WonderWitch .fx files: Difference between revisions
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[[FreyaOS]] uses [[XMODEM]] transfers to send and receive files through the serial port. These transfers do not include any file metadata by default - such as the file's name, size, permissions or creation date. As such, .fx files are used - binary files with a special 128-byte header<ref>XMODEM transfers are performed in 128-byte blocks; this allows fetching the file's metadata as the first block</ref>. | [[WonderWitch/FreyaOS|FreyaOS]] uses [[XMODEM]] transfers to send and receive files through the serial port. These transfers do not include any file metadata by default - such as the file's name, size, permissions or creation date. As such, .fx files are used - binary files with a special 128-byte header<ref>XMODEM transfers are performed in 128-byte blocks; this allows fetching the file's metadata as the first block</ref>. | ||
== Format == | == Format == | ||
| Line 12: | Line 12: | ||
| $04 || 60 || Padding; typically 0xFF. | | $04 || 60 || Padding; typically 0xFF. | ||
|- | |- | ||
| $40 || | | $40 || 64 || [[WonderWitch/Filesystem|File entry]] (pointers relative to 0000:0000). | ||
|} | |} | ||
Latest revision as of 14:21, 17 October 2024
FreyaOS uses XMODEM transfers to send and receive files through the serial port. These transfers do not include any file metadata by default - such as the file's name, size, permissions or creation date. As such, .fx files are used - binary files with a special 128-byte header[1].
Format
| Offset | Length | Contents |
|---|---|---|
| $00 | 4 | Magic string: #!ws
|
| $04 | 60 | Padding; typically 0xFF. |
| $40 | 64 | File entry (pointers relative to 0000:0000). |
- ↑ XMODEM transfers are performed in 128-byte blocks; this allows fetching the file's metadata as the first block
