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Monopoly (NES)/RAM map
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The following article is a RAM map for Monopoly (NES).Table
RAM Address Information 0x0000 Input register 0x000F-0015 Controls CPU action (players 8-1) 0x001D Purpose unknown; freezes game while altered 0x001E-0025 Appears to be function pointers; game becomes very unstable and will likely crash if altered 0x0027 Internal timer 0x0029 Game palette 0x002C/002D Unknown; appears to be linked to game state 0x002E/002F Background Y/X position 0x003C Current player 0x003D Current token's location on the board 0x003E Current player's Jail flag/turn counter 0x0045 Audio offset for recording 0x0048 Recording playback timer (counts up) 0x004F ID of current deed 0x006C-006F Game timer (hours/timer status, 10s of minutes, 1s of minutes, seconds, frames) 0x0070 Demo flag 0x0071 Flag for continuing music on return to title screen 0x00F6-00FB Appears to be sprite-related variables 0x0100-01FF Stack memory 0x0200-02FF Sprite table 0x0300/0301 First/second die number 0x0305 Active token ID 0x0306 Token movement counter (counts remaining spaces to move) 0x0322 Player count 0x0323 Token bitmask (used to mark tokens as selected) 0x0324-032B List of player token locations 0x032C-0333 Remaining player flags 0x033C-0343 Human/computer player flags 0x0344-034B Player token IDs 0x034C-038B Player name table 0x0394-039B Player name length 0x039D-03C4 Board status variables Bit no. Status controlled 7 Owned by player 6 Mortgaged/unmortgaged 3-5 Rent status 0-2 Player owning property 0x03C5-03EC Player money table (10000s, 1000s, 100s, 10s, and 1s for each player) 0x0416 Animation timer 0x041B Debt reason 0x0422-0426 Rent amount in payment message 0x042C-0433 Stored Jail flags/turn counters 0x0437 Selected submenu option 0x0438 Menu return location 0x0439 Menu message ID 0x0441 Player menu ID 0x0442 Selected player discernment menu option 0x0443 Selected side of player discernment menu 0x044A Stored last-viewed deed ID 0x044D-0451 Amount paid/received (used for menu message) 0x0452-0456 Last modified cash amount during trade 0x0466 Sufficient houses/hotels flag 0x0468/0469 Remaining houses/hotels 0x0472/0473 Chance card ID/next Chance card ID 0x0482/0483 Community Chest card ID/next Community Chest card ID 0x0492 Chance/Community Chest card determinant (card ID offset) 0x0495 Utility "roll for rent" flag 0x049F Bankrupted player ID 0x04A8 Number of queued bankrupt players 0x04A9-04D0 Board auction flags 0x04D3 Property being auctioned 0x04D5-04D9 Next bid price 0x04DC-04E0 Current bid 0x04E1 ID of player placing current bid 0x04E5 Auction sub-timer 0x04E6 Auction timer 0x04EA Last-played music ID 0x04EB Number of queued sound effects (immediate playback) 0x04EC-0503 Sound effect queue 0x0525 Selected trade menu button 0x0529-0550 Property offered flags/ID of player owning property 0x055C/055D Number of offered properties (player 1/2) 0x055E/055F Page number (offered property list, player 1/2) 0x0566-056A Offered cash amount for trade (first player) 0x056B-056F Offered cash amount for trade (second player) 0x0583 Chance/Community Chest card animation offset 0x058A Leaving Jail animation start flag 0x058B Leaving Jail animation timer 0x058C Leaving Jail animation status flag 0x0597-059E Bankruptcy queue (read backwards) 0x05D6-05DA Remaining rent to count during animation (10000s, 1000s, 100s, 10s, 1s) 0x05E2 Bill animation timer 0x05E3 Cash register/Capitol building animation timer 0x05E4 Number of bills on screen 0x05ED CPU action delay timer 0x05F0 CPU wait timer 0x0640 Counteroffer/deny trade flag 0x064E Button to select (CPU trade) 0x0654 Trade turn counter 0x0671 House/hotel building animation ID 0x0672 House/hotel building animation progress (counts up after each hammer strike) 0x0675 Selected timer menu option 0x068D/068E ID of music/sound effect to start (FF if none) 0x06A0-078F Seems to be data related to the sound engine 0x0797, 07A4, 07B1 Controls pitch of bid placement sound effect (channels 1, 2, 3) 0x07BD Selected option in current menu 0x07BF Selected player menu option Internal Data for Monopoly
