r0, [r4, 0x10]
-	adds r0, 0x8
-	strh r0, [r4, 0x10]
-	ldr r0, _0811B3E4 @ =0xffffff00
-	adds r1, r0, 0
-	ldrh r3, [r4, 0x12]
-	adds r1, r3
-	strh r1, [r4, 0x12]
-	ldr r0, _0811B3E8 @ =gUnknown_03004DE0
-	movs r3, 0x10
-	ldrsh r2, [r4, r3]
-	lsls r1, 16
-	asrs r1, 24
-	str r1, [sp]
-	movs r6, 0xA0
-	str r6, [sp, 0x4]
-	movs r1, 0
-	movs r3, 0x84
-	bl sub_811D6E8
-	movs r1, 0x12
-	ldrsh r0, [r4, r1]
-	cmp r0, 0
-	bgt _0811B3CE
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-	strh r6, [r4, 0xA]
-	movs r0, 0x80
-	lsls r0, 1
-	strh r0, [r4, 0xC]
-	strh r7, [r4, 0xE]
-_0811B3CE:
-	ldrb r0, [r5]
-	adds r0, 0x1
-	ldrb r1, [r5]
-	strb r0, [r5]
-	movs r0, 0
-	add sp, 0x8
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B3E0: .4byte 0x0200c000
-_0811B3E4: .4byte 0xffffff00
-_0811B3E8: .4byte gUnknown_03004DE0
-	thumb_func_end Phase2_Transition3_Func5
-
-	thumb_func_start Phase2_Transition3_Func6
-Phase2_Transition3_Func6: @ 811B3EC
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, _0811B488 @ =0x0200c000
-	ldrb r1, [r0]
-	movs r3, 0
-	strb r3, [r0]
-	ldrh r2, [r4, 0xC]
-	movs r0, 0xC
-	ldrsh r1, [r4, r0]
-	ldr r0, _0811B48C @ =0x000003ff
-	cmp r1, r0
-	bgt _0811B40A
-	adds r0, r2, 0
-	adds r0, 0x80
-	strh r0, [r4, 0xC]
-_0811B40A:
-	ldrh r1, [r4, 0xA]
-	movs r2, 0xA
-	ldrsh r0, [r4, r2]
-	cmp r0, 0
-	beq _0811B426
-	ldrh r0, [r4, 0xC]
-	lsls r0, 16
-	asrs r0, 24
-	subs r0, r1, r0
-	strh r0, [r4, 0xA]
-	lsls r0, 16
-	cmp r0, 0
-	bge _0811B426
-	strh r3, [r4, 0xA]
-_0811B426:
-	ldr r0, _0811B490 @ =gUnknown_03004DE0
-	movs r1, 0xA
-	ldrsh r3, [r4, r1]
-	movs r1, 0x78
-	movs r2, 0x50
-	bl sub_811D764
-	movs r2, 0xA
-	ldrsh r0, [r4, r2]
-	cmp r0, 0
-	bne _0811B462
-	ldr r1, _0811B494 @ =0x040000b0
-	ldrh r2, [r1, 0xA]
-	ldr r0, _0811B498 @ =0x0000c5ff
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r2, [r1, 0xA]
-	ldr r0, _0811B49C @ =0x00007fff
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r0, [r1, 0xA]
-	bl sub_811D6D4
-	ldr r0, _0811B4A0 @ =Phase2Task_Transition3
-	bl FindTaskIdByFunc
-	lsls r0, 24
-	lsrs r0, 24
-	bl DestroyTask
-_0811B462:
-	ldrh r1, [r4, 0xE]
-	movs r2, 0xE
-	ldrsh r0, [r4, r2]
-	cmp r0, 0
-	bne _0811B476
-	adds r0, r1, 0x1
-	strh r0, [r4, 0xE]
-	ldr r0, _0811B4A4 @ =sub_811B54C
-	bl SetVBlankCallback
-_0811B476:
-	ldr r0, _0811B488 @ =0x0200c000
-	ldrb r1, [r0]
-	adds r1, 0x1
-	ldrb r2, [r0]
-	strb r1, [r0]
-	movs r0, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B488: .4byte 0x0200c000
-_0811B48C: .4byte 0x000003ff
-_0811B490: .4byte gUnknown_03004DE0
-_0811B494: .4byte 0x040000b0
-_0811B498: .4byte 0x0000c5ff
-_0811B49C: .4byte 0x00007fff
-_0811B4A0: .4byte Phase2Task_Transition3
-_0811B4A4: .4byte sub_811B54C
-	thumb_func_end Phase2_Transition3_Func6
-
-	thumb_func_start sub_811B4A8
-sub_811B4A8: @ 811B4A8
-	push {lr}
-	ldr r1, _0811B500 @ =0x040000b0
-	ldrh r2, [r1, 0xA]
-	ldr r0, _0811B504 @ =0x0000c5ff
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r2, [r1, 0xA]
-	ldr r0, _0811B508 @ =0x00007fff
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r0, [r1, 0xA]
-	bl VBlankCB_BattleTransition
-	ldr r2, _0811B50C @ =0x0200c000
-	ldrb r0, [r2]
-	cmp r0, 0
-	beq _0811B4DE
-	ldr r1, _0811B510 @ =0x040000d4
-	ldr r0, _0811B514 @ =gUnknown_03004DE0
-	str r0, [r1]
-	movs r3, 0xF0
-	lsls r3, 3
-	adds r0, r3
-	str r0, [r1, 0x4]
-	ldr r0, _0811B518 @ =0x800000a0
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-_0811B4DE:
-	ldr r1, _0811B51C @ =REG_WININ
-	ldrh r0, [r2, 0x2]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldrh r0, [r2, 0x4]
-	strh r0, [r1]
-	subs r1, 0x6
-	ldrh r0, [r2, 0x8]
-	strh r0, [r1]
-	adds r1, 0xC
-	ldrh r0, [r2, 0xE]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldrh r0, [r2, 0x10]
-	strh r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0811B500: .4byte 0x040000b0
-_0811B504: .4byte 0x0000c5ff
-_0811B508: .4byte 0x00007fff
-_0811B50C: .4byte 0x0200c000
-_0811B510: .4byte 0x040000d4
-_0811B514: .4byte gUnknown_03004DE0
-_0811B518: .4byte 0x800000a0
-_0811B51C: .4byte REG_WININ
-	thumb_func_end sub_811B4A8
-
-	thumb_func_start VBlankCB_Phase2_Transition3
-VBlankCB_Phase2_Transition3: @ 811B520
-	push {lr}
-	bl sub_811B4A8
-	ldr r1, _0811B53C @ =0x040000b0
-	ldr r0, _0811B540 @ =gUnknown_03005560
-	str r0, [r1]
-	ldr r0, _0811B544 @ =REG_BG0HOFS
-	str r0, [r1, 0x4]
-	ldr r0, _0811B548 @ =0xa2400001
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0811B53C: .4byte 0x040000b0
-_0811B540: .4byte gUnknown_03005560
-_0811B544: .4byte REG_BG0HOFS
-_0811B548: .4byte 0xa2400001
-	thumb_func_end VBlankCB_Phase2_Transition3
-
-	thumb_func_start sub_811B54C
-sub_811B54C: @ 811B54C
-	push {lr}
-	bl sub_811B4A8
-	ldr r1, _0811B568 @ =0x040000b0
-	ldr r0, _0811B56C @ =gUnknown_03005560
-	str r0, [r1]
-	ldr r0, _0811B570 @ =REG_WIN0H
-	str r0, [r1, 0x4]
-	ldr r0, _0811B574 @ =0xa2400001
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0811B568: .4byte 0x040000b0
-_0811B56C: .4byte gUnknown_03005560
-_0811B570: .4byte REG_WIN0H
-_0811B574: .4byte 0xa2400001
-	thumb_func_end sub_811B54C
-
-	thumb_func_start Phase2Task_Transition4
-Phase2Task_Transition4: @ 811B578
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r5, _0811B5A8 @ =gUnknown_083FD7D8
-	ldr r2, _0811B5AC @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r4, r1, r2
-_0811B58A:
-	movs r1, 0x8
-	ldrsh r0, [r4, r1]
-	lsls r0, 2
-	adds r0, r5
-	ldr r1, [r0]
-	adds r0, r4, 0
-	bl _call_via_r1
-	lsls r0, 24
-	cmp r0, 0
-	bne _0811B58A
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0811B5A8: .4byte gUnknown_083FD7D8
-_0811B5AC: .4byte gTasks
-	thumb_func_end Phase2Task_Transition4
-
-	thumb_func_start sub_811B5B0
-sub_811B5B0: @ 811B5B0
-	push {r4,lr}
-	sub sp, 0xC
-	adds r4, r0, 0
-	add r0, sp, 0x4
-	add r1, sp, 0x8
-	bl sub_811D6A8
-	ldr r0, _0811B5F0 @ =gUnknown_083FC108
-	ldr r1, [sp, 0x8]
-	movs r2, 0x20
-	bl CpuSet
-	movs r0, 0
-	str r0, [sp]
-	ldr r1, [sp, 0x4]
-	ldr r2, _0811B5F4 @ =0x05000200
-	mov r0, sp
-	bl CpuSet
-	ldr r0, _0811B5F8 @ =gFieldEffectObjectPalette10
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-	movs r0, 0
-	add sp, 0xC
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B5F0: .4byte gUnknown_083FC108
-_0811B5F4: .4byte 0x05000200
-_0811B5F8: .4byte gFieldEffectObjectPalette10
-	thumb_func_end sub_811B5B0
-
-	thumb_func_start sub_811B5FC
-sub_811B5FC: @ 811B5FC
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x10
-	adds r7, r0, 0
-	ldr r1, _0811B67C @ =gUnknown_083FD7E4
-	mov r0, sp
-	movs r2, 0x4
-	bl memcpy
-	add r4, sp, 0x4
-	ldr r1, _0811B680 @ =gUnknown_083FD7E8
-	adds r0, r4, 0
-	movs r2, 0xA
-	bl memcpy
-	bl Random
-	movs r5, 0x1
-	ands r5, r0
-	movs r1, 0
-	mov r8, r4
-	ldr r6, _0811B684 @ =gUnknown_0202FF84
-_0811B62A:
-	lsls r5, 16
-	asrs r5, 16
-	lsls r0, r5, 1
-	add r0, sp
-	movs r2, 0
-	ldrsh r0, [r0, r2]
-	str r0, [r6]
-	lsls r4, r1, 16
-	asrs r4, 16
-	lsls r0, r4, 5
-	adds r0, 0x10
-	str r0, [r6, 0x4]
-	str r5, [r6, 0x8]
-	lsls r0, r4, 1
-	add r0, r8
-	movs r1, 0
-	ldrsh r0, [r0, r1]
-	str r0, [r6, 0xC]
-	movs r0, 0x2D
-	bl FieldEffectStart
-	adds r4, 0x1
-	lsls r4, 16
-	movs r0, 0x1
-	eors r5, r0
-	lsls r5, 16
-	lsrs r5, 16
-	lsrs r1, r4, 16
-	asrs r4, 16
-	cmp r4, 0x4
-	ble _0811B62A
-	ldrh r0, [r7, 0x8]
-	adds r0, 0x1
-	strh r0, [r7, 0x8]
-	movs r0, 0
-	add sp, 0x10
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B67C: .4byte gUnknown_083FD7E4
-_0811B680: .4byte gUnknown_083FD7E8
-_0811B684: .4byte gUnknown_0202FF84
-	thumb_func_end sub_811B5FC
-
-	thumb_func_start sub_811B688
-sub_811B688: @ 811B688
-	push {lr}
-	movs r0, 0x2D
-	bl FieldEffectActiveListContains
-	lsls r0, 24
-	cmp r0, 0
-	bne _0811B6A8
-	bl sub_811D6D4
-	ldr r0, _0811B6B0 @ =Phase2Task_Transition4
-	bl FindTaskIdByFunc
-	lsls r0, 24
-	lsrs r0, 24
-	bl DestroyTask
-_0811B6A8:
-	movs r0, 0
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B6B0: .4byte Phase2Task_Transition4
-	thumb_func_end sub_811B688
-
-	thumb_func_start FldEff_Pokeball
-FldEff_Pokeball: @ 811B6B4
-	push {r4,r5,lr}
-	ldr r0, _0811B710 @ =gSpriteTemplate_83FD98C
-	ldr r5, _0811B714 @ =gUnknown_0202FF84
-	movs r2, 0
-	ldrsh r1, [r5, r2]
-	movs r3, 0x4
-	ldrsh r2, [r5, r3]
-	movs r3, 0
-	bl CreateSpriteAtEnd
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r1, _0811B718 @ =gSprites
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	adds r4, r1
-	ldrb r1, [r4, 0x5]
-	movs r0, 0xD
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r4, 0x5]
-	ldrb r1, [r4, 0x1]
-	movs r0, 0x4
-	negs r0, r0
-	ands r0, r1
-	movs r1, 0x1
-	orrs r0, r1
-	strb r0, [r4, 0x1]
-	ldr r0, [r5, 0x8]
-	strh r0, [r4, 0x2E]
-	ldr r0, [r5, 0xC]
-	strh r0, [r4, 0x30]
-	ldr r0, _0811B71C @ =0x0000ffff
-	strh r0, [r4, 0x32]
-	adds r0, r4, 0
-	bl InitSpriteAffineAnim
-	ldrb r1, [r5, 0x8]
-	adds r0, r4, 0
-	bl StartSpriteAffineAnim
-	movs r0, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B710: .4byte gSpriteTemplate_83FD98C
-_0811B714: .4byte gUnknown_0202FF84
-_0811B718: .4byte gSprites
-_0811B71C: .4byte 0x0000ffff
-	thumb_func_end FldEff_Pokeball
-
-	thumb_func_start sub_811B720
-sub_811B720: @ 811B720
-	push {r4-r6,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	ldr r1, _0811B740 @ =gUnknown_083FD7F2
-	mov r0, sp
-	movs r2, 0x4
-	bl memcpy
-	ldrh r1, [r4, 0x30]
-	movs r2, 0x30
-	ldrsh r0, [r4, r2]
-	cmp r0, 0
-	beq _0811B744
-	subs r0, r1, 0x1
-	strh r0, [r4, 0x30]
-	b _0811B7D6
-	.align 2, 0
-_0811B740: .4byte gUnknown_083FD7F2
-_0811B744:
-	ldrh r0, [r4, 0x20]
-	lsls r1, r0, 16
-	lsrs r0, r1, 16
-	cmp r0, 0xF0
-	bhi _0811B7B2
-	asrs r0, r1, 19
-	lsls r0, 16
-	ldrh r1, [r4, 0x22]
-	lsls r1, 16
-	asrs r1, 19
-	lsls r1, 16
-	lsrs r1, 16
-	lsrs r2, r0, 16
-	asrs r5, r0, 16
-	movs r3, 0x32
-	ldrsh r0, [r4, r3]
-	cmp r5, r0
-	beq _0811B7B2
-	strh r2, [r4, 0x32]
-	ldr r0, _0811B7E0 @ =REG_BG0CNT
-	ldrh r2, [r0]
-	lsrs r2, 8
-	movs r0, 0x1F
-	ands r2, r0
-	lsls r2, 11
-	movs r0, 0xC0
-	lsls r0, 19
-	adds r2, r0
-	lsls r1, 16
-	asrs r1, 16
-	subs r0, r1, 0x2
-	lsls r0, 5
-	adds r0, r5
-	lsls r0, 1
-	adds r0, r2
-	ldr r6, _0811B7E4 @ =0x0000f001
-	adds r3, r6, 0
-	strh r3, [r0]
-	subs r0, r1, 0x1
-	lsls r0, 5
-	adds r0, r5
-	lsls r0, 1
-	adds r0, r2
-	strh r3, [r0]
-	lsls r0, r1, 5
-	adds r0, r5
-	lsls r0, 1
-	adds r0, r2
-	strh r3, [r0]
-	adds r1, 0x1
-	lsls r1, 5
-	adds r1, r5
-	lsls r1, 1
-	adds r1, r2
-	strh r3, [r1]
-_0811B7B2:
-	movs r1, 0x2E
-	ldrsh r0, [r4, r1]
-	lsls r0, 1
-	add r0, sp
-	ldrh r0, [r0]
-	ldrh r2, [r4, 0x20]
-	adds r0, r2
-	strh r0, [r4, 0x20]
-	adds r0, 0xF
-	lsls r0, 16
-	movs r1, 0x87
-	lsls r1, 17
-	cmp r0, r1
-	bls _0811B7D6
-	adds r0, r4, 0
-	movs r1, 0x2D
-	bl FieldEffectStop
-_0811B7D6:
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0811B7E0: .4byte REG_BG0CNT
-_0811B7E4: .4byte 0x0000f001
-	thumb_func_end sub_811B720
-
-	thumb_func_start Phase2Task_Transition5
-Phase2Task_Transition5: @ 811B7E8
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r5, _0811B818 @ =gUnknown_083FD7F8
-	ldr r2, _0811B81C @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r4, r1, r2
-_0811B7FA:
-	movs r1, 0x8
-	ldrsh r0, [r4, r1]
-	lsls r0, 2
-	adds r0, r5
-	ldr r1, [r0]
-	adds r0, r4, 0
-	bl _call_via_r1
-	lsls r0, 24
-	cmp r0, 0
-	bne _0811B7FA
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0811B818: .4byte gUnknown_083FD7F8
-_0811B81C: .4byte gTasks
-	thumb_func_end Phase2Task_Transition5
-
-	thumb_func_start sub_811B820
-sub_811B820: @ 811B820
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_811D658
-	bl dp12_8087EA4
-	ldr r1, _0811B870 @ =0x0200c000
-	movs r0, 0
-	strh r0, [r1, 0x2]
-	movs r0, 0x3F
-	strh r0, [r1, 0x4]
-	ldr r0, _0811B874 @ =0x0000f0f1
-	strh r0, [r1, 0x6]
-	movs r0, 0xA0
-	strh r0, [r1, 0x8]
-	movs r1, 0
-	ldr r3, _0811B878 @ =gUnknown_03005560
-	ldr r2, _0811B87C @ =0x0000f3f4
-_0811B844:
-	lsls r0, r1, 1
-	adds r0, r3
-	strh r2, [r0]
-	adds r0, r1, 0x1
-	lsls r0, 16
-	lsrs r1, r0, 16
-	cmp r1, 0x9F
-	bls _0811B844
-	ldr r0, _0811B880 @ =sub_811BC2C
-	bl SetVBlankCallback
-	ldr r1, _0811B870 @ =0x0200c000
-	movs r0, 0x78
-	strh r0, [r1, 0x2C]
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-	movs r0, 0x1
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B870: .4byte 0x0200c000
-_0811B874: .4byte 0x0000f0f1
-_0811B878: .4byte gUnknown_03005560
-_0811B87C: .4byte 0x0000f3f4
-_0811B880: .4byte sub_811BC2C
-	thumb_func_end sub_811B820
-
-	thumb_func_start sub_811B884
-sub_811B884: @ 811B884
-	push {r4-r6,lr}
-	sub sp, 0xC
-	adds r6, r0, 0
-	ldr r4, _0811B904 @ =0x0200c000
-	ldrb r0, [r4]
-	movs r0, 0
-	strb r0, [r4]
-	adds r0, r4, 0
-	adds r0, 0x24
-	movs r1, 0x2C
-	ldrsh r3, [r4, r1]
-	movs r1, 0x1
-	negs r1, r1
-	str r1, [sp]
-	movs r1, 0x1
-	str r1, [sp, 0x4]
-	str r1, [sp, 0x8]
-	movs r1, 0x78
-	movs r2, 0x50
-	bl sub_811D8FC
-	ldr r5, _0811B908 @ =gUnknown_03004DE0
-_0811B8B0:
-	movs r3, 0x2A
-	ldrsh r2, [r4, r3]
-	lsls r2, 1
-	adds r2, r5
-	ldrh r0, [r4, 0x28]
-	adds r0, 0x1
-	movs r3, 0xF0
-	lsls r3, 7
-	adds r1, r3, 0
-	orrs r0, r1
-	strh r0, [r2]
-	adds r0, r4, 0
-	adds r0, 0x24
-	movs r1, 0x1
-	movs r2, 0x1
-	bl sub_811D978
-	lsls r0, 24
-	cmp r0, 0
-	beq _0811B8B0
-	ldr r2, _0811B904 @ =0x0200c000
-	ldrh r0, [r2, 0x2C]
-	adds r0, 0x10
-	strh r0, [r2, 0x2C]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0xEF
-	ble _0811B8F2
-	movs r0, 0
-	strh r0, [r2, 0x2E]
-	ldrh r0, [r6, 0x8]
-	adds r0, 0x1
-	strh r0, [r6, 0x8]
-_0811B8F2:
-	ldrb r0, [r2]
-	adds r0, 0x1
-	ldrb r1, [r2]
-	strb r0, [r2]
-	movs r0, 0
-	add sp, 0xC
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B904: .4byte 0x0200c000
-_0811B908: .4byte gUnknown_03004DE0
-	thumb_func_end sub_811B884
-
-	thumb_func_start sub_811B90C
-sub_811B90C: @ 811B90C
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x10
-	adds r7, r0, 0
-	add r1, sp, 0xC
-	movs r0, 0
-	strb r0, [r1]
-	ldr r4, _0811B988 @ =0x0200c000
-	ldrb r0, [r4]
-	movs r0, 0
-	strb r0, [r4]
-	adds r0, r4, 0
-	adds r0, 0x24
-	movs r2, 0x2E
-	ldrsh r1, [r4, r2]
-	str r1, [sp]
-	movs r1, 0x1
-	str r1, [sp, 0x4]
-	str r1, [sp, 0x8]
-	movs r1, 0x78
-	movs r2, 0x50
-	movs r3, 0xF0
-	bl sub_811D8FC
-	adds r6, r4, 0
-	ldr r5, _0811B98C @ =gUnknown_03004DE0
-	mov r8, r5
-	add r5, sp, 0xC
-_0811B946:
-	movs r1, 0x78
-	ldrh r0, [r4, 0x28]
-	adds r0, 0x1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	movs r2, 0x2E
-	ldrsh r0, [r4, r2]
-	cmp r0, 0x4F
-	ble _0811B95C
-	ldrh r1, [r4, 0x28]
-	movs r3, 0xF0
-_0811B95C:
-	movs r0, 0x2A
-	ldrsh r2, [r4, r0]
-	lsls r2, 1
-	add r2, r8
-	lsls r1, 16
-	asrs r1, 8
-	lsls r0, r3, 16
-	asrs r3, r0, 16
-	orrs r3, r1
-	strh r3, [r2]
-	ldrb r0, [r5]
-	cmp r0, 0
-	bne _0811B990
-	adds r0, r4, 0
-	adds r0, 0x24
-	movs r1, 0x1
-	movs r2, 0x1
-	bl sub_811D978
-	strb r0, [r5]
-	b _0811B946
-	.align 2, 0
-_0811B988: .4byte 0x0200c000
-_0811B98C: .4byte gUnknown_03004DE0
-_0811B990:
-	ldrh r0, [r4, 0x2E]
-	adds r0, 0x8
-	strh r0, [r4, 0x2E]
-	lsls r0, 16
-	asrs r1, r0, 16
-	cmp r1, 0x9F
-	ble _0811B9AA
-	movs r0, 0xF0
-	strh r0, [r4, 0x2C]
-	ldrh r0, [r7, 0x8]
-	adds r0, 0x1
-	strh r0, [r7, 0x8]
-	b _0811B9D0
-_0811B9AA:
-	movs r2, 0x2A
-	ldrsh r0, [r4, r2]
-	cmp r0, r1
-	bge _0811B9D0
-	ldr r4, _0811B9E8 @ =gUnknown_03004DE0
-	ldr r2, _0811B9EC @ =0x0200c000
-_0811B9B6:
-	ldrh r0, [r2, 0x2A]
-	adds r0, 0x1
-	strh r0, [r2, 0x2A]
-	lsls r0, 16
-	asrs r0, 15
-	adds r0, r4
-	strh r3, [r0]
-	movs r5, 0x2A
-	ldrsh r1, [r2, r5]
-	movs r5, 0x2E
-	ldrsh r0, [r2, r5]
-	cmp r1, r0
-	blt _0811B9B6
-_0811B9D0:
-	ldrb r0, [r6]
-	adds r0, 0x1
-	ldrb r1, [r6]
-	strb r0, [r6]
-	movs r0, 0
-	add sp, 0x10
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0811B9E8: .4byte gUnknown_03004DE0
-_0811B9EC: .4byte 0x0200c000
-	thumb_func_end sub_811B90C
-
-	thumb_func_start sub_811B9F0
-sub_811B9F0: @ 811B9F0
+	thumb_func_start Phase2_Transition5_Func4
+Phase2_Transition5_Func4: @ 811B9F0
 	push {r4-r6,lr}
 	sub sp, 0xC
 	adds r6, r0, 0
@@ -1043,10 +73,10 @@ _0811BA56:
 	.align 2, 0
 _0811BA68: .4byte 0x0200c000
 _0811BA6C: .4byte gUnknown_03004DE0
-	thumb_func_end sub_811B9F0
+	thumb_func_end Phase2_Transition5_Func4
 
-	thumb_func_start sub_811BA70
-sub_811BA70: @ 811BA70
+	thumb_func_start Phase2_Transition5_Func5
+Phase2_Transition5_Func5: @ 811BA70
 	push {r4-r7,lr}
 	mov r7, r10
 	mov r6, r9
@@ -1168,10 +198,10 @@ _0811BB3A:
 	.align 2, 0
 _0811BB58: .4byte gUnknown_03004DE0
 _0811BB5C: .4byte 0x0200c000
-	thumb_func_end sub_811BA70
+	thumb_func_end Phase2_Transition5_Func5
 
-	thumb_func_start sub_811BB60
-sub_811BB60: @ 811BB60
+	thumb_func_start Phase2_Transition5_Func6
+Phase2_Transition5_Func6: @ 811BB60
 	push {r4-r6,lr}
 	sub sp, 0xC
 	adds r6, r0, 0
@@ -1242,10 +272,10 @@ _0811BBD2:
 	.align 2, 0
 _0811BBE4: .4byte 0x0200c000
 _0811BBE8: .4byte gUnknown_03004DE0
-	thumb_func_end sub_811BB60
+	thumb_func_end Phase2_Transition5_Func6
 
-	thumb_func_start sub_811BBEC
-sub_811BBEC: @ 811BBEC
+	thumb_func_start Phase2_Transition5_Func7
+Phase2_Transition5_Func7: @ 811BBEC
 	push {lr}
 	ldr r1, _0811BC1C @ =0x040000b0
 	ldrh r2, [r1, 0xA]
@@ -1271,10 +301,10 @@ _0811BC1C: .4byte 0x040000b0
 _0811BC20: .4byte 0x0000c5ff
 _0811BC24: .4byte 0x00007fff
 _0811BC28: .4byte Phase2Task_Transition5
-	thumb_func_end sub_811BBEC
+	thumb_func_end Phase2_Transition5_Func7
 
-	thumb_func_start sub_811BC2C
-sub_811BC2C: @ 811BC2C
+	thumb_func_start VBlankCB_Phase2_Transition5
+VBlankCB_Phase2_Transition5: @ 811BC2C
 	push {r4,lr}
 	ldr r4, _0811BC94 @ =0x040000b0
 	ldrh r1, [r4, 0xA]
@@ -1337,7 +367,7 @@ _0811BCAC: .4byte 0x800000a0
 _0811BCB0: .4byte REG_WININ
 _0811BCB4: .4byte REG_WIN0H
 _0811BCB8: .4byte 0xa2400001
-	thumb_func_end sub_811BC2C
+	thumb_func_end VBlankCB_Phase2_Transition5
 
 	thumb_func_start Phase2Task_Transition6
 Phase2Task_Transition6: @ 811BCBC
diff --git a/data/battle_transition.s b/data/battle_transition.s
index 975de2997..d71fa3594 100644
--- a/data/battle_transition.s
+++ b/data/battle_transition.s
@@ -108,10 +108,10 @@ sPhase2_Transition3_Funcs:: @ 83FD7C0
 	.4byte Phase2_Transition3_Func6
 
 	.align 2
-gUnknown_083FD7D8:: @ 83FD7D8
-	.4byte sub_811B5B0
-	.4byte sub_811B5FC
-	.4byte sub_811B688
+sPhase2_Transition4_Funcs:: @ 83FD7D8
+	.4byte Phase2_Transition4_Func1
+	.4byte Phase2_Transition4_Func2
+	.4byte Phase2_Transition4_Func3
 
 	.align 1
 gUnknown_083FD7E4:: @ 83FD7E4
@@ -132,14 +132,14 @@ gUnknown_083FD7F2:: @ 83FD7F2
 	.2byte -8
 
 	.align 2
-gUnknown_083FD7F8:: @ 83FD7F8
-	.4byte sub_811B820
-	.4byte sub_811B884
-	.4byte sub_811B90C
-	.4byte sub_811B9F0
-	.4byte sub_811BA70
-	.4byte sub_811BB60
-	.4byte sub_811BBEC
+sPhase2_Transition5_Funcs:: @ 83FD7F8
+	.4byte Phase2_Transition5_Func1
+	.4byte Phase2_Transition5_Func2
+	.4byte Phase2_Transition5_Func3
+	.4byte Phase2_Transition5_Func4
+	.4byte Phase2_Transition5_Func5
+	.4byte Phase2_Transition5_Func6
+	.4byte Phase2_Transition5_Func7
 
 	.align 2
 gUnknown_083FD814:: @ 83FD814
diff --git a/src/battle_transition.c b/src/battle_transition.c
index ed6bdf387..fb20853a5 100644
--- a/src/battle_transition.c
+++ b/src/battle_transition.c
@@ -4,6 +4,9 @@
 #include "task.h"
 #include "palette.h"
 #include "trig.h"
+#include "field_effect.h"
+#include "rng.h"
+#include "sprite.h"
 
 void sub_807DE10(void);
 void dp12_8087EA4(void);
@@ -15,6 +18,8 @@ extern const TransitionState sPhase2_Transition0_Funcs[];
 extern const TransitionState sPhase2_Transition1_Funcs[];
 extern const TransitionState sPhase2_Transition2_Funcs[];
 extern const TransitionState sPhase2_Transition3_Funcs[];
+extern const TransitionState sPhase2_Transition4_Funcs[];
+extern const TransitionState sPhase2_Transition5_Funcs[];
 
 extern const TaskFunc sPhase1_Tasks[];
 extern const TaskFunc sPhase2_Tasks[];
@@ -40,6 +45,17 @@ struct TransitionData
     s16 field_14;
     s16 field_16;
     s16 field_18;
+    s16 field_1A;
+    s16 field_1C;
+    s16 field_1E;
+    s16 field_20;
+    s16 field_22;
+    s16 field_24;
+    s16 field_26;
+    s16 field_28;
+    s16 field_2A;
+    s16 field_2C;
+    s16 field_2E;
 };
 
 #define TRANSITION_STRUCT   (*(struct TransitionData *)   (ewram + 0xC000))
@@ -55,11 +71,17 @@ static void VBlankCB_Phase2_Transition1(void);
 static void HBlankCB_Phase2_Transition1(void);
 static void VBlankCB_Phase2_Transition2(void);
 static void HBlankCB_Phase2_Transition2(void);
-void VBlankCB_Phase2_Transition3(void);
+void VBlankCB0_Phase2_Transition3(void);
+void VBlankCB1_Phase2_Transition3(void);
+void VBlankCB_Phase2_Transition5(void);
 
 void VBlankCB_BattleTransition(void);
 void sub_811D6E8(s16* a0, s16 a1, s16 a2, s16 a3, s16 a4, s16 a5);
 void sub_811D6A8(u16** a0, u16** a1);
+void sub_811D764(u16* a0, s16 a1, s16 a2, s16 a3);
+void sub_811D6D4(void);
+void sub_811D8FC(s16* a0, s16 a1, s16 a2, s16 a3, s16 a4, s16 a5, s16 a6);
+bool8 sub_811D978(s16* a0, bool8 a1, bool8 a2);
 
 void sub_811AABC(u8 transitionID)
 {
@@ -353,7 +375,7 @@ bool8 Phase2_Transition3_Func1(struct Task* task)
         gUnknown_03005560[i] = 240;
     }
 
-    SetVBlankCallback(VBlankCB_Phase2_Transition3);
+    SetVBlankCallback(VBlankCB0_Phase2_Transition3);
 
     sub_811D6A8(&dst1, & dst2);
     CpuFill16(0, dst1, 0x800);
@@ -386,3 +408,416 @@ bool8 Phase2_Transition3_Func2(struct Task* task)
     task->tState++;
     return 1;
 }
+
+bool8 Phase2_Transition3_Func3(struct Task* task)
+{
+    TRANSITION_STRUCT.field_0 = 0;
+    if (task->data[3] == 0 || --task->data[3] == 0)
+    {
+        task->data[2]++;
+        task->data[3] = 2;
+    }
+    TRANSITION_STRUCT.field_10 = (task->data[1] << 8) | task->data[2];
+    if (task->data[2] > 15)
+        task->tState++;
+    task->data[4] += 8;
+    task->data[5] -= 256;
+
+    sub_811D6E8(gUnknown_03004DE0[0], 0, task->data[4], 132, task->data[5] >> 8, 160);
+
+    TRANSITION_STRUCT.field_0++;
+    return 0;
+}
+
+bool8 Phase2_Transition3_Func4(struct Task* task)
+{
+    TRANSITION_STRUCT.field_0 = 0;
+    if (task->data[3] == 0 || --task->data[3] == 0)
+    {
+        task->data[1]--;
+        task->data[3] = 2;
+    }
+    TRANSITION_STRUCT.field_10 = (task->data[1] << 8) | task->data[2];
+    if (task->data[1] == 0)
+        task->tState++;
+    task->data[4] += 8;
+    task->data[5] -= 256;
+
+    sub_811D6E8(gUnknown_03004DE0[0], 0, task->data[4], 132, task->data[5] >> 8, 160);
+
+    TRANSITION_STRUCT.field_0++;
+    return 0;
+}
+
+bool8 Phase2_Transition3_Func5(struct Task* task)
+{
+    TRANSITION_STRUCT.field_0 = 0;
+    task->data[4] += 8;
+    task->data[5] -= 256;
+
+    sub_811D6E8(gUnknown_03004DE0[0], 0, task->data[4], 132, task->data[5] >> 8, 160);
+
+    if (task->data[5] <= 0)
+    {
+        task->tState++;
+        task->data[1] = 160;
+        task->data[2] = 256;
+        task->data[3] = 0;
+    }
+
+    TRANSITION_STRUCT.field_0++;
+    return 0;
+}
+
+bool8 Phase2_Transition3_Func6(struct Task* task)
+{
+    TRANSITION_STRUCT.field_0 = 0;
+    if (task->data[2] < 1024)
+        task->data[2] += 128;
+    if (task->data[1] != 0)
+    {
+        task->data[1] -= (task->data[2] >> 8);
+        if (task->data[1] < 0)
+            task->data[1] = 0;
+    }
+    sub_811D764(gUnknown_03004DE0[0], 120, 80, task->data[1]);
+    if (task->data[1] == 0)
+    {
+        DmaStop(0);
+        sub_811D6D4();
+        DestroyTask(FindTaskIdByFunc(Phase2Task_Transition3));
+    }
+    if (task->data[3] == 0)
+    {
+        task->data[3]++;
+        SetVBlankCallback(VBlankCB1_Phase2_Transition3);
+    }
+
+    TRANSITION_STRUCT.field_0++;
+    return 0;
+}
+
+static void Transition3_Vblank(void)
+{
+    DmaStop(0);
+    VBlankCB_BattleTransition();
+    if (TRANSITION_STRUCT.field_0)
+        DmaCopy16(3, gUnknown_03004DE0[0], gUnknown_03004DE0[1], 320);
+    REG_WININ = TRANSITION_STRUCT.field_2;
+    REG_WINOUT = TRANSITION_STRUCT.field_4;
+    REG_WIN0V = TRANSITION_STRUCT.field_8;
+    REG_BLDCNT = TRANSITION_STRUCT.field_E;
+    REG_BLDALPHA = TRANSITION_STRUCT.field_10;
+}
+
+void VBlankCB0_Phase2_Transition3(void)
+{
+    Transition3_Vblank();
+    DmaSet(0, gUnknown_03005560, &REG_BG0HOFS, 0xA2400001);
+}
+
+void VBlankCB1_Phase2_Transition3(void)
+{
+    Transition3_Vblank();
+    DmaSet(0, gUnknown_03005560, &REG_WIN0H, 0xA2400001);
+}
+
+void Phase2Task_Transition4(u8 taskID)
+{
+    while (sPhase2_Transition4_Funcs[gTasks[taskID].tState](&gTasks[taskID]));
+}
+
+extern const u8 gUnknown_083FC108[];
+
+bool8 Phase2_Transition4_Func1(struct Task* task)
+{
+    u16 *dst1, *dst2;
+
+    sub_811D6A8(&dst1, &dst2);
+    CpuSet(gUnknown_083FC108, dst2, 0x20);
+    CpuFill32(0, dst1, 0x800);
+    LoadPalette(gFieldEffectObjectPalette10, 0xF0, 0x20);
+
+    task->tState++;
+    return 0;
+}
+
+extern const s16 gUnknown_083FD7E4[2];
+extern const s16 gUnknown_083FD7F2[2];
+extern const s16 gUnknown_083FD7E8[5];
+
+bool8 Phase2_Transition4_Func2(struct Task* task)
+{
+    s16 i;
+    s16 rand;
+    s16 arr0[2];
+    s16 arr1[5];
+
+    memcpy(arr0, gUnknown_083FD7E4, sizeof(gUnknown_083FD7E4));
+    memcpy(arr1, gUnknown_083FD7E8, sizeof(gUnknown_083FD7E8));
+    rand = Random() & 1;
+    for (i = 0; i <= 4; i++, rand ^= 1)
+    {
+        gUnknown_0202FF84[0] = arr0[rand];      // x
+        gUnknown_0202FF84[1] = (i * 32) + 16;   // y
+        gUnknown_0202FF84[2] = rand;
+        gUnknown_0202FF84[3] = arr1[i];
+        FieldEffectStart(FLDEFF_POKEBALL);
+    }
+
+    task->tState++;
+    return 0;
+}
+
+bool8 Phase2_Transition4_Func3(struct Task* task)
+{
+    if (!FieldEffectActiveListContains(FLDEFF_POKEBALL))
+    {
+        sub_811D6D4();
+        DestroyTask(FindTaskIdByFunc(Phase2Task_Transition4));
+    }
+    return 0;
+}
+
+extern const struct SpriteTemplate gSpriteTemplate_83FD98C;
+
+bool8 FldEff_Pokeball(void)
+{
+    u8 spriteID = CreateSpriteAtEnd(&gSpriteTemplate_83FD98C, gUnknown_0202FF84[0], gUnknown_0202FF84[1], 0);
+    gSprites[spriteID].oam.priority = 0;
+    gSprites[spriteID].oam.affineMode = 1;
+    gSprites[spriteID].data0 = gUnknown_0202FF84[2];
+    gSprites[spriteID].data1 = gUnknown_0202FF84[3];
+    gSprites[spriteID].data2 = -1;
+    InitSpriteAffineAnim(&gSprites[spriteID]);
+    StartSpriteAffineAnim(&gSprites[spriteID], gUnknown_0202FF84[2]);
+    return 0;
+}
+
+#ifdef NONMATCHING
+void sub_811B720(struct Sprite* sprite)
+{
+    s16 arr0[2];
+
+    memcpy(arr0, gUnknown_083FD7F2, sizeof(gUnknown_083FD7F2));
+    if (sprite->data1 != 0)
+        sprite->data1--;
+    else
+    {
+        if (sprite->pos1.x < 240)
+        {
+            s32 posY = sprite->pos1.y >> 3;
+            s32 posX = sprite->pos1.x >> 3;
+            if ((posX >> 3) != sprite->data2)
+            {
+                u32 var;
+
+                sprite->data2 = (posX);
+                var = (((REG_BG0CNT >> 8) & 0x1F) << 10);
+
+                vram[MULTI_DIM_ARR(posY - 2, 32, posX)] = 0xF001;
+                vram[MULTI_DIM_ARR(posY - 1, 32, posX)] = 0xF001;
+                vram[MULTI_DIM_ARR(posY - 0, 32, posX)] = 0xF001;
+                vram[MULTI_DIM_ARR(posY + 0, 32, posX)] = 0xF001;
+            }
+        }
+        sprite->pos1.x += arr0[sprite->data0];
+        if (sprite->pos1.x + 15 > 270)
+            FieldEffectStop(sprite, FLDEFF_POKEBALL);
+    }
+}
+#else
+__attribute__((naked))
+void sub_811B720(struct Sprite* sprite)
+{
+    asm(".syntax unified\n\
+        	push {r4-r6,lr}\n\
+	sub sp, 0x4\n\
+	adds r4, r0, 0\n\
+	ldr r1, _0811B740 @ =gUnknown_083FD7F2\n\
+	mov r0, sp\n\
+	movs r2, 0x4\n\
+	bl memcpy\n\
+	ldrh r1, [r4, 0x30]\n\
+	movs r2, 0x30\n\
+	ldrsh r0, [r4, r2]\n\
+	cmp r0, 0\n\
+	beq _0811B744\n\
+	subs r0, r1, 0x1\n\
+	strh r0, [r4, 0x30]\n\
+	b _0811B7D6\n\
+	.align 2, 0\n\
+_0811B740: .4byte gUnknown_083FD7F2\n\
+_0811B744:\n\
+	ldrh r0, [r4, 0x20]\n\
+	lsls r1, r0, 16\n\
+	lsrs r0, r1, 16\n\
+	cmp r0, 0xF0\n\
+	bhi _0811B7B2\n\
+	asrs r0, r1, 19\n\
+	lsls r0, 16\n\
+	ldrh r1, [r4, 0x22]\n\
+	lsls r1, 16\n\
+	asrs r1, 19\n\
+	lsls r1, 16\n\
+	lsrs r1, 16\n\
+	lsrs r2, r0, 16\n\
+	asrs r5, r0, 16\n\
+	movs r3, 0x32\n\
+	ldrsh r0, [r4, r3]\n\
+	cmp r5, r0\n\
+	beq _0811B7B2\n\
+	strh r2, [r4, 0x32]\n\
+	ldr r0, _0811B7E0 @ =REG_BG0CNT\n\
+	ldrh r2, [r0]\n\
+	lsrs r2, 8\n\
+	movs r0, 0x1F\n\
+	ands r2, r0\n\
+	lsls r2, 11\n\
+	movs r0, 0xC0\n\
+	lsls r0, 19\n\
+	adds r2, r0\n\
+	lsls r1, 16\n\
+	asrs r1, 16\n\
+	subs r0, r1, 0x2\n\
+	lsls r0, 5\n\
+	adds r0, r5\n\
+	lsls r0, 1\n\
+	adds r0, r2\n\
+	ldr r6, _0811B7E4 @ =0x0000f001\n\
+	adds r3, r6, 0\n\
+	strh r3, [r0]\n\
+	subs r0, r1, 0x1\n\
+	lsls r0, 5\n\
+	adds r0, r5\n\
+	lsls r0, 1\n\
+	adds r0, r2\n\
+	strh r3, [r0]\n\
+	lsls r0, r1, 5\n\
+	adds r0, r5\n\
+	lsls r0, 1\n\
+	adds r0, r2\n\
+	strh r3, [r0]\n\
+	adds r1, 0x1\n\
+	lsls r1, 5\n\
+	adds r1, r5\n\
+	lsls r1, 1\n\
+	adds r1, r2\n\
+	strh r3, [r1]\n\
+_0811B7B2:\n\
+	movs r1, 0x2E\n\
+	ldrsh r0, [r4, r1]\n\
+	lsls r0, 1\n\
+	add r0, sp\n\
+	ldrh r0, [r0]\n\
+	ldrh r2, [r4, 0x20]\n\
+	adds r0, r2\n\
+	strh r0, [r4, 0x20]\n\
+	adds r0, 0xF\n\
+	lsls r0, 16\n\
+	movs r1, 0x87\n\
+	lsls r1, 17\n\
+	cmp r0, r1\n\
+	bls _0811B7D6\n\
+	adds r0, r4, 0\n\
+	movs r1, 0x2D\n\
+	bl FieldEffectStop\n\
+_0811B7D6:\n\
+	add sp, 0x4\n\
+	pop {r4-r6}\n\
+	pop {r0}\n\
+	bx r0\n\
+	.align 2, 0\n\
+_0811B7E0: .4byte 0x04000008\n\
+_0811B7E4: .4byte 0x0000f001\n\
+        .syntax divided");
+}
+#endif // NONMATCHING
+
+void Phase2Task_Transition5(u8 taskID)
+{
+    while (sPhase2_Transition5_Funcs[gTasks[taskID].tState](&gTasks[taskID]));
+}
+
+bool8 Phase2_Transition5_Func1(struct Task* task)
+{
+    u16 i;
+
+    sub_811D658();
+    dp12_8087EA4();
+
+    TRANSITION_STRUCT.field_2 = 0;
+    TRANSITION_STRUCT.field_4 = 63;
+    TRANSITION_STRUCT.field_6 = -3855;
+    TRANSITION_STRUCT.field_8 = 160;
+
+    for (i = 0; i < 160; i++)
+    {
+        gUnknown_03005560[i] = 0xF3F4;
+    }
+
+    SetVBlankCallback(VBlankCB_Phase2_Transition5);
+    TRANSITION_STRUCT.field_2C = 120;
+
+    task->tState++;
+    return 1;
+}
+
+bool8 Phase2_Transition5_Func2(struct Task* task)
+{
+    TRANSITION_STRUCT.field_0 = 0;
+
+    sub_811D8FC(&TRANSITION_STRUCT.field_24, 120, 80, TRANSITION_STRUCT.field_2C, -1, 1, 1);
+    do
+    {
+        gUnknown_03004DE0[0][TRANSITION_STRUCT.field_2A] = (TRANSITION_STRUCT.field_28 + 1) | 0x7800;
+    } while (!sub_811D978(&TRANSITION_STRUCT.field_24, 1, 1));
+
+    TRANSITION_STRUCT.field_2C += 16;
+    if (TRANSITION_STRUCT.field_2C >= 240)
+    {
+        TRANSITION_STRUCT.field_2E = 0;
+        task->tState++;
+    }
+
+    TRANSITION_STRUCT.field_0++;
+    return 0;
+}
+
+bool8 Phase2_Transition5_Func3(struct Task* task)
+{
+    s16 r1, r3;
+    vu8 var = 0;
+
+    TRANSITION_STRUCT.field_0 = 0;
+
+    sub_811D8FC(&TRANSITION_STRUCT.field_24, 120, 80, 240, TRANSITION_STRUCT.field_2E, 1, 1);
+
+    while (1)
+    {
+        r1 = 120, r3 = TRANSITION_STRUCT.field_28 + 1;
+        if (TRANSITION_STRUCT.field_2E >= 80)
+            r1 = TRANSITION_STRUCT.field_28, r3 = 240;
+        gUnknown_03004DE0[0][TRANSITION_STRUCT.field_2A] = (r3) | (r1 << 8);
+        if (var != 0)
+            break;
+        var = sub_811D978(&TRANSITION_STRUCT.field_24, 1, 1);
+    }
+
+    TRANSITION_STRUCT.field_2E += 8;
+    if (TRANSITION_STRUCT.field_2E >= 160)
+    {
+        TRANSITION_STRUCT.field_2C = 240;
+        task->tState++;
+    }
+    else
+    {
+        while (TRANSITION_STRUCT.field_2A < TRANSITION_STRUCT.field_2E)
+        {
+            gUnknown_03004DE0[0][++TRANSITION_STRUCT.field_2A] = (r3) | (r1 << 8);
+        }
+    }
+
+    TRANSITION_STRUCT.field_0++;
+    return 0;
+}