WonderWitch/Memory map: Difference between revisions
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The following documents the official WonderWitch memory map. Note that you are not required to follow these rules to the letter; however, some amount of the beginning of memory is expected to be left to FreyaBIOS, FreyaOS, etc. | |||
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Revision as of 19:20, 19 October 2024
The following documents the official WonderWitch memory map. Note that you are not required to follow these rules to the letter; however, some amount of the beginning of memory is expected to be left to FreyaBIOS, FreyaOS, etc.
| Address | ASCII, 1 screen | ASCII, 2 screens | Shift-JIS, 1 screen | Shift-JIS, 2 screens |
|---|---|---|---|---|
| 0x0000 | Interrupt vectors | |||
| 0x0100 | ? | |||
| 0x0E00 | Sprite table | |||
| 0x1000 | Screen 1 | |||
| 0x1600 | Sprite table | |||
| 0x1800 | Screen 1 | Screen 2 | ||
| 0x2000 | Tile data (512 tiles) | |||
| 0x2600 | Sprite table | |||
| 0x2800 | Screen 2 | |||
| 0x2E00 | Sprite table | |||
| 0x3000 | Screen 1 | |||
| 0x3800 | Tile data (128 tiles) | |||
| 0x4000 | Color tile data; only restored with ResumeIL. | |||
| 0xC000 | Unused; never restored on program suspend/resume. | |||
| 0xFE00 | Color palette data; only restored with ResumeIL. | |||
In all modes, the stack is placed immediately before the sprite table.
