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Medarot 3/Notes

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Map IDs

Currently incomplete

  • 0000 = Omikuji Town
  • 0001 = Medarot Research Institute (Entrance)
  • 0002 = Medarot Research Institute (Room adjacent to entrance, to the north)
  • 0003 = Medarot Research Institute (Western room)
  • 0004 = Medarot Research Institute (Northernmost room)
  • 0005 = Medarot Research Institute (Easternmost room)
  • 0006 = Medarot Research Institute (Locked room, NW?)
  • 0007 = Ikki's house (bottom floor)
  • 0008 = Ikki's house (upstairs bedroom)
  • 0009 = Arika's house
  • 000A = Kikuhime's house
  • 000B = Iwanoi's house
  • 000C = Kagamiyama's house
  • 000D = Boss's house in overworld, west of park in Omikuji Town
  • 000E = House west of Ikki's house
  • 000F = House west of Medaropolis
  • 0010 = House north of 000F, contains Rubberobo medals
  • 0011 = House south of Abandoned Factory
  • 0012 = Abandoned Factory
  • 0013 = Park in Omikuji Town
  • 0014 = First shop (#0)
  • 0015 = Select Corp (Omikuji Town branch)
  • 0016 = Train, west end of Omikuji Town
  • 0017 = Ginjo Elementary School (lobby)
  • 0018 = Ginjo Elementary School (1F)
  • 0019 = Ginjo Elementary School (2F)
  • 001A = Ginjo Elementary School (1F Classroom NW)
  • 001B = Ginjo Elementary School (1F Classroom NNW)
  • 001C = Ginjo Elementary School (1F Classroom NNE)
  • 001D = Ginjo Elementary School (1F Classroom NE)
  • 001E = Ginjo Elementary School (1F Classroom SSE)
  • 001F = Ginjo Elementary School (1F Classroom SE)
  • 0020 = Ginjo Elementary School (2F Classroom NW)
  • 0021 = Ginjo Elementary School (2F Classroom NNW)
  • 0022 = Ginjo Elementary School (2F Classroom SW)
  • 0023 = Ginjo Elementary School (2F Classroom SSW)
  • 0024 = Ginjo Elementary School (2F Classroom SSE)
  • 0025 = Ginjo Elementary School (2F Classroom SE)
  • 0026 = Ginjo Elementary School (1F Classroom SSW)
  • 0027 = Ginjo Elementary School (1F Men's Room SW)
  • 0028 = Ginjo Elementary School (2F Ladies' Room SE)
  • 002A = Medaropolis 1 (NW)
  • 002B = Building in Medaropolis 1
  • 002C = Building in Medaropolis 1
  • 002D = Building in Medaropolis 1
  • 002E = Shop in Medaropolis 1 (1F, #1 & Paint Shop)
  • 002F = Shop in Medaropolis 1 (2F, Medalink)
  • 0030 = Shop in Medaropolis 1 (3F)
  • 0031 = Select Corps headquarters
  • 0032 = Select Corps headquarters (east entrance, first aid center)
  • 0033 = Bunny girl bar
  • 0034 = Medaropolis 2 (SW)
  • 0035 = Medalo Department Store (Shop #2)
  • 0036 = Medalo Department Store (2F)
  • 0037 = Building in Medaropolis 2 with Office Worker
  • 0038 = Building in Medaropolis 2 (adjacent to empty room)
  • 0039 = Empty building in Medaropolis 2
  • 003A = Building in Medaropolis 2
  • 003B = Medaropolis 3 (NE)
  • 003C = Building in Medaropolis 3
  • 003D = Building in Medaropolis 3
  • 003E = Building in Medaropolis 3
  • 003F = Building in Medaropolis 3
  • 0040 = Building in Medaropolis 3
  • 0041 = Shop in Medaropolis 3 (#3)
  • 0042 = Locked building in Medaropolis 3 (Koji's house)
  • 0043 = Locked building in Medaropolis 3 (Koji's house 2F)
  • 0044 = Karin's house
  • 0045 = Hachiro's house
  • 0046 = Hachiro's house (2F)
  • 0047 = Hanazono Private School (lobby)
  • 0048 = Hanazono Private School (gym)
  • 0049 = Hanazono Private School (1F)
  • 004A = Hanazono Private School (1F men's room NW)
  • 004B = Hanazono Private School (1F hallway
  • 004C = Hanazono Private School (1F Classroom NE)
  • 004D = Hanazono Private School (1F Classroom WNW)
  • 004E = Hanazono Private School (1F Classroom SW)
  • 004F = Hanazono Private School (1F Classroom ENE)
  • 0050 = Hanazono Private School (1F Classroom SSE)
  • 0051 = Hanazono Private School (1F Classroom SSW)
  • 0052 = Hanazono Private School (2F)
  • 0053 = Hanazono Private School (2F Classroom SSE)
  • 0054 = Hanazono Private School (2F Classroom WNW)
  • 0055 = Hanazono Private School (2F Classroom WSW)
  • 0056 = Hanazono Private School (2F Classroom ESE)
  • 0057 = Hanazono Private School (2F ladies' room SSW)
  • 0058 = Hanazono Private School (2F Staff Room NNW)
  • 0059 = Hanazono Private School (2F Office NNE)
  • 005A = Hanazono Private School (Medal room)
  • 005B = Medaropolis 4 (SE)
  • 005C = Building in Medaropolis 4 (adjacent to curry restaurant)
  • 005D = Building in Medaropolis 4
  • 005E = Building in Medaropolis 4 (with robattle)
  • 005F = Building in Medaropolis 4
  • 0060 = Medarot Company
  • 0061 = Medarot Company (east)
  • 0062 = Medarot Company (west)
  • 0063 = Restaurant Dom Peri (with curry!)
  • 0064 = Risotto Apartments (1F, lobby)
  • 0065 = Risotto Apartments (2F, lobby)
  • 0066 = Risotto Apartments (1F, west room)
  • 0067 = Risotto Apartments (1F, east room)
  • 0068 = Risotto Apartments (2F, west room)
  • 0069 = Risotto Apartments (2F, east room)
  • 006A = Train track in Medaropolis?
  • 006B = Train (Start of Chapter 3) / Airplane (Start of Chapter 5)
  • 006C = Earth Mall (Underground town)
  • 006D = Building in Earth Mall
  • 006E = Building in Earth Mall
  • 006F = Building in Earth Mall
  • 0070 = Building in Earth Mall
  • 0071 = Building in Earth Mall
  • 0072 = Building in Earth Mall
  • 0073 = Building in Earth Mall
  • 0075 = Building in Earth Mall
  • 0076 = Building in Earth Mall
  • 0077 = Shop #4 (Earth Mall)
  • 0078 = GeoFront Scientific Laboratory Entrance
  • 0079 = GeoFront Scientific Laboratory Floor 1 NW
  • 007A = GeoFront Scientific Laboratory Floor 1 NE
  • 007B = GeoFront Scientific Laboratory Floor B1
  • 007C = GeoFront Scientific Laboratory Floor B1 NW
  • 007D = GeoFront Scientific Laboratory Floor B1 NE
  • 007E = GeoFront Scientific Laboratory Floor B1 Artificial Farm
  • 007F = GeoFront Floor?
  • 0080 = GeoFront Floor? NW
  • 0084 = GeoFront (Past broken elevator)
  • 0085 = Outside of Primity Baby room
  • 0086 = Primity Baby room
  • 0087 = Geothermal Power Plant
  • 0089 = Medarot Dispatch Center
  • 008A = Medalympics (GeoDome)
  • 008B = Train Station (Earth Mall)
  • 008C = Weather Station
  • 008D = Tsuchinoe Elementary School (1F lobby)
  • 008E = Tsuchinoe Elementary School (1F WNW)
  • 008F = Tsuchinoe Elementary School (1F NNW)
  • 0090 = Tsuchinoe Elementary School (1F NNE)
  • 0091 = Tsuchinoe Elementary School (1F ENE)
  • 0092 = Tsuchinoe Elementary School (1F Far W)
  • 0093 = Tsuchinoe Elementary School (1F W)
  • 0094 = Tsuchinoe Elementary School (1F E)
  • 0095 = Tsuchinoe Elementary School (1F Far E)
  • 0096 = Tsuchinoe Elementary School (1F SW)
  • 0097 = Tsuchinoe Elementary School (1F mens' room)
  • 0098 = Tsuchinoe Elementary School (1F ladies' room)
  • 0099 = Tsuchinoe Elementary School (1F SE)
  • 009A = Under-Shell (West)
  • 009B = Under-Shell (East)
  • 009C = Under-Shell (Bubble, underwater)
  • 009D = Under-Shell (Under-Bed Forest)
  • 009E = Under-Shell (Subaru cutscene?)
  • 009F = Under-Shell (Marine Express)
  • 00A0 = Under-Shell (Bubble Lobby)
  • 00A1 = Under-Shell (house)
  • 00A2 = Under-Shell (house)
  • 00A3 = Under-Shell (house)
  • 00A4 = Under-Shell (house)
  • 00A5 = Under-Shell (house)
  • 00A6 = Under-Shell (house)
  • 00A7 = Under-Shell (house)
  • 00A8 = Under-Shell (house)
  • 00A9 = Under-Shell (house)
  • 00AA = Under-Shell (house)
  • 00AB = Under-Shell (house)
  • 00AC = Under-Shell (Medarotter 1F - Shop #5 and Paint Shop)
  • 00AD = Under-Shell (Medarotter Building 2F - Medalink)
  • 00AE = Under-Shell (Medarotter Building 3F)
  • 00AF = Under-Shell shop (#6)
  • 00C9 = Area outside of Nimosaku's house???
  • 00CB = Nimosaku's house??? (Post Medalympics)
  • 00CC = Nimosaku's house 2F??? (Post Medalympics)
  • 008B = Mermaid room
  • 00B0 = Under-Shell - Merman/Mermaid Academy Lobby
  • 00BC = Mermaid - Principal's office
  • 00B1 = Mermaid Academy - Main Hall
  • 00C9 = Heaven's Gate (??)
  • 00CD = Heaven's Gate (??)
  • 00DB = Heaven's Gate (1F - Entrance)
  • 00DC = Heaven's Gate (Shop #7)
  • 00DD = Heaven's Gate (Elevator)
  • 00DE = Heaven's Gate (2F - Office 1)
  • 00DF = Heaven's Gate (2F - N Room)
  • 00E0 = Heaven's Gate (2F - W Room)
  • 00E1 = Heaven's Gate (2F - E Room)
  • 00E2 = Heaven's Gate (2F - S Room - Select Corps)
  • 00E3 = Heaven's Gate (3F - Aero Hotel 1)
  • 00E4 = Heaven's Gate (3F - N Room)
  • 00E5 = Heaven's Gate (3F - NW Room - Kikuhime)
  • 00E6 = Heaven's Gate (3F - SW Room - Iwanoi/Spyke)
  • 00E7 = Heaven's Gate (3F - NE Room - Kagamiyama)
  • 00E8 = Heaven's Gate (3F - SE Room)
  • 00E9 = Heaven's Gate (4F - Aero Hotel 2)
  • 00EA = Heaven's Gate (4F - N Room)
  • 00EB = Heaven's Gate (4F - NW - Ikki's room)
  • 00EC = Heaven's Gate (4F - SW - Arika's room)
  • 00ED = Heaven's Gate (4F - NE)
  • 00EE = Heaven's Gate (4F - SE - Karin's room)
  • 00EF = Heaven's Gate (5F - Office 2)
  • 0103 = Heaven's Gate (9F - Sky Park)
  • 010B = Heaven's Gate (Lobby?)
  • 0135 = Select Corps (Earth Mall)
  • 0138 = Medaroplis Cutscene?
  • 013B = Under-Shell (Main / Night / Post-Subaru)

Game states

  • 00 - Boot-up
  • 01 - Opening credits
  • 02 - Title screen
  • 03 - Test Mode (Select+Start on title screen)
  • 04 - Just after title screen
  • 05 - Post-title menu
  • 06 - Game Over
  • 07 - Shop
  • 08 - Finished battle (lose?), dialog, main map
  • 09 - Pause menu
  • 0A - Medawatch
  • 0B - Items
  • 0D - Parts
  • 0C - Save
  • 0E - Medals
  • 0F - Pre-battle - Medarot selection
  • 10 - Robattle - select move
  • 12 - Auto Battle Plan
  • 13, 14 - About to attack in robattle
  • 1A - Robattle animation
  • 20 - Boat Mini-game
  • 21 - Frogger Mini-game
  • 22 - Paint Shop
  • 23 - Cutscene?
  • 24 - Cutscene - Medarot explanation
  • 25 - Cutscene?
  • 26 - Train
  • 27 - Chapter
  • 28 - Robattle animation -- bug appears from center
  • 29 - Medapedia
  • 2A - Credits
  • 2B - Medachange
  • 2C - Resets to title screen
  • 2E - Map
  • 2D - Intro screen
  • 2F - Naming screen
  • 30 - VRAM viewer
  • 31 - Debug menu

SRAM

The format is very similar to Telefang and Medarot 4/5.

Save file header

An ASCII string exists in 0:A000-A00F. This is used to determine if a save file is present. Like other Medarot games (but unlike Telefang), the string is the same in both Kabuto and Kuwagata versions:

 MEDAROT3      \x00

(Note that \x00 denotes a null byte with value 00)

This string is compared against ROM offset 15:4106-4115 in both versions to determine if a save file is present. If the string is not present, the game assumes that the cartridge is brand new (or has its battery freshly replaced) and initializes the save by copying the string from the aforementioned ROM offset and initializes the save by filling the checksum region (see below) to 00.

Checksum

After the title screen, the game runs a checksum, adding up each byte from 0:A000-BFEF. The result is a 16-bit number. This is compared to a 16-bit, big endian integer at 0:BFFE-BFFF. If this doesn't match, a save file corruption message will appear afterwards. Once the player presses A to leave this screen, the file is erased.

Medarot 4, 5, and Telefang also compute the checksum the same way and have the same SRAM addresses.

Save file bit

At 0:BFFD in SRAM, this value is 00 if a save file is not present, and 01 if it is.