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49 lines
3.3 KiB
Markdown
49 lines
3.3 KiB
Markdown
# song info
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- **Name**: The track's title.
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- **Author**: List of contributors to a song. If the song is a cover of someone else's track, it's customary to list their name first, followed by `[cv. YourName]`.
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- **Album**: The associated album name, the name of the game the song is from, or whatever.
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- **System**: The game console or computer the track is designed for. This is automatically set when creating a new tune, but it can be changed to anything one wants. The **Auto** button will provide a guess based on the chips in use.
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All of this metadata will be included in a VGM export. This isn't the case for a WAV export, however.
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**Tuning (A-4)**: Set tuning based on the note A-4, which should be 440 in most cases. Opening an Amiga MOD will set it to 436 for hardware compatibility.
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# subsongs
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This window allows one to create **subsongs** - multiple individual songs within a single file. Each song has its own order list and patterns, but all songs within a file share the same chips, samples, and so forth.
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- The drop-down box selects the current subsong.
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- The **`+`** button adds a new subsong.
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- The **`−`** button permanently deletes the current subsong (unless it's the only one).
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- **Name**: Title of the current subsong.
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- The box at the bottom can store any arbitrary text, like a separate "Comments" box for the current subsong.
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# speed
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There are multiple ways to set the tempo of a song.
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**Tick Rate**: The frequency of ticks per second, thus the rate at which notes and effects are processed.
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- All values are allowed for all chips, though most chips have hardware limitations that mean they should stay at either 60 (approximately NTSC) or 50 (exactly PAL).
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- Clicking the Tick Rate button switches to a more traditional **Base Tempo** BPM setting.
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**Speed**: The number of ticks per row.
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- Clicking the "Speed" button changes to more complex modes covered in the [grooves] page.
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**Virtual Tempo**: Simulates any arbitrary tempo without altering the tick rate. It does this by adding or skipping ticks to approximate the tempo. The two numbers represent a ratio applied to the actual tick rate. Example:
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- Set tick rate to 150 BPM (60 Hz) and speed to 6.
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- Set the first virtual tempo number (numerator) to 200.
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- Set the second virtual tempo number (denominator) to 150.
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- The track will play at 200 BPM.
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- The ratio doesn't have to match BPM numbers. Set the numerator to 4 and the denominator to 5, and the virtual BPM becomes 150 × 4/5 = 120.
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**Divider**: Changes the effective tick rate. A tick rate of 60Hz and a divisor of 6 will result in ticks lasting a tenth of a second each!
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**Highlight**: Sets the pattern row highlights:
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- The first value represents the number of rows per beat.
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- The second value represents the number of rows per measure.
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- These don't have to line up with the music's actual beats and measures. Set them as preferred for tracking. _Note:_ These values are used for the metronome and calculating BPM.
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**Pattern Length**: The length of each pattern in rows. This affects all patterns in the song, and every pattern must be the same length. (Individual patterns can be cut short by `0Bxx`, `0Dxx`, and `FFxx` commands.)
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**Song Length**: How many orders are in the order list. Decreasing it will hide the orders at the bottom. Increasing it will restore those orders; increasing it further will add new orders of all `00` patterns.
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