Commander Keen 1-3 Score format
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Commander Keen 1-3 Score format
| Format type | Configuration |
|---|---|
| Storing | Score, items |
| Games |
Commander Keen 1-3's high scores are stored in the file SCORES.CKX The files are 204 bytes long. There are seven entries, divided up into sections stored sequentially.
| Offset | Length (bytes) | Name | Description |
|---|---|---|---|
| 0 | 28 | Scores | The scores fore each entry; each entry gets four bytes. The game usually orders these from smallest to largest, but this doesn't always have to be the case. |
| 28 | 56 | Items | For Keen 1, whether Keen got the joystick, battery, etc; each entry is two bytes long, a value of 1 being yes. |
| 84 | 14 | Cities | For Keen 2, how many cities Keen has saved, each entry is two bytes. Values between 0-8 |
| 98 | 14 | Blank? | Doesn't seemed to be used by Keen, 7 2-byte entries. |
| 112 | 91 | Names | Entry names, each 13 bytes long, including terminator. The game limits names to 8 letters. |
| 203 | 1 | End | File terminator. |
Notes
This format has been reverse engineered several times, always by the Commander Keen 1-3 modding community.
The default scores are stored internally and a score file created if one is not present at startup. The default scores are 'Yorpy' 'Gargile' and 'Zzapp!'