gen1recomp/docs/gold-walkthrough/asm-walk/section-20-saffron-city-gym.md

Section 20 - Saffron City Gym

Source: ../section-20-saffron-city-gym.txt (the FAQ numbers this chapter "26 > Saffron City Gym") Maps covered: MAP_ROUTE_6, MAP_ROUTE_6_UNDERGROUND_PATH_ENTRANCE, MAP_ROUTE_6_SAFFRON_GATE, MAP_SAFFRON_CITY, MAP_MR_PSYCHICS_HOUSE, MAP_SILPH_CO_1F, MAP_SAFFRON_MAGNET_TRAIN_STATION, MAP_SAFFRON_MART, MAP_FIGHTING_DOJO, MAP_SAFFRON_GYM, MAP_SAFFRON_POKECENTER_1F Badges / key milestones in this section: MARSHBADGE (ENGINE_MARSHBADGE), TM29 Psychic, Up-Grade, Focus Band, ENGINE_FLYPOINT_SAFFRON unlocked on first entry to Saffron City.

Map group / id pairs a bot needs (from constants/map_constants.asm):

Map constant	group	id
MAP_ROUTE_6	12 (VERMILION)	1
MAP_ROUTE_6_SAFFRON_GATE	12	12
MAP_ROUTE_6_UNDERGROUND_PATH_ENTRANCE	12	13
MAP_SAFFRON_CITY	25 (SAFFRON)	2
MAP_FIGHTING_DOJO	25	3
MAP_SAFFRON_GYM	25	4
MAP_SAFFRON_MART	25	5
MAP_SAFFRON_POKECENTER_1F	25	6
MAP_MR_PSYCHICS_HOUSE	25	8
MAP_SAFFRON_MAGNET_TRAIN_STATION	25	9
MAP_SILPH_CO_1F	25	10

1. Route order

#	Map constant	asm file	Enter via	Leaves via	Why (walkthrough beat)
0	MAP_VERMILION_CITY	maps/VermilionCity.asm (previous section)	-	north map connection	"Heal at the Pokémon Center, then head north onto Route 6" - Vermilion belongs to the previous section
1	MAP_ROUTE_6	maps/Route6.asm	south connection from Vermilion City	warp 2 (6, 1) -> ROUTE_6_SAFFRON_GATE warp 3	"barren wasteland"; the Underground Path door is blocked
1a	MAP_ROUTE_6_UNDERGROUND_PATH_ENTRANCE	maps/Route6UndergroundPathEntrance.asm	warp 1 (17, 3) on Route 6	-	Walkthrough only notes it is blocked; do not enter this section
2	MAP_ROUTE_6_SAFFRON_GATE	maps/Route6SaffronGate.asm	warp 3/4 (4, 7) / (5, 7)	warp 1/2 (4, 0) / (5, 0) -> SAFFRON_CITY warps 12 / 13	"make your way all the way up through the checkpoint house"
3	MAP_SAFFRON_CITY	maps/SaffronCity.asm	warp 12 (16, 33) / warp 13 (17, 33)	see below	Hub for the rest of the section; MAPCALLBACK_NEWMAP sets the fly point
4	MAP_MR_PSYCHICS_HOUSE	maps/MrPsychicsHouse.asm	Saffron warp 5 (27, 29)	warp 1/2 (2, 7) / (3, 7) -> Saffron warp 5	"Mr. Psychic ... gets you TM29 Psychic"
5	MAP_SILPH_CO_1F	maps/SilphCo1F.asm	Saffron warp 7 (18, 21)	warp 1/2 (2, 7) / (3, 7) -> Saffron warp 7	"Talk to the man blocking the pathway ... he'll give you Up-Grade"
6	MAP_SAFFRON_MAGNET_TRAIN_STATION	maps/SaffronMagnetTrainStation.asm	Saffron warp 6 (8, 3)	warp 1/2 (8, 17) / (9, 17) -> Saffron warp 6	"On the northwest side of town is the Magnet Train ... currently closed"
7	MAP_SAFFRON_MART	maps/SaffronMart.asm	Saffron warp 3 (25, 11)	warp 1/2 (2, 7) / (3, 7) -> Saffron warp 3	"There's a PokeMart if you want to buy or sell items"
8	MAP_FIGHTING_DOJO	maps/FightingDojo.asm	Saffron warp 1 (26, 3)	warp 1/2 (4, 11) / (5, 11) -> Saffron warp 1	"The former fighting gym has a Focus Band you can pick up"
9	MAP_SAFFRON_GYM	maps/SaffronGym.asm	Saffron warp 2 (34, 3)	warp 1/2 (8, 17) / (9, 17) -> Saffron warp 2	"head to the gym on the right ... Sabrina" -> MARSHBADGE
9a	MAP_SAFFRON_POKECENTER_1F	maps/SaffronPokecenter1F.asm	Saffron warp 4 (9, 29)	warp 1/2 (3, 7) / (4, 7) -> Saffron warp 4	Optional mid-gym heal trip described in the walkthrough

Spillover: the walkthrough's opening line ("Heal at the Pokémon Center") refers to Vermilion City, and its closing text ends inside the Saffron Gym exit - nothing past Saffron is described. MAP_COPYCATS_HOUSE_1F (Saffron warp 8, (9, 11)) exists on this map but the walkthrough never enters it in this section.

2. Maps

MAP_ROUTE_6

• Script: maps/Route6.asm
• Blocks: maps/Route6.blk (data/maps/blocks.asm:562 Route6_Blocks)
• Header: data/maps/maps.asm:294 -> TILESET_KANTO, ROUTE, LANDMARK_ROUTE_6, MUSIC_ROUTE_3, phone FALSE, PALETTE_AUTO, FISHGROUP_POND
• Dimensions: constants/map_constants.asm:271 map_const ROUTE_6, 10, 9 (10x9 blocks = 20x18 cells)
• Connections: data/maps/attributes.asm:346-348 - north SaffronCity (offset -5), south VermilionCity (offset -5). No east/west.

Warps (def_warp_events)

idx	x	y	destination map	dest warp
1	17	3	ROUTE_6_UNDERGROUND_PATH_ENTRANCE	1
2	6	1	ROUTE_6_SAFFRON_GATE	3

Coord events (def_coord_events) - none.

BG events (def_bg_events)

x	y	type	script/item
19	5	BGEVENT_READ	Route6UndergroundPathSign (Route6UndergroundPathSignText)

Object events (def_object_events)

const	sprite	x	y	movement	type	script label	event flag
ROUTE6_POKEFAN_M	SPRITE_POKEFAN_M	17	4	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT (sight field 2, unused)	Route6PokefanMScript (4f:581a)	EVENT_ROUTE_5_6_POKEFAN_M_BLOCKS_UNDERGROUND_PATH

Scripts of interest

• Route6PokefanMScript (maps/Route6.asm:9, sym 4f:581a): a bare jumptextfaceplayer Route6PokefanMText - "The road is closed until the problem at the POWER PLANT is solved." No flag reads. He stands at (17, 4), directly south of the Underground Path door at (17, 3), so his body is the block, not a script check.

Flags and events

constant	defined in	read/written by	meaning for a bot
EVENT_ROUTE_5_6_POKEFAN_M_BLOCKS_UNDERGROUND_PATH	constants/event_flags.asm:1299	set by maps/PowerPlant.asm:164; consumed as the object's event flag on maps/Route6.asm:43 and maps/Route5.asm:56	Flag set hides the object (CheckObjectFlag, engine/overworld/map_objects_2.asm:32). Clear (default) = the man is standing there = Underground Path shut

Items - none on this map.

Trainers - none on this map.

Wild encounters

data/wild/kanto_grass.asm:480 def_grass_wildmons ROUTE_6, encounter rates 10/10/10 percent (morn/day/nite). Gold block (IF DEF(_GOLD), lines 483-506):

slot	morn	day	nite
1	L13 PIDGEY	L13 PIDGEY	L13 ODDISH
2	L13 BELLSPROUT	L13 BELLSPROUT	L14 ODDISH
3	L14 PIDGEY	L14 PIDGEY	L13 BELLSPROUT
4	L15 MAGNEMITE	L15 MAGNEMITE	L15 MAGNEMITE
5	L12 ABRA	L12 ABRA	L12 ABRA
6	L14 ABRA	L14 ABRA	L14 ABRA
7	L14 ABRA	L14 ABRA	L14 ABRA

Silver (ELIF DEF(_SILVER), lines 508-531) swaps the third slot for MEOWTH (L14) morn/day and slots 2/3 for MEOWTH/BELLSPROUT at nite.

Water: data/wild/kanto_water.asm:12 def_water_wildmons ROUTE_6, 2 percent - L10 PSYDUCK, L5 PSYDUCK, L10 GOLDUCK.

Fishing group is FISHGROUP_POND (data/maps/maps.asm:294).

MAP_ROUTE_6_UNDERGROUND_PATH_ENTRANCE

• Script: maps/Route6UndergroundPathEntrance.asm
• Blocks: shared maps/UndergroundPathEntrance.blk (data/maps/blocks.asm:466)
• Header: data/maps/maps.asm:306 -> TILESET_GATE, GATE, LANDMARK_ROUTE_6, MUSIC_ROUTE_3, phone FALSE, PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:283 map_const ROUTE_6_UNDERGROUND_PATH_ENTRANCE, 4, 4
• Connections: none (indoor)

Warps

idx	x	y	destination map	dest warp
1	3	7	ROUTE_6	1
2	4	7	ROUTE_6	1
3	4	3	UNDERGROUND_PATH	2

No coord events, no bg events, no object events. Nothing gates warp 3 from the inside - the only block is the NPC body on Route 6.

MAP_ROUTE_6_SAFFRON_GATE

• Script: maps/Route6SaffronGate.asm
• Blocks: shared maps/NorthSouthGate.blk (data/maps/blocks.asm:210,215)
• Header: data/maps/maps.asm:305 -> TILESET_GATE, GATE, LANDMARK_ROUTE_6, MUSIC_ROUTE_3, phone FALSE, PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:282 map_const ROUTE_6_SAFFRON_GATE, 5, 4
• Scene scripts: one entry, scene_script Route6SaffronGateNoopScene with no scene-id argument (maps/Route6SaffronGate.asm:6), so no SCENE_* constant is generated and the scene is a bare end.

Warps

idx	x	y	destination map	dest warp
1	4	0	SAFFRON_CITY	12
2	5	0	SAFFRON_CITY	13
3	4	7	ROUTE_6	2
4	5	7	ROUTE_6	2

Coord events - none. BG events - none.

Object events

const	sprite	x	y	movement	type	script label	event flag
ROUTE6SAFFRONGATE_OFFICER	SPRITE_OFFICER	0	4	SPRITEMOVEDATA_STANDING_RIGHT	OBJECTTYPE_SCRIPT	Route6SaffronGuardScript (59:523c)	-1 (always)

Scripts of interest

• Route6SaffronGuardScript (maps/Route6SaffronGate.asm:13, sym 59:523c): faceplayer / opentext / checkevent EVENT_RETURNED_MACHINE_PART / iftrue .ReturnedPart. Before the Power Plant is fixed he explains the Magnet Train is dead; after, a one-liner. He stands at (0, 4), off the walking lane - he never blocks passage.

MAP_SAFFRON_CITY

• Script: maps/SaffronCity.asm
• Blocks: maps/SaffronCity.blk (data/maps/blocks.asm:24)
• Header: data/maps/maps.asm:490 -> TILESET_KANTO, TOWN, LANDMARK_SAFFRON_CITY, MUSIC_VIRIDIAN_CITY, phone FALSE, PALETTE_AUTO, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:454 map_const SAFFRON_CITY, 20, 18 (40x36 cells)
• Connections: data/maps/attributes.asm:350-354 - north Route5 (+5), south Route6 (+5), west Route7 (+9), east Route8 (+9)
• Spawn / fly: data/maps/spawn_points.asm:21 spawn SAFFRON_CITY, 9, 30; data/maps/flypoints.asm:26 db LANDMARK_SAFFRON_CITY, SPAWN_SAFFRON

Warps (def_warp_events)

idx	x	y	destination map	dest warp
1	26	3	FIGHTING_DOJO	1
2	34	3	SAFFRON_GYM	1
3	25	11	SAFFRON_MART	2
4	9	29	SAFFRON_POKECENTER_1F	1
5	27	29	MR_PSYCHICS_HOUSE	1
6	8	3	SAFFRON_MAGNET_TRAIN_STATION	2
7	18	21	SILPH_CO_1F	1
8	9	11	COPYCATS_HOUSE_1F	1
9	18	3	ROUTE_5_SAFFRON_GATE	3
10	0	24	ROUTE_7_SAFFRON_GATE	3
11	0	25	ROUTE_7_SAFFRON_GATE	4
12	16	33	ROUTE_6_SAFFRON_GATE	1
13	17	33	ROUTE_6_SAFFRON_GATE	2
14	39	22	ROUTE_8_SAFFRON_GATE	1
15	39	23	ROUTE_8_SAFFRON_GATE	2

Coord events - none.

BG events

x	y	type	script/item
21	5	BGEVENT_READ	SaffronCitySign
33	5	BGEVENT_READ	SaffronGymSign
25	5	BGEVENT_READ	FightingDojoSign
15	21	BGEVENT_READ	SilphCoSign
25	29	BGEVENT_READ	MrPsychicsHouseSign
11	5	BGEVENT_READ	SaffronCityMagnetTrainStationSign
10	29	BGEVENT_READ	SaffronCityPokecenterSign (jumpstd PokecenterSignScript)
26	11	BGEVENT_READ	SaffronCityMartSign (jumpstd MartSignScript)

No hidden items on this map.

Object events

const	sprite	x	y	movement	type	script label	event flag
SAFFRONCITY_LASS1	SPRITE_LASS	7	14	SPRITEMOVEDATA_WALK_LEFT_RIGHT (rx 2)	OBJECTTYPE_SCRIPT	SaffronCityLass1Script	-1
SAFFRONCITY_POKEFAN_M	SPRITE_POKEFAN_M	19	30	SPRITEMOVEDATA_WALK_LEFT_RIGHT (rx 2)	OBJECTTYPE_SCRIPT	SaffronCityPokefanMScript	-1
SAFFRONCITY_COOLTRAINER_M	SPRITE_COOLTRAINER_M	32	7	SPRITEMOVEDATA_WALK_LEFT_RIGHT (rx 1)	OBJECTTYPE_SCRIPT	SaffronCityCooltrainerMScript	-1
SAFFRONCITY_COOLTRAINER_F	SPRITE_COOLTRAINER_F	20	24	SPRITEMOVEDATA_WALK_LEFT_RIGHT (rx 2)	OBJECTTYPE_SCRIPT	SaffronCityCooltrainerFScript	-1
SAFFRONCITY_FISHER	SPRITE_FISHER	27	12	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT	SaffronCityFisherScript	-1
SAFFRONCITY_YOUNGSTER1	SPRITE_YOUNGSTER	15	19	SPRITEMOVEDATA_WALK_UP_DOWN (ry 1)	OBJECTTYPE_SCRIPT	SaffronCityYoungster1Script	-1
SAFFRONCITY_YOUNGSTER2	SPRITE_YOUNGSTER	35	22	SPRITEMOVEDATA_WANDER (rx 1, ry 1)	OBJECTTYPE_SCRIPT	SaffronCityYoungster2Script	-1
SAFFRONCITY_LASS2	SPRITE_LASS	19	8	SPRITEMOVEDATA_SPINRANDOM_SLOW	OBJECTTYPE_SCRIPT	SaffronCityLass2Script	-1

Every Saffron City NPC is OBJECTTYPE_SCRIPT; none of them blocks a warp tile.

Scripts of interest

• SaffronCityFlypointCallback (maps/SaffronCity.asm:17), registered as callback MAPCALLBACK_NEWMAP: setflag ENGINE_FLYPOINT_SAFFRON / endcallback. Walking in from the Route 6 gate is what unlocks Fly to Saffron - there is no NPC or item involved.
• SaffronCityLass1Script, SaffronCityPokefanMScript, SaffronCityFisherScript all branch on checkevent EVENT_RETURNED_MACHINE_PART. Purely dialogue; useful only as a state probe.

Flags and events

constant	defined in	read/written by	meaning for a bot
ENGINE_FLYPOINT_SAFFRON	constants/engine_flags.asm:74	set by SaffronCityFlypointCallback	Fly destination unlocked; also the SPAWN_SAFFRON blackout target once the player has been here
EVENT_RETURNED_MACHINE_PART	constants/event_flags.asm:200	set in maps/PowerPlant.asm:161; read by four Saffron scripts and Route6SaffronGuardScript	Not set in this section. Its absence is what keeps the Magnet Train shut

Items - none directly on the city map.

Trainers - none.

Wild encounters - none. SAFFRON_CITY has no entry in data/wild/kanto_grass.asm, kanto_water.asm, fish.asm or treemons.asm (grep over data/wild/ for SAFFRON returns nothing).

MAP_MR_PSYCHICS_HOUSE

• Script: maps/MrPsychicsHouse.asm
• Blocks: shared maps/House1.blk (data/maps/blocks.asm:195,201)
• Header: data/maps/maps.asm:496 -> TILESET_HOUSE, INDOOR, LANDMARK_SAFFRON_CITY, MUSIC_VIRIDIAN_CITY, phone FALSE, PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:460 map_const MR_PSYCHICS_HOUSE, 4, 4

Warps

idx	x	y	destination map	dest warp
1	2	7	SAFFRON_CITY	5
2	3	7	SAFFRON_CITY	5

Coord events - none.

BG events

x	y	type	script/item
0	1	BGEVENT_READ	MrPsychicsHouseBookshelf (jumpstd DifficultBookshelfScript)
1	1	BGEVENT_READ	MrPsychicsHouseBookshelf

Object events

const	sprite	x	y	movement	type	script label	event flag
MRPSYCHICSHOUSE_FISHING_GURU	SPRITE_FISHING_GURU	5	3	SPRITEMOVEDATA_STANDING_LEFT	OBJECTTYPE_SCRIPT	MrPsychic (61:4b15)	-1

Scripts of interest

• MrPsychic (maps/MrPsychicsHouse.asm:9, sym 61:4b15): faceplayer / opentext / checkevent EVENT_GOT_TM29_PSYCHIC / iftrue .AlreadyGotItem / writetext MrPsychicText1 / promptbutton / verbosegiveitem TM_PSYCHIC_M / iffalse .Done / setevent EVENT_GOT_TM29_PSYCHIC / .AlreadyGotItem: writetext MrPsychicText2 / waitbutton / .Done: closetext / end. One verbosegiveitem; a full bag drops through .Done without setting the flag, so a bot must re-talk after making room.

Flags and events

constant	defined in	read/written by	meaning for a bot
EVENT_GOT_TM29_PSYCHIC	constants/event_flags.asm:226	read+set by MrPsychic	One-shot guard on TM29

Items

item	how obtained	source (label / bg_event / hidden)	one-time flag
TM_PSYCHIC_M (TM29, constants/item_constants.asm:250 add_tm PSYCHIC_M ; dd)	talk to MRPSYCHICSHOUSE_FISHING_GURU at (5, 3)	MrPsychic, verbosegiveitem	EVENT_GOT_TM29_PSYCHIC

MAP_SILPH_CO_1F

• Script: maps/SilphCo1F.asm
• Blocks: maps/SilphCo1F.blk (data/maps/blocks.asm:874)
• Header: data/maps/maps.asm:498 -> TILESET_FACILITY, INDOOR, LANDMARK_SAFFRON_CITY, MUSIC_VIRIDIAN_CITY, phone FALSE, PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:462 map_const SILPH_CO_1F, 8, 4

Warps

idx	x	y	destination map	dest warp
1	2	7	SAFFRON_CITY	7
2	3	7	SAFFRON_CITY	7

Coord events - none. BG events - none.

Object events

const	sprite	x	y	movement	type	script label	event flag
SILPHCO1F_RECEPTIONIST	SPRITE_RECEPTIONIST	4	2	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT	SilphCoReceptionistScript	-1
SILPHCO1F_OFFICER	SPRITE_OFFICER	13	1	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT	SilphCoOfficerScript (61:4f81)	-1

Scripts of interest

• SilphCoOfficerScript (maps/SilphCo1F.asm:13, sym 61:4f81): faceplayer / opentext / checkevent EVENT_GOT_UP_GRADE / iftrue .GotUpGrade / writetext SilphCoOfficerText / promptbutton / verbosegiveitem UP_GRADE / iffalse .NoRoom / setevent EVENT_GOT_UP_GRADE / .GotUpGrade: writetext ... / waitbutton / .NoRoom: closetext / end. Same full-bag shape as Mr. Psychic. There is no upstairs on this map at all - the "man blocking the stairway" is (13, 1), standing on the only path north; nothing scripted opens it.

Flags and events

constant	defined in	read/written by	meaning for a bot
EVENT_GOT_UP_GRADE	constants/event_flags.asm:221	read+set by SilphCoOfficerScript	One-shot guard on Up-Grade

Items

item	how obtained	source (label / bg_event / hidden)	one-time flag
UP_GRADE (constants/item_constants.asm:180, $ac)	talk to SILPHCO1F_OFFICER at (13, 1)	SilphCoOfficerScript, verbosegiveitem	EVENT_GOT_UP_GRADE

MAP_SAFFRON_MAGNET_TRAIN_STATION

• Script: maps/SaffronMagnetTrainStation.asm
• Blocks: maps/SaffronMagnetTrainStation.blk
• Header: data/maps/maps.asm:497 -> TILESET_TRAIN_STATION, INDOOR, LANDMARK_SAFFRON_CITY, MUSIC_VIRIDIAN_CITY, phone FALSE, PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:461 map_const SAFFRON_MAGNET_TRAIN_STATION, 10, 9
• Scene variable: data/maps/scenes.asm:17 scene_var SAFFRON_MAGNET_TRAIN_STATION, wSaffronMagnetTrainStationSceneID

Warps

idx	x	y	destination map	dest warp
1	8	17	SAFFRON_CITY	6
2	9	17	SAFFRON_CITY	6
3	6	5	GOLDENROD_MAGNET_TRAIN_STATION	4
4	11	5	GOLDENROD_MAGNET_TRAIN_STATION	3

Coord events

scene	x	y	script label	effect
SCENE_SAFFRONMAGNETTRAINSTATION_ARRIVE_FROM_GOLDENROD (= 0, generated by the scene_script macro at maps/SaffronMagnetTrainStation.asm:9)	11	6	Script_ArriveFromGoldenrod	Arrival cutscene when riding in from Goldenrod; not reachable in this section

BG events - none.

Object events

const	sprite	x	y	movement	type	script label	event flag
SAFFRONMAGNETTRAINSTATION_OFFICER	SPRITE_OFFICER	9	9	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT	SaffronMagnetTrainStationOfficerScript (61:4bc2)	-1
SAFFRONMAGNETTRAINSTATION_GYM_GUIDE	SPRITE_GYM_GUIDE	10	14	SPRITEMOVEDATA_WANDER (1,1)	OBJECTTYPE_SCRIPT	SaffronMagnetTrainStationGymGuideScript	-1
SAFFRONMAGNETTRAINSTATION_TEACHER	SPRITE_TEACHER	6	11	SPRITEMOVEDATA_STANDING_RIGHT	OBJECTTYPE_SCRIPT	SaffronMagnetTrainStationTeacherScript	EVENT_SAFFRON_TRAIN_STATION_POPULATION
SAFFRONMAGNETTRAINSTATION_LASS	SPRITE_LASS	6	10	SPRITEMOVEDATA_STANDING_UP	OBJECTTYPE_SCRIPT	SaffronMagnetTrainStationLassScript	EVENT_SAFFRON_TRAIN_STATION_POPULATION

Scripts of interest

• SaffronMagnetTrainStationOfficerScript (maps/SaffronMagnetTrainStation.asm:16, sym 61:4bc2): checkevent EVENT_RESTORED_POWER_TO_KANTO / iftrue .MagnetTrainToGoldenrod, else "the MAGNET TRAIN isn't operating now" and end. The ride arm additionally runs yesorno, checkitem PASS, two applymovements, setval TRUE / special MagnetTrain / warpcheck / newloadmap MAPSETUP_TRAIN. In this section both EVENT_RESTORED_POWER_TO_KANTO and PASS are missing, so the officer is a dead end.

Flags and events

constant	defined in	read/written by	meaning for a bot
EVENT_RESTORED_POWER_TO_KANTO	constants/event_flags.asm:204	set at maps/PowerPlant.asm:165; read by the officer script	Gate on the Magnet Train being operable at all
EVENT_SAFFRON_TRAIN_STATION_POPULATION	constants/event_flags.asm:1300	cleared at maps/PowerPlant.asm:160	While set (the state in this section) the Teacher and Lass are hidden - the station looks empty on purpose

MAP_SAFFRON_MART

• Script: maps/SaffronMart.asm
• Blocks: shared maps/Mart.blk (data/maps/blocks.asm:333,335)
• Header: data/maps/maps.asm:493 -> TILESET_MART, INDOOR, LANDMARK_SAFFRON_CITY, MUSIC_VIRIDIAN_CITY, phone FALSE, PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:457 map_const SAFFRON_MART, 6, 4

Warps

idx	x	y	destination map	dest warp
1	2	7	SAFFRON_CITY	3
2	3	7	SAFFRON_CITY	3

Coord events - none. BG events - none.

Object events

const	sprite	x	y	movement	type	script label	event flag
SAFFRONMART_CLERK	SPRITE_CLERK	1	3	SPRITEMOVEDATA_STANDING_RIGHT	OBJECTTYPE_SCRIPT	SaffronMartClerkScript	-1
SAFFRONMART_COOLTRAINER_M	SPRITE_COOLTRAINER_M	7	2	SPRITEMOVEDATA_SPINRANDOM_SLOW	OBJECTTYPE_SCRIPT	SaffronMartCooltrainerMScript	-1
SAFFRONMART_COOLTRAINER_F	SPRITE_COOLTRAINER_F	7	6	SPRITEMOVEDATA_WALK_LEFT_RIGHT (rx 1)	OBJECTTYPE_SCRIPT	SaffronMartCooltrainerFScript	-1

Scripts of interest

• SaffronMartClerkScript: opentext / pokemart MARTTYPE_STANDARD, MART_SAFFRON / closetext / end.

Items - shop stock, data/items/marts.asm:362 MartSaffron: GREAT_BALL, ULTRA_BALL, HYPER_POTION, MAX_POTION, FULL_HEAL, X_ATTACK, X_DEFEND, FLOWER_MAIL.

MAP_FIGHTING_DOJO

• Script: maps/FightingDojo.asm
• Blocks: maps/FightingDojo.blk (data/maps/blocks.asm:871)
• Header: data/maps/maps.asm:491 -> TILESET_TRAIN_STATION, INDOOR, LANDMARK_SAFFRON_CITY, MUSIC_VIRIDIAN_CITY, phone FALSE, PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:455 map_const FIGHTING_DOJO, 5, 6

Warps

idx	x	y	destination map	dest warp
1	4	11	SAFFRON_CITY	1
2	5	11	SAFFRON_CITY	1

Coord events - none.

BG events

x	y	type	script/item
4	0	BGEVENT_READ	FightingDojoSign1
5	0	BGEVENT_READ	FightingDojoSign2

Object events

const	sprite	x	y	movement	type	script label	event flag
FIGHTINGDOJO_BLACK_BELT	SPRITE_BLACK_BELT	4	4	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT	FightingDojoBlackBelt	-1
FIGHTINGDOJO_POKE_BALL	SPRITE_POKE_BALL	3	1	SPRITEMOVEDATA_STILL	OBJECTTYPE_ITEMBALL	FightingDojoFocusBand (61:400b)	EVENT_PICKED_UP_FOCUS_BAND

Scripts of interest

• FightingDojoFocusBand (maps/FightingDojo.asm:19, sym 61:400b): the two-byte itemball FOCUS_BAND struct (macro at macros/scripts/maps.asm:154, quantity defaults to 1), not a script. The engine's own item-ball path runs it.
• There are no trainers in the Fighting Dojo in Gen 2. FightingDojoBlackBeltText explains the Karate King is away in a Johto cave (Rock Tunnel-era content elsewhere), so nothing here fights back.

Items

item	how obtained	source (label / bg_event / hidden)	one-time flag
FOCUS_BAND (constants/item_constants.asm:127, $77)	walk onto / press A at (3, 1)	FightingDojoFocusBand (OBJECTTYPE_ITEMBALL)	EVENT_PICKED_UP_FOCUS_BAND (constants/event_flags.asm:1312) - once set the ball object is masked

MAP_SAFFRON_GYM

• Script: maps/SaffronGym.asm
• Blocks: maps/SaffronGym.blk (data/maps/blocks.asm:861)
• Header: data/maps/maps.asm:492 -> TILESET_UNDERGROUND, INDOOR, LANDMARK_SAFFRON_CITY, MUSIC_GYM, phone TRUE (phone calls suppressed), PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:456 map_const SAFFRON_GYM, 10, 9 (20x18 cells)
• Connections: none

Warps (def_warp_events, maps/SaffronGym.asm:294-326) - warps 1-2 are the street doors; warps 3-32 are the 30 teleport pads. Every pad's destination is SAFFRON_GYM and the player lands on the destination warp's own tile.

idx	x	y	destination map	dest warp
1	8	17	SAFFRON_CITY	2
2	9	17	SAFFRON_CITY	2
3	11	15	SAFFRON_GYM	18
4	19	15	SAFFRON_GYM	19
5	19	11	SAFFRON_GYM	20
6	1	11	SAFFRON_GYM	21
7	5	3	SAFFRON_GYM	22
8	11	5	SAFFRON_GYM	23
9	1	15	SAFFRON_GYM	24
10	19	3	SAFFRON_GYM	25
11	15	17	SAFFRON_GYM	26
12	5	17	SAFFRON_GYM	27
13	5	9	SAFFRON_GYM	28
14	9	3	SAFFRON_GYM	29
15	15	9	SAFFRON_GYM	30
16	15	5	SAFFRON_GYM	31
17	1	5	SAFFRON_GYM	32
18	19	17	SAFFRON_GYM	3
19	19	9	SAFFRON_GYM	4
20	1	9	SAFFRON_GYM	5
21	5	5	SAFFRON_GYM	6
22	11	3	SAFFRON_GYM	7
23	1	17	SAFFRON_GYM	8
24	19	5	SAFFRON_GYM	9
25	15	15	SAFFRON_GYM	10
26	5	15	SAFFRON_GYM	11
27	5	11	SAFFRON_GYM	12
28	9	5	SAFFRON_GYM	13
29	15	11	SAFFRON_GYM	14
30	15	3	SAFFRON_GYM	15
31	1	3	SAFFRON_GYM	16
32	11	9	SAFFRON_GYM	17

Teleporter graph, resolved to landing coordinates. Every pair is mutual, so the graph is 15 undirected edges. Room labels are derived from the pad clusters and the object coordinates; they are a reading aid, the coordinates are the ground truth.

room (occupant)	pads (x, y)
ENTRANCE (doors (8,17)/(9,17), guide (9,14), statue (8,15))	(11,15)
BL (Psychic Franklin (3,16))	(1,15) (5,15) (1,17) (5,17)
BR (Medium Rebecca (17,16))	(15,15) (19,15) (15,17) (19,17)
ML	(1,9) (5,9) (1,11) (5,11)
CENTER (Sabrina (9,8))	(11,9)
MR	(15,9) (19,9) (15,11) (19,11)
TL (Medium Doris (3,4))	(1,3) (5,3) (1,5) (5,5)
TC	(9,3) (11,3) (9,5) (11,5)
TR (Psychic Jared (17,4))	(15,3) (19,3) (15,5) (19,5)

step on pad	warp idx	lands at	room reached
(11,15) ENTRANCE	3	(19,17)	BR
(19,17) BR	18	(11,15)	ENTRANCE
(19,15) BR	4	(19,9)	MR
(19,9) MR	19	(19,15)	BR
(15,17) BR	11	(5,15)	BL
(5,15) BL	26	(15,17)	BR
(15,15) BR	25	(19,3)	TR
(19,3) TR	10	(15,15)	BR
(1,15) BL	9	(19,5)	TR
(19,5) TR	24	(1,15)	BL
(1,17) BL	23	(11,5)	TC
(11,5) TC	8	(1,17)	BL
(5,17) BL	12	(5,11)	ML
(5,11) ML	27	(5,17)	BL
(1,9) ML	20	(19,11)	MR
(19,11) MR	5	(1,9)	ML
(5,9) ML	13	(9,5)	TC
(9,5) TC	28	(5,9)	ML
(1,11) ML	6	(5,5)	TL
(5,5) TL	21	(1,11)	ML
(15,9) MR	15	(15,3)	TR
(15,3) TR	30	(15,9)	MR
(15,11) MR	29	(9,3)	TC
(9,3) TC	14	(15,11)	MR
(5,3) TL	7	(11,3)	TC
(11,3) TC	22	(5,3)	TL
(1,3) TL	31	(15,5)	TR
(15,5) TR	16	(1,3)	TL
(1,5) TL	17	(11,9)	CENTER (Sabrina)
(11,9) CENTER	32	(1,5)	TL

(1,5) in the top-left room is the only pad that reaches Sabrina, and (11,9) is the only way out of her chamber. This matches the walkthrough's "go to the bottom left teleporter and you'll go straight to the gym leader".

Coord events - none. The gym has no trip-wires; every transition is a warp tile.

BG events

x	y	type	script/item
8	15	BGEVENT_READ	SaffronGymStatue (61:4170)

Object events

const	sprite	x	y	movement	type	sight	script label	event flag
SAFFRONGYM_SABRINA	SPRITE_SABRINA	9	8	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT	0	SaffronGymSabrinaScript (61:40cf)	-1
SAFFRONGYM_GRANNY1	SPRITE_GRANNY	17	16	SPRITEMOVEDATA_SPINRANDOM_FAST	OBJECTTYPE_TRAINER	3	TrainerMediumRebecca (61:410c)	-1
SAFFRONGYM_YOUNGSTER1	SPRITE_YOUNGSTER	3	16	SPRITEMOVEDATA_SPINRANDOM_FAST	OBJECTTYPE_TRAINER	3	TrainerPsychicFranklin (61:4120)	-1
SAFFRONGYM_GRANNY2	SPRITE_GRANNY	3	4	SPRITEMOVEDATA_SPINRANDOM_FAST	OBJECTTYPE_TRAINER	2	TrainerMediumDoris (61:4134)	-1
SAFFRONGYM_YOUNGSTER2	SPRITE_YOUNGSTER	17	4	SPRITEMOVEDATA_SPINRANDOM_FAST	OBJECTTYPE_TRAINER	2	TrainerPsychicJared (61:4148)	-1
SAFFRONGYM_GYM_GUIDE	SPRITE_GYM_GUIDE	9	14	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT	0	SaffronGymGuideScript	-1

All four trainers spin (SPINRANDOM_FAST), so their line of sight rotates - a bot cannot assume a fixed approach lane; walking into the room will trigger them.

Scripts of interest

• SaffronGymSabrinaScript (maps/SaffronGym.asm:14, sym 61:40cf): faceplayer / opentext / checkflag ENGINE_MARSHBADGE / iftrue .FightDone / writetext SabrinaIntroText / waitbutton / closetext / winlosstext SabrinaWinLossText, 0 / loadtrainer SABRINA, SABRINA1 / startbattle / reloadmapafterbattle / then a burst of five setevents: EVENT_BEAT_SABRINA, EVENT_BEAT_MEDIUM_REBECCA, EVENT_BEAT_MEDIUM_DORIS, EVENT_BEAT_PSYCHIC_FRANKLIN, EVENT_BEAT_PSYCHIC_JARED / opentext / writetext ReceivedMarshBadgeText / playsound SFX_GET_BADGE / waitsfx / setflag ENGINE_MARSHBADGE / writetext SabrinaMarshBadgeText / waitbutton / closetext / end. Two consequences a bot should exploit: the four gym trainers are auto-cleared when Sabrina falls, so they are entirely skippable; and the badge is a setflag on ENGINE_MARSHBADGE, which is also the re-entry guard (.FightDone).
• TrainerMediumRebecca / TrainerPsychicFranklin / TrainerMediumDoris / TrainerPsychicJared (maps/SaffronGym.asm:47,58,69,80): each is a trainer CLASS, ID, EVENT_BEAT_*, SeenText, BeatenText, 0, .Script struct (macros/scripts/maps.asm:142; field order is group, id, flag, seen, win, loss, after) followed by an endifjustbattled / opentext / writetext ...AfterBattleText / waitbutton / closetext / end after-battle script.
• SaffronGymStatue (maps/SaffronGym.asm:107, sym 61:4170): checkflag ENGINE_MARSHBADGE / iftrue .Beaten / jumpstd GymStatue1Script; the beaten arm does gettrainername STRING_BUFFER_4, SABRINA, SABRINA1 then jumpstd GymStatue2Script. Handy as a cheap post-badge assertion.
• SaffronGymGuideScript (maps/SaffronGym.asm:91): branches on checkevent EVENT_BEAT_SABRINA; no items, no flags written.

Flags and events

constant	defined in	read/written by	meaning for a bot
ENGINE_MARSHBADGE	constants/engine_flags.asm:52 (bit 5 of wKantoBadges; Kanto order is Boulder, Cascade, Thunder, Rainbow, Soul, Marsh, Volcano, Earth)	checkflag in SaffronGymSabrinaScript and SaffronGymStatue; setflag after the win	The section's terminal postcondition
EVENT_BEAT_SABRINA	constants/event_flags.asm:720	set by SaffronGymSabrinaScript; read by SaffronGymGuideScript	Leader defeated
EVENT_BEAT_MEDIUM_REBECCA	constants/event_flags.asm:935	trainer struct flag; also force-set by the Sabrina script	Rebecca cleared
EVENT_BEAT_MEDIUM_DORIS	constants/event_flags.asm:936	as above	Doris cleared
EVENT_BEAT_PSYCHIC_FRANKLIN	constants/event_flags.asm:564	as above	Franklin cleared
EVENT_BEAT_PSYCHIC_JARED	constants/event_flags.asm:573	as above	Jared cleared

Items - none in the gym.

Trainers

const	class	id	party (data/trainers/parties.asm label)	script label	rematch/phone
SABRINA / SABRINA1	SABRINA (constants/trainer_constants.asm:309, class 23)	1	SabrinaGroup ; SABRINA (1) (data/trainers/parties.asm:1400-1406), TRAINERTYPE_MOVES: L46 ESPEON (Sand-Attack, Quick Attack, Swift, Psychic), L46 MR__MIME (Barrier, Reflect, Baton Pass, Psychic), L48 ALAKAZAM (Recover, Future Sight, Psychic, Reflect)	SaffronGymSabrinaScript	none; leader (data/trainers/leaders.asm:29)
MEDIUM / REBECCA	MEDIUM	6 (constants/trainer_constants.asm:590)	MediumGroup ; MEDIUM (6): L35 DROWZEE, L35 HYPNO	TrainerMediumRebecca	none
PSYCHIC_T / FRANKLIN	PSYCHIC_T (class 34)	2 (constants/trainer_constants.asm:513)	PsychicGroup ; PSYCHIC_T (2) (data/trainers/parties.asm:2516): L37 KADABRA	TrainerPsychicFranklin	none
MEDIUM / DORIS	MEDIUM	7 (constants/trainer_constants.asm:591)	MediumGroup ; MEDIUM (7): L34 SLOWPOKE, L36 SLOWBRO	TrainerMediumDoris	none
PSYCHIC_T / JARED	PSYCHIC_T	11 (constants/trainer_constants.asm:522)	PsychicGroup ; PSYCHIC_T (11) (data/trainers/parties.asm:2569): L32 MR__MIME, L32 EXEGGCUTE, L35 EXEGGCUTE	TrainerPsychicJared	none

Prize money: ComputeTrainerReward (engine/battle/read_trainer_party.asm:300) is base reward x last mon's level, and engine/battle/core.asm:2344-2358 pays that quarter out four times, so the visible payout is 4 x base x level. Base rewards: Sabrina 25 (data/trainers/attributes.asm:211), Medium 10 (:343), Psychic T 8 (:313). That reproduces the walkthrough's 4800G / 1400G / 1440G / 1184G / 1120G exactly. Sabrina also carries a HYPER_POTION as an AI item (data/trainers/attributes.asm:210).

Wild encounters - none (indoor gym).

MAP_SAFFRON_POKECENTER_1F

• Script: maps/SaffronPokecenter1F.asm
• Blocks: shared maps/Pokecenter1F.blk (data/maps/blocks.asm:362,364)
• Header: data/maps/maps.asm:494 -> TILESET_POKECENTER, INDOOR, LANDMARK_SAFFRON_CITY, MUSIC_POKEMON_CENTER, phone FALSE, PALETTE_DAY, FISHGROUP_SHORE
• Dimensions: constants/map_constants.asm:458 map_const SAFFRON_POKECENTER_1F, 5, 4

Warps

idx	x	y	destination map	dest warp
1	3	7	SAFFRON_CITY	4
2	4	7	SAFFRON_CITY	4
3	0	7	POKECENTER_2F	1

Object events (nurse only listed; the rest are flavour)

const	sprite	x	y	movement	type	script label	event flag
SAFFRONPOKECENTER1F_NURSE	SPRITE_NURSE	3	1	SPRITEMOVEDATA_STANDING_DOWN	OBJECTTYPE_SCRIPT	SaffronPokecenter1FNurseScript (jumpstd PokecenterNurseScript)	-1
SAFFRONPOKECENTER1F_TEACHER	SPRITE_TEACHER	7	2	SPRITEMOVEDATA_WANDER (1,1)	OBJECTTYPE_SCRIPT	SaffronPokecenter1FTeacherScript	-1
SAFFRONPOKECENTER1F_FISHER	SPRITE_FISHER	8	6	SPRITEMOVEDATA_STANDING_LEFT	OBJECTTYPE_SCRIPT	SaffronPokecenter1FFisherScript	-1
SAFFRONPOKECENTER1F_YOUNGSTER	SPRITE_YOUNGSTER	1	4	SPRITEMOVEDATA_SPINRANDOM_SLOW	OBJECTTYPE_SCRIPT	SaffronPokecenter1FYoungsterScript	-1

3. Blockers and gates

Gate	Enforced by (file:label)	Requirement	Unlock condition
Underground Path (Route 6 warp 1 at (17, 3))	maps/Route6.asm:43 - ROUTE6_POKEFAN_M object standing at (17, 4) with event flag EVENT_ROUTE_5_6_POKEFAN_M_BLOCKS_UNDERGROUND_PATH; visibility decided by CheckObjectFlag, engine/overworld/map_objects_2.asm:32	Nothing the player can do in this section	maps/PowerPlant.asm:164 setevent EVENT_ROUTE_5_6_POKEFAN_M_BLOCKS_UNDERGROUND_PATH (flag set = object masked), which is part of returning the MACHINE_PART
Magnet Train Saffron -> Goldenrod	maps/SaffronMagnetTrainStation.asm:19 checkevent EVENT_RESTORED_POWER_TO_KANTO, then checkitem PASS at :30	EVENT_RESTORED_POWER_TO_KANTO and PASS in bag	maps/PowerPlant.asm:165 sets the event; the PASS comes from elsewhere. Both false here, so the officer only prints "isn't operating now"
Silph Co. upper floors	maps/SilphCo1F.asm:69 - SILPHCO1F_OFFICER object at (13, 1) with event flag -1 (never hides). No stairs warp exists on SilphCo1F at all	Permanently blocked in Gen 2	Never; this is not a gate that opens
Saffron Gym maze	The 30 pad warps at maps/SaffronGym.asm:296-326. Pads are teleport panels (COLL_WARP_PANEL-class tiles), so they fire on landing, not on a directional press	Navigation only - no badge, item or flag check anywhere in SaffronGym.asm	n/a. The single route to Sabrina is (11,15) -> (19,17) -> ... -> (1,5) -> (11,9); see the pad table
MARSHBADGE re-fight guard	maps/SaffronGym.asm:17 checkflag ENGINE_MARSHBADGE / iftrue .FightDone	Badge not yet held	Beating Sabrina once; afterwards she only talks
Gym trainers	Each trainer struct's EVENT_BEAT_* flag; the trainer only challenges while its flag is clear	Walking into their sight cone (sight 3 for Rebecca/Franklin, 2 for Doris/Jared)	Beating them, or beating Sabrina, which sets all four flags at maps/SaffronGym.asm:27-30

No HM field move is required anywhere in this section - no engine/overworld/cut.asm, surf.asm, strength.asm or whirlpool.asm check is reachable from these maps. The Bicycle the walkthrough recommends is convenience only.

4. Bot checklist

Coordinates are asm cell coordinates on the named map. "Warp N" means the def_warp_events index in that map's table.

1. MAP_ROUTE_6 - walk north along the route to warp 2 at (6, 1). Precondition: none. Postcondition: on MAP_ROUTE_6_SAFFRON_GATE warp 3 (4, 7).
   • Optional: read the sign at (19, 5). Do not try warp 1 at (17, 3); ROUTE6_POKEFAN_M occupies (17, 4) while EVENT_ROUTE_5_6_POKEFAN_M_BLOCKS_UNDERGROUND_PATH is clear.
2. MAP_ROUTE_6_SAFFRON_GATE - walk from (4, 7) to warp 1 at (4, 0). Postcondition: on MAP_SAFFRON_CITY warp 12 (16, 33); MAPCALLBACK_NEWMAP fires and ENGINE_FLYPOINT_SAFFRON becomes set.
3. MAP_SAFFRON_CITY - walk to warp 5 at (27, 29). Enter MAP_MR_PSYCHICS_HOUSE.
4. MAP_MR_PSYCHICS_HOUSE - talk to MRPSYCHICSHOUSE_FISHING_GURU at (5, 3) (approach from (4, 3) facing right, he faces left). Precondition: EVENT_GOT_TM29_PSYCHIC clear and TM pocket has room. Postcondition: TM_PSYCHIC_M in bag, EVENT_GOT_TM29_PSYCHIC set. Exit warp 1 (2, 7).
5. MAP_SAFFRON_CITY - walk to warp 7 at (18, 21). Enter MAP_SILPH_CO_1F.
6. MAP_SILPH_CO_1F - talk to SILPHCO1F_OFFICER at (13, 1). Precondition: EVENT_GOT_UP_GRADE clear, item pocket has room. Postcondition: UP_GRADE in bag, EVENT_GOT_UP_GRADE set. Exit warp 1 (2, 7).
7. (Optional, dialogue only) MAP_SAFFRON_CITY warp 6 at (8, 3) -> MAP_SAFFRON_MAGNET_TRAIN_STATION; talk to SAFFRONMAGNETTRAINSTATION_OFFICER at (9, 9). Expect the "isn't operating now" arm because EVENT_RESTORED_POWER_TO_KANTO is clear. Exit warp 1 (8, 17).
8. (Optional) MAP_SAFFRON_CITY warp 3 at (25, 11) -> MAP_SAFFRON_MART; talk to SAFFRONMART_CLERK at (1, 3) for MART_SAFFRON. Exit warp 1 (2, 7).
9. MAP_SAFFRON_CITY - warp 1 at (26, 3) -> MAP_FIGHTING_DOJO. Walk onto / face FIGHTINGDOJO_POKE_BALL at (3, 1). Precondition: EVENT_PICKED_UP_FOCUS_BAND clear. Postcondition: FOCUS_BAND in bag, EVENT_PICKED_UP_FOCUS_BAND set (ball object masked from then on). Exit warp 1 (4, 11).
10. (Optional heal) MAP_SAFFRON_CITY warp 4 at (9, 29) -> MAP_SAFFRON_POKECENTER_1F; talk to nurse at (3, 1). Exit warp 1 (3, 7).
11. MAP_SAFFRON_CITY - warp 2 at (34, 3) -> MAP_SAFFRON_GYM, landing on warp 1 (8, 17).
12. MAP_SAFFRON_GYM - walk to the pad at (11, 15). Warps to (19, 17).
13. MAP_SAFFRON_GYM BR room - battle SAFFRONGYM_GRANNY1 (Medium Rebecca) at (17, 16), sight 3. Precondition: EVENT_BEAT_MEDIUM_REBECCA clear. Postcondition: that flag set. (Skippable: her flag is force-set by the Sabrina script.)
14. MAP_SAFFRON_GYM - step on pad (15, 17). Warps to (5, 15).
15. MAP_SAFFRON_GYM BL room - battle SAFFRONGYM_YOUNGSTER1 (Psychic Franklin) at (3, 16), sight 3. Postcondition: EVENT_BEAT_PSYCHIC_FRANKLIN set.
16. MAP_SAFFRON_GYM - step on pad (1, 15). Warps to (19, 5).
17. MAP_SAFFRON_GYM TR room - battle SAFFRONGYM_YOUNGSTER2 (Psychic Jared) at (17, 4), sight 2. Postcondition: EVENT_BEAT_PSYCHIC_JARED set.
18. MAP_SAFFRON_GYM - step on pad (15, 5). Warps to (1, 3).
19. MAP_SAFFRON_GYM TL room - battle SAFFRONGYM_GRANNY2 (Medium Doris) at (3, 4), sight 2. Postcondition: EVENT_BEAT_MEDIUM_DORIS set.
20. MAP_SAFFRON_GYM - step on pad (1, 5). Warps to (11, 9), Sabrina's chamber.
21. MAP_SAFFRON_GYM - talk to SAFFRONGYM_SABRINA at (9, 8) (stand at (9, 9) facing up, or (10, 8) facing left). Precondition: ENGINE_MARSHBADGE clear. Battle SABRINA/SABRINA1. Postcondition: EVENT_BEAT_SABRINA, the four trainer flags, and ENGINE_MARSHBADGE all set; +4800G.
22. MAP_SAFFRON_GYM exit - (11, 9) -> (1, 5); walk right to (5, 5) -> (1, 11); walk right to (5, 11) -> (5, 17); walk up to (5, 15) -> (15, 17); walk right to (19, 17) -> (11, 15); walk down to warp 1/2 at (8, 17)/(9, 17) -> MAP_SAFFRON_CITY warp 2 (34, 3).
23. Mid-gym heal-and-return (if step 21 needs a fresh party): exit via step 22, heal at MAP_SAFFRON_POKECENTER_1F, re-enter, then (11,15) -> (19,17), up to (19,15) -> (19,9), left to (15,9) -> (15,3), down to (15,5) -> (1,3), down to (1,5) -> (11,9). This is the walkthrough's "1st teleporter, then up, left, down, down" and it checks out against the pad table.

5. Port coverage

Beat	Port file	Status
Map load, block grid, COLL_* collision, connections	src/world/gen2/Map.lua, src/world/gen2/Permissions.lua, src/world/gen2/World.lua	Implemented (generic; Gold maps come from src/import/RomExtractorGen2.lua, not hand-ported)
Warp panels / teleport pads (the whole gym maze)	src/world/gen2/Permissions.lua:195 COLL_WARP_PANEL = 0x7c in WARP_FACING_DOWN, Permissions.warpFacesDown; warp taking in src/world/gen2/World.lua:1566 World:warpTo	Implemented (panels warp on landing, which is what all 30 gym pads are)
Map-to-self warps (every gym pad targets SAFFRON_GYM)	src/world/gen2/World.lua warp handling	Implemented, but untested for this map - no driver exercises a same-map warp chain
MAPCALLBACK_NEWMAP -> setflag ENGINE_FLYPOINT_SAFFRON	src/world/gen2/World.lua:5659 self:runMapCallback("MAPCALLBACK_NEWMAP"); fly-point row at src/world/gen2/FieldMoves.lua:365 (LANDMARK_SAFFRON_CITY / SPAWN_SAFFRON / flag 59)	Implemented
Script opcodes used by every script in this section (checkevent, iftrue, iffalse, setevent, checkflag, setflag, verbosegiveitem, promptbutton, writetext, waitbutton, jumptext, jumptextfaceplayer, jumpstd, gettrainername, pokemart, yesorno, checkitem, applymovement, special, warpcheck, newloadmap, loadtrainer, startbattle, reloadmapafterbattle, winlosstext, endifjustbattled, playsound, waitsfx)	src/script/gen2/Opcodes.lua, src/script/gen2/Vm.lua (checkflag :195, verbosegiveitem :490, pokemart :597, jumpstd :742, loadtrainer :806, startbattle :817, winlosstext :918)	Implemented
Object visibility from event flags (the Route 6 blocker, the station's hidden Teacher/Lass, the picked-up Focus Band ball)	src/world/gen2/Events.lua:1-2 documents and implements "flag SET -> object hidden", matching CheckObjectFlag	Implemented
Overworld trainer sight + battle handoff (Rebecca, Franklin, Doris, Jared)	src/world/gen2/Trainers.lua (eyesight from home/trainers.asm, party build)	Implemented
Gym leader battle, badge grant, prize money x4	src/battle/gen2/Battle.lua; src/battle/gen2/Prize.lua:82 Prize.reward(baseMoney, level) and :181 local quarter = ... (the four-way payout)	Implemented
Item ball pickup (FOCUS_BAND in the Fighting Dojo)	Extracted at src/import/RomExtractorGen2.lua:2968-2969 into obj.itemball, but nothing reads obj.itemball at runtime (grep for .itemball in src/ hits only the extractor). src/script/gen2/CallAsm.lua:551 explicitly stubs TryReceiveItem	Missing - the ball object will exist and be masked correctly by its flag, but stepping on it grants nothing
Magnet Train ride (special MagnetTrain)	src/core/gen2/MagnetTrain.lua, src/ui/gen2/MagnetTrainRide.lua	Implemented (not exercised in this section - the officer's gate is false here)
Mart (pokemart MARTTYPE_STANDARD, MART_SAFFRON)	src/ui/gen2/MartMenu.lua, Vm.lua:597	Implemented
Pokecenter heal (jumpstd PokecenterNurseScript)	std scripts extracted (src/import/RomExtractorGen2.lua:2901), heal hook src/script/gen2/Specials.lua:451	Implemented
Bicycle	src/world/gen2/Bike.lua	Implemented
Any Saffron-specific hand-ported content	none	Missing by design - the Gen 2 port is data-driven off the ROM; there are no SAFFRON symbols anywhere under src/ except Gen 1 save-conversion tables (src/save_convert/), which are unrelated
Driver coverage for this section	tests/drivers/gold_*.lua (25 drivers: boot, walk, warp, trainer, battle, map callbacks, ...)	Missing - no driver reaches Kanto or Saffron; gold_warp_scene.lua / gold_walk_smoke.lua are Johto-early smoke tests

6. Unresolved / verify by hand

• Psychic Jared's third Pokemon. The walkthrough lists "Level 32 Exeggcute (672 EXP)" twice. data/trainers/parties.asm:2569-2574 gives PSYCHIC_T (11) JARED as L32 MR__MIME, L32 EXEGGCUTE, L35 EXEGGCUTE. The asm wins; the walkthrough's second Exeggcute level and its EXP figure are both wrong.
• EXP values. None of the per-Pokemon EXP numbers in the walkthrough (765, 1237, 1149, 735, 672, 720, 1264, 1941, 1339, 1912) were checked against data/pokemon/base_stats/ - they are outside what a bot needs and were not verified.
• "PokeMart ... upper-right corner of Saffron City". The mart door is warp 3 at (25, 11) on a 40x36-cell map, i.e. north-of-centre and east of the middle, not the corner. The two gyms it says are "further north" are at (26, 3) and (34, 3), which is correct.
• "Silph Co ... the multi-story building above the Pokémon Center". Silph is warp 7 at (18, 21); the Pokecenter is warp 4 at (9, 29). Silph is north-east of it, and SilphCo1F has no stairs warp - only the two street doors. There is no upper floor in Gen 2.
• "You now have 10 badges!" ENGINE_MARSHBADGE is bit 5 of wKantoBadges (constants/engine_flags.asm:52), so it is the 6th Kanto badge in flag order, not the 10th badge overall. The count of 10 only holds for a player who took Vermilion before Saffron, as this FAQ's chapter order does. Nothing in the asm enforces that order.
• The walkthrough's mid-maze "left/right (whichever way works) till you find that one trainer again (Franklin)" heal route is deliberately vague in the source text and was not reduced to a single pad sequence. The precise post-heal route it gives afterwards ("1st teleporter, then up, left, down, down") does resolve cleanly and is recorded in bot checklist step 23.
• The "large man who blocks the entire entrance to the Underground Path" is described as taunting the player about moving boulders. Route6PokefanMText (maps/Route6.asm:15) contains only the Power Plant line; no boulder or strength text exists on this map. Treat the boulder remark as FAQ colour.