initial decompilation of some field system code

6 files changed, 1326 insertions, 3303 deletions

diff --git a/asm/rom4.s b/asm/rom4.s
index 940d3e641..6843efb15 100644
--- a/asm/rom4.s
+++ b/asm/rom4.s
@@ -5,3306 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8052F5C
-sub_8052F5C: @ 8052F5C
-	push {lr}
-	ldr r0, _08052F88
-	bl ScriptContext2_RunNewScript
-	ldr r1, _08052F8C
-	movs r0, 0x92
-	lsls r0, 3
-	adds r1, r0
-	ldr r0, [r1]
-	lsrs r0, 1
-	str r0, [r1]
-	bl sp000_heal_pokemon
-	bl sub_8053050
-	bl sub_8053570
-	bl warp_in
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08052F88: .4byte gUnknown_0819FC74
-_08052F8C: .4byte gSaveBlock1
-	thumb_func_end sub_8052F5C
-
-	thumb_func_start flag_var_implications_of_teleport_
-flag_var_implications_of_teleport_: @ 8052F90
-	push {lr}
-	bl player_avatar_init_params_reset
-	ldr r0, _08052FB8
-	bl FlagReset
-	ldr r0, _08052FBC
-	bl FlagReset
-	ldr r0, _08052FC0
-	bl FlagReset
-	ldr r0, _08052FC4
-	bl FlagReset
-	ldr r0, _08052FC8
-	bl FlagReset
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08052FB8: .4byte 0x0000082b
-_08052FBC: .4byte 0x0000082d
-_08052FC0: .4byte 0x0000082c
-_08052FC4: .4byte 0x00000829
-_08052FC8: .4byte 0x00000828
-	thumb_func_end flag_var_implications_of_teleport_
-
-	thumb_func_start new_game
-new_game: @ 8052FCC
-	push {lr}
-	bl player_avatar_init_params_reset
-	ldr r0, _08052FFC
-	bl FlagReset
-	ldr r0, _08053000
-	bl FlagReset
-	ldr r0, _08053004
-	bl FlagReset
-	ldr r0, _08053008
-	bl FlagReset
-	ldr r0, _0805300C
-	bl FlagReset
-	ldr r0, _08053010
-	bl ScriptContext2_RunNewScript
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08052FFC: .4byte 0x0000082b
-_08053000: .4byte 0x0000082d
-_08053004: .4byte 0x0000082c
-_08053008: .4byte 0x00000829
-_0805300C: .4byte 0x00000828
-_08053010: .4byte gUnknown_0819FC9F
-	thumb_func_end new_game
-
-	thumb_func_start sub_8053014
-sub_8053014: @ 8053014
-	push {lr}
-	bl player_avatar_init_params_reset
-	ldr r0, _0805303C
-	bl FlagReset
-	ldr r0, _08053040
-	bl FlagReset
-	ldr r0, _08053044
-	bl FlagReset
-	ldr r0, _08053048
-	bl FlagReset
-	ldr r0, _0805304C
-	bl FlagReset
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805303C: .4byte 0x0000082b
-_08053040: .4byte 0x0000082d
-_08053044: .4byte 0x0000082c
-_08053048: .4byte 0x00000829
-_0805304C: .4byte 0x00000828
-	thumb_func_end sub_8053014
-
-	thumb_func_start sub_8053050
-sub_8053050: @ 8053050
-	push {lr}
-	bl player_avatar_init_params_reset
-	ldr r0, _08053078
-	bl FlagReset
-	ldr r0, _0805307C
-	bl FlagReset
-	ldr r0, _08053080
-	bl FlagReset
-	ldr r0, _08053084
-	bl FlagReset
-	ldr r0, _08053088
-	bl FlagReset
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053078: .4byte 0x0000082b
-_0805307C: .4byte 0x0000082d
-_08053080: .4byte 0x0000082c
-_08053084: .4byte 0x00000829
-_08053088: .4byte 0x00000828
-	thumb_func_end sub_8053050
-
-	thumb_func_start sub_805308C
-sub_805308C: @ 805308C
-	push {lr}
-	ldr r0, _080530A8
-	bl FlagReset
-	bl sub_8054164
-	bl wild_pokemon_reroll
-	bl mapnumbers_history_shift_sav1_0_2_4_out
-	bl sub_8134348
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080530A8: .4byte 0x0000082c
-	thumb_func_end sub_805308C
-
-	thumb_func_start sub_80530AC
-sub_80530AC: @ 80530AC
-	push {lr}
-	ldr r0, _080530C8
-	movs r2, 0
-	movs r1, 0x31
-	ldr r3, _080530CC
-	adds r0, r3
-_080530B8:
-	str r2, [r0]
-	subs r0, 0x4
-	subs r1, 0x1
-	cmp r1, 0
-	bge _080530B8
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080530C8: .4byte gSaveBlock1
-_080530CC: .4byte 0x00001604
-	thumb_func_end sub_80530AC
-
-	thumb_func_start sav12_xor_increment
-sav12_xor_increment: @ 80530D0
-	push {lr}
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x31
-	bhi _08053100
-	ldr r0, _080530F4
-	lsls r1, 2
-	movs r2, 0xAA
-	lsls r2, 5
-	adds r0, r2
-	adds r1, r0
-	ldr r2, [r1]
-	ldr r0, _080530F8
-	cmp r2, r0
-	bhi _080530FC
-	adds r0, r2, 0x1
-	b _080530FE
-	.align 2, 0
-_080530F4: .4byte gSaveBlock1
-_080530F8: .4byte 0x00fffffe
-_080530FC:
-	ldr r0, _08053104
-_080530FE:
-	str r0, [r1]
-_08053100:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053104: .4byte 0x00ffffff
-	thumb_func_end sav12_xor_increment
-
-	thumb_func_start sub_8053108
-sub_8053108: @ 8053108
-	push {lr}
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x31
-	bhi _08053128
-	ldr r0, _08053124
-	lsls r1, 2
-	movs r2, 0xAA
-	lsls r2, 5
-	adds r0, r2
-	adds r1, r0
-	ldr r0, [r1]
-	b _0805312A
-	.align 2, 0
-_08053124: .4byte gSaveBlock1
-_08053128:
-	movs r0, 0
-_0805312A:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053108
-
-	thumb_func_start sav12_xor_set
-sav12_xor_set: @ 8053130
-	push {lr}
-	adds r2, r1, 0
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x31
-	bhi _0805314A
-	ldr r0, _08053150
-	lsls r1, 2
-	movs r3, 0xAA
-	lsls r3, 5
-	adds r0, r3
-	adds r1, r0
-	str r2, [r1]
-_0805314A:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053150: .4byte gSaveBlock1
-	thumb_func_end sav12_xor_set
-
-	thumb_func_start sub_8053154
-sub_8053154: @ 8053154
-	push {r4,lr}
-	sub sp, 0x4
-	movs r0, 0
-	str r0, [sp]
-	ldr r4, _0805318C
-	ldr r2, _08053190
-	mov r0, sp
-	adds r1, r4, 0
-	bl CpuSet
-	ldr r0, _08053194
-	ldr r1, [r0, 0x4]
-	ldr r0, [r1, 0x4]
-	ldrb r1, [r1]
-	lsls r2, r1, 1
-	adds r2, r1
-	lsls r2, 1
-	movs r1, 0x80
-	lsls r1, 19
-	orrs r2, r1
-	adds r1, r4, 0
-	bl CpuSet
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805318C: .4byte gSaveBlock1 + 0xC20
-_08053190: .4byte 0x05000180
-_08053194: .4byte gMapHeader
-	thumb_func_end sub_8053154
-
-	thumb_func_start sub_8053198
-sub_8053198: @ 8053198
-	push {lr}
-	ldr r0, _080531B8
-	ldr r0, [r0, 0x4]
-	ldr r1, [r0, 0x4]
-	ldr r3, _080531BC
-	movs r2, 0x3F
-_080531A4:
-	ldr r0, [r1, 0x10]
-	str r0, [r3, 0x10]
-	adds r1, 0x18
-	adds r3, 0x18
-	subs r2, 0x1
-	cmp r2, 0
-	bge _080531A4
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080531B8: .4byte gMapHeader
-_080531BC: .4byte gSaveBlock1 + 0xC20
-	thumb_func_end sub_8053198
-
-	thumb_func_start update_saveblock1_field_object_coords
-update_saveblock1_field_object_coords: @ 80531C0
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	lsls r1, 16
-	lsrs r4, r1, 16
-	lsls r2, 16
-	lsrs r2, 16
-	movs r1, 0
-	ldr r3, _080531E0
-_080531D2:
-	ldrb r0, [r3]
-	cmp r0, r5
-	bne _080531E4
-	strh r4, [r3, 0x4]
-	strh r2, [r3, 0x6]
-	b _080531EC
-	.align 2, 0
-_080531E0: .4byte gSaveBlock1 + 0xC20
-_080531E4:
-	adds r3, 0x18
-	adds r1, 0x1
-	cmp r1, 0x3F
-	ble _080531D2
-_080531EC:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end update_saveblock1_field_object_coords
-
-	thumb_func_start update_saveblock1_field_object_movement_behavior
-update_saveblock1_field_object_movement_behavior: @ 80531F4
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	lsls r1, 24
-	lsrs r1, 24
-	movs r3, 0
-	ldr r2, _0805320C
-_08053202:
-	ldrb r0, [r2]
-	cmp r0, r4
-	bne _08053210
-	strb r1, [r2, 0x9]
-	b _08053218
-	.align 2, 0
-_0805320C: .4byte gSaveBlock1 + 0xC20
-_08053210:
-	adds r2, 0x18
-	adds r3, 0x1
-	cmp r3, 0x3F
-	ble _08053202
-_08053218:
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end update_saveblock1_field_object_movement_behavior
-
-	thumb_func_start mapdata_load_assets_to_gpu_and_full_redraw
-mapdata_load_assets_to_gpu_and_full_redraw: @ 8053220
-	push {r4,lr}
-	bl move_tilemap_camera_to_upper_left_corner
-	ldr r4, _08053244
-	ldr r0, [r4]
-	bl copy_map_tileset1_tileset2_to_vram
-	ldr r0, [r4]
-	bl apply_map_tileset1_tileset2_palette
-	bl DrawWholeMapView
-	bl cur_mapheader_run_tileset_funcs_after_some_cpuset
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053244: .4byte gMapHeader
-	thumb_func_end mapdata_load_assets_to_gpu_and_full_redraw
-
-	thumb_func_start get_mapdata_header
-get_mapdata_header: @ 8053248
-	push {lr}
-	ldr r0, _08053258
-	ldrh r1, [r0, 0x32]
-	cmp r1, 0
-	bne _0805325C
-	movs r0, 0
-	b _08053266
-	.align 2, 0
-_08053258: .4byte gSaveBlock1
-_0805325C:
-	ldr r0, _0805326C
-	subs r1, 0x1
-	lsls r1, 2
-	adds r1, r0
-	ldr r0, [r1]
-_08053266:
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0805326C: .4byte gMapAttributes
-	thumb_func_end get_mapdata_header
-
-	thumb_func_start warp_shift
-warp_shift: @ 8053270
-	ldr r2, _0805329C
-	ldr r3, _080532A0
-	ldr r0, [r3, 0x4]
-	ldr r1, [r3, 0x8]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	ldr r0, _080532A4
-	ldr r1, [r0, 0x4]
-	ldr r0, [r0]
-	str r0, [r3, 0x4]
-	str r1, [r3, 0x8]
-	ldr r2, _080532A8
-	ldr r0, _080532AC
-	ldr r1, [r0, 0x4]
-	ldr r0, [r0]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	ldr r2, _080532B0
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	bx lr
-	.align 2, 0
-_0805329C: .4byte gUnknown_020297F0
-_080532A0: .4byte gSaveBlock1
-_080532A4: .4byte gUnknown_020297F8
-_080532A8: .4byte gUnknown_02029800
-_080532AC: .4byte gDummyWarpData
-_080532B0: .4byte gUnknown_02029808
-	thumb_func_end warp_shift
-
-	thumb_func_start warp_set
-warp_set: @ 80532B4
-	push {r4,r5,lr}
-	ldr r4, [sp, 0xC]
-	ldr r5, [sp, 0x10]
-	strb r1, [r0]
-	strb r2, [r0, 0x1]
-	strb r3, [r0, 0x2]
-	lsls r4, 24
-	asrs r4, 24
-	strh r4, [r0, 0x4]
-	lsls r5, 24
-	asrs r5, 24
-	strh r5, [r0, 0x6]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end warp_set
-
-	thumb_func_start warp_data_is_not_neg_1
-warp_data_is_not_neg_1: @ 80532D4
-	push {lr}
-	adds r1, r0, 0
-	movs r2, 0
-	ldrsb r2, [r1, r2]
-	movs r0, 0x1
-	negs r0, r0
-	cmp r2, r0
-	bne _08053308
-	movs r0, 0x1
-	ldrsb r0, [r1, r0]
-	cmp r0, r2
-	bne _08053308
-	movs r2, 0x2
-	ldrsb r2, [r1, r2]
-	cmp r2, r0
-	bne _08053308
-	movs r0, 0x4
-	ldrsh r3, [r1, r0]
-	cmp r3, r2
-	bne _08053308
-	movs r2, 0x6
-	ldrsh r0, [r1, r2]
-	cmp r0, r3
-	bne _08053308
-	movs r0, 0x1
-	b _0805330A
-_08053308:
-	movs r0, 0
-_0805330A:
-	pop {r1}
-	bx r1
-	thumb_func_end warp_data_is_not_neg_1
-
-	thumb_func_start get_mapheader_by_bank_and_number
-get_mapheader_by_bank_and_number: @ 8053310
-	lsls r0, 16
-	lsls r1, 16
-	ldr r2, _08053324
-	lsrs r0, 14
-	adds r0, r2
-	ldr r0, [r0]
-	lsrs r1, 14
-	adds r1, r0
-	ldr r0, [r1]
-	bx lr
-	.align 2, 0
-_08053324: .4byte gMapGroups
-	thumb_func_end get_mapheader_by_bank_and_number
-
-	thumb_func_start warp1_get_mapheader
-warp1_get_mapheader: @ 8053328
-	push {lr}
-	ldr r1, _08053348
-	movs r0, 0
-	ldrsb r0, [r1, r0]
-	lsls r0, 16
-	lsrs r0, 16
-	ldrb r1, [r1, 0x1]
-	lsls r1, 24
-	asrs r1, 24
-	lsls r1, 16
-	lsrs r1, 16
-	bl get_mapheader_by_bank_and_number
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08053348: .4byte gUnknown_020297F8
-	thumb_func_end warp1_get_mapheader
-
-	thumb_func_start set_current_map_header_from_sav1_save_old_name
-set_current_map_header_from_sav1_save_old_name: @ 805334C
-	push {r4-r6,lr}
-	ldr r5, _08053384
-	ldr r4, _08053388
-	movs r0, 0x4
-	ldrsb r0, [r4, r0]
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x5
-	ldrsb r1, [r4, r1]
-	lsls r1, 16
-	lsrs r1, 16
-	bl get_mapheader_by_bank_and_number
-	adds r1, r5, 0
-	ldm r0!, {r2,r3,r6}
-	stm r1!, {r2,r3,r6}
-	ldm r0!, {r2,r3,r6}
-	stm r1!, {r2,r3,r6}
-	ldr r0, [r0]
-	str r0, [r1]
-	ldrh r0, [r5, 0x12]
-	strh r0, [r4, 0x32]
-	bl get_mapdata_header
-	str r0, [r5]
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053384: .4byte gMapHeader
-_08053388: .4byte gSaveBlock1
-	thumb_func_end set_current_map_header_from_sav1_save_old_name
-
-	thumb_func_start sub_805338C
-sub_805338C: @ 805338C
-	push {r4,r5,lr}
-	ldr r4, _080533C4
-	ldr r1, _080533C8
-	movs r0, 0x4
-	ldrsb r0, [r1, r0]
-	lsls r0, 16
-	lsrs r0, 16
-	ldrb r1, [r1, 0x5]
-	lsls r1, 24
-	asrs r1, 24
-	lsls r1, 16
-	lsrs r1, 16
-	bl get_mapheader_by_bank_and_number
-	adds r1, r4, 0
-	ldm r0!, {r2,r3,r5}
-	stm r1!, {r2,r3,r5}
-	ldm r0!, {r2,r3,r5}
-	stm r1!, {r2,r3,r5}
-	ldr r0, [r0]
-	str r0, [r1]
-	bl get_mapdata_header
-	str r0, [r4]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080533C4: .4byte gMapHeader
-_080533C8: .4byte gSaveBlock1
-	thumb_func_end sub_805338C
-
-	thumb_func_start sub_80533CC
-sub_80533CC: @ 80533CC
-	push {r4,lr}
-	ldr r0, _080533FC
-	movs r1, 0x6
-	ldrsb r1, [r0, r1]
-	adds r3, r0, 0
-	cmp r1, 0
-	blt _08053404
-	movs r1, 0x6
-	ldrsb r1, [r3, r1]
-	ldr r0, _08053400
-	ldr r2, [r0, 0x4]
-	ldrb r0, [r2, 0x1]
-	cmp r1, r0
-	bge _08053404
-	ldr r0, [r2, 0x8]
-	lsls r1, 3
-	adds r0, r1, r0
-	ldrh r0, [r0]
-	strh r0, [r3]
-	ldr r0, [r2, 0x8]
-	adds r1, r0
-	ldrh r0, [r1, 0x2]
-	b _08053434
-	.align 2, 0
-_080533FC: .4byte gSaveBlock1
-_08053400: .4byte gMapHeader
-_08053404:
-	ldrh r2, [r3, 0x8]
-	movs r1, 0x8
-	ldrsh r0, [r3, r1]
-	cmp r0, 0
-	blt _0805341E
-	ldrh r1, [r3, 0xA]
-	movs r4, 0xA
-	ldrsh r0, [r3, r4]
-	cmp r0, 0
-	blt _0805341E
-	strh r2, [r3]
-	strh r1, [r3, 0x2]
-	b _08053436
-_0805341E:
-	ldr r0, _0805343C
-	ldr r2, [r0]
-	ldr r0, [r2]
-	lsrs r1, r0, 31
-	adds r0, r1
-	asrs r0, 1
-	strh r0, [r3]
-	ldr r0, [r2, 0x4]
-	lsrs r1, r0, 31
-	adds r0, r1
-	asrs r0, 1
-_08053434:
-	strh r0, [r3, 0x2]
-_08053436:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805343C: .4byte gMapHeader
-	thumb_func_end sub_80533CC
-
-	thumb_func_start warp_in
-warp_in: @ 8053440
-	push {lr}
-	bl warp_shift
-	bl set_current_map_header_from_sav1_save_old_name
-	bl sub_80533CC
-	pop {r0}
-	bx r0
-	thumb_func_end warp_in
-
-	thumb_func_start warp1_set
-warp1_set: @ 8053454
-	push {r4-r6,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r6, r2, 0
-	ldr r1, [sp, 0x18]
-	ldr r0, _0805348C
-	lsls r4, 24
-	asrs r4, 24
-	lsls r5, 24
-	asrs r5, 24
-	lsls r6, 24
-	asrs r6, 24
-	lsls r3, 24
-	asrs r3, 24
-	str r3, [sp]
-	lsls r1, 24
-	asrs r1, 24
-	str r1, [sp, 0x4]
-	adds r1, r4, 0
-	adds r2, r5, 0
-	adds r3, r6, 0
-	bl warp_set
-	add sp, 0x8
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805348C: .4byte gUnknown_020297F8
-	thumb_func_end warp1_set
-
-	thumb_func_start warp1_set_2
-warp1_set_2: @ 8053490
-	push {lr}
-	sub sp, 0x4
-	lsls r0, 24
-	asrs r0, 24
-	lsls r1, 24
-	asrs r1, 24
-	lsls r2, 24
-	asrs r2, 24
-	movs r3, 0x1
-	negs r3, r3
-	str r3, [sp]
-	bl warp1_set
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	thumb_func_end warp1_set_2
-
-	thumb_func_start saved_warp2_set
-saved_warp2_set: @ 80534B0
-	push {r4,r5,lr}
-	sub sp, 0x8
-	ldr r0, _080534E8
-	lsls r1, 24
-	asrs r1, 24
-	lsls r2, 24
-	asrs r2, 24
-	lsls r3, 24
-	asrs r3, 24
-	movs r4, 0x14
-	negs r4, r4
-	adds r4, r0
-	mov r12, r4
-	ldrb r4, [r4]
-	lsls r4, 24
-	asrs r4, 24
-	str r4, [sp]
-	mov r5, r12
-	movs r4, 0x2
-	ldrsb r4, [r5, r4]
-	str r4, [sp, 0x4]
-	bl warp_set
-	add sp, 0x8
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080534E8: .4byte gSaveBlock1 + 0x14
-	thumb_func_end saved_warp2_set
-
-	thumb_func_start saved_warp2_set_2
-saved_warp2_set_2: @ 80534EC
-	push {r4,r5,lr}
-	sub sp, 0x8
-	ldr r4, [sp, 0x14]
-	ldr r5, [sp, 0x18]
-	ldr r0, _0805351C
-	lsls r1, 24
-	asrs r1, 24
-	lsls r2, 24
-	asrs r2, 24
-	lsls r3, 24
-	asrs r3, 24
-	lsls r4, 24
-	asrs r4, 24
-	str r4, [sp]
-	lsls r5, 24
-	asrs r5, 24
-	str r5, [sp, 0x4]
-	bl warp_set
-	add sp, 0x8
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805351C: .4byte gSaveBlock1 + 0x14
-	thumb_func_end saved_warp2_set_2
-
-	thumb_func_start copy_saved_warp2_bank_and_enter_x_to_warp1
-copy_saved_warp2_bank_and_enter_x_to_warp1: @ 8053520
-	ldr r2, _08053530
-	ldr r0, _08053534
-	ldr r1, [r0, 0x18]
-	ldr r0, [r0, 0x14]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	bx lr
-	.align 2, 0
-_08053530: .4byte gUnknown_020297F8
-_08053534: .4byte gSaveBlock1
-	thumb_func_end copy_saved_warp2_bank_and_enter_x_to_warp1
-
-	thumb_func_start sub_8053538
-sub_8053538: @ 8053538
-	push {r4,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_80FA8CC
-	adds r4, r0, 0
-	cmp r4, 0
-	beq _08053566
-	movs r0, 0
-	ldrsb r0, [r4, r0]
-	movs r1, 0x1
-	ldrsb r1, [r4, r1]
-	movs r2, 0x1
-	negs r2, r2
-	movs r3, 0x2
-	ldrsb r3, [r4, r3]
-	ldrb r4, [r4, 0x4]
-	lsls r4, 24
-	asrs r4, 24
-	str r4, [sp]
-	bl warp1_set
-_08053566:
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8053538
-
-	thumb_func_start sub_8053570
-sub_8053570: @ 8053570
-	ldr r2, _08053580
-	ldr r0, _08053584
-	ldr r1, [r0, 0x20]
-	ldr r0, [r0, 0x1C]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	bx lr
-	.align 2, 0
-_08053580: .4byte gUnknown_020297F8
-_08053584: .4byte gSaveBlock1
-	thumb_func_end sub_8053570
-
-	thumb_func_start sub_8053588
-sub_8053588: @ 8053588
-	push {r4,r5,lr}
-	sub sp, 0x8
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_80FA8CC
-	adds r5, r0, 0
-	cmp r5, 0
-	beq _080535B8
-	ldr r0, _080535C0
-	movs r1, 0
-	ldrsb r1, [r5, r1]
-	movs r2, 0x1
-	ldrsb r2, [r5, r2]
-	movs r3, 0x1
-	negs r3, r3
-	movs r4, 0x2
-	ldrsb r4, [r5, r4]
-	str r4, [sp]
-	movs r4, 0x4
-	ldrsb r4, [r5, r4]
-	str r4, [sp, 0x4]
-	bl warp_set
-_080535B8:
-	add sp, 0x8
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080535C0: .4byte gSaveBlock1 + 0x1C
-	thumb_func_end sub_8053588
-
-	thumb_func_start sub_80535C4
-sub_80535C4: @ 80535C4
-	push {r4-r7,lr}
-	sub sp, 0x4
-	lsls r0, 16
-	lsrs r6, r0, 16
-	lsls r1, 16
-	lsrs r7, r1, 16
-	bl sav1_map_get_light_level
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r1, _08053634
-	movs r0, 0
-	ldrsb r0, [r1, r0]
-	ldrb r1, [r1, 0x1]
-	lsls r1, 24
-	asrs r1, 24
-	bl get_map_light_level_by_bank_and_number
-	lsls r0, 24
-	lsrs r5, r0, 24
-	adds r0, r4, 0
-	bl is_light_level_1_2_3_5_or_6
-	lsls r0, 24
-	cmp r0, 0
-	beq _0805362A
-	adds r0, r5, 0
-	bl is_light_level_1_2_3_5_or_6
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _0805362A
-	ldr r1, _08053638
-	movs r0, 0x4
-	ldrsb r0, [r1, r0]
-	ldrb r1, [r1, 0x5]
-	lsls r1, 24
-	asrs r1, 24
-	movs r2, 0x1
-	negs r2, r2
-	subs r3, r6, 0x7
-	lsls r3, 24
-	asrs r3, 24
-	subs r4, r7, 0x6
-	lsls r4, 24
-	asrs r4, 24
-	str r4, [sp]
-	bl sub_805363C
-_0805362A:
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053634: .4byte gUnknown_020297F8
-_08053638: .4byte gSaveBlock1
-	thumb_func_end sub_80535C4
-
-	thumb_func_start sub_805363C
-sub_805363C: @ 805363C
-	push {r4-r6,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r6, r2, 0
-	ldr r1, [sp, 0x18]
-	ldr r0, _08053674
-	lsls r4, 24
-	asrs r4, 24
-	lsls r5, 24
-	asrs r5, 24
-	lsls r6, 24
-	asrs r6, 24
-	lsls r3, 24
-	asrs r3, 24
-	str r3, [sp]
-	lsls r1, 24
-	asrs r1, 24
-	str r1, [sp, 0x4]
-	adds r1, r4, 0
-	adds r2, r5, 0
-	adds r3, r6, 0
-	bl warp_set
-	add sp, 0x8
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053674: .4byte gSaveBlock1 + 0x24
-	thumb_func_end sub_805363C
-
-	thumb_func_start sub_8053678
-sub_8053678: @ 8053678
-	ldr r2, _08053688
-	ldr r0, _0805368C
-	ldr r1, [r0, 0x28]
-	ldr r0, [r0, 0x24]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	bx lr
-	.align 2, 0
-_08053688: .4byte gUnknown_020297F8
-_0805368C: .4byte gSaveBlock1
-	thumb_func_end sub_8053678
-
-	thumb_func_start sub_8053690
-sub_8053690: @ 8053690
-	push {r4-r6,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r6, r2, 0
-	ldr r1, [sp, 0x18]
-	ldr r0, _080536C8
-	lsls r4, 24
-	asrs r4, 24
-	lsls r5, 24
-	asrs r5, 24
-	lsls r6, 24
-	asrs r6, 24
-	lsls r3, 24
-	asrs r3, 24
-	str r3, [sp]
-	lsls r1, 24
-	asrs r1, 24
-	str r1, [sp, 0x4]
-	adds r1, r4, 0
-	adds r2, r5, 0
-	adds r3, r6, 0
-	bl warp_set
-	add sp, 0x8
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080536C8: .4byte gUnknown_02029800
-	thumb_func_end sub_8053690
-
-	thumb_func_start warp1_set_to_warp2
-warp1_set_to_warp2: @ 80536CC
-	ldr r2, _080536DC
-	ldr r0, _080536E0
-	ldr r1, [r0, 0x4]
-	ldr r0, [r0]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	bx lr
-	.align 2, 0
-_080536DC: .4byte gUnknown_020297F8
-_080536E0: .4byte gUnknown_02029800
-	thumb_func_end warp1_set_to_warp2
-
-	thumb_func_start sub_80536E4
-sub_80536E4: @ 80536E4
-	push {r4-r6,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r6, r2, 0
-	ldr r1, [sp, 0x18]
-	ldr r0, _0805371C
-	lsls r4, 24
-	asrs r4, 24
-	lsls r5, 24
-	asrs r5, 24
-	lsls r6, 24
-	asrs r6, 24
-	lsls r3, 24
-	asrs r3, 24
-	str r3, [sp]
-	lsls r1, 24
-	asrs r1, 24
-	str r1, [sp, 0x4]
-	adds r1, r4, 0
-	adds r2, r5, 0
-	adds r3, r6, 0
-	bl warp_set
-	add sp, 0x8
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805371C: .4byte gUnknown_02029808
-	thumb_func_end sub_80536E4
-
-	thumb_func_start sub_8053720
-sub_8053720: @ 8053720
-	push {r4-r6,lr}
-	sub sp, 0x4
-	lsls r0, 16
-	lsrs r5, r0, 16
-	lsls r1, 16
-	lsrs r6, r1, 16
-	ldr r4, _08053748
-	adds r0, r4, 0
-	bl warp_data_is_not_neg_1
-	cmp r0, 0x1
-	bne _08053754
-	ldr r2, _0805374C
-	ldr r0, _08053750
-	ldr r1, [r0, 0x4]
-	ldr r0, [r0]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	b _0805376E
-	.align 2, 0
-_08053748: .4byte gUnknown_02029808
-_0805374C: .4byte gUnknown_020297F8
-_08053750: .4byte gUnknown_020297F0
-_08053754:
-	movs r0, 0
-	ldrsb r0, [r4, r0]
-	movs r1, 0x1
-	ldrsb r1, [r4, r1]
-	movs r2, 0x1
-	negs r2, r2
-	lsls r3, r5, 24
-	asrs r3, 24
-	lsls r4, r6, 24
-	asrs r4, 24
-	str r4, [sp]
-	bl warp1_set
-_0805376E:
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8053720
-
-	thumb_func_start sub_8053778
-sub_8053778: @ 8053778
-	ldr r2, _08053788
-	ldr r0, _0805378C
-	ldr r1, [r0, 0x10]
-	ldr r0, [r0, 0xC]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	bx lr
-	.align 2, 0
-_08053788: .4byte gUnknown_020297F8
-_0805378C: .4byte gSaveBlock1
-	thumb_func_end sub_8053778
-
-	thumb_func_start unref_sub_8053790
-unref_sub_8053790: @ 8053790
-	push {r4-r6,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r6, r2, 0
-	ldr r1, [sp, 0x18]
-	ldr r0, _080537C8
-	lsls r4, 24
-	asrs r4, 24
-	lsls r5, 24
-	asrs r5, 24
-	lsls r6, 24
-	asrs r6, 24
-	lsls r3, 24
-	asrs r3, 24
-	str r3, [sp]
-	lsls r1, 24
-	asrs r1, 24
-	str r1, [sp, 0x4]
-	adds r1, r4, 0
-	adds r2, r5, 0
-	adds r3, r6, 0
-	bl warp_set
-	add sp, 0x8
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080537C8: .4byte gSaveBlock1 + 0xC
-	thumb_func_end unref_sub_8053790
-
-	thumb_func_start sub_80537CC
-sub_80537CC: @ 80537CC
-	push {r4,r5,lr}
-	sub sp, 0x8
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_80FA8CC
-	adds r5, r0, 0
-	cmp r5, 0
-	beq _080537FC
-	ldr r0, _08053804
-	movs r1, 0
-	ldrsb r1, [r5, r1]
-	movs r2, 0x1
-	ldrsb r2, [r5, r2]
-	movs r3, 0x1
-	negs r3, r3
-	movs r4, 0x2
-	ldrsb r4, [r5, r4]
-	str r4, [sp]
-	movs r4, 0x4
-	ldrsb r4, [r5, r4]
-	str r4, [sp, 0x4]
-	bl warp_set
-_080537FC:
-	add sp, 0x8
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053804: .4byte gSaveBlock1 + 0xC
-	thumb_func_end sub_80537CC
-
-	thumb_func_start gpu_sync_bg_hide
-gpu_sync_bg_hide: @ 8053808
-	ldr r2, _08053814
-	ldr r0, [r2, 0x14]
-	ldr r1, [r2, 0x18]
-	str r0, [r2, 0xC]
-	str r1, [r2, 0x10]
-	bx lr
-	.align 2, 0
-_08053814: .4byte gSaveBlock1
-	thumb_func_end gpu_sync_bg_hide
-
-	thumb_func_start sub_8053818
-sub_8053818: @ 8053818
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _0805382C
-	ldr r0, [r0, 0xC]
-	ldr r3, [r0]
-	ldr r1, [r0, 0x4]
-	cmp r1, 0
-	bne _08053834
-	b _08053848
-	.align 2, 0
-_0805382C: .4byte gMapHeader
-_08053830:
-	adds r0, r1, 0
-	b _0805384A
-_08053834:
-	movs r2, 0
-	cmp r2, r3
-	bge _08053848
-_0805383A:
-	ldrb r0, [r1]
-	cmp r0, r4
-	beq _08053830
-	adds r2, 0x1
-	adds r1, 0xC
-	cmp r2, r3
-	blt _0805383A
-_08053848:
-	movs r0, 0
-_0805384A:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053818
-
-	thumb_func_start sub_8053850
-sub_8053850: @ 8053850
-	push {r4,r5,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 16
-	lsrs r4, r1, 16
-	lsls r2, 16
-	lsrs r5, r2, 16
-	bl sub_8053818
-	adds r1, r0, 0
-	cmp r1, 0
-	beq _08053888
-	movs r0, 0x8
-	ldrsb r0, [r1, r0]
-	ldrb r1, [r1, 0x9]
-	lsls r1, 24
-	asrs r1, 24
-	movs r2, 0x1
-	negs r2, r2
-	lsls r3, r4, 24
-	asrs r3, 24
-	lsls r4, r5, 24
-	asrs r4, 24
-	str r4, [sp]
-	bl warp1_set
-	b _080538A4
-_08053888:
-	bl mapheader_run_script_with_tag_x6
-	ldr r0, _0805389C
-	bl warp_data_is_not_neg_1
-	cmp r0, 0
-	beq _080538A0
-	movs r0, 0
-	b _080538A6
-	.align 2, 0
-_0805389C: .4byte gUnknown_02029800
-_080538A0:
-	bl warp1_set_to_warp2
-_080538A4:
-	movs r0, 0x1
-_080538A6:
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053850
-
-	thumb_func_start sub_80538B0
-sub_80538B0: @ 80538B0
-	push {lr}
-	adds r3, r0, 0
-	adds r2, r1, 0
-	lsls r3, 16
-	lsrs r3, 16
-	lsls r2, 16
-	lsrs r2, 16
-	movs r0, 0x6
-	adds r1, r3, 0
-	bl sub_8053850
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80538B0
-
-	thumb_func_start sub_80538D0
-sub_80538D0: @ 80538D0
-	push {lr}
-	adds r3, r0, 0
-	adds r2, r1, 0
-	lsls r3, 16
-	lsrs r3, 16
-	lsls r2, 16
-	lsrs r2, 16
-	movs r0, 0x5
-	adds r1, r3, 0
-	bl sub_8053850
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80538D0
-
-	thumb_func_start sub_80538F0
-sub_80538F0: @ 80538F0
-	push {r4,r5,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsls r1, 24
-	lsrs r5, r0, 24
-	asrs r0, 24
-	lsrs r4, r1, 24
-	asrs r1, 24
-	movs r3, 0x1
-	negs r3, r3
-	str r3, [sp]
-	adds r2, r3, 0
-	bl warp1_set
-	bl sub_8053F0C
-	bl warp_shift
-	bl set_current_map_header_from_sav1_save_old_name
-	bl sub_8053154
-	bl sub_806906C
-	bl wild_pokemon_reroll
-	bl prev_quest_postbuffer_cursor_backup_reset
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl sub_8082BD0
-	bl InTrainerHill
-	bl sub_80806E4
-	bl sub_8054164
-	bl sub_8053C98
-	bl sav1_reset_battle_music_maybe
-	bl mapheader_run_script_with_tag_x3
-	bl not_trainer_hill_battle_pyramid
-	ldr r4, _08053990
-	ldr r0, [r4]
-	bl sub_8056D38
-	ldr r0, [r4]
-	bl apply_map_tileset2_palette
-	movs r4, 0x6
-_0805395C:
-	lsls r0, r4, 24
-	lsrs r0, 24
-	bl sub_807D874
-	adds r4, 0x1
-	cmp r4, 0xB
-	ble _0805395C
-	bl sub_8072ED0
-	bl mapnumbers_history_shift_sav1_0_2_4_out
-	bl sub_8134394
-	bl sub_808073C
-	bl wild_encounter_reset_coro_args
-	bl mapheader_run_script_with_tag_x5
-	bl AddMapNamePopUpWindowTask
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053990: .4byte gMapHeader
-	thumb_func_end sub_80538F0
-
-	thumb_func_start sub_8053994
-sub_8053994: @ 8053994
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	bl set_current_map_header_from_sav1_save_old_name
-	bl sub_8053154
-	ldr r4, _08053A2C
-	ldrb r0, [r4, 0x17]
-	bl is_light_level_1_2_3_5_or_6
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldrb r0, [r4, 0x17]
-	bl is_light_level_8_or_9
-	lsls r0, 24
-	lsrs r4, r0, 24
-	bl sub_806906C
-	bl wild_pokemon_reroll
-	bl prev_quest_postbuffer_cursor_backup_reset
-	ldr r1, _08053A30
-	movs r0, 0x4
-	ldrsb r0, [r1, r0]
-	lsls r0, 16
-	lsrs r0, 16
-	ldrb r1, [r1, 0x5]
-	lsls r1, 24
-	asrs r1, 24
-	lsls r1, 16
-	lsrs r1, 16
-	bl sub_8082BD0
-	cmp r6, 0x1
-	beq _080539E2
-	bl InTrainerHill
-_080539E2:
-	bl sub_80806E4
-	bl sub_8054164
-	cmp r5, 0
-	beq _080539F4
-	ldr r0, _08053A34
-	bl FlagReset
-_080539F4:
-	bl sub_8053C98
-	bl sav1_reset_battle_music_maybe
-	bl mapheader_run_script_with_tag_x3
-	bl mapnumbers_history_shift_sav1_0_2_4_out
-	bl sub_8134348
-	bl not_trainer_hill_battle_pyramid
-	cmp r6, 0x1
-	beq _08053A24
-	cmp r4, 0
-	beq _08053A24
-	ldr r1, _08053A38
-	ldr r0, [r1]
-	ldr r1, [r1, 0x4]
-	bl UpdateTVScreensOnMap
-	movs r0, 0x1
-	bl sub_80BBCCC
-_08053A24:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053A2C: .4byte gMapHeader
-_08053A30: .4byte gSaveBlock1
-_08053A34: .4byte 0x00000828
-_08053A38: .4byte gUnknown_03004870
-	thumb_func_end sub_8053994
-
-	thumb_func_start player_avatar_init_params_reset
-player_avatar_init_params_reset: @ 8053A3C
-	ldr r1, _08053A48
-	movs r0, 0x1
-	strb r0, [r1, 0x1]
-	strb r0, [r1]
-	bx lr
-	.align 2, 0
-_08053A48: .4byte gUnknown_02029810
-	thumb_func_end player_avatar_init_params_reset
-
-	thumb_func_start walkrun_find_lowest_active_bit_in_bitfield
-walkrun_find_lowest_active_bit_in_bitfield: @ 8053A4C
-	push {r4,lr}
-	bl player_get_direction_lower_nybble
-	ldr r4, _08053A68
-	strb r0, [r4, 0x1]
-	movs r0, 0x2
-	bl TestPlayerAvatarFlags
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053A6C
-	movs r0, 0x2
-	b _08053A9E
-	.align 2, 0
-_08053A68: .4byte gUnknown_02029810
-_08053A6C:
-	movs r0, 0x4
-	bl TestPlayerAvatarFlags
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053A7C
-	movs r0, 0x4
-	b _08053A9E
-_08053A7C:
-	movs r0, 0x8
-	bl TestPlayerAvatarFlags
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053A8C
-	movs r0, 0x8
-	b _08053A9E
-_08053A8C:
-	movs r0, 0x10
-	bl TestPlayerAvatarFlags
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053A9C
-	movs r0, 0x10
-	b _08053A9E
-_08053A9C:
-	movs r0, 0x1
-_08053A9E:
-	strb r0, [r4]
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end walkrun_find_lowest_active_bit_in_bitfield
-
-	thumb_func_start sub_8053AA8
-sub_8053AA8: @ 8053AA8
-	push {r4-r7,lr}
-	bl sav1_map_get_light_level
-	adds r5, r0, 0
-	lsls r5, 24
-	lsrs r5, 24
-	bl cur_mapdata_block_role_at_screen_center_acc_to_sav1
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	ldr r6, _08053AF4
-	adds r0, r6, 0
-	adds r1, r4, 0
-	adds r2, r5, 0
-	bl sub_8053B00
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	ldr r0, _08053AF8
-	ands r7, r0
-	orrs r7, r1
-	adds r0, r6, 0
-	adds r2, r4, 0
-	adds r3, r5, 0
-	bl sub_8053B60
-	lsls r0, 24
-	lsrs r0, 16
-	ldr r1, _08053AFC
-	ands r7, r1
-	orrs r7, r0
-	str r7, [r6]
-	adds r0, r6, 0
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08053AF4: .4byte gUnknown_02029810
-_08053AF8: .4byte 0xffffff00
-_08053AFC: .4byte 0xffff00ff
-	thumb_func_end sub_8053AA8
-
-	thumb_func_start sub_8053B00
-sub_8053B00: @ 8053B00
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	lsls r1, 16
-	lsrs r5, r1, 16
-	lsls r2, 24
-	lsrs r4, r2, 24
-	cmp r4, 0x8
-	beq _08053B1C
-	ldr r0, _08053B24
-	bl FlagGet
-	lsls r0, 24
-	cmp r0, 0
-	bne _08053B56
-_08053B1C:
-	cmp r4, 0x5
-	bne _08053B28
-	movs r0, 0x10
-	b _08053B58
-	.align 2, 0
-_08053B24: .4byte 0x0000082d
-_08053B28:
-	lsls r0, r5, 24
-	lsrs r0, 24
-	bl MetatileBehavior_IsSurfableWaterOrUnderwater
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _08053B3C
-	movs r0, 0x8
-	b _08053B58
-_08053B3C:
-	bl sub_8053C44
-	cmp r0, 0x1
-	bne _08053B56
-	ldrb r0, [r6]
-	cmp r0, 0x2
-	bne _08053B4E
-	movs r0, 0x2
-	b _08053B58
-_08053B4E:
-	cmp r0, 0x4
-	bne _08053B56
-	movs r0, 0x4
-	b _08053B58
-_08053B56:
-	movs r0, 0x1
-_08053B58:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053B00
-
-	thumb_func_start sub_8053B60
-sub_8053B60: @ 8053B60
-	push {r4-r7,lr}
-	adds r6, r0, 0
-	lsls r1, 24
-	lsrs r7, r1, 24
-	lsls r2, 16
-	lsrs r4, r2, 16
-	lsls r3, 24
-	lsrs r5, r3, 24
-	ldr r0, _08053BC0
-	bl FlagGet
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053B80
-	cmp r5, 0x6
-	beq _08053BE0
-_08053B80:
-	lsls r4, 24
-	lsrs r5, r4, 24
-	adds r0, r5, 0
-	bl sub_8056F24
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08053BBC
-	adds r0, r5, 0
-	bl sub_8056F08
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08053C16
-	adds r0, r5, 0
-	bl sub_8056EAC
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08053C16
-	adds r0, r5, 0
-	bl MetatileBehavior_IsSouthArrowWarp
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _08053BC4
-_08053BBC:
-	movs r0, 0x2
-	b _08053C1C
-	.align 2, 0
-_08053BC0: .4byte 0x0000082d
-_08053BC4:
-	adds r0, r5, 0
-	bl MetatileBehavior_IsNorthArrowWarp
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08053C16
-	adds r0, r5, 0
-	bl MetatileBehavior_IsWestArrowWarp
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _08053BE4
-_08053BE0:
-	movs r0, 0x4
-	b _08053C1C
-_08053BE4:
-	adds r0, r5, 0
-	bl MetatileBehavior_IsEastArrowWarp
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _08053BF6
-	movs r0, 0x3
-	b _08053C1C
-_08053BF6:
-	ldrb r0, [r6]
-	cmp r0, 0x10
-	bne _08053C00
-	cmp r7, 0x8
-	beq _08053C1A
-_08053C00:
-	cmp r0, 0x8
-	bne _08053C08
-	cmp r7, 0x10
-	beq _08053C1A
-_08053C08:
-	lsrs r0, r4, 24
-	bl MetatileBehavior_IsLadder
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08053C1A
-_08053C16:
-	movs r0, 0x1
-	b _08053C1C
-_08053C1A:
-	ldrb r0, [r6, 0x1]
-_08053C1C:
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053B60
-
-	thumb_func_start cur_mapdata_block_role_at_screen_center_acc_to_sav1
-cur_mapdata_block_role_at_screen_center_acc_to_sav1: @ 8053C24
-	push {lr}
-	ldr r1, _08053C40
-	movs r2, 0
-	ldrsh r0, [r1, r2]
-	adds r0, 0x7
-	movs r2, 0x2
-	ldrsh r1, [r1, r2]
-	adds r1, 0x7
-	bl MapGridGetMetatileBehaviorAt
-	lsls r0, 16
-	lsrs r0, 16
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08053C40: .4byte gSaveBlock1
-	thumb_func_end cur_mapdata_block_role_at_screen_center_acc_to_sav1
-
-	thumb_func_start sub_8053C44
-sub_8053C44: @ 8053C44
-	push {lr}
-	ldr r0, _08053C80
-	movs r1, 0x4
-	ldrsb r1, [r0, r1]
-	adds r2, r0, 0
-	cmp r1, 0x1D
-	bne _08053C5E
-	ldrb r0, [r2, 0x5]
-	subs r0, 0xB
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bls _08053C7C
-_08053C5E:
-	ldr r0, _08053C84
-	ldrb r0, [r0, 0x17]
-	cmp r0, 0x8
-	beq _08053C90
-	cmp r0, 0x9
-	beq _08053C90
-	cmp r0, 0x5
-	beq _08053C90
-	ldrh r1, [r2, 0x4]
-	ldr r0, _08053C88
-	cmp r1, r0
-	beq _08053C90
-	ldr r0, _08053C8C
-	cmp r1, r0
-	beq _08053C90
-_08053C7C:
-	movs r0, 0x1
-	b _08053C92
-	.align 2, 0
-_08053C80: .4byte gSaveBlock1
-_08053C84: .4byte gMapHeader
-_08053C88: .4byte 0x00002418
-_08053C8C: .4byte 0x00002a18
-_08053C90:
-	movs r0, 0
-_08053C92:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053C44
-
-	thumb_func_start sub_8053C98
-sub_8053C98: @ 8053C98
-	push {lr}
-	ldr r0, _08053CA8
-	ldrb r1, [r0, 0x15]
-	cmp r1, 0
-	bne _08053CB0
-	ldr r0, _08053CAC
-	b _08053CD2
-	.align 2, 0
-_08053CA8: .4byte gMapHeader
-_08053CAC: .4byte gSaveBlock1
-_08053CB0:
-	ldr r0, _08053CC4
-	bl FlagGet
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053CCC
-	ldr r0, _08053CC8
-	adds r0, 0x30
-	movs r1, 0x1
-	b _08053CD4
-	.align 2, 0
-_08053CC4: .4byte 0x00000828
-_08053CC8: .4byte gSaveBlock1
-_08053CCC:
-	ldr r0, _08053CDC
-	ldr r1, _08053CE0
-	ldr r1, [r1]
-_08053CD2:
-	adds r0, 0x30
-_08053CD4:
-	strb r1, [r0]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053CDC: .4byte gSaveBlock1
-_08053CE0: .4byte gUnknown_0839ACE8
-	thumb_func_end sub_8053C98
-
-	thumb_func_start sub_8053CE4
-sub_8053CE4: @ 8053CE4
-	push {lr}
-	adds r1, r0, 0
-	cmp r1, 0
-	blt _08053CF4
-	ldr r0, _08053D00
-	ldr r0, [r0]
-	cmp r1, r0
-	ble _08053CF6
-_08053CF4:
-	movs r1, 0
-_08053CF6:
-	ldr r0, _08053D04
-	adds r0, 0x30
-	strb r1, [r0]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053D00: .4byte gUnknown_0839ACE8
-_08053D04: .4byte gSaveBlock1
-	thumb_func_end sub_8053CE4
-
-	thumb_func_start sav1_get_flash_used_on_map
-sav1_get_flash_used_on_map: @ 8053D08
-	ldr r0, _08053D10
-	adds r0, 0x30
-	ldrb r0, [r0]
-	bx lr
-	.align 2, 0
-_08053D10: .4byte gSaveBlock1
-	thumb_func_end sav1_get_flash_used_on_map
-
-	thumb_func_start sub_8053D14
-sub_8053D14: @ 8053D14
-	push {lr}
-	ldr r1, _08053D28
-	strh r0, [r1, 0x32]
-	bl get_mapdata_header
-	ldr r1, _08053D2C
-	str r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053D28: .4byte gSaveBlock1
-_08053D2C: .4byte gMapHeader
-	thumb_func_end sub_8053D14
-
-	thumb_func_start sub_8053D30
-sub_8053D30: @ 8053D30
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, _08053D60
-	bl FlagGet
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053D64
-	movs r0, 0
-	ldrsb r0, [r4, r0]
-	cmp r0, 0
-	bne _08053D64
-	movs r0, 0x1
-	ldrsb r0, [r4, r0]
-	cmp r0, 0x5
-	blt _08053D64
-	cmp r0, 0x8
-	ble _08053D5C
-	cmp r0, 0x2B
-	bgt _08053D64
-	cmp r0, 0x27
-	blt _08053D64
-_08053D5C:
-	movs r0, 0x1
-	b _08053D66
-	.align 2, 0
-_08053D60: .4byte 0x0000082a
-_08053D64:
-	movs r0, 0
-_08053D66:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053D30
-
-	thumb_func_start sub_8053D6C
-sub_8053D6C: @ 8053D6C
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, _08053D90
-	bl VarGet
-	lsls r0, 16
-	cmp r0, 0
-	bne _08053D8A
-	movs r0, 0
-	ldrsb r0, [r4, r0]
-	cmp r0, 0x20
-	bne _08053D8A
-	ldrb r0, [r4, 0x1]
-	cmp r0, 0x1
-	bls _08053D94
-_08053D8A:
-	movs r0, 0
-	b _08053D96
-	.align 2, 0
-_08053D90: .4byte 0x000040b3
-_08053D94:
-	movs r0, 0x1
-_08053D96:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053D6C
-
-	thumb_func_start sub_8053D9C
-sub_8053D9C: @ 8053D9C
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_8053D30
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bne _08053DB2
-	.ifdef SAPPHIRE
-	ldr r0, _sub_8053D9C_LegendaryMusic
-	.else
-	movs r0, 0xDE
-	lsls r0, 1
-	.endif
-	b _08053DDC
-	.ifdef SAPPHIRE
-	.align 2, 0
-_sub_8053D9C_LegendaryMusic: .4byte 443 @ OOAME (Kyogre's Heavy Rain theme)
-	.endif
-_08053DB2:
-	adds r0, r4, 0
-	bl sub_8053D6C
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	beq _08053DD8
-	movs r0, 0
-	ldrsb r0, [r4, r0]
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x1
-	ldrsb r1, [r4, r1]
-	lsls r1, 16
-	lsrs r1, 16
-	bl get_mapheader_by_bank_and_number
-	ldrh r0, [r0, 0x10]
-	b _08053DDC
-_08053DD8:
-	movs r0, 0xCB
-	lsls r0, 1
-_08053DDC:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8053D9C
-
-	thumb_func_start sav1_map_get_music
-sav1_map_get_music: @ 8053DE4
-	push {r4,lr}
-	ldr r0, _08053E04
-	ldrh r1, [r0, 0x4]
-	movs r0, 0xD0
-	lsls r0, 5
-	cmp r1, r0
-	bne _08053E0C
-	bl sav1_get_weather_probably
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x8
-	bne _08053E0C
-	ldr r0, _08053E08
-	b _08053E40
-	.align 2, 0
-_08053E04: .4byte gSaveBlock1
-_08053E08: .4byte 0x00000199
-_08053E0C:
-	ldr r4, _08053E24
-	adds r0, r4, 0
-	bl sub_8053D9C
-	lsls r0, 16
-	lsrs r1, r0, 16
-	ldr r0, _08053E28
-	cmp r1, r0
-	beq _08053E2C
-	adds r0, r1, 0
-	b _08053E40
-	.align 2, 0
-_08053E24: .4byte gSaveBlock1 + 0x4
-_08053E28: .4byte 0x00007fff
-_08053E2C:
-	subs r0, r4, 0x4
-	movs r1, 0
-	ldrsh r0, [r0, r1]
-	cmp r0, 0x17
-	ble _08053E3C
-	movs r0, 0xC9
-	lsls r0, 1
-	b _08053E40
-_08053E3C:
-	movs r0, 0xB4
-	lsls r0, 1
-_08053E40:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sav1_map_get_music
-
-	thumb_func_start warp1_target_get_music
-warp1_target_get_music: @ 8053E48
-	push {lr}
-	ldr r0, _08053E60
-	bl sub_8053D9C
-	lsls r0, 16
-	lsrs r1, r0, 16
-	ldr r0, _08053E64
-	cmp r1, r0
-	beq _08053E68
-	adds r0, r1, 0
-	b _08053E80
-	.align 2, 0
-_08053E60: .4byte gUnknown_020297F8
-_08053E64: .4byte 0x00007fff
-_08053E68:
-	ldr r0, _08053E78
-	ldrh r1, [r0, 0x4]
-	movs r0, 0x80
-	lsls r0, 2
-	cmp r1, r0
-	beq _08053E7C
-	subs r0, 0x6E
-	b _08053E80
-	.align 2, 0
-_08053E78: .4byte gSaveBlock1
-_08053E7C:
-	movs r0, 0xB4
-	lsls r0, 1
-_08053E80:
-	pop {r1}
-	bx r1
-	thumb_func_end warp1_target_get_music
-
-	thumb_func_start call_map_music_set_to_zero
-call_map_music_set_to_zero: @ 8053E84
-	push {lr}
-	bl ResetMapMusic
-	pop {r0}
-	bx r0
-	thumb_func_end call_map_music_set_to_zero
-
-	thumb_func_start sub_8053E90
-sub_8053E90: @ 8053E90
-	push {r4,lr}
-	bl sav1_map_get_music
-	lsls r0, 16
-	lsrs r4, r0, 16
-	.ifdef SAPPHIRE
-	ldr r0, _sub_8053E90_LegendaryMusic
-	.else
-	movs r0, 0xDE
-	lsls r0, 1
-	.endif
-	cmp r4, r0
-	beq _08053ED6
-	ldr r1, _08053EB0
-	ldrh r0, [r1, 0x2C]
-	cmp r0, 0
-	beq _08053EB4
-	adds r4, r0, 0
-	b _08053ED6
-	.align 2, 0
-	.ifdef SAPPHIRE
-_sub_8053E90_LegendaryMusic: .4byte 443 @ OOAME (Kyogre's Heavy Rain theme)
-	.endif
-_08053EB0: .4byte gSaveBlock1
-_08053EB4:
-	bl sav1_map_get_light_level
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x5
-	bne _08053EC8
-	ldr r4, _08053EC4
-	b _08053ED6
-	.align 2, 0
-_08053EC4: .4byte 0x0000019b
-_08053EC8:
-	movs r0, 0x8
-	bl TestPlayerAvatarFlags
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053ED6
-	ldr r4, _08053EF0
-_08053ED6:
-	bl GetCurrentMapMusic
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r4, r0
-	beq _08053EE8
-	adds r0, r4, 0
-	bl PlayNewMapMusic
-_08053EE8:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08053EF0: .4byte 0x0000016d
-	thumb_func_end sub_8053E90
-
-	thumb_func_start sav1_set_battle_music_maybe
-sav1_set_battle_music_maybe: @ 8053EF4
-	ldr r1, _08053EFC
-	strh r0, [r1, 0x2C]
-	bx lr
-	.align 2, 0
-_08053EFC: .4byte gSaveBlock1
-	thumb_func_end sav1_set_battle_music_maybe
-
-	thumb_func_start sav1_reset_battle_music_maybe
-sav1_reset_battle_music_maybe: @ 8053F00
-	ldr r1, _08053F08
-	movs r0, 0
-	strh r0, [r1, 0x2C]
-	bx lr
-	.align 2, 0
-_08053F08: .4byte gSaveBlock1
-	thumb_func_end sav1_reset_battle_music_maybe
-
-	thumb_func_start sub_8053F0C
-sub_8053F0C: @ 8053F0C
-	push {r4-r6,lr}
-	ldr r0, _08053F6C
-	bl FlagGet
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08053F7C
-	bl warp1_target_get_music
-	lsls r0, 16
-	lsrs r5, r0, 16
-	bl GetCurrentMapMusic
-	lsls r0, 16
-	lsrs r4, r0, 16
-	.ifdef SAPPHIRE
-	ldr r0, _sub_8053F0C_LegendaryMusic
-	.else
-	movs r0, 0xDE
-	lsls r0, 1
-	.endif
-	cmp r5, r0
-	beq _08053F4E
-	.ifdef SAPPHIRE
-	subs r0, 0x20
-	.else
-	subs r0, 0x21
-	.endif
-	cmp r4, r0
-	beq _08053F7C
-	ldr r6, _08053F70
-	cmp r4, r6
-	beq _08053F7C
-	movs r0, 0x8
-	bl TestPlayerAvatarFlags
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053F4E
-	adds r5, r6, 0
-_08053F4E:
-	cmp r5, r4
-	beq _08053F7C
-	movs r0, 0x6
-	bl TestPlayerAvatarFlags
-	lsls r0, 24
-	cmp r0, 0
-	beq _08053F74
-	adds r0, r5, 0
-	movs r1, 0x4
-	movs r2, 0x4
-	bl FadeOutAndFadeInNewMapMusic
-	b _08053F7C
-	.align 2, 0
-_08053F6C: .4byte 0x00004001
-	.ifdef SAPPHIRE
-_sub_8053F0C_LegendaryMusic: .4byte 443 @ OOAME (Kyogre's Heavy Rain theme)
-	.endif
-_08053F70: .4byte 0x0000016d
-_08053F74:
-	adds r0, r5, 0
-	movs r1, 0x8
-	bl FadeOutAndPlayNewMapMusic
-_08053F7C:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8053F0C
-
-	thumb_func_start sub_8053F84
-sub_8053F84: @ 8053F84
-	push {r4,lr}
-	bl GetCurrentMapMusic
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	bl sav1_map_get_music
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r4, r0
-	beq _08053FAA
-	bl sav1_map_get_music
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x8
-	bl FadeOutAndPlayNewMapMusic
-_08053FAA:
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8053F84
-
-	thumb_func_start sub_8053FB0
-sub_8053FB0: @ 8053FB0
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	bl GetCurrentMapMusic
-	lsls r0, 16
-	lsrs r1, r0, 16
-	cmp r1, r4
-	beq _08053FD2
-	.ifdef SAPPHIRE
-	ldr r0, _sub_8053FB0_LegendaryMusic
-	.else
-	movs r0, 0xDE
-	lsls r0, 1
-	.endif
-	cmp r1, r0
-	beq _08053FD2
-	adds r0, r4, 0
-	movs r1, 0x8
-	bl FadeOutAndPlayNewMapMusic
-_08053FD2:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.ifdef SAPPHIRE
-	.align 2, 0
-_sub_8053FB0_LegendaryMusic: .4byte 443 @ OOAME (Kyogre's Heavy Rain theme)
-	.endif
-	thumb_func_end sub_8053FB0
-
-	thumb_func_start is_warp1_light_level_8_or_9
-is_warp1_light_level_8_or_9: @ 8053FD8
-	push {lr}
-	bl warp1_get_mapheader
-	ldrb r0, [r0, 0x17]
-	bl is_light_level_8_or_9
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08053FF0
-	movs r0, 0x4
-	b _08053FF2
-_08053FF0:
-	movs r0, 0x2
-_08053FF2:
-	pop {r1}
-	bx r1
-	thumb_func_end is_warp1_light_level_8_or_9
-
-	thumb_func_start sub_8053FF8
-sub_8053FF8: @ 8053FF8
-	push {r4,lr}
-	bl warp1_target_get_music
-	lsls r0, 16
-	lsrs r4, r0, 16
-	ldr r0, _08054030
-	bl FlagGet
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08054028
-	bl GetCurrentMapMusic
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r4, r0
-	beq _08054028
-	bl is_warp1_light_level_8_or_9
-	lsls r0, 24
-	lsrs r0, 24
-	bl FadeOutMapMusic
-_08054028:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054030: .4byte 0x00004001
-	thumb_func_end sub_8053FF8
-
-	thumb_func_start sub_8054034
-sub_8054034: @ 8054034
-	push {lr}
-	bl IsNotWaitingForBGMStop
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8054034
-
-	thumb_func_start sub_8054044
-sub_8054044: @ 8054044
-	push {lr}
-	movs r0, 0x4
-	bl FadeOutMapMusic
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8054044
-
-	thumb_func_start sub_8054050
-sub_8054050: @ 8054050
-	push {r4,lr}
-	sub sp, 0x4
-	mov r4, sp
-	adds r4, 0x2
-	mov r0, sp
-	adds r1, r4, 0
-	bl PlayerGetDestCoords
-	ldr r0, _080540C8
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _08054084
-	mov r0, sp
-	movs r1, 0
-	ldrsh r0, [r0, r1]
-	movs r2, 0
-	ldrsh r1, [r4, r2]
-	bl MapGridGetMetatileBehaviorAt
-	lsls r0, 24
-	lsrs r0, 24
-	bl MetatileBehavior_IsSurfableWaterOrUnderwater
-	lsls r0, 24
-	cmp r0, 0
-	beq _080540C0
-_08054084:
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x58
-	bl __umodsi3
-	adds r4, r0, 0
-	adds r4, 0xD4
-	lsls r4, 24
-	lsrs r4, 24
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x1E
-	bl __umodsi3
-	adds r2, r0, 0
-	adds r2, 0x32
-	ldr r0, _080540CC
-	ldrh r0, [r0]
-	lsls r4, 24
-	asrs r4, 24
-	lsls r2, 24
-	asrs r2, 24
-	adds r1, r4, 0
-	movs r3, 0x1
-	bl PlayCry2
-_080540C0:
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080540C8: .4byte gUnknown_02029816
-_080540CC: .4byte gUnknown_02029814
-	thumb_func_end sub_8054050
-
-	thumb_func_start sub_80540D0
-sub_80540D0: @ 80540D0
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	adds r5, r1, 0
-	movs r1, 0
-	ldrsh r0, [r6, r1]
-	cmp r0, 0x4
-	bhi _0805415E
-	lsls r0, 2
-	ldr r1, _080540E8
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_080540E8: .4byte _080540EC
-	.align 2, 0
-_080540EC:
-	.4byte _08054100
-	.4byte _08054114
-	.4byte _08054130
-	.4byte _0805414A
-	.4byte _0805415E
-_08054100:
-	ldr r0, _0805410C
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _08054110
-	movs r0, 0x4
-	b _0805415C
-	.align 2, 0
-_0805410C: .4byte gUnknown_02029814
-_08054110:
-	movs r0, 0x1
-	b _0805415C
-_08054114:
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x96
-	lsls r1, 4
-	bl __umodsi3
-	movs r1, 0x96
-	lsls r1, 3
-	adds r0, r1
-	strh r0, [r5]
-	movs r0, 0x3
-	b _0805415C
-_08054130:
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r4, 0x96
-	lsls r4, 3
-	adds r1, r4, 0
-	bl __umodsi3
-	adds r0, r4
-	strh r0, [r5]
-	movs r0, 0x3
-	b _0805415C
-_0805414A:
-	ldrh r0, [r5]
-	subs r0, 0x1
-	strh r0, [r5]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0805415E
-	bl sub_8054050
-	movs r0, 0x2
-_0805415C:
-	strh r0, [r6]
-_0805415E:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80540D0
-
-	thumb_func_start sub_8054164
-sub_8054164: @ 8054164
-	push {lr}
-	ldr r0, _08054188
-	ldrh r1, [r0, 0x4]
-	movs r0, 0xB4
-	lsls r0, 6
-	cmp r1, r0
-	bne _08054190
-	bl sub_810D32C
-	lsls r0, 24
-	cmp r0, 0
-	bne _08054190
-	ldr r1, _0805418C
-	movs r0, 0x1
-	strb r0, [r1]
-	bl sub_8085514
-	b _08054196
-	.align 2, 0
-_08054188: .4byte gSaveBlock1
-_0805418C: .4byte gUnknown_02029816
-_08054190:
-	ldr r0, _080541A0
-	bl wild_pokemon_rand_for_map
-_08054196:
-	ldr r1, _080541A4
-	strh r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080541A0: .4byte gUnknown_02029816
-_080541A4: .4byte gUnknown_02029814
-	thumb_func_end sub_8054164
-
-	thumb_func_start get_map_light_level_by_bank_and_number
-get_map_light_level_by_bank_and_number: @ 80541A8
-	push {lr}
-	lsls r0, 24
-	asrs r0, 8
-	lsrs r0, 16
-	lsls r1, 24
-	asrs r1, 8
-	lsrs r1, 16
-	bl get_mapheader_by_bank_and_number
-	ldrb r0, [r0, 0x17]
-	pop {r1}
-	bx r1
-	thumb_func_end get_map_light_level_by_bank_and_number
-
-	thumb_func_start get_map_light_level_from_warp
-get_map_light_level_from_warp: @ 80541C0
-	push {lr}
-	movs r2, 0
-	ldrsb r2, [r0, r2]
-	movs r1, 0x1
-	ldrsb r1, [r0, r1]
-	adds r0, r2, 0
-	bl get_map_light_level_by_bank_and_number
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end get_map_light_level_from_warp
-
-	thumb_func_start sav1_map_get_light_level
-sav1_map_get_light_level: @ 80541D8
-	push {lr}
-	ldr r0, _080541E8
-	bl get_map_light_level_from_warp
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080541E8: .4byte gSaveBlock1 + 0x4
-	thumb_func_end sav1_map_get_light_level
-
-	thumb_func_start get_map_light_from_warp0
-get_map_light_from_warp0: @ 80541EC
-	push {lr}
-	ldr r0, _080541FC
-	bl get_map_light_level_from_warp
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080541FC: .4byte gUnknown_020297F0
-	thumb_func_end get_map_light_from_warp0
-
-	thumb_func_start is_light_level_1_2_3_5_or_6
-is_light_level_1_2_3_5_or_6: @ 8054200
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x3
-	beq _0805421A
-	cmp r0, 0x1
-	beq _0805421A
-	cmp r0, 0x5
-	beq _0805421A
-	cmp r0, 0x2
-	beq _0805421A
-	cmp r0, 0x6
-	bne _0805421E
-_0805421A:
-	movs r0, 0x1
-	b _08054220
-_0805421E:
-	movs r0, 0
-_08054220:
-	pop {r1}
-	bx r1
-	thumb_func_end is_light_level_1_2_3_5_or_6
-
-	thumb_func_start is_light_level_1_2_3_or_6
-is_light_level_1_2_3_or_6: @ 8054224
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x3
-	beq _0805423A
-	cmp r0, 0x1
-	beq _0805423A
-	cmp r0, 0x6
-	beq _0805423A
-	cmp r0, 0x2
-	bne _0805423E
-_0805423A:
-	movs r0, 0x1
-	b _08054240
-_0805423E:
-	movs r0, 0
-_08054240:
-	pop {r1}
-	bx r1
-	thumb_func_end is_light_level_1_2_3_or_6
-
-	thumb_func_start is_light_level_8_or_9
-is_light_level_8_or_9: @ 8054244
-	push {lr}
-	lsls r0, 24
-	movs r1, 0xF8
-	lsls r1, 24
-	adds r0, r1
-	lsrs r0, 24
-	cmp r0, 0x1
-	bls _08054258
-	movs r0, 0
-	b _0805425A
-_08054258:
-	movs r0, 0x1
-_0805425A:
-	pop {r1}
-	bx r1
-	thumb_func_end is_light_level_8_or_9
-
-	thumb_func_start unref_sub_8054260
-unref_sub_8054260: @ 8054260
-	push {lr}
-	ldr r1, _08054280
-	movs r0, 0x14
-	ldrsb r0, [r1, r0]
-	lsls r0, 16
-	lsrs r0, 16
-	ldrb r1, [r1, 0x15]
-	lsls r1, 24
-	asrs r1, 24
-	lsls r1, 16
-	lsrs r1, 16
-	bl get_mapheader_by_bank_and_number
-	ldrb r0, [r0, 0x14]
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08054280: .4byte gSaveBlock1
-	thumb_func_end unref_sub_8054260
-
-	thumb_func_start sav1_map_get_name
-sav1_map_get_name: @ 8054284
-	push {lr}
-	ldr r1, _080542A4
-	movs r0, 0x4
-	ldrsb r0, [r1, r0]
-	lsls r0, 16
-	lsrs r0, 16
-	ldrb r1, [r1, 0x5]
-	lsls r1, 24
-	asrs r1, 24
-	lsls r1, 16
-	lsrs r1, 16
-	bl get_mapheader_by_bank_and_number
-	ldrb r0, [r0, 0x14]
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080542A4: .4byte gSaveBlock1
-	thumb_func_end sav1_map_get_name
-
-	thumb_func_start sav1_map_get_battletype
-sav1_map_get_battletype: @ 80542A8
-	push {lr}
-	ldr r1, _080542C8
-	movs r0, 0x4
-	ldrsb r0, [r1, r0]
-	lsls r0, 16
-	lsrs r0, 16
-	ldrb r1, [r1, 0x5]
-	lsls r1, 24
-	asrs r1, 24
-	lsls r1, 16
-	lsrs r1, 16
-	bl get_mapheader_by_bank_and_number
-	ldrb r0, [r0, 0x1B]
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080542C8: .4byte gSaveBlock1
-	thumb_func_end sav1_map_get_battletype
-
-	thumb_func_start ResetSafariZoneFlag_
-ResetSafariZoneFlag_: @ 80542CC
-	push {lr}
-	bl ResetSafariZoneFlag
-	pop {r0}
-	bx r0
-	thumb_func_end ResetSafariZoneFlag_
-
-	thumb_func_start is_c1_link_related_active
-is_c1_link_related_active: @ 80542D8
-	push {lr}
-	ldr r0, _080542E8
-	ldr r1, [r0]
-	ldr r0, _080542EC
-	cmp r1, r0
-	beq _080542F0
-	movs r0, 0
-	b _080542F2
-	.align 2, 0
-_080542E8: .4byte gMain
-_080542EC: .4byte sub_8055354
-_080542F0:
-	movs r0, 0x1
-_080542F2:
-	pop {r1}
-	bx r1
-	thumb_func_end is_c1_link_related_active
-
-	thumb_func_start c1_overworld_normal
-c1_overworld_normal: @ 80542F8
-	push {r4-r6,lr}
-	sub sp, 0x4
-	lsls r0, 16
-	lsrs r0, 16
-	adds r5, r0, 0
-	lsls r1, 16
-	lsrs r1, 16
-	adds r4, r1, 0
-	bl sub_8059204
-	mov r6, sp
-	mov r0, sp
-	bl sub_8067EEC
-	mov r0, sp
-	adds r1, r5, 0
-	adds r2, r4, 0
-	bl process_overworld_input
-	bl ScriptContext2_IsEnabled
-	lsls r0, 24
-	cmp r0, 0
-	bne _08054346
-	mov r0, sp
-	bl sub_8068024
-	cmp r0, 0x1
-	bne _0805433C
-	bl ScriptContext2_Enable
-	bl HideMapNamePopUpWindow
-	b _08054346
-_0805433C:
-	ldrb r0, [r6, 0x2]
-	adds r1, r5, 0
-	adds r2, r4, 0
-	bl player_step
-_08054346:
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end c1_overworld_normal
-
-	thumb_func_start c1_overworld
-c1_overworld: @ 8054350
-	push {lr}
-	ldr r2, _08054368
-	ldr r1, [r2, 0x4]
-	ldr r0, _0805436C
-	cmp r1, r0
-	bne _08054364
-	ldrh r0, [r2, 0x2E]
-	ldrh r1, [r2, 0x2C]
-	bl c1_overworld_normal
-_08054364:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054368: .4byte gMain
-_0805436C: .4byte c2_overworld
-	thumb_func_end c1_overworld
-
-	thumb_func_start c2_overworld_basic
-c2_overworld_basic: @ 8054370
-	push {lr}
-	bl ScriptContext2_RunScript
-	bl RunTasks
-	bl AnimateSprites
-	bl CameraUpdate
-	bl UpdateCameraPanning
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	bl sub_8072EDC
-	pop {r0}
-	bx r0
-	thumb_func_end c2_overworld_basic
-
-	thumb_func_start sub_8054398
-sub_8054398: @ 8054398
-	push {lr}
-	bl c2_overworld_basic
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8054398
-
-	thumb_func_start c2_overworld
-c2_overworld: @ 80543A4
-	push {r4,lr}
-	ldr r0, _080543CC
-	ldrb r0, [r0, 0x7]
-	lsrs r0, 7
-	adds r4, r0, 0
-	cmp r4, 0
-	beq _080543B8
-	movs r0, 0
-	bl SetVBlankCallback
-_080543B8:
-	bl c2_overworld_basic
-	cmp r4, 0
-	beq _080543C4
-	bl SetFieldVBlankCallback
-_080543C4:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080543CC: .4byte gPaletteFade
-	thumb_func_end c2_overworld
-
-	thumb_func_start set_callback1
-set_callback1: @ 80543D0
-	ldr r1, _080543D8
-	str r0, [r1]
-	bx lr
-	.align 2, 0
-_080543D8: .4byte gMain
-	thumb_func_end set_callback1
-
-	thumb_func_start sub_80543DC
-sub_80543DC: @ 80543DC
-	ldr r1, _080543E4
-	str r0, [r1]
-	bx lr
-	.align 2, 0
-_080543E4: .4byte gUnknown_03000584
-	thumb_func_end sub_80543DC
-
-	thumb_func_start sub_80543E8
-sub_80543E8: @ 80543E8
-	push {lr}
-	ldr r0, _080543F8
-	ldr r0, [r0]
-	cmp r0, 0
-	beq _080543FC
-	bl _call_via_r0
-	b _08054400
-	.align 2, 0
-_080543F8: .4byte gUnknown_0300485C
-_080543FC:
-	bl mapldr_default
-_08054400:
-	ldr r1, _0805440C
-	movs r0, 0
-	str r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805440C: .4byte gUnknown_0300485C
-	thumb_func_end sub_80543E8
-
-	thumb_func_start CB2_NewGame
-CB2_NewGame: @ 8054410
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	bl StopMapMusic
-	bl ResetSafariZoneFlag_
-	bl NewGameInitData
-	bl player_avatar_init_params_reset
-	bl PlayTimeCounter_Start
-	bl ScriptContext1_Init
-	bl ScriptContext2_Disable
-	ldr r1, _08054454
-	ldr r0, _08054458
-	str r0, [r1]
-	ldr r0, _0805445C
-	bl do_load_map_stuff_loop
-	bl SetFieldVBlankCallback
-	ldr r0, _08054460
-	bl set_callback1
-	ldr r0, _08054464
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054454: .4byte gUnknown_0300485C
-_08054458: .4byte sub_80C76A0
-_0805445C: .4byte gMain + 0x43C
-_08054460: .4byte c1_overworld
-_08054464: .4byte c2_overworld
-	thumb_func_end CB2_NewGame
-
-	thumb_func_start c2_whiteout
-c2_whiteout: @ 8054468
-	push {lr}
-	sub sp, 0x4
-	ldr r1, _080544C4
-	ldr r0, _080544C8
-	adds r1, r0
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x77
-	bls _080544BE
-	bl FieldClearVBlankHBlankCallbacks
-	bl StopMapMusic
-	bl ResetSafariZoneFlag_
-	bl sub_8052F5C
-	bl player_avatar_init_params_reset
-	bl ScriptContext1_Init
-	bl ScriptContext2_Disable
-	ldr r1, _080544CC
-	ldr r0, _080544D0
-	str r0, [r1]
-	mov r1, sp
-	movs r0, 0
-	strb r0, [r1]
-	mov r0, sp
-	bl do_load_map_stuff_loop
-	bl SetFieldVBlankCallback
-	ldr r0, _080544D4
-	bl set_callback1
-	ldr r0, _080544D8
-	bl SetMainCallback2
-_080544BE:
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080544C4: .4byte gMain
-_080544C8: .4byte 0x0000043c
-_080544CC: .4byte gUnknown_0300485C
-_080544D0: .4byte sub_8080B60
-_080544D4: .4byte c1_overworld
-_080544D8: .4byte c2_overworld
-	thumb_func_end c2_whiteout
-
-	thumb_func_start CB2_LoadMap
-CB2_LoadMap: @ 80544DC
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	bl ScriptContext1_Init
-	bl ScriptContext2_Disable
-	movs r0, 0
-	bl set_callback1
-	ldr r0, _08054500
-	bl SetMainCallback2
-	ldr r1, _08054504
-	ldr r0, _08054508
-	str r0, [r1, 0x8]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054500: .4byte sub_810CC80
-_08054504: .4byte gMain
-_08054508: .4byte CB2_LoadMap2
-	thumb_func_end CB2_LoadMap
-
-	thumb_func_start CB2_LoadMap2
-CB2_LoadMap2: @ 805450C
-	push {lr}
-	ldr r0, _08054528
-	bl do_load_map_stuff_loop
-	bl SetFieldVBlankCallback
-	ldr r0, _0805452C
-	bl set_callback1
-	ldr r0, _08054530
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054528: .4byte gMain + 0x43C
-_0805452C: .4byte c1_overworld
-_08054530: .4byte c2_overworld
-	thumb_func_end CB2_LoadMap2
-
-	thumb_func_start sub_8054534
-sub_8054534: @ 8054534
-	push {r4,lr}
-	ldr r0, _08054578
-	ldr r1, _0805457C
-	adds r4, r0, r1
-	ldrb r0, [r4]
-	cmp r0, 0
-	bne _08054554
-	bl FieldClearVBlankHBlankCallbacks
-	bl ScriptContext1_Init
-	bl ScriptContext2_Disable
-	movs r0, 0
-	bl set_callback1
-_08054554:
-	adds r0, r4, 0
-	movs r1, 0x1
-	bl sub_805493C
-	cmp r0, 0
-	beq _08054570
-	bl SetFieldVBlankCallback
-	ldr r0, _08054580
-	bl set_callback1
-	ldr r0, _08054584
-	bl SetMainCallback2
-_08054570:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054578: .4byte gMain
-_0805457C: .4byte 0x0000043c
-_08054580: .4byte c1_overworld
-_08054584: .4byte c2_overworld
-	thumb_func_end sub_8054534
-
-	thumb_func_start sub_8054588
-sub_8054588: @ 8054588
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	ldr r0, _080545A0
-	ldr r1, _080545A4
-	str r1, [r0]
-	ldr r0, _080545A8
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080545A0: .4byte gUnknown_0300485C
-_080545A4: .4byte sub_8080AC4
-_080545A8: .4byte c2_80567AC
-	thumb_func_end sub_8054588
-
-	thumb_func_start c2_80567AC
-c2_80567AC: @ 80545AC
-	push {lr}
-	ldr r0, _080545D4
-	bl sub_805483C
-	cmp r0, 0
-	beq _080545CE
-	bl SetFieldVBlankCallback
-	ldr r0, _080545D8
-	bl set_callback1
-	ldr r0, _080545DC
-	bl sub_80543DC
-	ldr r0, _080545E0
-	bl SetMainCallback2
-_080545CE:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080545D4: .4byte gMain + 0x43C
-_080545D8: .4byte sub_8055354
-_080545DC: .4byte sub_8055390
-_080545E0: .4byte c2_overworld
-	thumb_func_end c2_80567AC
-
-	thumb_func_start c2_exit_to_overworld_2_switch
-c2_exit_to_overworld_2_switch: @ 80545E4
-	push {lr}
-	bl is_c1_link_related_active
-	cmp r0, 0x1
-	bne _080545FC
-	ldr r0, _080545F8
-	bl SetMainCallback2
-	b _08054606
-	.align 2, 0
-_080545F8: .4byte c2_exit_to_overworld_2_link
-_080545FC:
-	bl FieldClearVBlankHBlankCallbacks
-	ldr r0, _0805460C
-	bl SetMainCallback2
-_08054606:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805460C: .4byte c2_exit_to_overworld_2_local
-	thumb_func_end c2_exit_to_overworld_2_switch
-
-	thumb_func_start c2_exit_to_overworld_2_local
-c2_exit_to_overworld_2_local: @ 8054610
-	push {lr}
-	ldr r0, _0805462C
-	bl sub_8054A4C
-	cmp r0, 0
-	beq _08054626
-	bl SetFieldVBlankCallback
-	ldr r0, _08054630
-	bl SetMainCallback2
-_08054626:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805462C: .4byte gMain + 0x43C
-_08054630: .4byte c2_overworld
-	thumb_func_end c2_exit_to_overworld_2_local
-
-	thumb_func_start c2_exit_to_overworld_2_link
-c2_exit_to_overworld_2_link: @ 8054634
-	push {lr}
-	bl sub_8055870
-	cmp r0, 0
-	bne _0805464E
-	ldr r0, _08054654
-	bl sub_8054A9C
-	cmp r0, 0
-	beq _0805464E
-	ldr r0, _08054658
-	bl SetMainCallback2
-_0805464E:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054654: .4byte gMain + 0x43C
-_08054658: .4byte c2_overworld
-	thumb_func_end c2_exit_to_overworld_2_link
-
-	thumb_func_start sub_805465C
-sub_805465C: @ 805465C
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	bl StopMapMusic
-	bl sub_8054F70
-	ldr r0, _0805468C
-	bl set_callback1
-	ldr r0, _08054690
-	bl sub_80543DC
-	ldr r1, _08054694
-	ldr r0, _08054698
-	str r0, [r1]
-	bl ScriptContext1_Init
-	bl ScriptContext2_Disable
-	bl c2_exit_to_overworld_2_switch
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805468C: .4byte sub_8055354
-_08054690: .4byte sub_8055390
-_08054694: .4byte gUnknown_0300485C
-_08054698: .4byte sub_8080A3C
-	thumb_func_end sub_805465C
-
-	thumb_func_start sub_805469C
-sub_805469C: @ 805469C
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	ldr r1, _080546B0
-	ldr r0, _080546B4
-	str r0, [r1]
-	bl c2_exit_to_overworld_2_switch
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080546B0: .4byte gUnknown_0300485C
-_080546B4: .4byte atk17_seteffectuser
-	thumb_func_end sub_805469C
-
-	thumb_func_start sub_80546B8
-sub_80546B8: @ 80546B8
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	ldr r1, _080546CC
-	ldr r0, _080546D0
-	str r0, [r1]
-	bl c2_exit_to_overworld_2_switch
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080546CC: .4byte gUnknown_0300485C
-_080546D0: .4byte sub_80809B0
-	thumb_func_end sub_80546B8
-
-	thumb_func_start c2_exit_to_overworld_1_continue_scripts_restart_music
-c2_exit_to_overworld_1_continue_scripts_restart_music: @ 80546D4
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	ldr r1, _080546E8
-	ldr r0, _080546EC
-	str r0, [r1]
-	bl c2_exit_to_overworld_2_switch
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080546E8: .4byte gUnknown_0300485C
-_080546EC: .4byte sub_8080990
-	thumb_func_end c2_exit_to_overworld_1_continue_scripts_restart_music
-
-	thumb_func_start sub_80546F0
-sub_80546F0: @ 80546F0
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	ldr r1, _08054704
-	ldr r0, _08054708
-	str r0, [r1]
-	bl c2_exit_to_overworld_2_switch
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054704: .4byte gUnknown_0300485C
-_08054708: .4byte sub_8080B60
-	thumb_func_end sub_80546F0
-
-	thumb_func_start sub_805470C
-sub_805470C: @ 805470C
-	push {lr}
-	ldr r0, _08054730
-	ldrb r0, [r0, 0x1A]
-	cmp r0, 0x1
-	bne _08054726
-	bl sub_80BBB24
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _08054726
-	bl AddMapNamePopUpWindowTask
-_08054726:
-	bl sub_8080B60
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054730: .4byte gMapHeader
-	thumb_func_end sub_805470C
-
-	thumb_func_start CB2_ContinueSavedGame
-CB2_ContinueSavedGame: @ 8054734
-	push {lr}
-	bl FieldClearVBlankHBlankCallbacks
-	bl StopMapMusic
-	bl ResetSafariZoneFlag_
-	bl sub_805338C
-	bl sub_8053198
-	bl sub_806451C
-	bl InTrainerHill
-	bl sub_805308C
-	bl sub_8055FC0
-	bl PlayTimeCounter_Start
-	bl ScriptContext1_Init
-	bl ScriptContext2_Disable
-	bl sub_80479F8
-	cmp r0, 0x1
-	bne _08054788
-	bl sub_8047A04
-	bl sub_8053778
-	bl warp_in
-	ldr r0, _08054784
-	bl SetMainCallback2
-	b _08054798
-	.align 2, 0
-_08054784: .4byte CB2_LoadMap
-_08054788:
-	ldr r0, _0805479C
-	ldr r1, _080547A0
-	str r1, [r0]
-	ldr r0, _080547A4
-	bl set_callback1
-	bl c2_exit_to_overworld_2_switch
-_08054798:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805479C: .4byte gUnknown_0300485C
-_080547A0: .4byte sub_805470C
-_080547A4: .4byte c1_overworld
-	thumb_func_end CB2_ContinueSavedGame
-
-	thumb_func_start FieldClearVBlankHBlankCallbacks
-FieldClearVBlankHBlankCallbacks: @ 80547A8
-	push {r4,lr}
-	ldr r4, _080547D8
-	ldrh r3, [r4]
-	movs r0, 0
-	strh r0, [r4]
-	ldr r2, _080547DC
-	ldrh r1, [r2]
-	ldr r0, _080547E0
-	ands r0, r1
-	strh r0, [r2]
-	ldrh r0, [r2]
-	movs r1, 0x1
-	orrs r0, r1
-	strh r0, [r2]
-	strh r3, [r4]
-	movs r0, 0
-	bl SetVBlankCallback
-	movs r0, 0
-	bl SetHBlankCallback
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080547D8: .4byte 0x04000208
-_080547DC: .4byte 0x04000200
-_080547E0: .4byte 0x0000fffd
-	thumb_func_end FieldClearVBlankHBlankCallbacks
-
-	thumb_func_start SetFieldVBlankCallback
-SetFieldVBlankCallback: @ 80547E4
-	push {lr}
-	ldr r0, _080547F0
-	bl SetVBlankCallback
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080547F0: .4byte VBlankCB_Field
-	thumb_func_end SetFieldVBlankCallback
-
-	thumb_func_start VBlankCB_Field
-VBlankCB_Field: @ 80547F4
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl sub_8089668
-	bl sub_8057A58
-	bl TransferPlttBuffer
-	bl sub_8072E74
-	pop {r0}
-	bx r0
-	thumb_func_end VBlankCB_Field
-
 	thumb_func_start sub_8054814
 sub_8054814: @ 8054814
 	push {lr}
diff --git a/include/fieldmap.h b/include/fieldmap.h
index 8154bd387..9a134e65c 100644
--- a/include/fieldmap.h
+++ b/include/fieldmap.h
@@ -94,7 +94,10 @@ struct MapHeader
     u8 cave;
     u8 weather;
     u8 light;
-    u8 filler_18[0x4];
+    u8 filler_18;
+    u8 escapeRope;
+    u8 flags;
+    u8 battleType;
 };
 
 struct MapObject
diff --git a/include/main.h b/include/main.h
index dda18889a..8ed9c7c7d 100644
--- a/include/main.h
+++ b/include/main.h
@@ -12,7 +12,7 @@ struct Main
     MainCallback callback1;
     MainCallback callback2;
 
-    u32 field_8;
+    MainCallback field_8;
 
     IntrCallback vblankCallback;
     IntrCallback hblankCallback;
diff --git a/ld_script.txt b/ld_script.txt
index 20353ea96..a1098af51 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -56,6 +56,7 @@ SECTIONS {
         asm/rom_8040EB4.o(.text);
         src/play_time.o(.text);
         src/new_game.o(.text);
+        src/rom4.o(.text);
         asm/rom4.o(.text);
         src/map_obj_80643A4.o(.text);
         src/field_message_box.o(.text);
diff --git a/src/main_menu.c b/src/main_menu.c
index 773ac06d8..d3481e3cd 100644
--- a/src/main_menu.c
+++ b/src/main_menu.c
@@ -478,7 +478,7 @@ void MainMenuPressedA(u8 taskId)
         DestroyTask(taskId);
         break;
     case OPTION:
-        gMain.field_8 = (u32)sub_80096FC;
+        gMain.field_8 = sub_80096FC;
         SetMainCallback2(CB2_InitOptionMenu);
         DestroyTask(taskId);
         break;
diff --git a/src/rom4.c b/src/rom4.c
new file mode 100644
index 000000000..541acd5a6
--- /dev/null
+++ b/src/rom4.c
@@ -0,0 +1,1319 @@
+#include "global.h"
+#include "fieldmap.h"
+#include "script.h"
+#include "songs.h"
+#include "sound.h"
+#include "rng.h"
+#include "main.h"
+#include "palette.h"
+
+#ifdef SAPPHIRE
+#define LEGENDARY_MUSIC BGM_OOAME  // Heavy Rain
+#else
+#define LEGENDARY_MUSIC BGM_HIDERI // Drought
+#endif
+
+struct UnkWarpStruct
+{
+    s8 mapGroup;
+    s8 mapNum;
+    s16 x, y;
+};
+
+struct UnkTVStruct
+{
+    u32 tv_field_0;
+    u32 tv_field_4;
+};
+
+struct UnkPlayerStruct
+{
+    u8 player_field_0;
+    u8 player_field_1;
+};
+
+struct UnkInputStruct
+{
+    u8 input_field_0;
+    u8 input_field_1;
+    u8 input_field_2;
+    u8 input_field_3;
+};
+
+extern struct WarpData gUnknown_020297F0;
+extern struct WarpData gUnknown_020297F8;
+extern struct WarpData gUnknown_02029800;
+extern struct WarpData gUnknown_02029808;
+extern struct UnkPlayerStruct gUnknown_02029810;
+extern u16 gUnknown_02029814;
+extern u8 gUnknown_02029816;
+
+extern void (*gUnknown_03000584)(void);
+
+extern void (*gUnknown_0300485C)(void);
+
+extern struct UnkTVStruct gUnknown_03004870;
+
+extern u8 gUnknown_0819FC74[];
+extern u8 gUnknown_0819FC9F[];
+
+extern struct MapData * const gMapAttributes[];
+extern struct MapHeader * const * const gMapGroups[];
+extern const struct WarpData gDummyWarpData;
+extern s32 gUnknown_0839ACE8;
+
+extern struct UnkWarpStruct *sub_80FA8CC(u8);
+extern u16 VarGet(u16);
+extern u8 FlagGet(u16);
+extern u8 sav1_get_weather_probably(void);
+extern void PlayerGetDestCoords(u16 *, u16 *);
+extern u8 sub_810D32C(void);
+extern u16 wild_pokemon_rand_for_map(u8 *);
+extern void sub_80C76A0(void);
+extern void sub_8080B60(void);
+extern void sub_810CC80(void);
+extern void sub_8080AC4(void);
+extern void sub_8080A3C(void);
+extern void atk17_seteffectuser(void);
+extern void sub_80809B0(void);
+extern void sub_8080990(void);
+extern u8 sub_80BBB24(void);
+
+void sub_8053050(void);
+void warp_in(void);
+void sub_8053570(void);
+u8 sav1_map_get_light_level(void);
+u8 get_map_light_level_by_bank_and_number(s8, s8);
+bool8 is_light_level_1_2_3_5_or_6(u8);
+void sub_805363C(s8, s8, s8, s8, s8);
+void sub_807D874(u8);
+void sub_8082BD0(u16, u16);
+void player_avatar_init_params_reset(void);
+u8 TestPlayerAvatarFlags(u8);
+u8 player_get_direction_lower_nybble(void);
+u8 sub_8053B00(struct UnkPlayerStruct *playerStruct, u16, u8);
+u8 sub_8053B60(struct UnkPlayerStruct *playerStruct, u8, u16, u8);
+u8 MetatileBehavior_IsSurfableWaterOrUnderwater(u8);
+bool8 sub_8056F24(u8);
+bool8 sub_8056F08(u8);
+bool8 sub_8056EAC(u8);
+bool8 MetatileBehavior_IsSouthArrowWarp(u8);
+bool8 MetatileBehavior_IsNorthArrowWarp(u8);
+bool8 MetatileBehavior_IsWestArrowWarp(u8);
+bool8 MetatileBehavior_IsEastArrowWarp(u8);
+bool8 MetatileBehavior_IsLadder(u8);
+u16 cur_mapdata_block_role_at_screen_center_acc_to_sav1(void);
+bool32 sub_8053C44(void);
+void sub_8053C98(void);
+void sav1_reset_battle_music_maybe(void);
+void sub_8053F0C(void);
+u8 is_light_level_8_or_9(u8);
+void sub_8054164(void);
+u16 sub_8085514();
+u16 wild_pokemon_rand_for_map(u8 *);
+void sub_8055354(void);
+void c2_overworld(void);
+void CB2_LoadMap2(void);
+void c2_80567AC(void);
+void sub_8055390(void);
+void c2_exit_to_overworld_2_link(void);
+void c2_exit_to_overworld_2_local(void);
+void FieldClearVBlankHBlankCallbacks(void);
+void SetFieldVBlankCallback(void);
+void VBlankCB_Field(void);
+
+void sub_8052F5C(void)
+{
+    ScriptContext2_RunNewScript(gUnknown_0819FC74);
+    gSaveBlock1.money /= 2;
+    sp000_heal_pokemon();
+    sub_8053050();
+    sub_8053570();
+    warp_in();
+}
+
+void flag_var_implications_of_teleport_(void)
+{
+    player_avatar_init_params_reset();
+    FlagReset(2091);
+    FlagReset(2093);
+    FlagReset(2092);
+    FlagReset(2089);
+    FlagReset(2088);
+}
+
+void new_game(void)
+{
+    player_avatar_init_params_reset();
+    FlagReset(2091);
+    FlagReset(2093);
+    FlagReset(2092);
+    FlagReset(2089);
+    FlagReset(2088);
+    ScriptContext2_RunNewScript(gUnknown_0819FC9F);
+}
+
+void sub_8053014(void)
+{
+    player_avatar_init_params_reset();
+    FlagReset(2091);
+    FlagReset(2093);
+    FlagReset(2092);
+    FlagReset(2089);
+    FlagReset(2088);
+}
+
+void sub_8053050(void)
+{
+    player_avatar_init_params_reset();
+    FlagReset(2091);
+    FlagReset(2093);
+    FlagReset(2092);
+    FlagReset(2089);
+    FlagReset(2088);
+}
+
+void sub_805308C(void)
+{
+    FlagReset(2092);
+    sub_8054164();
+    wild_pokemon_reroll();
+    mapnumbers_history_shift_sav1_0_2_4_out();
+    sub_8134348();
+}
+
+void sub_80530AC(void)
+{
+    s32 i;
+    for (i = 0; i < NUM_GAME_STATS; i++)
+        gSaveBlock1.gameStats[i] = 0;
+}
+
+void sav12_xor_increment(u8 index)
+{
+    if (index < NUM_GAME_STATS)
+    {
+        if (gSaveBlock1.gameStats[index] < 0xFFFFFF)
+            gSaveBlock1.gameStats[index]++;
+        else
+            gSaveBlock1.gameStats[index] = 0xFFFFFF;
+    }
+}
+
+u32 sub_8053108(u8 index)
+{
+    if (index >= NUM_GAME_STATS)
+        return 0;
+
+    return gSaveBlock1.gameStats[index];
+}
+
+void sav12_xor_set(u8 index, u32 value)
+{
+    if (index < NUM_GAME_STATS)
+        gSaveBlock1.gameStats[index] = value;
+}
+
+void sub_8053154(void)
+{
+    CpuFill32(0, gSaveBlock1.mapObjectTemplates, sizeof(gSaveBlock1.mapObjectTemplates));
+    CpuCopy32(gMapHeader.events->mapObjects,
+              gSaveBlock1.mapObjectTemplates,
+              gMapHeader.events->mapObjectCount * sizeof(struct MapObjectTemplate));
+}
+
+void sub_8053198(void)
+{
+    struct MapObjectTemplate *mapObjectTemplates = gSaveBlock1.mapObjectTemplates;
+    s32 i;
+    for (i = 0; i < 64; i++)
+        mapObjectTemplates[i].script = gMapHeader.events->mapObjects[i].script;
+}
+
+void update_saveblock1_field_object_coords(u8 localId, s16 x, s16 y)
+{
+    s32 i;
+    for (i = 0; i < 64; i++)
+    {
+        struct MapObjectTemplate *mapObjectTemplate = &gSaveBlock1.mapObjectTemplates[i];
+        if (mapObjectTemplate->localId == localId)
+        {
+            mapObjectTemplate->x = x;
+            mapObjectTemplate->y = y;
+            break;
+        }
+    }
+}
+
+void update_saveblock1_field_object_movement_behavior(u8 localId, u8 movementType)
+{
+    s32 i = 0;
+    struct MapObjectTemplate *mapObjectTemplate = gSaveBlock1.mapObjectTemplates;
+    do
+    {
+        if (mapObjectTemplate->localId == localId)
+        {
+            mapObjectTemplate->movementType = movementType;
+            break;
+        }
+        mapObjectTemplate++;
+        i++;
+    } while (i < 64);
+}
+
+void mapdata_load_assets_to_gpu_and_full_redraw(void)
+{
+    move_tilemap_camera_to_upper_left_corner();
+    copy_map_tileset1_tileset2_to_vram(gMapHeader.mapData);
+    apply_map_tileset1_tileset2_palette(gMapHeader.mapData);
+    DrawWholeMapView();
+    cur_mapheader_run_tileset_funcs_after_some_cpuset();
+}
+
+struct MapData *get_mapdata_header(void)
+{
+    u16 mapDataId = gSaveBlock1.mapDataId;
+    if (mapDataId)
+        return gMapAttributes[mapDataId - 1];
+    return NULL;
+}
+
+void warp_shift(void)
+{
+    gUnknown_020297F0 = gSaveBlock1.location;
+    gSaveBlock1.location = gUnknown_020297F8;
+    gUnknown_02029800 = gDummyWarpData;
+    gUnknown_02029808 = gDummyWarpData;
+}
+
+void warp_set(struct WarpData *warp, s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+{
+    warp->mapGroup = mapGroup;
+    warp->mapNum = mapNum;
+    warp->warpId = warpId;
+    warp->x = x;
+    warp->y = y;
+}
+
+bool32 warp_data_is_not_neg_1(struct WarpData *warp)
+{
+    if (warp->mapGroup != -1)
+        return FALSE;
+    if (warp->mapNum != -1)
+        return FALSE;
+    if (warp->warpId != -1)
+        return FALSE;
+    if (warp->x != -1)
+        return FALSE;
+    if (warp->y != -1)
+        return FALSE;
+    return TRUE;
+}
+
+struct MapHeader * const get_mapheader_by_bank_and_number(u16 mapGroup, u16 mapNum)
+{
+    return gMapGroups[mapGroup][mapNum];
+}
+
+struct MapHeader * const warp1_get_mapheader(void)
+{
+    return get_mapheader_by_bank_and_number(gUnknown_020297F8.mapGroup, gUnknown_020297F8.mapNum);
+}
+
+void set_current_map_header_from_sav1_save_old_name(void)
+{
+    struct MapHeader *dest = &gMapHeader;
+    struct MapHeader *src = get_mapheader_by_bank_and_number(gSaveBlock1.location.mapGroup, gSaveBlock1.location.mapNum);
+    *dest = *src;
+    gSaveBlock1.mapDataId = dest->mapDataId;
+    dest->mapData = get_mapdata_header();
+}
+
+void sub_805338C(void)
+{
+    struct MapHeader *dest = &gMapHeader;
+    struct MapHeader *src = get_mapheader_by_bank_and_number(gSaveBlock1.location.mapGroup, gSaveBlock1.location.mapNum);
+    *dest = *src;
+    dest->mapData = get_mapdata_header();
+}
+
+void sub_80533CC(void)
+{
+    if (gSaveBlock1.location.warpId >= 0 && gSaveBlock1.location.warpId < gMapHeader.events->warpCount)
+    {
+        gSaveBlock1.pos.x = gMapHeader.events->warps[gSaveBlock1.location.warpId].x;
+        gSaveBlock1.pos.y = gMapHeader.events->warps[gSaveBlock1.location.warpId].y;
+    }
+    else if (gSaveBlock1.location.x >= 0 && gSaveBlock1.location.y >= 0)
+    {
+        gSaveBlock1.pos.x = gSaveBlock1.location.x;
+        gSaveBlock1.pos.y = gSaveBlock1.location.y;
+    }
+    else
+    {
+        gSaveBlock1.pos.x = gMapHeader.mapData->width / 2;
+        gSaveBlock1.pos.y = gMapHeader.mapData->height / 2;
+    }
+}
+
+void warp_in(void)
+{
+    warp_shift();
+    set_current_map_header_from_sav1_save_old_name();
+    sub_80533CC();
+}
+
+void warp1_set(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+{
+    warp_set(&gUnknown_020297F8, mapGroup, mapNum, warpId, x, y);
+}
+
+void warp1_set_2(s8 mapGroup, s8 mapNum, s8 warpId)
+{
+    warp1_set(mapGroup, mapNum, warpId, -1, -1);
+}
+
+void saved_warp2_set(int unused, s8 mapGroup, s8 mapNum, s8 warpId)
+{
+    warp_set(&gSaveBlock1.warp2, mapGroup, mapNum, warpId, gSaveBlock1.pos.x, gSaveBlock1.pos.y);
+}
+
+void saved_warp2_set_2(int unused, s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+{
+    warp_set(&gSaveBlock1.warp2, mapGroup, mapNum, warpId, x, y);
+}
+
+void copy_saved_warp2_bank_and_enter_x_to_warp1(void)
+{
+    gUnknown_020297F8 = gSaveBlock1.warp2;
+}
+
+void sub_8053538(u8 a1)
+{
+    struct UnkWarpStruct *warp = sub_80FA8CC(a1);
+    if (warp)
+        warp1_set(warp->mapGroup, warp->mapNum, -1, warp->x, warp->y);
+}
+
+void sub_8053570(void)
+{
+    gUnknown_020297F8 = gSaveBlock1.warp3;
+}
+
+void sub_8053588(u8 a1)
+{
+    struct UnkWarpStruct *warp = sub_80FA8CC(a1);
+    if (warp)
+        warp_set(&gSaveBlock1.warp3, warp->mapGroup, warp->mapNum, -1, warp->x, warp->y);
+}
+
+void sub_80535C4(u16 a1, u16 a2)
+{
+    u8 v4 = sav1_map_get_light_level();
+    u8 v5 = get_map_light_level_by_bank_and_number(gUnknown_020297F8.mapGroup, gUnknown_020297F8.mapNum);
+    if (is_light_level_1_2_3_5_or_6(v4) && is_light_level_1_2_3_5_or_6(v5) != TRUE)
+        sub_805363C(gSaveBlock1.location.mapGroup, gSaveBlock1.location.mapNum, -1, a1 - 7, a2 - 6);
+}
+
+void sub_805363C(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+{
+    warp_set(&gSaveBlock1.warp4, mapGroup, mapNum, warpId, x, y);
+}
+
+void sub_8053678(void)
+{
+    gUnknown_020297F8 = gSaveBlock1.warp4;
+}
+
+void sub_8053690(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+{
+    warp_set(&gUnknown_02029800, mapGroup, mapNum, warpId, x, y);
+}
+
+void warp1_set_to_warp2(void)
+{
+    gUnknown_020297F8 = gUnknown_02029800;
+}
+
+void sub_80536E4(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+{
+    warp_set(&gUnknown_02029808, mapGroup, mapNum, warpId, x, y);
+}
+
+void sub_8053720(s16 x, s16 y)
+{
+    if (warp_data_is_not_neg_1(&gUnknown_02029808) == TRUE)
+    {
+        gUnknown_020297F8 = gUnknown_020297F0;
+    }
+    else
+    {
+        warp1_set(gUnknown_02029808.mapGroup, gUnknown_02029808.mapNum, -1, x, y);
+    }
+}
+
+void sub_8053778(void)
+{
+    gUnknown_020297F8 = gSaveBlock1.warp1;
+}
+
+void unref_sub_8053790(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+{
+    warp_set(&gSaveBlock1.warp1, mapGroup, mapNum, warpId, x, y);
+}
+
+void sub_80537CC(u8 a1)
+{
+    struct UnkWarpStruct *warp = sub_80FA8CC(a1);
+    if (warp)
+        warp_set(&gSaveBlock1.warp1, warp->mapGroup, warp->mapNum, -1, warp->x, warp->y);
+}
+
+void gpu_sync_bg_hide(void)
+{
+    gSaveBlock1.warp1 = gSaveBlock1.warp2;
+}
+
+struct MapConnection *sub_8053818(u8 dir)
+{
+    s32 i;
+    s32 count = gMapHeader.connections->count;
+    struct MapConnection *connection = gMapHeader.connections->connections;
+
+    if (connection == NULL)
+        return NULL;
+
+    i = 0;
+
+    while (i < count)
+    {
+        if (connection->direction == dir)
+            return connection;
+        i++;
+        connection++;
+    }
+
+    return NULL;
+}
+
+bool8 sub_8053850(u8 dir, u16 x, u16 y)
+{
+    struct MapConnection *connection = sub_8053818(dir);
+    if (connection)
+    {
+        warp1_set(connection->mapGroup, connection->mapNum, -1, x, y);
+    }
+    else
+    {
+        mapheader_run_script_with_tag_x6();
+        if (warp_data_is_not_neg_1(&gUnknown_02029800))
+            return FALSE;
+        warp1_set_to_warp2();
+    }
+    return TRUE;
+}
+
+bool8 sub_80538B0(u16 x, u16 y)
+{
+    return sub_8053850(CONNECTION_EMERGE, x, y);
+}
+
+bool8 sub_80538D0(u16 x, u16 y)
+{
+    return sub_8053850(CONNECTION_DIVE, x, y);
+}
+
+void sub_80538F0(u8 mapGroup, u8 mapNum)
+{
+    s32 i;
+    warp1_set(mapGroup, mapNum, -1, -1, -1);
+    sub_8053F0C();
+    warp_shift();
+    set_current_map_header_from_sav1_save_old_name();
+    sub_8053154();
+    sub_806906C();
+    wild_pokemon_reroll();
+    prev_quest_postbuffer_cursor_backup_reset();
+    sub_8082BD0(mapGroup, mapNum);
+    InTrainerHill();
+    sub_80806E4();
+    sub_8054164();
+    sub_8053C98();
+    sav1_reset_battle_music_maybe();
+    mapheader_run_script_with_tag_x3();
+    not_trainer_hill_battle_pyramid();
+    sub_8056D38(gMapHeader.mapData);
+    apply_map_tileset2_palette(gMapHeader.mapData);
+    for (i = 6; i < 12; i++)
+        sub_807D874(i);
+    sub_8072ED0();
+    mapnumbers_history_shift_sav1_0_2_4_out();
+    sub_8134394();
+    sub_808073C();
+    wild_encounter_reset_coro_args();
+    mapheader_run_script_with_tag_x5();
+    AddMapNamePopUpWindowTask();
+}
+
+void sub_8053994(u32 a1)
+{
+    bool8 v2;
+    bool8 v3;
+
+    set_current_map_header_from_sav1_save_old_name();
+    sub_8053154();
+    v2 = is_light_level_1_2_3_5_or_6(gMapHeader.light);
+    v3 = is_light_level_8_or_9(gMapHeader.light);
+    sub_806906C();
+    wild_pokemon_reroll();
+    prev_quest_postbuffer_cursor_backup_reset();
+    sub_8082BD0(gSaveBlock1.location.mapGroup, gSaveBlock1.location.mapNum);
+    if (a1 != 1)
+        InTrainerHill();
+    sub_80806E4();
+    sub_8054164();
+    if (v2)
+        FlagReset(2088);
+    sub_8053C98();
+    sav1_reset_battle_music_maybe();
+    mapheader_run_script_with_tag_x3();
+    mapnumbers_history_shift_sav1_0_2_4_out();
+    sub_8134348();
+    not_trainer_hill_battle_pyramid();
+    if (a1 != 1 && v3)
+    {
+        UpdateTVScreensOnMap(gUnknown_03004870.tv_field_0, gUnknown_03004870.tv_field_4);
+        sub_80BBCCC(1);
+    }
+}
+
+void player_avatar_init_params_reset(void)
+{
+    gUnknown_02029810.player_field_1 = 1;
+    gUnknown_02029810.player_field_0 = 1;
+}
+
+void walkrun_find_lowest_active_bit_in_bitfield(void)
+{
+    gUnknown_02029810.player_field_1 = player_get_direction_lower_nybble();
+
+    if (TestPlayerAvatarFlags(2))
+        gUnknown_02029810.player_field_0 = 2;
+    else if (TestPlayerAvatarFlags(4))
+        gUnknown_02029810.player_field_0 = 4;
+    else if (TestPlayerAvatarFlags(8))
+        gUnknown_02029810.player_field_0 = 8;
+    else if (TestPlayerAvatarFlags(0x10))
+        gUnknown_02029810.player_field_0 = 16;
+    else
+        gUnknown_02029810.player_field_0 = 1;
+}
+
+struct UnkPlayerStruct *sub_8053AA8(void)
+{
+    struct UnkPlayerStruct playerStruct;
+    u8 light = sav1_map_get_light_level();
+    u16 v2 = cur_mapdata_block_role_at_screen_center_acc_to_sav1();
+    u8 v4 = sub_8053B00(&gUnknown_02029810, v2, light);
+    playerStruct.player_field_0 = v4;
+    playerStruct.player_field_1 = sub_8053B60(&gUnknown_02029810, v4, v2, light);
+    gUnknown_02029810 = playerStruct;
+    return &gUnknown_02029810;
+}
+
+u8 sub_8053B00(struct UnkPlayerStruct *playerStruct, u16 a2, u8 a3)
+{
+    if (a3 != 8 && FlagGet(2093))
+        return 1;
+    if (a3 == 5)
+        return 16;
+    if (MetatileBehavior_IsSurfableWaterOrUnderwater(a2) == 1)
+        return 8;
+    if (sub_8053C44() != 1)
+        return 1;
+    if (playerStruct->player_field_0 == 2)
+        return 2;
+    if (playerStruct->player_field_0 != 4)
+        return 1;
+    return 4;
+}
+
+u8 sub_8053B60(struct UnkPlayerStruct *playerStruct, u8 a2, u16 a3, u8 a4)
+{
+    if (FlagGet(2093) && a4 == 6)
+        return 4;
+    if (sub_8056F24(a3) == TRUE)
+        return 2;
+    if (sub_8056F08(a3) == TRUE || sub_8056EAC(a3) == TRUE)
+        return 1;
+    if (MetatileBehavior_IsSouthArrowWarp(a3) == TRUE)
+        return 2;
+    if (MetatileBehavior_IsNorthArrowWarp(a3) == TRUE)
+        return 1;
+    if (MetatileBehavior_IsWestArrowWarp(a3) == TRUE)
+        return 4;
+    if (MetatileBehavior_IsEastArrowWarp(a3) == TRUE)
+        return 3;
+    if ((playerStruct->player_field_0 == 16 && a2 == 8)
+     || (playerStruct->player_field_0 == 8 && a2 == 16))
+        return playerStruct->player_field_1;
+    if (MetatileBehavior_IsLadder(a3) == TRUE)
+        return playerStruct->player_field_1;
+    return 1;
+}
+
+u16 cur_mapdata_block_role_at_screen_center_acc_to_sav1(void)
+{
+    return MapGridGetMetatileBehaviorAt(gSaveBlock1.pos.x + 7, gSaveBlock1.pos.y + 7);
+}
+
+bool32 sub_8053C44(void)
+{
+    if (gSaveBlock1.location.mapGroup == 29 && (gSaveBlock1.location.mapNum == 11 || gSaveBlock1.location.mapNum == 12))
+        return TRUE;
+    if (gMapHeader.light == 8)
+        return FALSE;
+    if (gMapHeader.light == 9)
+        return FALSE;
+    if (gMapHeader.light == 5)
+        return FALSE;
+    if (gSaveBlock1.location.mapGroup == 24 && gSaveBlock1.location.mapNum == 36)
+        return FALSE;
+    if (gSaveBlock1.location.mapGroup == 24 && gSaveBlock1.location.mapNum == 42)
+        return FALSE;
+    return TRUE;
+}
+
+void sub_8053C98(void)
+{
+    if (!gMapHeader.cave)
+        gSaveBlock1.flashUsed = 0;
+    else if (FlagGet(2088))
+        gSaveBlock1.flashUsed = 1;
+    else
+        gSaveBlock1.flashUsed = gUnknown_0839ACE8;
+}
+
+void sub_8053CE4(s32 a1)
+{
+    if (a1 < 0 || a1 > gUnknown_0839ACE8)
+        a1 = 0;
+    gSaveBlock1.flashUsed = a1;
+}
+
+u8 sav1_get_flash_used_on_map()
+{
+    return gSaveBlock1.flashUsed;
+}
+
+void sub_8053D14(u16 mapDataId)
+{
+    gSaveBlock1.mapDataId = mapDataId;
+    gMapHeader.mapData = get_mapdata_header();
+}
+
+bool16 sub_8053D30(struct WarpData *warp)
+{
+    if (!FlagGet(2090))
+        return FALSE;
+    if (warp->mapGroup != 0)
+        return FALSE;
+    switch (warp->mapNum)
+    {
+    case 5:
+    case 6:
+    case 7:
+    case 8:
+        return TRUE;
+    case 39:
+    case 40:
+    case 41:
+    case 42:
+    case 43:
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool16 sub_8053D6C(struct WarpData *warp)
+{
+    if (VarGet(16563))
+        return FALSE;
+    if (warp->mapGroup != 32)
+        return FALSE;
+    if (warp->mapNum == 0 || warp->mapNum == 1)
+        return TRUE;
+    return FALSE;
+}
+
+u16 sub_8053D9C(struct WarpData *warp)
+{
+    if (sub_8053D30(warp) == TRUE)
+        return LEGENDARY_MUSIC;
+    else if (sub_8053D6C(warp) == TRUE)
+        return BGM_TOZAN;
+    else
+        return get_mapheader_by_bank_and_number(warp->mapGroup, warp->mapNum)->music;
+}
+
+u16 sav1_map_get_music(void)
+{
+    u16 music;
+
+    if (gSaveBlock1.location.mapGroup == 0
+     && gSaveBlock1.location.mapNum == 26
+     && sav1_get_weather_probably() == 8)
+        return BGM_ASHROAD;
+
+    music = sub_8053D9C(&gSaveBlock1.location);
+    if (music != 0x7FFF)
+    {
+        return music;
+    }
+    else
+    {
+        if (gSaveBlock1.pos.x < 24)
+            return BGM_DOORO_X1;
+        else
+            return BGM_GRANROAD;
+    }
+}
+
+u16 warp1_target_get_music(void)
+{
+    u16 music = sub_8053D9C(&gUnknown_020297F8);
+    if (music != 0x7FFF)
+    {
+        return music;
+    }
+    else
+    {
+        if (gSaveBlock1.location.mapGroup == 0 && gSaveBlock1.location.mapNum == 2)
+            return BGM_DOORO_X1;
+        else
+            return BGM_GRANROAD;
+    }
+}
+
+void call_map_music_set_to_zero(void)
+{
+    ResetMapMusic();
+}
+
+void sub_8053E90(void)
+{
+    u16 music = sav1_map_get_music();
+
+    if (music != LEGENDARY_MUSIC)
+    {
+        if (gSaveBlock1.battleMusic)
+            music = gSaveBlock1.battleMusic;
+        else if (sav1_map_get_light_level() == 5)
+            music = BGM_DEEPDEEP;
+        else if (TestPlayerAvatarFlags(8))
+            music = BGM_NAMINORI;
+    }
+
+    if (music != GetCurrentMapMusic())
+        PlayNewMapMusic(music);
+}
+
+void sav1_set_battle_music_maybe(u16 songNum)
+{
+    gSaveBlock1.battleMusic = songNum;
+}
+
+void sav1_reset_battle_music_maybe(void)
+{
+    gSaveBlock1.battleMusic = 0;
+}
+
+void sub_8053F0C(void)
+{
+    if (FlagGet(16385) != TRUE)
+    {
+        u16 newMusic = warp1_target_get_music();
+        u16 currentMusic = GetCurrentMapMusic();
+        if (newMusic != LEGENDARY_MUSIC)
+        {
+            if (currentMusic == BGM_DEEPDEEP || currentMusic == BGM_NAMINORI)
+                return;
+            if (TestPlayerAvatarFlags(8))
+                newMusic = BGM_NAMINORI;
+        }
+        if (newMusic != currentMusic)
+        {
+            if (TestPlayerAvatarFlags(6))
+                FadeOutAndFadeInNewMapMusic(newMusic, 4, 4);
+            else
+                FadeOutAndPlayNewMapMusic(newMusic, 8);
+        }
+    }
+}
+
+void sub_8053F84(void)
+{
+    u16 currentMusic = GetCurrentMapMusic();
+    if (currentMusic != sav1_map_get_music())
+        FadeOutAndPlayNewMapMusic(sav1_map_get_music(), 8);
+}
+
+void sub_8053FB0(u16 music)
+{
+    u16 currentMusic = GetCurrentMapMusic();
+    if (currentMusic != music && currentMusic != LEGENDARY_MUSIC)
+        FadeOutAndPlayNewMapMusic(music, 8);
+}
+
+u8 is_warp1_light_level_8_or_9(void)
+{
+    struct MapHeader *mapHeader = warp1_get_mapheader();
+    if (is_light_level_8_or_9(mapHeader->light) == TRUE)
+        return 2;
+    else
+        return 4;
+}
+
+void sub_8053FF8(void)
+{
+    u16 music = warp1_target_get_music();
+    if (FlagGet(16385) != TRUE && music != GetCurrentMapMusic())
+    {
+        u8 speed = is_warp1_light_level_8_or_9();
+        FadeOutMapMusic(speed);
+    }
+}
+
+bool8 sub_8054034(void)
+{
+    return IsNotWaitingForBGMStop();
+}
+
+void sub_8054044(void)
+{
+    FadeOutMapMusic(4);
+}
+
+void sub_8054050(void)
+{
+    s16 x, y;
+    PlayerGetDestCoords((u16 *)&x, (u16 *)&y);
+    if (gUnknown_02029816 != 1
+     || MetatileBehavior_IsSurfableWaterOrUnderwater(MapGridGetMetatileBehaviorAt(x, y)))
+    {
+        s8 pan = (Random() % 88) + 212;
+        s8 volume = (Random() % 30) + 50;
+        PlayCry2(gUnknown_02029814, pan, volume, 1);
+    }
+}
+
+void sub_80540D0(s16 *a1, u16 *a2)
+{
+    switch (*a1)
+    {
+    case 0:
+        if (!gUnknown_02029814)
+            *a1 = 4;
+        else
+            *a1 = 1;
+        break;
+    case 1:
+        *a2 = (Random() % 2400) + 1200;
+        *a1 = 3;
+        break;
+    case 2:
+        *a2 = (Random() % 1200) + 1200;
+        *a1 = 3;
+        break;
+    case 3:
+        (*a2)--;
+        if (*a2 == 0)
+        {
+            sub_8054050();
+            *a1 = 2;
+        }
+        break;
+    case 4:
+        break;
+    }
+}
+
+void sub_8054164(void)
+{
+    if ((gSaveBlock1.location.mapGroup == 0 && gSaveBlock1.location.mapNum == 45) && !sub_810D32C())
+    {
+        gUnknown_02029816 = 1;
+        gUnknown_02029814 = sub_8085514();
+    }
+    else
+    {
+        gUnknown_02029814 = wild_pokemon_rand_for_map(&gUnknown_02029816);
+    }
+}
+
+u8 get_map_light_level_by_bank_and_number(s8 mapGroup, s8 mapNum)
+{
+    return get_mapheader_by_bank_and_number(mapGroup, mapNum)->light;
+}
+
+u8 get_map_light_level_from_warp(struct WarpData *warp)
+{
+    return get_map_light_level_by_bank_and_number(warp->mapGroup, warp->mapNum);
+}
+
+u8 sav1_map_get_light_level(void)
+{
+    return get_map_light_level_from_warp(&gSaveBlock1.location);
+}
+
+u8 get_map_light_from_warp0(void)
+{
+    return get_map_light_level_from_warp(&gUnknown_020297F0);
+}
+
+bool8 is_light_level_1_2_3_5_or_6(u8 a1)
+{
+    if (a1 == 3 || a1 == 1 || a1 == 5 || a1 == 2 || a1 == 6)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+bool8 is_light_level_1_2_3_or_6(u8 a1)
+{
+    if (a1 == 3 || a1 == 1 || a1 == 6 || a1 == 2)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+bool8 is_light_level_8_or_9(u8 a1)
+{
+    if (a1 == 8 || a1 == 9)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+u8 unref_sub_8054260(void)
+{
+    return get_mapheader_by_bank_and_number(gSaveBlock1.warp2.mapGroup, gSaveBlock1.warp2.mapNum)->name;
+}
+
+u8 sav1_map_get_name(void)
+{
+    return get_mapheader_by_bank_and_number(gSaveBlock1.location.mapGroup, gSaveBlock1.location.mapNum)->name;
+}
+
+u8 sav1_map_get_battletype(void)
+{
+    return get_mapheader_by_bank_and_number(gSaveBlock1.location.mapGroup, gSaveBlock1.location.mapNum)->battleType;
+}
+
+void ResetSafariZoneFlag_(void)
+{
+    ResetSafariZoneFlag();
+}
+
+bool32 is_c1_link_related_active(void)
+{
+    if (gMain.callback1 == sub_8055354)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+void c1_overworld_normal(u16 newKeys, u16 heldKeys)
+{
+    struct UnkInputStruct inputStruct;
+    sub_8059204();
+    sub_8067EEC(&inputStruct);
+    process_overworld_input(&inputStruct, newKeys, heldKeys);
+    if (!ScriptContext2_IsEnabled())
+    {
+        if (sub_8068024(&inputStruct) == 1)
+        {
+            ScriptContext2_Enable();
+            HideMapNamePopUpWindow();
+        }
+        else
+        {
+            player_step(inputStruct.input_field_2, newKeys, heldKeys);
+        }
+    }
+}
+
+void c1_overworld(void)
+{
+    if (gMain.callback2 == c2_overworld)
+        c1_overworld_normal(gMain.newKeys, gMain.heldKeys);
+}
+
+void c2_overworld_basic(void)
+{
+    ScriptContext2_RunScript();
+    RunTasks();
+    AnimateSprites();
+    CameraUpdate();
+    UpdateCameraPanning();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+    sub_8072EDC();
+}
+
+void sub_8054398(void)
+{
+    c2_overworld_basic();
+}
+
+void c2_overworld(void)
+{
+    int fading = (gPaletteFade.active != 0);
+    if (fading)
+        SetVBlankCallback(NULL);
+    c2_overworld_basic();
+    if (fading)
+        SetFieldVBlankCallback();
+}
+
+void set_callback1(MainCallback cb)
+{
+    gMain.callback1 = cb;
+}
+
+void sub_80543DC(void (*a1)(void))
+{
+    gUnknown_03000584 = a1;
+}
+
+void sub_80543E8(void)
+{
+    if (gUnknown_0300485C)
+        gUnknown_0300485C();
+    else
+        mapldr_default();
+    gUnknown_0300485C = NULL;
+}
+
+void CB2_NewGame(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    StopMapMusic();
+    ResetSafariZoneFlag_();
+    NewGameInitData();
+    player_avatar_init_params_reset();
+    PlayTimeCounter_Start();
+    ScriptContext1_Init();
+    ScriptContext2_Disable();
+    gUnknown_0300485C = sub_80C76A0;
+    do_load_map_stuff_loop(&gMain.state);
+    SetFieldVBlankCallback();
+    set_callback1(c1_overworld);
+    SetMainCallback2(c2_overworld);
+}
+
+void c2_whiteout(void)
+{
+    u8 val;
+    gMain.state++;
+    if (gMain.state >= 120)
+    {
+        FieldClearVBlankHBlankCallbacks();
+        StopMapMusic();
+        ResetSafariZoneFlag_();
+        sub_8052F5C();
+        player_avatar_init_params_reset();
+        ScriptContext1_Init();
+        ScriptContext2_Disable();
+        gUnknown_0300485C = sub_8080B60;
+        val = 0;
+        do_load_map_stuff_loop(&val);
+        SetFieldVBlankCallback();
+        set_callback1(c1_overworld);
+        SetMainCallback2(c2_overworld);
+    }
+}
+
+void CB2_LoadMap(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    ScriptContext1_Init();
+    ScriptContext2_Disable();
+    set_callback1(NULL);
+    SetMainCallback2(sub_810CC80);
+    gMain.field_8 = CB2_LoadMap2;
+}
+
+void CB2_LoadMap2(void)
+{
+    do_load_map_stuff_loop(&gMain.state);
+    SetFieldVBlankCallback();
+    set_callback1(c1_overworld);
+    SetMainCallback2(c2_overworld);
+}
+
+void sub_8054534(void)
+{
+    if (!gMain.state)
+    {
+        FieldClearVBlankHBlankCallbacks();
+        ScriptContext1_Init();
+        ScriptContext2_Disable();
+        set_callback1(NULL);
+    }
+    if (sub_805493C(&gMain.state, 1))
+    {
+        SetFieldVBlankCallback();
+        set_callback1(c1_overworld);
+        SetMainCallback2(c2_overworld);
+    }
+}
+
+void sub_8054588(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    gUnknown_0300485C = sub_8080AC4;
+    SetMainCallback2(c2_80567AC);
+}
+
+void c2_80567AC(void)
+{
+    if (sub_805483C(&gMain.state))
+    {
+        SetFieldVBlankCallback();
+        set_callback1(sub_8055354);
+        sub_80543DC(sub_8055390);
+        SetMainCallback2(c2_overworld);
+    }
+}
+
+void c2_exit_to_overworld_2_switch(void)
+{
+    if (is_c1_link_related_active() == TRUE)
+    {
+        SetMainCallback2(c2_exit_to_overworld_2_link);
+    }
+    else
+    {
+        FieldClearVBlankHBlankCallbacks();
+        SetMainCallback2(c2_exit_to_overworld_2_local);
+    }
+}
+
+void c2_exit_to_overworld_2_local(void)
+{
+    if (sub_8054A4C(&gMain.state))
+    {
+        SetFieldVBlankCallback();
+        SetMainCallback2(c2_overworld);
+    }
+}
+
+void c2_exit_to_overworld_2_link(void)
+{
+    if (!sub_8055870() && sub_8054A9C(&gMain.state))
+        SetMainCallback2(c2_overworld);
+}
+
+void sub_805465C(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    StopMapMusic();
+    sub_8054F70();
+    set_callback1(sub_8055354);
+    sub_80543DC(sub_8055390);
+    gUnknown_0300485C = sub_8080A3C;
+    ScriptContext1_Init();
+    ScriptContext2_Disable();
+    c2_exit_to_overworld_2_switch();
+}
+
+void sub_805469C(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    gUnknown_0300485C = atk17_seteffectuser;
+    c2_exit_to_overworld_2_switch();
+}
+
+void sub_80546B8(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    gUnknown_0300485C = sub_80809B0;
+    c2_exit_to_overworld_2_switch();
+}
+
+void c2_exit_to_overworld_1_continue_scripts_restart_music(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    gUnknown_0300485C = sub_8080990;
+    c2_exit_to_overworld_2_switch();
+}
+
+void sub_80546F0(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    gUnknown_0300485C = sub_8080B60;
+    c2_exit_to_overworld_2_switch();
+}
+
+void sub_805470C(void)
+{
+    if (gMapHeader.flags == 1 && sub_80BBB24() == 1)
+        AddMapNamePopUpWindowTask();
+    sub_8080B60();
+}
+
+void CB2_ContinueSavedGame(void)
+{
+    FieldClearVBlankHBlankCallbacks();
+    StopMapMusic();
+    ResetSafariZoneFlag_();
+    sub_805338C();
+    sub_8053198();
+    sub_806451C();
+    InTrainerHill();
+    sub_805308C();
+    sub_8055FC0();
+    PlayTimeCounter_Start();
+    ScriptContext1_Init();
+    ScriptContext2_Disable();
+    if (sub_80479F8() == 1)
+    {
+        sub_8047A04();
+        sub_8053778();
+        warp_in();
+        SetMainCallback2(CB2_LoadMap);
+    }
+    else
+    {
+        gUnknown_0300485C = sub_805470C;
+        set_callback1(c1_overworld);
+        c2_exit_to_overworld_2_switch();
+    }
+}
+
+void FieldClearVBlankHBlankCallbacks(void)
+{
+    u16 savedIme = REG_IME;
+    REG_IME = 0;
+    REG_IE &= ~INTR_FLAG_HBLANK;
+    REG_IE |= INTR_FLAG_VBLANK;
+    REG_IME = savedIme;
+    SetVBlankCallback(NULL);
+    SetHBlankCallback(NULL);
+}
+
+void SetFieldVBlankCallback(void)
+{
+    SetVBlankCallback(VBlankCB_Field);
+}
+
+void VBlankCB_Field(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    sub_8089668();
+    sub_8057A58();
+    TransferPlttBuffer();
+    sub_8072E74();
+}