EarthBound/RAM map

The following article is a RAM map for EarthBound.

WRAM

Active Palettes

• 000200 to 00023F (000040) = Current text palette
• 000240 to 0002FF (0000C0) = Current map palette
• 000300 to 00039F (0000A0) = Unclassified data
• 0003A0 to 0003BF (000020) = Current party palette
• 0003C0 to 0003DF (000020) = Current NPC palette (humans?)
• 0003E0 to 0003FF (000020) = Current NPC palette (nonhumans?)

Miscellaneous

• 005D62 to 005D63 (000002) = Current TPT entry
• 005D64 to 005D9F (00003C) = Unclassified data
• 005DA0 to 005DA1 (000002) = If nonzero, causes mashroomization walking-direction-jumbling.

Windows and text

• 008650 to 0088DF (000290) = Window statistics table
• 0088E0 to 0088E3 (000004) = Unclassified data
• 0088E4 to 008957 (000074) = Window existence table
• 008958 to 008958 (000001) = Current window with focus (what values does this use?)
• 008959 to 009642 (000CF0) = Unclassified data
• 009643 to 009644 (000002) = 0x00 outside of battle, 0x01 in battle (if nonzero, treat like 0x01)
• 009645 to 009645 (000001) = Locks button input during text parsing if 01 (used by 1F 50 and 1F 51)
• 009646 to 00964C (000007) = Unclassified data
• 00964D to 00964D (000001) = 0x00 = Blinking triangle prompt, nonzero = Absence of this prompt
• 00964E to 0096C4 (000077) = Unclassified data
• 0096C5 to 0096C7 (000002) = Current text parser location
• 0096C8 to 0097B9 (0000F2) = Unclassified data
• 0097BA to 0097CA (000011) = Memory used by control code parser

Player data

• 0097F5 to 009800 (00000C) = First twelve letters of player name with spaces (0x50) replaced with K (0x7B). Purpose unknown.
• 009801 to 009818 (000018) = Player name
• 009819 to 00981E (000006) = Pet's name
• 00981F to 009824 (000006) = Favourite food
• 009825 to 009828 (000004) = "PSI "
• 009829 to 00982E (000006) = Favourite thing
• 00982F to 009830 (000002) = " " and 0x00, used with favourite thing text stuff
• 009831 to 009834 (000004) = Money on hand
• 009835 to 009838 (000004) = Money in ATM
• 009839 to 009839 (000001) = Learned PSI
• 00983A to 00983F (000006) = Unclassified data
• 009840 to 009840 (000001) = Status (00 = Normal, 01 = Burnt, 03 = Skip Sandwich)
• 009841 to 00984A (00000A) = Unclassified data
• 00984B to 00986E (000024) = Escargo Express stored items
• 00986F to 009876 (000008) = Unclassified data
• 009877 to 009878 (000002) = Party leader X coordinate
• 009879 to 00987A (000002) = Unclassified data
• 00987B to 00987C (000002) = Party leader Y coordinate
• 00987D to 00987E (000002) = Unclassified data
• 00987F to 00987F (000001) = Direction Ness is facing
• 009880 to 009882 (000003) = Unclassified data
• 009883 to 009883 (000001) = Party movement style
• 009884 to 00988A (000007) = Unclassified data
• 00988B to 009891 (000007) = Current party members
• 009892 to 009895 (000004) = Current player-controlled party members
• 009896 to 0098A2 (00000D) = Unclassified data
• 0098A3 to 0098A3 (000001) = Number of party members
• 0098A4 to 0098A4 (000001) = Number of player controlled party members
• 0098A5 to 0098B0 (00000C) = Unclassified data
• 0098B1 to 0098B1 (000001) = Auto Fight toggle (00 = Off, 01 = On)
• 0098B2 to 0098B5 (000004) = Exit Mouse coordinates, stored when 1F 68 is used
• 0098B6 to 0098B6 (000001) = Text speed (1 = Fast, 2 = Medium, 3 = Slow)
• 0098B7 to 0098B7 (000001) = Sound setting (1 = Stereo, 2 = Mono)
• 0098B8 to 0099CD (000116) = Unclassified data
• 0099CE to 009B49 (00017C) = Character stats table

Miscellaneous

• 009E54 to 009E55 (000002) = Timer for Dad's phone calls
• 00A21C to 00A??? (000???) = Enemies in battle table
• 00AA10 to 00AA11 (000002) = Item to be received at the end of battle (High byte unused)
• 00B4A1 to 00B4A1 (000001) = Current selected save slot (1-3)
• 00B549 to 00B549 (000001) = Sector boundary behavior