label a bit of battle transition

asm/battle_setup.s

@@ -35,7 +35,7 @@ _080B0614:
 	strh r0, [r4]
 	b _080B0652
 _080B062E:
-	bl sub_8145F20
+	bl IsBattleTransitionDone
 	lsls r0, 24
 	lsrs r0, 24
 	cmp r0, 0x1
@@ -1375,7 +1375,7 @@ sub_80B11A8: @ 80B11A8
 	push {lr}
 	bl UpdatePaletteFade
 	bl RunTasks
-	bl sub_8145F20
+	bl IsBattleTransitionDone
 	lsls r0, 24
 	lsrs r0, 24
 	cmp r0, 0x1

asm/battle_transition.s

@@ -4,6 +4,58 @@
 	.syntax unified
 
 	.text
+    
+   thumb_func_start CB2_TestBattleTransition
+CB2_TestBattleTransition: @ 8145E84
+	push {r4,lr}
+	ldr r4, =sTestingTransitionState
+	ldrb r0, [r4]
+	cmp r0, 0
+	beq _08145E98
+	cmp r0, 0x1
+	beq _08145EAC
+	b _08145EC0
+	.pool
+_08145E98:
+	ldr r0, =sTestingTransitionId
+	ldrb r0, [r0]
+	bl LaunchBattleTransitionTask
+	ldrb r0, [r4]
+	adds r0, 0x1
+	strb r0, [r4]
+	b _08145EC0
+	.pool
+_08145EAC:
+	bl IsBattleTransitionDone
+	lsls r0, 24
+	cmp r0, 0
+	beq _08145EC0
+	movs r0, 0
+	strb r0, [r4]
+	ldr r0, =c2_exit_to_overworld_2_switch
+	bl SetMainCallback2
+_08145EC0:
+	bl RunTasks
+	bl AnimateSprites
+	bl BuildOamBuffer
+	bl UpdatePaletteFade
+	pop {r4}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end CB2_TestBattleTransition
+
+	thumb_func_start TestBattleTransition
+TestBattleTransition: @ 8145EDC
+	push {lr}
+	ldr r1, =sTestingTransitionId
+	strb r0, [r1]
+	ldr r0, =CB2_TestBattleTransition
+	bl SetMainCallback2
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end TestBattleTransition
 
 	thumb_func_start sub_8145EF4
 sub_8145EF4: @ 8145EF4
@@ -13,7 +65,7 @@ sub_8145EF4: @ 8145EF4
 	ldr r2, =gMain
 	ldr r1, =sub_8085E50
 	str r1, [r2, 0x4]
-	bl sub_8145F6C
+	bl LaunchBattleTransitionTask
 	pop {r0}
 	bx r0
 	.pool
@@ -24,15 +76,15 @@ sub_8145F10: @ 8145F10
 	push {lr}
 	lsls r0, 24
 	lsrs r0, 24
-	bl sub_8145F6C
+	bl LaunchBattleTransitionTask
 	pop {r0}
 	bx r0
 	thumb_func_end sub_8145F10
 
-	thumb_func_start sub_8145F20
-sub_8145F20: @ 8145F20
+	thumb_func_start IsBattleTransitionDone
+IsBattleTransitionDone: @ 8145F20
 	push {r4,lr}
-	ldr r0, =sub_8145FA8
+	ldr r0, =Task_BattleTransitionMain
 	bl FindTaskIdByFunc
 	lsls r0, 24
 	lsrs r2, r0, 24
@@ -51,7 +103,7 @@ sub_8145F20: @ 8145F20
 _08145F4C:
 	adds r0, r2, 0
 	bl DestroyTask
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	ldr r0, [r4]
 	bl Free
 	movs r0, 0
@@ -62,15 +114,15 @@ _08145F60:
 	pop {r1}
 	bx r1
 	.pool
-	thumb_func_end sub_8145F20
+	thumb_func_end IsBattleTransitionDone
 
-	thumb_func_start sub_8145F6C
-sub_8145F6C: @ 8145F6C
+	thumb_func_start LaunchBattleTransitionTask
+LaunchBattleTransitionTask: @ 8145F6C
 	push {r4,lr}
 	adds r4, r0, 0
 	lsls r4, 24
 	lsrs r4, 24
-	ldr r0, =sub_8145FA8
+	ldr r0, =Task_BattleTransitionMain
 	movs r1, 0x2
 	bl CreateTask
 	lsls r0, 24
@@ -81,7 +133,7 @@ sub_8145F6C: @ 8145F6C
 	lsls r1, 3
 	adds r1, r2
 	strh r4, [r1, 0xA]
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	movs r0, 0x3C
 	bl AllocZeroed
 	str r0, [r4]
@@ -89,10 +141,10 @@ sub_8145F6C: @ 8145F6C
 	pop {r0}
 	bx r0
 	.pool
-	thumb_func_end sub_8145F6C
+	thumb_func_end LaunchBattleTransitionTask
 
-	thumb_func_start sub_8145FA8
-sub_8145FA8: @ 8145FA8
+	thumb_func_start Task_BattleTransitionMain
+Task_BattleTransitionMain: @ 8145FA8
 	push {r4,r5,lr}
 	lsls r0, 24
 	lsrs r0, 24
@@ -117,7 +169,7 @@ _08145FBA:
 	pop {r0}
 	bx r0
 	.pool
-	thumb_func_end sub_8145FA8
+	thumb_func_end Task_BattleTransitionMain
 
 	thumb_func_start sub_8145FE0
 sub_8145FE0: @ 8145FE0
@@ -445,7 +497,7 @@ sub_814623C: @ 814623C
 	movs r3, 0x10
 	bl BeginNormalPaletteFade
 	ldr r0, =gUnknown_020393A8
-	ldr r1, =gUnknown_0203ABA0
+	ldr r1, =sTransitionStructPtr
 	ldr r1, [r1]
 	movs r2, 0x14
 	ldrsh r1, [r1, r2]
@@ -476,7 +528,7 @@ sub_814623C: @ 814623C
 sub_81462A8: @ 81462A8
 	push {r4,r5,lr}
 	sub sp, 0x8
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	ldr r2, [r4]
 	ldrb r1, [r2]
 	movs r1, 0
@@ -530,7 +582,7 @@ _081462FA:
 sub_8146320: @ 8146320
 	push {lr}
 	bl sub_8149F2C
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r0, [r0]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -615,7 +667,7 @@ sub_81463BC: @ 81463BC
 	movs r2, 0
 	movs r3, 0x10
 	bl BeginNormalPaletteFade
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldr r0, =gUnknown_020393A8
 	movs r2, 0x16
@@ -643,7 +695,7 @@ sub_81463BC: @ 81463BC
 	thumb_func_start sub_8146420
 sub_8146420: @ 8146420
 	push {r4-r7,lr}
-	ldr r1, =gUnknown_0203ABA0
+	ldr r1, =sTransitionStructPtr
 	ldr r2, [r1]
 	ldrb r1, [r2]
 	movs r1, 0
@@ -669,7 +721,7 @@ _08146448:
 	ldr r1, =gUnknown_02038C28
 	lsls r2, r5, 1
 	adds r2, r1
-	ldr r6, =gUnknown_0203ABA0
+	ldr r6, =sTransitionStructPtr
 	ldr r1, [r6]
 	ldrh r1, [r1, 0x16]
 	adds r0, r1
@@ -712,7 +764,7 @@ _0814648E:
 sub_81464B0: @ 81464B0
 	push {lr}
 	bl sub_8149F2C
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r0, [r0]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -964,7 +1016,7 @@ sub_814669C: @ 814669C
 	movs r0, 0x80
 	lsls r0, 7
 	strh r0, [r4, 0x12]
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r2, [r0]
 	movs r0, 0x3F
 	strh r0, [r2, 0x2]
@@ -1583,7 +1635,7 @@ sub_8146BF8: @ 8146BF8
 	push {r4,r5,lr}
 	sub sp, 0x8
 	adds r3, r0, 0
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -1657,7 +1709,7 @@ sub_8146C8C: @ 8146C8C
 	push {r4,r5,lr}
 	sub sp, 0x8
 	adds r3, r0, 0
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -1731,7 +1783,7 @@ sub_8146D20: @ 8146D20
 	push {r4-r7,lr}
 	sub sp, 0x8
 	adds r4, r0, 0
-	ldr r7, =gUnknown_0203ABA0
+	ldr r7, =sTransitionStructPtr
 	ldr r0, [r7]
 	ldrb r1, [r0]
 	movs r6, 0
@@ -1847,7 +1899,7 @@ _08146DEE:
 sub_8146DF8: @ 8146DF8
 	push {r4,lr}
 	adds r4, r0, 0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r0, [r0]
 	ldrb r1, [r0]
 	movs r3, 0
@@ -1918,7 +1970,7 @@ _08146E90:
 	ldr r0, =sub_8146F68
 	bl SetVBlankCallback
 _08146EA4:
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	adds r0, 0x1
@@ -1946,7 +1998,7 @@ sub_8146EC0: @ 8146EC0
 	strh r0, [r1, 0xA]
 	ldrh r0, [r1, 0xA]
 	bl sub_8149F2C
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r0, [r2]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -2347,7 +2399,7 @@ sub_814723C: @ 814723C
 	adds r4, r0, 0
 	bl sub_8149F08
 	bl dp12_8087EA4
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r0, 0
 	strh r0, [r1, 0x2]
@@ -2371,7 +2423,7 @@ _08147262:
 	bls _08147262
 	ldr r0, =sub_8147688
 	bl SetVBlankCallback
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r0, 0x78
 	strh r0, [r1, 0x2C]
@@ -2390,7 +2442,7 @@ sub_81472A4: @ 81472A4
 	push {r4-r7,lr}
 	sub sp, 0xC
 	adds r6, r0, 0
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -2411,7 +2463,7 @@ sub_81472A4: @ 81472A4
 	bl sub_814A1AC
 	ldr r5, =gUnknown_02038C28
 _081472D4:
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	ldr r0, [r4]
 	movs r7, 0x2A
 	ldrsh r3, [r0, r7]
@@ -2469,7 +2521,7 @@ sub_8147334: @ 8147334
 	add r1, sp, 0xC
 	movs r0, 0
 	strb r0, [r1]
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	ldr r1, [r4]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -2548,7 +2600,7 @@ _081473DE:
 	cmp r0, r2
 	bge _08147406
 	adds r3, r4, 0
-	ldr r5, =gUnknown_0203ABA0
+	ldr r5, =sTransitionStructPtr
 _081473EA:
 	ldr r2, [r5]
 	ldrh r0, [r2, 0x2A]
@@ -2587,7 +2639,7 @@ sub_8147428: @ 8147428
 	push {r4-r6,lr}
 	sub sp, 0xC
 	adds r6, r0, 0
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -2607,7 +2659,7 @@ sub_8147428: @ 8147428
 	bl sub_814A1AC
 	ldr r5, =gUnknown_02038C28
 _08147456:
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	ldr r0, [r4]
 	movs r1, 0x2A
 	ldrsh r3, [r0, r1]
@@ -2663,7 +2715,7 @@ sub_81474B0: @ 81474B0
 	add r1, sp, 0xC
 	movs r0, 0
 	strb r0, [r1]
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	ldr r1, [r4]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -2683,7 +2735,7 @@ sub_81474B0: @ 81474B0
 	bl sub_814A1AC
 	ldr r7, =gUnknown_02038C28
 	mov r10, r7
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	mov r8, r0
 	add r6, sp, 0xC
 _081474F4:
@@ -2745,7 +2797,7 @@ _0814755E:
 	ble _08147588
 	ldr r6, =gUnknown_02038C28
 	adds r3, r1, 0
-	ldr r5, =gUnknown_0203ABA0
+	ldr r5, =sTransitionStructPtr
 _0814756C:
 	ldr r2, [r5]
 	ldrh r0, [r2, 0x2A]
@@ -2762,7 +2814,7 @@ _0814756C:
 	cmp r1, r0
 	bgt _0814756C
 _08147588:
-	ldr r7, =gUnknown_0203ABA0
+	ldr r7, =sTransitionStructPtr
 	ldr r0, [r7]
 	ldrb r1, [r0]
 	adds r1, 0x1
@@ -2785,7 +2837,7 @@ sub_81475B0: @ 81475B0
 	push {r4-r7,lr}
 	sub sp, 0xC
 	adds r7, r0, 0
-	ldr r1, =gUnknown_0203ABA0
+	ldr r1, =sTransitionStructPtr
 	ldr r0, [r1]
 	ldrb r2, [r0]
 	movs r2, 0
@@ -2805,7 +2857,7 @@ sub_81475B0: @ 81475B0
 	ldr r6, =gUnknown_02038C28
 _081475DC:
 	movs r2, 0x78
-	ldr r5, =gUnknown_0203ABA0
+	ldr r5, =sTransitionStructPtr
 	ldr r3, [r5]
 	ldrh r4, [r3, 0x28]
 	movs r1, 0x28
@@ -2896,7 +2948,7 @@ sub_8147688: @ 8147688
 	strh r0, [r4, 0xA]
 	ldrh r0, [r4, 0xA]
 	bl sub_8149F2C
-	ldr r3, =gUnknown_0203ABA0
+	ldr r3, =sTransitionStructPtr
 	ldr r0, [r3]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -2976,7 +3028,7 @@ sub_8147750: @ 8147750
 	bl dp12_8087EA4
 	movs r2, 0
 	ldr r4, =gUnknown_020393A8
-	ldr r3, =gUnknown_0203ABA0
+	ldr r3, =sTransitionStructPtr
 _08147762:
 	lsls r1, r2, 1
 	adds r1, r4
@@ -3011,7 +3063,7 @@ sub_81477A8: @ 81477A8
 	push {r7}
 	sub sp, 0x4
 	adds r6, r0, 0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -3046,7 +3098,7 @@ _081477E8:
 	ldr r1, =gUnknown_02038C28
 	lsls r2, r5, 1
 	adds r2, r1
-	ldr r1, =gUnknown_0203ABA0
+	ldr r1, =sTransitionStructPtr
 	ldr r1, [r1]
 	ldrh r1, [r1, 0x16]
 	adds r0, r1
@@ -3095,7 +3147,7 @@ _08147838:
 	lsrs r0, 24
 	bl DestroyTask
 _0814785A:
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	adds r0, 0x1
@@ -3115,7 +3167,7 @@ _0814785A:
 sub_8147888: @ 8147888
 	push {lr}
 	bl sub_8149F2C
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r0, [r0]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -3191,7 +3243,7 @@ sub_8147924: @ 8147924
 	adds r4, r0, 0
 	bl sub_8149F08
 	bl dp12_8087EA4
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r2, 0
 	movs r0, 0x3F
@@ -3231,7 +3283,7 @@ sub_814797C: @ 814797C
 	mov r7, r8
 	push {r7}
 	adds r4, r0, 0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -3292,7 +3344,7 @@ _081479D8:
 	adds r0, 0x1
 	strh r0, [r4, 0x8]
 _081479F6:
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	adds r0, 0x1
@@ -3346,7 +3398,7 @@ sub_8147A58: @ 8147A58
 	strh r0, [r4, 0xA]
 	ldrh r0, [r4, 0xA]
 	bl sub_8149F2C
-	ldr r3, =gUnknown_0203ABA0
+	ldr r3, =sTransitionStructPtr
 	ldr r0, [r3]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -3517,7 +3569,7 @@ sub_8147BBC: @ 8147BBC
 	strh r0, [r4, 0xC]
 	movs r0, 0xEF
 	strh r0, [r4, 0xE]
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r0, 0x3F
 	strh r0, [r1, 0x2]
@@ -3638,7 +3690,7 @@ _08147C7E:
 sub_8147CE4: @ 8147CE4
 	push {r4-r7,lr}
 	adds r4, r0, 0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -3741,7 +3793,7 @@ _08147D9A:
 	adds r0, 0x1
 	strh r0, [r4, 0x8]
 _08147DA6:
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrh r0, [r1, 0x18]
 	subs r0, 0x8
@@ -3764,7 +3816,7 @@ _08147DA6:
 sub_8147DD0: @ 8147DD0
 	push {r4,r5,lr}
 	adds r4, r0, 0
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -3823,7 +3875,7 @@ _08147DE4:
 sub_8147E4C: @ 8147E4C
 	push {r4,lr}
 	adds r4, r0, 0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrh r0, [r1, 0x18]
 	subs r0, 0x8
@@ -3857,7 +3909,7 @@ sub_8147E88: @ 8147E88
 	mov r7, r8
 	push {r7}
 	adds r6, r0, 0
-	ldr r7, =gUnknown_0203ABA0
+	ldr r7, =sTransitionStructPtr
 	ldr r1, [r7]
 	ldrh r0, [r1, 0x18]
 	subs r0, 0x8
@@ -3934,7 +3986,7 @@ _08147F1C:
 sub_8147F40: @ 8147F40
 	push {r4-r7,lr}
 	adds r4, r0, 0
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -4041,7 +4093,7 @@ _08147FEA:
 sub_8148008: @ 8148008
 	push {r4-r6,lr}
 	adds r4, r0, 0
-	ldr r5, =gUnknown_0203ABA0
+	ldr r5, =sTransitionStructPtr
 	ldr r0, [r5]
 	ldrb r1, [r0]
 	movs r6, 0
@@ -4069,7 +4121,7 @@ sub_8148008: @ 8148008
 sub_8148040: @ 8148040
 	push {r4,r5,lr}
 	adds r4, r0, 0
-	ldr r5, =gUnknown_0203ABA0
+	ldr r5, =sTransitionStructPtr
 	ldr r1, [r5]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -4144,7 +4196,7 @@ sub_81480CC: @ 81480CC
 	strh r0, [r4, 0xA]
 	ldrh r0, [r4, 0xA]
 	bl sub_8149F2C
-	ldr r3, =gUnknown_0203ABA0
+	ldr r3, =sTransitionStructPtr
 	ldr r0, [r3]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -4200,7 +4252,7 @@ sub_8148160: @ 8148160
 	strh r0, [r4, 0xA]
 	ldrh r0, [r4, 0xA]
 	bl sub_8149F2C
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r0, [r2]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -4241,14 +4293,14 @@ sub_81481E0: @ 81481E0
 	cmp r0, 0x4F
 	bhi _08148200
 	ldr r1, =0x04000010
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r0, [r0]
 	ldrh r0, [r0, 0x18]
 	b _08148208
 	.pool
 _08148200:
 	ldr r1, =0x04000010
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r0, [r0]
 	ldrh r0, [r0, 0x1A]
 _08148208:
@@ -4653,7 +4705,7 @@ sub_8148508: @ 8148508
 	strh r0, [r5, 0xC]
 	movs r0, 0x1
 	strh r0, [r5, 0xE]
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	movs r0, 0x3F
 	strh r0, [r1, 0x2]
@@ -4706,7 +4758,7 @@ sub_8148590: @ 8148590
 	mov r7, r8
 	push {r7}
 	adds r3, r0, 0
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -4847,7 +4899,7 @@ sub_814869C: @ 814869C
 	ldrh r0, [r4, 0xA]
 	bl sub_8149F2C
 	ldr r2, =0x04000048
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrh r0, [r1, 0x2]
 	strh r0, [r2]
@@ -4948,7 +5000,7 @@ sub_8148798: @ 8148798
 	adds r6, r0, 0
 	bl sub_8149F08
 	bl dp12_8087EA4
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r2, 0
 	movs r0, 0x3F
@@ -4969,7 +5021,7 @@ _081487CC:
 	lsls r2, r4, 1
 	mov r7, r12
 	adds r1, r2, r7
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r3, [r0]
 	ldrh r0, [r3, 0x14]
 	strh r0, [r1]
@@ -5052,7 +5104,7 @@ sub_8148864: @ 8148864
 	adds r0, r4, 0
 	movs r2, 0x4
 	bl memcpy
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -5147,7 +5199,7 @@ _08148940:
 	adds r2, r0, r1
 	ldr r1, =gUnknown_02038D68
 	adds r3, r0, r1
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrh r0, [r4]
 	ldrh r1, [r1, 0x14]
@@ -5251,7 +5303,7 @@ _08148A18:
 	adds r2, r0, r1
 	ldr r1, =gUnknown_02038D68
 	adds r3, r0, r1
-	ldr r1, =gUnknown_0203ABA0
+	ldr r1, =sTransitionStructPtr
 	ldr r0, [r1]
 	ldrh r1, [r0, 0x14]
 	ldrh r0, [r4]
@@ -5322,7 +5374,7 @@ _08148A98:
 	adds r0, 0x1
 	strh r0, [r3, 0x8]
 _08148AA6:
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	adds r0, 0x1
@@ -5463,7 +5515,7 @@ sub_8148BC4: @ 8148BC4
 	adds r5, r0, 0
 	bl sub_8149F08
 	bl dp12_8087EA4
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r0, 0
 	strh r0, [r1, 0x2]
@@ -5530,7 +5582,7 @@ sub_8148C28: @ 8148C28
 	b _08148CDE
 	.pool
 _08148C6C:
-	ldr r5, =gUnknown_0203ABA0
+	ldr r5, =sTransitionStructPtr
 	ldr r1, [r5]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -5595,7 +5647,7 @@ _08148CDE:
 sub_8148CE8: @ 8148CE8
 	push {r4-r6,lr}
 	adds r4, r0, 0
-	ldr r6, =gUnknown_0203ABA0
+	ldr r6, =sTransitionStructPtr
 	ldr r0, [r6]
 	ldrb r1, [r0]
 	movs r5, 0
@@ -5660,7 +5712,7 @@ _08148D4C:
 sub_8148D6C: @ 8148D6C
 	push {r4,lr}
 	adds r4, r0, 0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -5754,7 +5806,7 @@ _08148E28:
 	adds r0, 0x1
 	strh r0, [r4, 0x14]
 _08148E3C:
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	adds r0, 0x1
@@ -6342,7 +6394,7 @@ sub_81492B4: @ 81492B4
 	movs r2, 0x80
 	lsls r2, 5
 	bl CpuSet
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r0, 0
 	strh r0, [r1, 0x20]
@@ -6491,7 +6543,7 @@ sub_8149410: @ 8149410
 	ands r0, r1
 	cmp r0, 0
 	bne _0814942E
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r0, 0x1
 	strh r0, [r1, 0x20]
@@ -6557,7 +6609,7 @@ _0814949A:
 	asrs r0, 16
 	cmp r0, 0x27
 	ble _081494F0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r0, 0
 	strh r0, [r1, 0x2]
@@ -6614,7 +6666,7 @@ sub_8149508: @ 8149508
 	strh r0, [r1, 0xA]
 	ldrh r0, [r1, 0xA]
 	bl sub_8149F2C
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r0, [r0]
 	movs r1, 0x20
 	ldrsh r0, [r0, r1]
@@ -6677,7 +6729,7 @@ sub_81495B0: @ 81495B0
 	adds r5, r0, 0
 	bl sub_8149F08
 	bl dp12_8087EA4
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r2, 0
 	movs r0, 0xBF
@@ -6782,7 +6834,7 @@ _0814963C:
 sub_814969C: @ 814969C
 	push {r4,lr}
 	adds r4, r0, 0
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	ldr r1, [r2]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -6812,7 +6864,7 @@ _081496C6:
 sub_81496D8: @ 81496D8
 	push {r4-r6,lr}
 	adds r6, r0, 0
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	ldr r0, [r4]
 	ldrb r1, [r0]
 	movs r5, 0
@@ -6854,7 +6906,7 @@ sub_81496D8: @ 81496D8
 	thumb_func_start sub_8149740
 sub_8149740: @ 8149740
 	push {lr}
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrh r0, [r1, 0x12]
 	adds r0, 0x1
@@ -6891,7 +6943,7 @@ sub_8149774: @ 8149774
 	ldrh r0, [r4, 0xA]
 	bl sub_8149F2C
 	ldr r2, =0x04000050
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrh r0, [r1, 0xE]
 	strh r0, [r2]
@@ -6936,7 +6988,7 @@ sub_8149804: @ 8149804
 	push {lr}
 	bl sub_8149F2C
 	ldr r1, =0x04000054
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r2, [r0]
 	ldrh r0, [r2, 0x12]
 	strh r0, [r1]
@@ -6992,7 +7044,7 @@ sub_8149864: @ 8149864
 	ldrsh r0, [r3, r1]
 	cmp r0, 0
 	beq _0814994C
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	movs r0, 0x1
@@ -7065,7 +7117,7 @@ _08149902:
 	ldrsh r0, [r3, r2]
 	cmp r0, 0
 	beq _08149914
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	movs r0, 0x1
@@ -7077,7 +7129,7 @@ _08149914:
 	beq _0814994C
 	movs r2, 0x3A
 	ldrsh r0, [r3, r2]
-	ldr r2, =gUnknown_0203ABA0
+	ldr r2, =sTransitionStructPtr
 	cmp r0, 0
 	beq _0814993E
 	ldr r0, [r2]
@@ -7271,7 +7323,7 @@ sub_8149AA4: @ 8149AA4
 	adds r5, r0, 0
 	bl sub_8149F08
 	bl dp12_8087EA4
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	movs r2, 0
 	movs r0, 0x3F
@@ -7317,7 +7369,7 @@ sub_8149B08: @ 8149B08
 	push {r6}
 	sub sp, 0xC
 	mov r8, r0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r0, [r0]
 	adds r0, 0x24
 	ldr r6, =gUnknown_085C8DD0
@@ -7378,7 +7430,7 @@ sub_8149B84: @ 8149B84
 	mov r6, r8
 	push {r6,r7}
 	adds r6, r0, 0
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	movs r0, 0
@@ -7389,7 +7441,7 @@ sub_8149B84: @ 8149B84
 	mov r9, r0
 _08149BA0:
 	ldr r1, =gUnknown_02038C28
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r2, [r0]
 	movs r3, 0x2A
 	ldrsh r0, [r2, r3]
@@ -7431,7 +7483,7 @@ _08149BEA:
 	bgt _08149BF4
 	lsrs r5, r1, 16
 _08149BF4:
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r4, [r0]
 	movs r0, 0x2A
 	ldrsh r2, [r4, r0]
@@ -7469,7 +7521,7 @@ _08149C1C:
 	cmp r0, 0xF
 	ble _08149BA0
 _08149C40:
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	adds r0, 0x1
@@ -7568,7 +7620,7 @@ sub_8149CE8: @ 8149CE8
 	strh r0, [r4, 0xA]
 	ldrh r0, [r4, 0xA]
 	bl sub_8149F2C
-	ldr r3, =gUnknown_0203ABA0
+	ldr r3, =sTransitionStructPtr
 	ldr r0, [r3]
 	ldrb r0, [r0]
 	cmp r0, 0
@@ -7824,7 +7876,7 @@ _08149EFE:
 	thumb_func_start sub_8149F08
 sub_8149F08: @ 8149F08
 	push {r4,lr}
-	ldr r4, =gUnknown_0203ABA0
+	ldr r4, =sTransitionStructPtr
 	ldr r0, [r4]
 	movs r1, 0
 	movs r2, 0x3C
@@ -8538,7 +8590,7 @@ sub_814A42C: @ 814A42C
 	movs r0, 0xA0
 	lsls r0, 4
 	strh r0, [r4, 0x16]
-	ldr r6, =gUnknown_0203ABA0
+	ldr r6, =sTransitionStructPtr
 	ldr r2, [r6]
 	ldr r3, =0x00003f41
 	strh r3, [r2, 0xE]
@@ -8609,7 +8661,7 @@ sub_814A500: @ 814A500
 	movs r2, 0
 	ldr r6, =sub_814A684
 	ldr r4, =gUnknown_020393A8
-	ldr r3, =gUnknown_0203ABA0
+	ldr r3, =sTransitionStructPtr
 _0814A50C:
 	lsls r1, r2, 1
 	adds r1, r4
@@ -8644,7 +8696,7 @@ sub_814A550: @ 814A550
 	push {r7}
 	sub sp, 0x4
 	adds r4, r0, 0
-	ldr r1, =gUnknown_0203ABA0
+	ldr r1, =sTransitionStructPtr
 	ldr r0, [r1]
 	ldrb r2, [r0]
 	movs r3, 0
@@ -8721,7 +8773,7 @@ _0814A5E4:
 	ldr r1, =gUnknown_02038C28
 	lsls r2, r5, 1
 	adds r2, r1
-	ldr r1, =gUnknown_0203ABA0
+	ldr r1, =sTransitionStructPtr
 	ldr r1, [r1]
 	ldrh r1, [r1, 0x16]
 	adds r0, r1
@@ -8772,7 +8824,7 @@ _0814A654:
 	ldrh r0, [r4, 0x16]
 	subs r0, 0x11
 	strh r0, [r4, 0x16]
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	adds r0, 0x1
@@ -8793,7 +8845,7 @@ sub_814A684: @ 814A684
 	push {lr}
 	bl sub_8149F2C
 	ldr r2, =0x04000050
-	ldr r0, =gUnknown_0203ABA0
+	ldr r0, =sTransitionStructPtr
 	ldr r1, [r0]
 	ldrh r0, [r1, 0xE]
 	strh r0, [r2]

asm/rom_8145E84.s

@@ -1,60 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sub_8145E84
-sub_8145E84: @ 8145E84
-	push {r4,lr}
-	ldr r4, =gUnknown_0300120B
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _08145E98
-	cmp r0, 0x1
-	beq _08145EAC
-	b _08145EC0
-	.pool
-_08145E98:
-	ldr r0, =gUnknown_0300120A
-	ldrb r0, [r0]
-	bl sub_8145F6C
-	ldrb r0, [r4]
-	adds r0, 0x1
-	strb r0, [r4]
-	b _08145EC0
-	.pool
-_08145EAC:
-	bl sub_8145F20
-	lsls r0, 24
-	cmp r0, 0
-	beq _08145EC0
-	movs r0, 0
-	strb r0, [r4]
-	ldr r0, =c2_exit_to_overworld_2_switch
-	bl SetMainCallback2
-_08145EC0:
-	bl RunTasks
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8145E84
-
-	thumb_func_start sub_8145EDC
-sub_8145EDC: @ 8145EDC
-	push {lr}
-	ldr r1, =gUnknown_0300120A
-	strb r0, [r1]
-	ldr r0, =sub_8145E84
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8145EDC
-
-	.align 2, 0 @ Don't pad with nop.

asm/rom_8161F74.s

@@ -3186,7 +3186,7 @@ sub_8163A8C: @ 8163A8C
 	push {r4,lr}
 	lsls r0, 24
 	lsrs r4, r0, 24
-	bl sub_8145F20
+	bl IsBattleTransitionDone
 	lsls r0, 24
 	lsrs r0, 24
 	cmp r0, 0x1

ld_script.txt

@@ -173,7 +173,6 @@ SECTIONS {
         asm/coins.o(.text);
         asm/landmark.o(.text);
         asm/fldeff_strength.o(.text);
-        asm/rom_8145E84.o(.text);
         asm/battle_transition.o(.text);
         asm/battle_controller_linkpartner.o(.text);
         asm/battle_message.o(.text);

sym_bss.txt

@@ -336,10 +336,10 @@ gUnknown_03001204: @ 3001204
 gUnknown_03001208: @ 3001208
 	.space 0x2
 
-gUnknown_0300120A: @ 300120A
+sTestingTransitionId: @ 300120A
 	.space 0x1
 
-gUnknown_0300120B: @ 300120B
+sTestingTransitionState: @ 300120B
 	.space 0x5
 
 gUnknown_03001210: @ 3001210

sym_ewram.txt

@@ -1620,7 +1620,7 @@ gUnknown_0203AB98: @ 203AB98
 gUnknown_0203AB9C: @ 203AB9C
 	.space 0x4
 
-gUnknown_0203ABA0: @ 203ABA0
+sTransitionStructPtr: @ 203ABA0
 	.space 0x4
 
 gUnknown_0203ABA4: @ 203ABA4