Notes:Medarot 3

This page contains notes for the game Medarot 3.

Debug Menu

Accessed by setting RAM address C480 to 31 and C481 to 00.

Text Debug

Accessed by selecting メッセージチェック (the 14th option from the top of the list). RAM addresses:

• C740: Cursor position
• C741: オート -- If set to 1, the text index increments after the previous string is printed.
• C742: BANK -- This is an index to a table of ROM banks, starting at ROM offset 0:20A9. The value in the table determines the bank of the text string. This also references a pointer table starting at ROM offset 0:20D8. This value can reach up to 0x1B.
• C743: NOH -- The high byte of the text index.
• C744: NOL -- The low byte of the text index. (These bytes together can be viewed as a 16-bit value.)

To determine the text string being printed:

• Use the BANK value to lookup a table from ROM offset 0:20A9 to determine the ROM bank of the text. For example, if this value is 03, look up the value from 0:20A9 + 03 = 0:20AC. This value in a retail ROM is 79, which is the ROM bank where the text string will be printed.
• For the pointer, a master pointer table exists starting at ROM offset 0:20D8. Use the BANK value and multiply it by 2 to get the pointer. Pointers are little endian. For example, if this value is 03, look up the value from 0:20D8 + 03 * 02 = 0:20DE. The little endian value is at 4000.
• The pointer table for the text therefore starts at 79:4000 (or 1E4000). For the index, the formula is (NOH * 100 + NOL) * 2. For example, if the NOH value is 00, and the NOL value is 02, the pointer is 79:4000 + (00 * 100 + 02) * 02 = 79:4004. For a retail Kabuto ROM, the value for this little endian pointer is 4067, which resolves to ROM offset 79:4067 or 1E4067. For a retail Kuwagata ROM, the value for this little endian pointer is 4077, which resolves to ROM offset 79:4077 or 1E4077.

With this debug feature, banks between 76 to 91 (inclusive) can be accessed.

Any strings that have custom names, such as the player's name or a Medabot's name, appear to ignore what the user entered and use preset strings instead.

Note that there is no safeguard for invalid strings, and a glitched string can cause the game to hang.