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EarthBound Zero/RAM map
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The following article is a RAM map for EarthBound Zero.
RAM
RAM | Purpose |
---|---|
0x0006 | Part of an instruction for "copy protection". $E5 on checksum failure. $00 to bypass. "Correct"/non-hack value unknown. |
0x0015 | Used for assigning area to objects? |
0x0060 | HP target value for stat increase during level up |
0x0611 | Looks like the first EXP byte, but changing it even mid-battle will result in insta-death. Anti-cheat? |
0x0818-B | The X and Y coordinates, stored strangely; see below |
Coordinates
The coordinates in RAM to not correspond to coordinates in the rest of the game. To convert it, run this Python code (in this example, bytes $818-B are `80 19 C0 2D`):
# replace with the values from the RAM ram_x = 0x1980 ram_y = 0x2dc0 real_x = ((byte1 << 8) | (byte0 & 0xC0)) >> 2 real_y = ((byte3 << 8) | (byte2 & 0xC0) - 0x2000) >> 2
SRAM (save data)
This uses a checksum that is not figured out yet, so you can only edit it by using a save RAM editor on a live game.
- 0000-13FF: Unknown
- 1400-1403: Unknown
- 1404-1407: Position
- 1408-140F: Unknown
- 1410-1411: Current money
- 1412-1414: Money in bank
- 1415-141F: Unknown
- 1420-1430: Your name (the player name, not Ninten's name)
- 1431-1688: Unknown
- 1689-1983: Favorite food name
- 1984-16AF: Unknown
- 16B0-16CF: Items in storage
- 16D0-1FF0: Other
Internal Data for EarthBound Zero
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