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Chip 'n Dale Rescue Rangers/RAM map
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The following article is a RAM map for Chip 'n Dale Rescue Rangers.
Zero Page
Address | Entry size | # of entries | Description | Notes |
$10 | 1 byte | 1 | ||
$4D | 1 byte | 1 | Current object slot | |
$54 | 1 byte | 2 | Chip/Dale action |
|
$5E | 1 byte | 2 | Chip/Dale invincibility timer | |
$95 | 1 byte | 1 | ||
$E4 | 1 byte | 4 | Fibonacci LFSR | Used for (& altered by) random events |
Object Data
Address | Entry size | # of entries | Description | Notes |
$0400 | 1 byte | 16 | Sprite flags |
|
$0410 | 1 byte | 16 | Animation frame # | |
$0420 | 1 byte | 16 | Animation ID | List of IDs |
$0430 | 1 byte | 16 | Animation counter | |
$0440 | 1 byte | 16 | ||
$0450 | 1 byte | 16 | ||
$0460 | 1 byte | 16 | Y-position low (subpixels) | |
$0470 | 1 byte | 16 | X-position low (subpixels) | |
$0480 | 1 byte | 16 | ||
$0490 | 1 byte | 16 | Counter | Use varies depending on object |
$04D0 | 1 byte | 16 | Status flags |
|
$04E0 | 1 byte | 16 | Action ID | |
$04F0 | 1 byte | 16 | X-position mid (pixels) | |
$0500 | 1 byte | 16 | X-position high (screen sections) | |
$0510 | 1 byte | 16 | ||
$0520 | 1 byte | 16 | ||
$0530 | 1 byte | 16 | X-speed low (subpixels/frame) | |
$0540 | 1 byte | 16 | X-speed high (pixels/frame) | |
$0550 | 1 byte | 16 | Y-speed low (subpixels/frame) | |
$0560 | 1 byte | 16 | Y-speed high (pixels/frame) | |
$0570 | 1 byte | 16 | Other flags |
|
$0580 | 1 byte | 16 |