SaveRTCPatch:
	seek sRTCStatusFlags
	lockpos
	readbyte #temp
	or #temp, 0x80
	writebyte #temp
	unlockpos
	return

CreateExtraDataSaveArea:
	seek sExtraData
	fillbyte EXTRA_DATA_SIZE, #zero
	seek sBackupExtraData
	fillbyte EXTRA_DATA_SIZE, #zero
	return

FixCaterpieQuestFlags:
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_POKEONLY_FINISHED_CATERPIE_QUEST
	set #2, #result ;minor optimization, since we know #result > 2
	call FlagAction
	retz #result
	set #1, .flags
	set #2, #zero
	call EventFlagCheck
	retz #result
	print .caterpie_error_text
	menu #result, YesNoMenu
	retnz #result
	set #1, .flags
	set #2, #zero
	call EventFlagPatch
	jump FixSavefileChecksum

.caterpie_error_text
	string "It seems like the Caterpie quest in Laurel Forest is done, but the event flags are incorrectly set. Do you want to fix those flags?"
.flags
	dh EVENT_POKEONLY_CATERPIE_IN_PARTY, EVENT_POKEONLY_MOTHERBUTTERFREE_IN_PARTY, -1

FixIronHeadTMFlag:
	set #1, TM_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, 57 ;TM58 - 1
	set #2, #result
	call FlagAction
	retnz #result
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_ROUTE_63_TM
	set #2, #result
	push #1
	call FlagAction
	pop #1
	retz #result
	print .restored_item_text
	set #2, #zero
	call FlagAction
	jump FixSavefileChecksum

.restored_item_text
	string "You seemed to have already picked up the item ball on Route 63, but the item was changed, so the ball was restored for you."

FixSwaggerTMFlags:
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_FIRELIGHT_ITEMROOM_TM
	set #2, #result
	push #1
	call FlagAction
	pop #1
	retz #result
	set #2, #zero
	call FlagAction
	print .restored_item_text
	jump FixSavefileChecksum

.restored_item_text
	string "You seemed to have already picked up the TM in a room in Firelight Caverns, but the TM was changed, so the item ball was restored for you."

CreateRandomData:
	seek sStableRNGData
	writehalfword #zero
	set #temp, 8
.loop
	call Random
	writebyte #result
	decrement #temp
	jumpnz #temp, .loop
	return

SetTimeEnabledBit:
	set #1, STATUS_FLAGS_2_OFFSET
	call GetGameDataPointer
	seek #result
	getfilebyte #temp
	or #temp, 8 ;set bit 3
	writebyte #temp
	jump FixSavefileChecksum

FixAronDrifloonFeebasSwabluExp:
	set #1, .curves
	call FixExperienceCurves
	jump FixSavefileChecksum

.curves
	db ARON, FAST, SLOW
	db LAIRON, FAST, SLOW
	db AGGRON, FAST, SLOW
	db DRIFLOON, MEDIUM_SLOW, FLUCTUATING
	db DRIFBLIM, MEDIUM_SLOW, FLUCTUATING
	db FEEBAS, MEDIUM_FAST, ERRATIC
	db MILOTIC, MEDIUM_FAST, ERRATIC
	db SWABLU, MEDIUM_FAST, ERRATIC
	db ALTARIA, MEDIUM_FAST, ERRATIC
	db 0

SetQRReaderEvent:
	push 1
	set #1, KEY_ITEMS_COUNT_OFFSET
	call GetGameDataPointer
	seek #result
	readbyte #temp
	jump .handle_key_item_loop
.key_item_loop
	readbyte #result
	ifeq #result, QR_READER, .done
	decrement #temp
.handle_key_item_loop
	jumpnz #temp, .key_item_loop
	set #1, PC_ITEMS_COUNT_OFFSET
	call GetGameDataPointer
	seek #result
	readbyte #temp
	jump .handle_pc_item_loop
.pc_item_loop
	readbyte #result
	ifeq #result, QR_READER, .done
	readbyte #result ;skip a byte
	decrement #temp
.handle_pc_item_loop
	jumpnz #temp, .pc_item_loop
	;not found
	stackwrite #zero, #zero
.done
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_HAS_QR_READER
	pop #2
	call FlagAction
	jump FixSavefileChecksum

FixGBPrinterValue:
	seek sGBPrinter
	getfilebyte #temp
	ifeq #temp, 0x7f, .old_value
	and #result, #temp, 7
	ifge #temp, 0x68, .new_value
	jumpz #result, .old_value
.new_value
	writebyte #result
	return
.old_value
	increment #temp
	shiftright #temp, 5
	writebyte #temp
	return

ClearUnusedFlagsBuild0187:
	set #1, .flags
	set #2, #zero
	call EventFlagPatch
	jump FixSavefileChecksum

.flags
	dh 0x5f, 0x12d, 0x33b, -1

ClearOldMilosCutsceneFlags:
	set #1, .flags
	set #2, #zero
	call EventFlagPatch
	jump FixSavefileChecksum

.flags
	dh 0x2f7, 0x2f8, 0x2f9, 0x2fa, 0x2fb, -1

FixPhloxCEOFlags:
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, 149
	push #1
	set #2, #1 ; >2
	call FlagAction
	pop #1
	retz #result
	set #2, #zero
	call FlagAction
	set #1, EVENT_PHLOX_LAB_CEO
	set #2, 1
	call FlagAction
	jump FixSavefileChecksum

ClearUnusedFlagBuild0196:
	set #1, 1735
	jump ClearSingleEventFlag

FixBattleTowerWinStreak:
	seek sBTWinStreak
	getfilebyte #temp
	remainder #result, #temp, 7
	subtract #temp, #result
	writebyte #temp
	return

ClearDusknoirFlagsAndUnused0200Flag:
	set #1, POKEDEX_CAUGHT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	subtract #1, DUSKNOIR, 1
	push #1
	set #2, #zero
	call FlagAction
	subtract #temp, POKEDEX_SEEN_FLAGS_OFFSET, POKEDEX_CAUGHT_FLAGS_OFFSET
	seekfwd #temp
	pop #1
	set #2, #zero
	call FlagAction
	set #1, 676
	jump ClearSingleEventFlag

FixVoidSphereGhostHammerPPs:
	set #1, .move_list
	call UpdatePPCounts
	jump FixSavefileChecksum

.move_list
	db VOID_SPHERE,  20, 15
	db GHOST_HAMMER, 10, 15
	db -1

ExpandItemSpace:
	; expand pc items
	set #1, TOWN_MAP_FLAGS_OFFSET_OLD
	call GetGameDataPointer
	set #3, #result
	set #2, 20
	set #1, 70
	call ShiftSaveDataForward

	; expand key items
	set #1, BALLS_COUNT_OFFSET_OLD
	call GetGameDataPointer
	set #3, #result
	set #2, 27
	set #1, 244
	call ShiftSaveDataForward

	; expand bag items
	set #1, KEY_ITEMS_COUNT_OFFSET_OLD
	call GetGameDataPointer
	set #3, #result
	set #2, 20
	set #1, 296
	call ShiftSaveDataForward
	jump FixSavefileChecksum

FixRoute81ItemFlag:
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_ROUTE_81_MEGAPHONE
	set #2, #result
	push #1
	call FlagAction
	pop #1
	retz #result
	set #2, #zero
	call FlagAction
	print .restored_item_text
	jump FixSavefileChecksum

.restored_item_text
	string "You seemed to have already picked an item on Route 81, but the item was changed, so the item ball was restored for you."

FixRoute82ItemFlag:
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_ROUTE_82_CAVE_ITEM_SCOPE_LENS
	set #2, #result
	push #1
	call FlagAction
	pop #1
	retz #result
	set #2, #zero
	call FlagAction
	print .restored_item_text
	jump FixSavefileChecksum

.restored_item_text
	string "You seemed to have already picked an item on Route 82, but the item was changed, so the item ball was restored for you."

FixRoute84ItemFlag:
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_ROUTE_84_ITEM_NEVERMELTICE
	set #2, #result
	push #1
	call FlagAction
	pop #1
	retz #result
	set #2, #zero
	call FlagAction
	print .restored_item_text
	jump FixSavefileChecksum

.restored_item_text
	string "You seemed to have already picked an item on Route 84, but the item was changed, so the item ball was restored for you."

FixMilosCatacombsFlag:
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_MILOS_B2F_ITEM_DUSK_STONE
	set #2, #result
	push #1
	call FlagAction
	pop #1
	retz #result
	set #2, #zero
	call FlagAction
	print .restored_item_text
	jump FixSavefileChecksum

.restored_item_text
	string "You seemed to have already picked an item in Milos Catacombs, but the item was changed, so the item ball was restored for you."

FixSilkTunnelItemFlag:
	set #1, EVENT_FLAGS_OFFSET
	call GetGameDataPointer
	seek #result
	set #1, EVENT_SILK_TUNNEL_B3F_ITEM_PROTECTOR
	set #2, #result
	push #1
	call FlagAction
	pop #1
	retz #result
	set #2, #zero
	call FlagAction
	print .restored_item_text
	jump FixSavefileChecksum

.restored_item_text
	string "You seemed to have already picked an item in Silk Tunnel, but the item was changed, so the item ball was restored for you."

MoveNotice:
	print .move_notice_text
	return

.move_notice_text
	string "INFO: The Pokémon moveset pool has changed in this update and your Pokémon's moves may not match up. Your movesets have not been changed and this is unlikely to affect your gameplay. However, should you wish to experience the game as intended, you may start a New Game."