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Donkey Kong (NES)/RAM map
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The following article is a RAM map for Donkey Kong (NES).
| RAM | Purpose |
| 010 | Local copy of PPU register 2000 |
| 011 | Local copy of PPU register 2001 |
| 012 | Horizontal Scroll Offset |
| 013 | Vertical Scroll Offset |
| 014 | Current Buttons Pressed |
| 015 | Current Buttons Pressed Excluding Jump Button |
| 021-023 | 6 digit Top Score using BCD (4bits per digit) |
| 025-027 | 6 digit 1P Score using BCD (4bits per digit) |
| 029-02B | 6 digit 2P Score using BCD (4bits per digit) |
| 02E-02F | 4 digit time remaining using BCD (4bits per digit) |
| 034 | Timer for Kong's arm animation |
| 036 | Timer for when Kong Reaches from the left to the center |
| 037 | Timer for when Kong either drops barrel or goes from center to right |
| 038 | Timer for Oil Barrel Flame animation |
| 039 | Timer for princess animation |
| 03F | Hammer time remaining |
| 044 | Slow Timer that starts Demo Mode |
| 050 | Stores which option was selected on the title screen (00-03) |
| 051 | How many players: 18-1P, 1C-2P |
| 052 | Which player's turn it is: 00-1P, 01-2P |
| 053 | Which Zone you're on (1-3) |
| 054 | Number of times Zone 3 has been completed. Appears under the (L) |
| 055 | Marios remaining |
| 056 | Current direction button pressed |
| 057 | Last direction button pressed |
| 058 | 01 While in Demo Mode |
| 096 | Mario's Satus: 01-Hor, 02-Ver, 04-Jump, 08-Falling, 0A-Has Mallet, FF-Dead |
| 0C1-0C8 | In Zone 3: 00-Beam Joint still there, 01-Beam Joint has been broken(moved over) |
| 0F7-0F8 | Pointer that holds address to music file |
| 100-1FF | CPU Stack |
| 200-2FF | Sprite Ram that is transferred via DMA every NMI |
| 330 | Offset for the current Name Table Update variable below |
| 331-33F | Stores the pending changes to update the Name Table |
| 400 | Zone number for player 1 |
| 401 | Zone number for player 2 |
| 402 | Level number for player 1 |
| 403 | Level number for player 2 |
| 404 | Player 1 Marios remaining |
| 405 | Player 2 Marios remaining |
| 406 | Player 1 game over: 00-False, 01-True |
| 407 | Player 2 game over: 00-False, 01-True |
| 43E | How many pixels Mario moves up each step of his jump.
Note: If you increase this and jump you will fall to your death unless you got to a platform above |
| 50C | How many times demo Mario moves a direction |
| 50D | Which way demo Mario will move |
| 50E | Index in the array of demo movements |
 | This page is rather stubbly and could use some expansion. Are you a bad enough dude to rescue this article? |