Difference between revisions of "Pokémon Red and Blue:Notes"

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(New page: <pre> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% RGBY Map Headers & Stuff That Goes With It By Hat (a.k.a. The Black Phantom) Version 1.0 ...)
 
m (small improvements, made a start on tileset headers)
Line 3: Line 3:
  
 
     RGBY Map Headers & Stuff That Goes With It
 
     RGBY Map Headers & Stuff That Goes With It
    By Hat (a.k.a. The Black Phantom)
 
 
     Version 1.0
 
     Version 1.0
     -Feel free to distribute this document and/or edit it,
+
     -Feel free to distribute this document and/or edit it.
     -try and credit people you get info from and/or write how you updated...
+
     -Try and credit people you get info from and/or write how you updated.
  
 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 +
 +
Things that need adding:
 +
------------------------
 +
More information about tilesets, and info about what sprites get loaded for
 +
which maps.
 +
 +
Updates:
 +
--------
 +
v1.1: By Hat, minor improvements.
 +
v1.0: Original version typed up by Hat.
  
 
Main Credits (Structure Information):
 
Main Credits (Structure Information):
Line 23: Line 32:
 
...............................................................................
 
...............................................................................
  
 +
Notes:
 +
R/B Pointers to Map Headers: 0x01AE
 +
R/B Map Header Banks: 0xC23D
 +
R/B Pointer to Tileset Headers: 0xC767
 +
 +
Maximum tileset size in VRAM: 6 rows of 16 tiles (9000-95FF)
 +
 +
...............................................................................
 +
 +
===============================================================================
 +
 +
    Tileset Header Structure (*Incomplete*)
 +
 +
===============================================================================
 +
 +
12 bytes per header...
 +
 +
Format:
 +
~~~~~~~
 +
[1 BYTE: Bank No. of Blocks/Tiles]
 +
[2 BYTES: Pointer to Blocks (-10 for some reason)]
 +
[2 BYTES: Pointer to Tiles]
 +
[7 BYTES: ???]
 +
 +
last 7 bytes ideas: collison data pointer? something to do with animations?
  
 
===============================================================================
 
===============================================================================
  
     General Map Header Structure
+
     Map Header Structure
  
 
===============================================================================
 
===============================================================================
Line 66: Line 100:
 
===============================================================================
 
===============================================================================
  
These are copied from a PDF by Cartmic, called "Pokemon Red Documents".
+
The tileset descriptions are copied from a document compiled by Cartmic,
 +
called "Pokemon Red Documents", which may help you with other stuff too.
 +
 
 +
Unchanged R/B Locations/Tileset No./Tileset Descriptions
 +
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 +
C7BE; 00: "Outside"C7CA; 01: "Ash's House (#1)"
 +
C7D6; 02: "Pokemon Center (#1)"
 +
C7E2; 03: "Viridian Forest"
 +
C7EE; 04: "Ash's House (#2)"
 +
C7FA; 05: "Gym (#1)"
 +
C806; 06: "Pokemon Center (#2)"
 +
C812; 07: "Gym (#2)"
 +
C81E; 08: "House"
 +
C82A; 09: "Museum (#1)"
 +
C836; 0A: "Museum (#2)"
 +
C842; 0B: "Underground Path"
 +
C84E; 0C: "Museum (#3)"
 +
C85A; 0D: "S.S. Anne"
 +
C866; 0E: "Vermilion Port"
 +
C872; 0F: "Pokemon Cemetery"
 +
C87E; 10: "Silph Co."
 +
C88A; 11: "Cave"
 +
C896; 12: "Celadon Mart"
 +
C8A2; 13: "Game Freak HQ"
 +
C8AE; 14: "Lab"
 +
C8BA; 15: "Bike Shop/Cable Center"
 +
C8C6; 16: "Cinnabar Mansion/Power Plant etc"
 +
C8D2; 17: "Indigo Plateau"
  
  00 = "Outside"
+
NOTE: As you can see there's multiple copies of some tileset headers. They are
  01 = "Ash's House"
+
literally copies, you only need 1 copy, but you will need to make sure all maps
  02 = "Pokemon Center"
+
using that tileset are set to using that tileset number, then you can use the
  03 = "Viridian Forest"
+
free space for more tilesets.
  04 = "Ash's House -- Again"
 
  05 = "Gym"
 
  06 = "Pokemon Center -- Again"
 
  07 = "Gym -- Again"
 
  08 = "House"
 
  09 = "Museum"
 
  0A = "Museum -- Again"
 
  0B = "Underground Path"
 
  0C = "Museum -- Again #2"
 
  0D = "S.S. Anne"
 
  0E = "Vermilion Port"
 
  0F = "Pokemon Cemetary"
 
  10 = "Silph Co."
 
  11 = "Cave"
 
  12 = "Celadon Mart"
 
  13 = "Game Freak HQ"
 
  14 = "Lab"
 
  15 = "Bike Shop/Cable Center"
 
  16 = "Cinnabar Mansion/Power Plant etc"
 
  17 = "Indigo Plateau"
 
  18 = ???
 
  
 
===============================================================================
 
===============================================================================
Line 104: Line 144:
 
===============================================================================
 
===============================================================================
  
You can use Pokemap/GoldMap for hacking all this quite easily.
+
You can use the GoldMap engine for hacking map data quite easily.
  
 
The map you walk around on and stuff is stored as block indexes.
 
The map you walk around on and stuff is stored as block indexes.
A single block consists of 4*4 tiles, so... somewhere else (the Block Data),
+
A single block consists of 4*4 tiles.
the block is stored as 16 bytes...
 
 
 
...the same amount of bytes as a 2bpp tile.
 
Read stuff on Romhacking.net for information on bits per plane/pixel (bpp).
 
  
 
===============================================================================
 
===============================================================================
Line 123: Line 159:
 
===============================================================================
 
===============================================================================
  
Not entirely sure what/when/where/why/how.
+
ASM used on that map, chances are if there's something on a map you can't find
But it contains unique things to the map at a guess, as I've found such things
+
elsewhere you might easily be able to find it here, using a hex search
as "what Pokemon is inside a Pokeball on the desk data"(Eevee) living there.
+
function. You can find things like XY positions of Poke Balls and 1-time
 +
only Pokemon.
  
 
===============================================================================
 
===============================================================================
Line 133: Line 170:
 
  Note:
 
  Note:
 
  ~~~~~
 
  ~~~~~
  I think I wrote the directions in the order connection data is stored...?
+
  If this value is 00h it is immediately followed by the Object Data
By the way if this value is 00h it is immediately followed by the Object Data
 
 
  Pointer, no gap. Repeated list...
 
  Pointer, no gap. Repeated list...
  
Line 164: Line 200:
  
 
The last thing in the Map Header. It points to a bunch of certain stuff that
 
The last thing in the Map Header. It points to a bunch of certain stuff that
is stored in certain structures, because they are so overly used on maps.
+
is stored in similar structures.
  
 
Object Data is discussed at the end of this document.
 
Object Data is discussed at the end of this document.
Line 173: Line 209:
  
 
     *** Hacking Connections ***
 
     *** Hacking Connections ***
     This might take a bit of "practise hacking" to fully understand what the
+
     This will certainly require planning, with no background distractions.
    hell is being said here.
+
    Unless a editor gets built that can hack the connections for RGBY.
  
 
===============================================================================
 
===============================================================================
Line 194: Line 230:
 
#10-11: [Window]
 
#10-11: [Window]
  
Connection Strip Example:
+
PKMN Red Example -- Saffron City (Header: 0x509A4) Diagram:
-------------------------
+
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Connection Byte 0D...
+
Saffrons need-to-know stats:
the C rectangles are the connection strips for the current map...
+
 
 +
Block Height (Y): 12
 +
Block Width (X): 14
 +
Connection Byte: 0F (North + South + West + East)
 +
                      -       -       -     -
 +
+ = current maps border blocks
 +
 
 +
++++++++NNNNNNNNNN++++++++
 +
++++++++NNNNNNNNNN++++++++
 +
++++++++NNNNNNNNNN++++++++
 +
+++####################+++
 +
+++####################+++
 +
+++####### My #########+++
 +
+++####################+++
 +
WWW####### Name's #####EEE
 +
WWW####################EEE
 +
WWW###### Saffron #####EEE
 +
WWW####################EEE
 +
WWW###### City! #######EEE
 +
WWW####################EEE
 +
WWW####################EEE
 +
WWW####################EEE
 +
WWW####################EEE
 +
+++####################+++
 +
+++####################+++
 +
+++####################+++
 +
+++####################+++
 +
+++####################+++
 +
++++++++SSSSSSSSSS++++++++
 +
++++++++SSSSSSSSSS++++++++
 +
++++++++SSSSSSSSSS++++++++
 +
 
 +
Connection to Route 5 (to the North)
 +
              *Y: 12
 +
              *X: 0A
 +
              *X_Movement_of_Connection Strip = 5
 +
      Map Index: 10
 +
Connection Strip: 4668
 +
Where Connected: C6F0 (C6EB + 5)
 +
      "Bigness": 0A
 +
          Width: 0A
 +
    Y alignment: 23 (12 * 2 - 1)
 +
    X alignment: F6 (5 * -2)
 +
          Window: C809 (C6E9 + (12 * (0A + 6)))
  
                &&&      \
+
Connection to Route 6 (to the South)
                & &      |
+
              *Y: 12
                & &      |
+
              *X: 0A
                & &      |
+
              *X_Movement_of_Connection Strip = 5
                & &      |
+
      Map Index: 11
                & &      |- Connected Map (North)
+
Connection Strip: 4079
                & &      |
+
  Where Connected: C912 (C6EB + ((12 + 3) * (14 + 6)) + 5)
  +++++++++++++CCC+++++ |
+
      "Bigness": 0A
  +++++++++++++CCC+++++ |
+
          Width: 0A
  +++++++++++++CCC+++++ /
+
    Y alignment: 00
  +++###############+++
+
    X alignment: F6 (5 * -2)
  +++#            #+++<------------- '+'s = current maps border
+
          Window: C6F9 (C6EF + 0A)
  +++#            #+++
 
  +++#  Current  #CCC&&&&&&&&&&&&
 
  +++#            #CCC          &
 
  +++#    Map     #CCC          &
 
  +++#            #CCC          &
 
  +++#            #CCC&&&&&&&&&&&&
 
  +++#            #+++
 
  +++###############+++
 
  / +++CCCCCCCCCCCCCCC+++
 
| +++CCCCCCCCCCCCCCC+++
 
| +++CCCCCCCCCCCCCCC+++
 
|    &            &\_____________/
 
|    &            &            \
 
|    &            &            Connected Map (East)
 
/|    &            &
 
|\    &&&&&&&&&&&&&&&
 
|
 
\_ Connected Map (South)
 
  
 +
Connection to Route 7 (to the West)
 +
              *Y: 09
 +
              *X: 0A
 +
              *Y_Movement_of_Connection Strip = 4
 +
      Map Index: 12
 +
Connection Strip: 4058
 +
Where Connected: C79E (C6E8 + (14 + 6) * (4 + 3))
 +
      "Bigness": 09
 +
          Width: 0A
 +
    Y alignment: F8 (4 * -2)
 +
    X alignment: 13 ((0A * 2) - 1)
 +
          Window: C702 (C6EE + (0A * 2))
  
 +
Connection to Route 8 (to the East)
 +
              *Y: 09
 +
              *X: 1E
 +
              *Y_Movement_of_Connection Strip = 4
 +
      Map Index: 13
 +
Connection Strip: 41C6
 +
Where Connected: C7B5 (C6E5 + (14 + 6) * (4 + 4))
 +
      "Bigness": 09
 +
          Width: 1E
 +
    Y alignment: F8 (4 * -2)
 +
    X alignment: 00
 +
          Window: C70D (C6EF + 1E)
  
 
===============================================================================
 
===============================================================================
Line 236: Line 321:
 
===============================================================================
 
===============================================================================
  
Not included! Download UltraMap, the text file known as "RedEnglish.txt"
+
Not included! Download UltraMap, the text file known as "RedEnglish.ini"
contains all the Map Indexes in decimal, which you'll obviously need to convert
+
contains all the Map Indexes in decimal for R/B, which you'll obviously need
to hex.
+
to convert to hex.
  
 
===============================================================================
 
===============================================================================
Line 254: Line 339:
 
===============================================================================
 
===============================================================================
  
This points to the part of the current map (in RAM somwhere or something)
+
This points to the part of the current map (further up in RAM)
 
that the connection strips upperleft block is placed on the current map.
 
that the connection strips upperleft block is placed on the current map.
  
Line 294: Line 379:
 
Direction  | Formula
 
Direction  | Formula
 
___________|_______
 
___________|_______
     North: (Heigt_of_connected_map * 2) - 1
+
     North: (Height_of_connected_map * 2) - 1
 
     South: 0
 
     South: 0
 
  West/East: (Y_movement_of_connection_strip_in_blocks * -2)
 
  West/East: (Y_movement_of_connection_strip_in_blocks * -2)
Line 313: Line 398:
  
 
===============================================================================
 
===============================================================================
#10-#11 : X alignment
+
#10-#11 : Window
 
===============================================================================
 
===============================================================================
  
Line 372: Line 457:
 
Warp-To Points
 
Warp-To Points
 
--------------
 
--------------
[*2 Bytes*: Event Displacement???][Y position][X position]
+
[*2 Bytes*: Event Displacement][Y position][X position]
  
 
Event Displacement Formula:
 
Event Displacement Formula:
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
C6E3 +  ((Map width + 8) * (rows above + 1))  + (X movement + 4)
 
C6E3 +  ((Map width + 8) * (rows above + 1))  + (X movement + 4)
Just set it to C6E3 if you're not using it I think.
 
  
############################################################### THE END FOR NOW
+
###############################################################################
 
</pre>
 
</pre>

Revision as of 13:01, 19 September 2008

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

    RGBY Map Headers & Stuff That Goes With It
    Version 1.0
    -Feel free to distribute this document and/or edit it.
    -Try and credit people you get info from and/or write how you updated.

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Things that need adding:
------------------------
More information about tilesets, and info about what sprites get loaded for
which maps.

Updates:
--------
v1.1: By Hat, minor improvements.
v1.0: Original version typed up by Hat.

Main Credits (Structure Information):
-------------------------------------
  [Xeon]
    Wrote some stuff about Map Headers and Object Data.
    Which this document expands upon, a bit.

  [F-Zero] & [Tauwasser]
    Wrote a document (in German) explaining how GSC connection data is stored.
    RGBY connection data is stored almost the same way, it turns out, so
    that helped a great deal. All that is really different is the values you
    add the amount of blocks to.
...............................................................................

Notes:
R/B Pointers to Map Headers: 0x01AE
R/B Map Header Banks: 0xC23D
R/B Pointer to Tileset Headers: 0xC767

Maximum tileset size in VRAM: 6 rows of 16 tiles (9000-95FF)

...............................................................................

===============================================================================

    Tileset Header Structure (*Incomplete*)

===============================================================================

12 bytes per header...

Format:
~~~~~~~
[1 BYTE: Bank No. of Blocks/Tiles]
[2 BYTES: Pointer to Blocks (-10 for some reason)]
[2 BYTES: Pointer to Tiles]
[7 BYTES: ???]

last 7 bytes ideas: collison data pointer? something to do with animations?

===============================================================================

    Map Header Structure

===============================================================================

Explanation:
~~~~~~~~~~~~
This contains all the data (pointers count as data) to build the map.

Format:
~~~~~~~
  #1: [Tileset Number]
  #2: [(Y Size) Map Height]
  #3: [(X Size) Map Width]
#4-5: [*2 Bytes*: Pointer to Map]
#6-7: [*2 Bytes*: Pointer to Maps Text Pointers]
#8-9: [*2 Bytes*: Pointer to Maps "Script"]
 #10: [Connection Byte:
        00 = No Connections
        01 = North
        02 = West
        03 = West + East
        04 = South
        05 = South + East
        06 = South + West
        07 = South + West + East
        08 = North
        09 = North + East
        0A = North + West
        0B = North + West + East
        0C = North + South
        0D = North + South + East
        0E = North + South + West
        0F = North + South + West + East]
   ?: [*11 Bytes per Connection*, No connections? Straight to "Object Data"!]
Last: [*2 Bytes*: Pointer to Object Data]

===============================================================================
    1) Tileset Numbers
===============================================================================

The tileset descriptions are copied from a document compiled by Cartmic,
called "Pokemon Red Documents", which may help you with other stuff too.

Unchanged R/B Locations/Tileset No./Tileset Descriptions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C7BE; 00: "Outside"C7CA; 01: "Ash's House (#1)"
C7D6; 02: "Pokemon Center (#1)"
C7E2; 03: "Viridian Forest"
C7EE; 04: "Ash's House (#2)"
C7FA; 05: "Gym (#1)"
C806; 06: "Pokemon Center (#2)"
C812; 07: "Gym (#2)"
C81E; 08: "House"
C82A; 09: "Museum (#1)"
C836; 0A: "Museum (#2)"
C842; 0B: "Underground Path"
C84E; 0C: "Museum (#3)"
C85A; 0D: "S.S. Anne"
C866; 0E: "Vermilion Port"
C872; 0F: "Pokemon Cemetery"
C87E; 10: "Silph Co."
C88A; 11: "Cave"
C896; 12: "Celadon Mart"
C8A2; 13: "Game Freak HQ"
C8AE; 14: "Lab"
C8BA; 15: "Bike Shop/Cable Center"
C8C6; 16: "Cinnabar Mansion/Power Plant etc"
C8D2; 17: "Indigo Plateau"

NOTE: As you can see there's multiple copies of some tileset headers. They are
literally copies, you only need 1 copy, but you will need to make sure all maps
using that tileset are set to using that tileset number, then you can use the
free space for more tilesets.

===============================================================================
    2 & 3) Map Height (Y) & Width (X)
===============================================================================

Exactly that, the amount of blocks high and wide the map data is.

===============================================================================
    4 & 5) Map Data Pointer
===============================================================================

You can use the GoldMap engine for hacking map data quite easily.

The map you walk around on and stuff is stored as block indexes.
A single block consists of 4*4 tiles.

===============================================================================
    6 & 7) Pointer to Maps Text Pointers
===============================================================================

2 byte pointers to text that is used on that map.

===============================================================================
    8 & 9) Pointer to Maps "Script"
===============================================================================

ASM used on that map, chances are if there's something on a map you can't find
elsewhere you might easily be able to find it here, using a hex search
function. You can find things like XY positions of Poke Balls and 1-time
only Pokemon.

===============================================================================
    10) Connection Byte
===============================================================================

 Note:
 ~~~~~
 If this value is 00h it is immediately followed by the Object Data
 Pointer, no gap. Repeated list...

 Connection Byte:
    00 = No Connections
    01 = North
    02 = West
    03 = West + East
    04 = South
    05 = South + East
    06 = South + West
    07 = South + West + East
    08 = North
    09 = North + East
    0A = North + West
    0B = North + West + East
    0C = North + South
    0D = North + South + East
    0E = North + South + West
    0F = North + South + West + East

===============================================================================
    ?) Connection Data (0-44 bytes, explained in more depth: further down)
===============================================================================

===============================================================================
    Last) Object Data Pointer
===============================================================================

The last thing in the Map Header. It points to a bunch of certain stuff that
is stored in similar structures.

Object Data is discussed at the end of this document.
...............................................................................


===============================================================================

    *** Hacking Connections ***
    This will certainly require planning, with no background distractions.
    Unless a editor gets built that can hack the connections for RGBY.

===============================================================================

Explanation:
~~~~~~~~~~~~
The "Connection Byte" determines how many connections are in this space,
including none at all.

Structure:
~~~~~~~~~~
    #1: [Map Index of Connected Map]
  #2-3: [Pointer to "Connection Strip"s Upperleft Block (Connected Map)]
  #4-5: [Pointer to "Connection Strip"s Upperleft Block (Current Map)]
    #6: ["Bigness"]
    #7: [Map Width]
    #8: [Y alignment]
    #9: [X alignment]
#10-11: [Window]

PKMN Red Example -- Saffron City (Header: 0x509A4) Diagram:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Saffrons need-to-know stats:

Block Height (Y): 12
 Block Width (X): 14
 Connection Byte: 0F (North + South + West + East)
                      -       -       -      -
 + = current maps border blocks

++++++++NNNNNNNNNN++++++++
++++++++NNNNNNNNNN++++++++
++++++++NNNNNNNNNN++++++++
+++####################+++
+++####################+++
+++####### My #########+++
+++####################+++
WWW####### Name's #####EEE
WWW####################EEE
WWW###### Saffron #####EEE
WWW####################EEE
WWW###### City! #######EEE
WWW####################EEE
WWW####################EEE
WWW####################EEE
WWW####################EEE
+++####################+++
+++####################+++
+++####################+++
+++####################+++
+++####################+++
++++++++SSSSSSSSSS++++++++
++++++++SSSSSSSSSS++++++++
++++++++SSSSSSSSSS++++++++

Connection to Route 5 (to the North)
              *Y: 12
              *X: 0A
              *X_Movement_of_Connection Strip = 5
       Map Index: 10
Connection Strip: 4668
 Where Connected: C6F0 (C6EB + 5)
       "Bigness": 0A
           Width: 0A
     Y alignment: 23 (12 * 2 - 1)
     X alignment: F6 (5 * -2)
          Window: C809 (C6E9 + (12 * (0A + 6)))

Connection to Route 6 (to the South)
              *Y: 12
              *X: 0A
              *X_Movement_of_Connection Strip = 5
       Map Index: 11
Connection Strip: 4079
 Where Connected: C912 (C6EB + ((12 + 3) * (14 + 6)) + 5)
       "Bigness": 0A
           Width: 0A
     Y alignment: 00
     X alignment: F6 (5 * -2)
          Window: C6F9 (C6EF + 0A)

Connection to Route 7 (to the West)
              *Y: 09
              *X: 0A
              *Y_Movement_of_Connection Strip = 4
       Map Index: 12
Connection Strip: 4058
 Where Connected: C79E (C6E8 + (14 + 6) * (4 + 3))
       "Bigness": 09
           Width: 0A
     Y alignment: F8 (4 * -2)
     X alignment: 13 ((0A * 2) - 1)
          Window: C702 (C6EE + (0A * 2))

Connection to Route 8 (to the East)
              *Y: 09
              *X: 1E
              *Y_Movement_of_Connection Strip = 4
       Map Index: 13
Connection Strip: 41C6
 Where Connected: C7B5 (C6E5 + (14 + 6) * (4 + 4))
       "Bigness": 09
           Width: 1E
     Y alignment: F8 (4 * -2)
     X alignment: 00
          Window: C70D (C6EF + 1E)

===============================================================================
    #1 : Map Indexes
===============================================================================

Not included! Download UltraMap, the text file known as "RedEnglish.ini"
contains all the Map Indexes in decimal for R/B, which you'll obviously need
to convert to hex.

===============================================================================
 #2-#3 : "Connection Strip" Location
===============================================================================

The "connection strip" pointer -- points to the area of the connected map that
is visible when standing before you even enter it. Points to the upperleft
block of the "connection strip".
      * connection strip is always 3 blocks wide (E/W connection)
                                   3 blocks high (N/S connection)

===============================================================================
 #4-#5 : Current Map Position
===============================================================================

This points to the part of the current map (further up in RAM)
that the connection strips upperleft block is placed on the current map.

____________________
Connection |
Direction  | Formula
___________|_______

     North: C6EB + X_Movement_of_Connection Strip

     South: C6EB + (Height of Map + 3) * (Width of Map + 6) +
                   X_Movement_of_Connection Strip

      West: C6E8 + (Width of Map + 6) * (Y_Movement_of_"Connection Strip" + 3)

      East: C6E5 + (Width of Map + 6) * (Y_Movement_of_"Connection Strip" + 4)

===============================================================================
    #6 : Map "Bigness"
===============================================================================

North/South Connection = Connected Maps Width
East/West Connection = Connected Maps Height

===============================================================================
    #7 : Map Width
===============================================================================

The width of the connected map.

===============================================================================
    #8 : Y alignment
===============================================================================

Relative Y-position of player after entering connected map.

____________________
Connection |
Direction  | Formula
___________|_______
     North: (Height_of_connected_map * 2) - 1
     South: 0
 West/East: (Y_movement_of_connection_strip_in_blocks * -2)

===============================================================================
    #9 : X alignment
===============================================================================

Relative X-Position of player after entering connected map.

____________________
Connection |
Direction  | Formula
___________|_______
North/South: (X_movement_of_connection_strip_in_blocks * -2)
       West: (Width_of_connected_map * 2) - 1
       East: 0

===============================================================================
#10-#11 : Window
===============================================================================

Position of the upper left block after entering the Map.

____________________
Connection |
Direction  | Formula
___________|_______
     Above: C6E9h + Height_of_connected_map * (Width_of_connected_map + 6)
South/East: C6EFh + Width_of_connected_map
      West: C6EEh + 2 * Width_of_connected_map
...............................................................................


===============================================================================

    Object Data: General Structure

===============================================================================

Object Data
===========
[Maps Border Tile]
[Number of Warps][Warp Data]
[Number of Signs][Sign Data]
[Number of People/Trainers/Items]
[People Data]
[Trainer Data]
[Item Data]
[Warp-To Data]

Warps:
------
[Y position][X position][Warp-To Point][Warp-To Map]

Signposts:
----------
[Y position][X position][Text String Number]

Normal People:
--------------
[Picture Number][Y position + 4][X position + 4]
[Movement 1][Movement 2][Text String Number]

Trainers:
---------
[Picture Number][Y position + 4][X position + 4]
[Movement 1][Movement 2][Text String Number]
[Trainer Type][Pokemon Set]

Items:
---------------------
[Picture Number][Y position + 4][X position + 4]
[Movement 1][Movement 2][Text String Number]
[Item Number]

Warp-To Points
--------------
[*2 Bytes*: Event Displacement][Y position][X position]

Event Displacement Formula:
~~~~~~~~~~~~~~~~~~~~~~~~~~~
C6E3 +  ((Map width + 8) * (rows above + 1))  + (X movement + 4)

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