furnace/doc/2-interface/settings.md

settings

settings are saved when clicking the OK or Apply buttons at the bottom of the dialog.

General

Program

• Render backend: changing this may help with performace issues.
• Late render clear: this option is only useful when using old versions of Mesa drivers. it force-waits for VBlank by clearing after present, reducing latency.
• Power-saving mode: saves power by lowering the frame rate to 2fps when idle.
  • may cause issues under Mesa drivers!
• Disable threaded input (restart after changing!): processes key presses for note preview on a separate thread (on supported platforms), which reduces latency.
  • however, crashes have been reported when threaded input is on. enable this option if that is the case.
• Enable event delay: may cause issues with high-polling-rate mice when previewing notes.
• Per-channel oscilloscope threads: runs the per-channel oscilloscope in separate threads for a performance boost when there are lots of channels.

File

• Use system file picker: uses native OS file dialog instead of Furnace's.
• Number of recent files: number of files that will be remembered in the open recent... menu.
• Compress when saving: uses zlib to compress saved songs.
• Save unused patterns: stores unused patterns in a saved song.
• Use new pattern format when saving: stores patterns in the new, optimized and smaller format. only disable if you need to work with older versions of Furnace.
• Don't apply compatibility flags when loading .dmf: does exactly what the option says. your .dmf songs may not play correctly after enabled.
• Play after opening song:
  • No
  • Only if already playing
  • Yes
• Audio export loop/fade out time:
  • Set to these values on start-up:
    • Loops: number of additional times to play through 0Bxx song loop.
    • Fade out (seconds): length of fade out after final loop.
  • Remember last values
• Store instrument name in .fui: when enabled, saving an instrument will store its name. this may increase file size.
• Load instrument name from .fui: when enabled, loading an instrument will use the stored name (if present). otherwise, it will use the file name.

New Song

• Initial system: the system of chips loaded on starting Furnace.
  • Current system: sets current chips as default.
  • Randomize: sets default to a random system.
    • this will not choose a random system at each start.
  • Reset to defaults: sets default to "Sega Genesis/Mega Drive".
  • Name: name for the default system. may be set to any text.
  • Configure: same as in the chip manager and mixer.
• When creating new song:
  • Display system preset selector
  • Start with initial system
  • Default author name

Start-up

• Play intro on start-up:
  • No: skips intro entirely.
  • Short: shows silent title screen briefly.
  • Full (short when loading song): shows animated musical intro unless started with a song (command line, double-clicking a .fur file, etc.)
  • Full (always): always shows animated musical intro.
• Disable fade-in during start-up
• About screen party time
  • warning: may cause epileptic seizures.

Behavior

• New instruments are blank: when enabled, adding FM instruments will make them blank (rather than loading the default one).

Audio

Output

• Backend: selects a different backend for audio output.
  • SDL: the default one.
  • JACK: the JACK Audio Connection Kit (low-latency audio server). only appears on Linux, or MacOS compiled with JACK support.
  • PortAudio: this may or may not perform better than the SDL backend.
• Driver: select a different audio driver if you're having problems with the default one.
  • only appears when Backend is SDL.
• Device: audio device for playback.
  • if using PortAudio backend, devices will be prefixed with the audio API that PortAudio is going to use:
    • Windows WASAPI: a modern audio API available on Windows Vista and later, featuring an (optional) Exclusive Mode. be noted that your buffer size setting may be ignored.
    • Windows WDM-KS: low-latency, direct to hardware output mechanism. may not work all the time and prevents your audio device from being used for anything else!
    • Windows DirectSound: this is the worst choice. best to move on.
    • MME: an old audio API. doesn't have Exclusive Mode.
    • Core Audio: the only choice in macOS.
    • ALSA: low-level audio output on Linux. may prevent other applications from using your audio device.
• Sample rate: audio output rate.
  • a lower rate decreases quality and isn't really beneficial.
  • if using PortAudio backend, be careful about this value.
• Outputs: number of audio outputs created, up to 16.
  • only appears when Backend is JACK.
• Channels: mono, stereo or something.
• Buffer size: size of buffer in both samples and milliseconds.
  • setting this to a low value may cause stuttering/glitches in playback (known as "underruns" or "xruns").
  • setting this to a high value increases latency.
• Exclusive mode: enables Exclusive Mode, which may offer latency improvements.
  • only available on WASAPI devices in the PortAudio backend!
• Low-latency mode: reduces latency by running the engine faster than the tick rate. useful for live playback/jam mode.
  • only enable if your buffer size is small (10ms or less).
• Force mono audio: use if you're unable to hear stereo audio (e.g. single speaker or hearing loss in one ear).
• want: displays requested audio configuration.
• got: displays actual audio configuration returned by audio backend.

Mixing

• Quality: selects quality of resampling. low quality reduces CPU load by a small amount.
• Software clipping: clips output to nominal range (-1.0 to 1.0) before passing it to the audio device.
  • this avoids activating Windows' built-in limiter.
  • this option shall be enabled when using PortAudio backend with a DirectSound device.
• DC offset correction: apply a filter to remove DC bias, where the output is overall above or below zero. default is on.

Metronome

• Volume: sets volume of metronome.

Sample preview

• Volume: sets volume of sample preview.

MIDI

MIDI input

• MIDI input: input device.
• Note input: enables note input. disable if you intend to use this device only for binding actions.
• Velocity input: enables velocity input when entering notes in the pattern.
• Map MIDI channels to direct channels: when enabled, notes from MIDI channels will be mapped to channels rather than the cursor position.
• Program change pass-through: when enabled, program change events are sent to each channel as instrument change commands.
  • this option is only available when the previous one is enabled.
• Map Yamaha FM voice data to instruments: when enabled, Furnace will listen for any transmitted Yamaha SysEx patches.
  • this option is only useful if you have a Yamaha FM synthesizer (e.g. TX81Z).
  • selecting a voice or using the "Voice Transmit?" option will send a patch, and Furnace will create a new instrument with its data.
  • this may also be triggered by clicking on "Receive from TX81Z" in the instrument editor (OPZ only).
• Program change is instrument selection: changes the current instrument when a program change event is received.
  • this option is not available when "Program change pass-through" is enabled.
• Value input style: changes the way values are entered when the pattern cursor is not in the Note column. the following styles are available:
  • Disabled/custom: no value input through MIDI.
  • Two octaves (0 is C-4, F is D#5): maps keys in two octaves to single nibble input. the layout is:
  • Raw (note number is value): the note number becomes the input value. not useful if you want to input anything above 7F.
  • Two octaves alternate (lower keys are 0-9, upper keys are A-F): maps keys in two octaves, but with a different layout:
  • Use dual control change (one for each nibble): maps two control change events to the nibbles of a value.
    • CC of upper nibble: select the CC number that will change the upper nibble.
    • CC of lower nibble: select the CC number that will change the lower nibble.
  • Use 14-bit control change: maps two control change events that together form a single 14-bit CC. some MIDI controllers do these.
    • MSB CC: select the CC containing the upper portion of the control.
    • LSB CC: select the CC containing the lower portion of the control.
  • Use single control change: maps one control change event. not useful if you want to input odd numbers.
    • Control: select the CC number that will change the value.
• Per-column control change: when enabled, you can map several control change events to a channel's columns.
• Volume curve: adjust the velocity to volume curve.
  • the default is 2.0, which matches General MIDI standard.
• Actions: this allows you to bind note input and control change events to actions.
  • + button: adds a new action.
  • window-with-arrow button: new action with learning! press a button or move a slider/knob/something on your device.
  • each action has the following:
    • Type: type of event.
    • Channel: channel of event.
    • Note/Control: the note/control change number.
    • Velocity/Value: the velocity or control value
    • Action: the GUI action to perform.
    • Learn: after clicking on this button, do something in your MIDI device and Furnace will map that to this action.
    • Remove: remove this action.

MIDI output

• MIDI output: output device.
• Output mode:
  • Off (use for TX81Z): don't output anything. use if you plan to use Furnace as sync master, or the "Receive from TX81Z" button in the OPZ instrument editor.
  • Melodic: output MIDI events.
• Send Program Change: output program change events when instrument change commands occur.
• Send MIDI clock: output MIDI beat clock.
• Send MIDI timecode: output MIDI timecode.
  • Timecode frame rate: sets the timing standard used for MIDI timecode.
    • Closest to Tick Rate: automatically sets the rate based on the song's Tick Rate.
    • Film (24fps): output at 24 codes per second.
    • PAL (25fps): output at 25 codes per second.
    • NTSC drop (29.97fps): output at ~29.97 codes per second, skipping frames 0 and 1 of each minute that doesn't divide by 10.
    • NTSC non-drop (30fps): output at 30 codes per second.

Emulation

Cores

• Playback Core(s): core(s) to use for playback.
• Render Core(s): core(s) to use when exporting audio.

all of these are covered in the guide to choosing emulation cores.

• PC Speaker strategy: this is covered in the PC speaker page.

Keyboard

Keyboard

• Import
• Export
• Reset defaults

a list of keybinds is displayed.

• click on a keybind. then enter a key or key combination to change it.
• right-click to clear the keybind.
• the full list is in the keyboard page.

note input

the settings for note input keybinds operate differently. each entry in the list of keybinds is made of the following:

• Key: key assignment.
• Type: type of note input. left-click cycles through "Note", "Note off", "Note release", and "Macro release".
  • note: the list is sorted by type. on changing a key's type, it will instantly move to its new sorting position!
• Value: number of semitones above C at the current octave. only appears for note type binds.
• Remove: removes the keybind from the list.

below all the binds, select a key from the dropdown list to add it. it will appear at or near the top of the list as a note with value 0.

Interface

Layout

• Workspace layout
  • Import: reads a .ini layout file.
  • Export: writes current layout to a .ini file.
  • Reset: resets layout to default.
• Allow docking editors: when enabled, you'll be able to dock instrument/wave/sample editors.
• Remember window position: remembers the window's last position on start-up.
• Only allow window movement when clicking on title bar
• Center pop-up windows
• Play/edit controls layout:
  • Classic
  • Compact
  • Compact (vertical)
  • Split
• Position of buttons in Orders:
  • Top
  • Left
  • Right

Mouse

• Double-click time (seconds): maximum time between mouse clicks to recognize them as a double-click.
• Don't raise pattern editor on click
• Focus pattern editor when selecting instrument
• Note preview behavior: allows you to disable note preview when entering notes in the pattern.
  • Never: don't preview notes at all.
  • When cursor is in Note column: only when the cursor is in the Note column
  • When cursor is in Note column or not in edit mode: erm... yeah.
  • Always: always preview notes.
• Allow dragging selection:
  • No: don't allow drag-and-drop.
  • Yes: allow drag-and-drop.
  • Yes (while holding Ctrl only): allow drag-and-drop but only when holding Control (Command on macOS).
• Toggle channel solo on: selects which interactions with a channel header will toggle solo for that channel.
  • Right-click or double click
  • Right-click
  • Double-click
• Double click selects entire column: when enabled, double clicking on a cell of the pattern will select the entire column.

Cursor behavior

• Insert pushes entire channel row: when enabled, pressing Insert will push the entire channel rather than the column at the cursor position.
• Pull delete affects entire channel row: when enabled, pull deleting (Backspace by default) will pull the entire channel rather than the column at the cursor position.
• Push value when overwriting instead of clearing it: in the order list and pattern editors, typing into an already-filled value will shift digits instead of starting fresh. for example:
  • if off: moving the cursor onto the value A5 and typing a "B" results in 0B.
  • if on: moving the cursor onto the value A5 and typing a "B" results in 5B.
• Effect input behavior:
  • Move down: after entering an effect (or effect value), the cursor moves down.
  • Move to effect value (otherwise move down): after entering an effect, the cursor moves to its value. if entering a value, the cursor moves down.
  • Move to effect value/next effect and wrap around: after entering an effect or effect value, the cursor moves right. if it was on the last column, it jumps back to the first effect.
• Delete effect value when deleting effect: if enabled, deleting effect will also delete its value.
• Change current instrument when changing instrument column (absorb): if enabled, typing on the instrument column will also select the instrument you've typed.
• Remove instrument value when inserting note off/release: if enabled, inserting a note off or release on a row that has instrument value will remove the instrument value.
• Remove volume value when inserting note off/release: same as above, but for volume.

Cursor movement

• Wrap horizontally: selects what to do when the cursor hits horizontal boundaries.
  • No: don't wrap the cursor.
  • Yes: wrap the cursor.
  • Yes, and move to next/prev row: wrap the cursor and move it to the other row.
• Wrap vertically: selects what to do when the cursor hits vertical boundaries.
  • No: don't wrap the cursor.
  • Yes: wrap the cursor.
  • Yes, and move to next/prev pattern: wrap the cursor and go to the next/previous order.
  • Yes, and move to next/prev pattern (wrap around): same as the previous option, but also wraps around the song.
• Cursor movement keys behavior: allows you to select how much will the cursor move by when pressing cursor movement keys.
  • Move by one: guess.
  • Move by Edit Step: guess.
• Move cursor by edit step on delete: when deleting, moves the cursor by Edit Step.
• Move cursor by edit step on insert (push): when inserting, moves the cursor by Edit Step.
• Move cursor up on backspace-delete: when pull deleting (Backspace by default), moves cursor up.
• Move cursor to end of clipboard content when pasting: allows you to choose what happens after pasting.
  • if on, the cursor will move to the end of the clipboard content.
  • if off, the cursor won't move.

Scrolling

• Change order when scrolling outside of pattern bounds:
  • No: the pattern edit cursor will stay locked within the current order.
  • Yes: moving the cursor past the edge of the previous or next order will move to that order, but not past the start or end of a song.
  • Yes, and wrap around song: as above, but will wrap from song end to start.
• Cursor follows current order when moving it
  • applies when playback is stopped.
• Don't scroll when moving cursor
• Move cursor with scroll wheel
  • No
  • Yes
  • Inverted

Assets

• Display instrument type menu when adding instrument
  • if turned off, the menu can still be opened by right-clicking the add button.
• Select asset after opening one

Appearance

Scaling

• Automatic UI scaling factor: automatically matches the OS's UI scaling.
• UI scaling factor: only appears if "Automatic UI scaling factor" is off.
• Icon size

Text

• Font renderer: this allows you to select which font renderer library to use. there are two choices:
  • stb_truetype: the original font renderer used in Furnace 0.6 and before.
  • FreeType: this font renderer has support for more font formats and provides more settings. introduced in Furnace 0.6.1.
• Main font: font for the user interface.
• Header font: font for section headers.
• Pattern font font for the pattern view, the order list, and related.
  • if "Custom...", a file path selector will appear.
  • Size: font size.
• Display Japanese characters, Display Chinese (Simplified) characters, Display Chinese (Traditional) characters and Display Korean characters: only toggle these options if you have enough graphics memory.
  • these are a temporary solution until dynamic font atlas is implemented in Dear ImGui.

FreeType-specific settings

• Anti-aliased fonts: when enabled, fonts will be rendered smooth.
• Support bitmap fonts: this option allows you to enable the loading of bitmap fonts.
  • be noted that this may force non-bitmap fonts to undesired sizes!
• Hinting: this option allows you to define how crisp fonts are rendered.
  • Off: disable font hinting. at small sizes, fonts may be blurry.
  • Slight: enable slight font hinting.
  • Normal: enable font hinting.
  • Full: enable harsh font hinting. fonts may look ugly/distorted to some people.
• Auto-hinter: some fonts contain hinting data, but some don't. this allows you to select what happens.
  • Disable: only rely upon font hinting data.
  • Enable: prefer font hinting data if present.
  • Force: ignore font hinting data.

Program

• Title bar:
  • Furnace
  • Song Name - Furnace
  • file_name.fur - Furnace
  • /path/to/file.fur - Furnace
• Display system name on title bar
• Display chip names instead of "multi-system" in title bar
• Export options layout:
  • Sub-menus in File menu: export options appear in the File menu as sub-menus.
  • Modal window with tabs: a single "export..." option that opens a dialog with export options. this is the default.
  • Modal windows with options in File menu: like Sub-menus in File menu, but instead of being sub-menus, selecting one opens a dialog with export settings.
• Status bar:
  • Cursor details
  • File path
  • Cursor details or file path
  • Nothing
• Capitalize menu bar
• Display add/configure/change/remove chip menus in File menu: if enabled, the "manage chips" item in the file menu is split into the four listed items for quick access.

Orders

• Highlight channel at cursor in Orders
• Orders row number format:
  • Decimal
  • Hexadecimal

Pattern

• Center pattern view: centers pattern horizontally in view.
• Overflow pattern highlights
• Display previous/next pattern
• Pattern row number format:
  • Decimal
  • Hexadecimal
• Pattern view labels:
  • Note off (3-char): default is OFF
  • Note release (3-char): default is ===.
  • Macro release (3-char): default is REL.
  • Empty field (3-char): default is ....
  • Empty field (2-char): default is ...
• Pattern view spacing after: number of pixels of space between columns.
  • Note
  • Instrument
  • Volume
  • Effect
  • Effect value
• Single-digit effects for 00-0F
• Use flats instead of sharps
• Use German notation: display B notes as H, and A# notes as B.

Channel

• Channel style: sets the appearance of channel headers in pattern view.
  • Classic
  • Line
  • Round
  • Split button
  • Square border
  • Round border
• Channel volume bar:
  • None
  • Simple
  • Stereo
  • Real
  • Real (stereo)
• Channel feedback style:
  • Off
  • Note
  • Volume
  • Active
• Channel font:
  • Regular
  • Monospace
• Center channel name
• Channel colors:
  • Single
  • Channel type
  • Instrument type
• Channel name colors:
  • Single
  • Channel type
  • Instrument type

Assets

• Unified instrument/wavetable/sample list: combines all three types of assets into one list.
  • the buttons act as appropriate to the currently selected asset or header.
• Horizontal instrument list: when there are more instruments than there is room to display them...
  • if on, scroll horizontally through multiple columns.
  • if off, scroll vertically in one long column.
  • only appears if "Unified instrument/wavetable/sample list" is off.
• Instrument list icon style:
  • None
  • Graphical icons
  • Letter icons
• Colorize instrument editor using instrument type

Macro Editor

• Macro editor layout:
  • Unified
  • Grid
  • Single (with list)
• Use classic macro editor vertical slider

Wave Editor

• Use compact wave editor

FM Editor

• FM parameter names:
  • Friendly
  • Technical
  • Technical (alternate)
• Use standard OPL waveform names
• FM parameter editor layout:
  • Modern
  • Compact (2x2, classic)
  • Compact (1x4)
  • Compact (4x1)
  • Alternate (2x2)
  • Alternate (1x4)
  • Alternate (4x1)
• Position of Sustain in FM editor:
  • Between Decay and Sustain Rate
  • After Release Rate
• Use separate colors for carriers/modulators in FM editor
• Unsigned FM detune values: uses the internal representation of detune values, such that detune amounts of -1, -2, and -3 are shown as 5, 6, and 7.

Statistics

• Chip memory usage unit: unit for displaying memory usage in the Statistics window.
  • Bytes
  • Kilobytes

Oscilloscope

• Rounded corners
• Border
• Mono: displays a single monaural waveform of all sound mixed together.
  • if turned off, waves will be drawn on top of each other for each output channel.
  • all colors are configurable via Settings > Color > Color scheme > Oscilloscope > Wave (non-mono).
• Anti-aliased: smoothes the lines of the waveform.
  • slight performance cost and slightly buggy.
• Fill entire window: removes the gap between the waveform and the edge of the window.
• Waveform goes out of bounds: allows the waveform to draw past the top and bottom of the oscilloscope.

Windows

• Rounded window corners
• Rounded buttons
• Rounded menu corners
• Borders around widgets: draws borders on buttons, checkboxes, text widgets, and the like.

Color

Color scheme

• Import
• Export
• Reset defaults
• Guru mode: exposes all color options (instead of accent colors).
• General
  • Color scheme type:
    • Dark
    • Light
  • Frame shading: applies a gradient effect to buttons and input boxes.
• several more categories...