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furnace/papers/doc/3-pattern/effects.md
tildearrow 2c528c9ca8 OPN: add LFO speed macro 
issue #927
2023-01-16 16:10:34 -05:00

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# effect list
most of the effect numbers are from ProTracker/FastTracker 2.
however, effects are continuous, which means you only need to type it once and then stop it with an effect value of `00`.
- `00xy`: arpeggio. after using this effect the channel will rapidly switch between `note`, `note+x` and `note+y`.
- `01xx`: slide up.
- `02xx`: slide down.
- `03xx`: note portamento.
- a note must be present for this effect to work.
- `04xy`: vibrato. `x` is the speed, while `y` is the depth.
- maximum vibrato depth is ±1 semitone.
- `07xy`: tremolo. `x` is the speed, while `y` is the depth.
- maximum tremolo depth is -60 volume steps.
- `08xy`: set panning. `x` is the left channel and `y` is the right one.
- not all chips support this effect.
- `80xx`: set panning (linear). this effect behaves more like other trackers:
- `00` is left.
- `80` is center.
- `FF` is right.
- not all chips support this effect.
- `81xx`: set volume of left channel (from `00` to `FF`).
- not all chips support this effect.
- `82xx`: set volume of right channel (from `00` to `FF`).
- not all chips support this effect.
- `09xx`: set speed 1.
- `0Axy`: volume slide.
- if `x` is 0 then this is a slide down.
- if `y` is 0 then this is a slide up.
- `0Bxx`: jump to pattern.
- `0Cxx`: retrigger note every `xx` ticks.
- this effect is not continuous.
- `0Dxx`: jump to next pattern.
- `0Fxx`: set speed 2.
- `9xxx`: set sample position to `xxx`\*0x100.
- not all chips support this effect.
- `Cxxx`: change song Hz.
- `xxx` may be from `000` to `3ff`.
- `E0xx`: set arpeggio tick.
- this sets the number of ticks between arpeggio values.
- `E1xy`: note slide up. `x` is the speed, while `y` is how many semitones to slide up.
- `E2xy`: note slide down. `x` is the speed, while `y` is how many semitones to slide down.
- `E3xx`: set vibrato direction. `xx` may be one of the following:
- `00`: up and down.
- `01`: up only.
- `02`: down only.
- `E4xx`: set vibrato range in 1/16th of a semitone.
- `E5xx`: set pitch. `80` is 0 cents.
- range is ±1 semitone.
- `EAxx`: toggle legato.
- `EBxx`: set sample bank.
- does not apply on Amiga.
- `ECxx`: note off after `xx` ticks.
- `EDxx`: delay note by `xx` ticks.
- `EExx`: send external command.
- this effect is currently incomplete.
- `EFxx`: add or subtract global pitch.
- this effect is rather weird. use with caution.
- `80` is center.
- `F0xx`: change song Hz by BPM value.
- `F1xx`: single tick slide up.
- `F2xx`: single tick slide down.
- `F3xx`: fine volume slide up (64x slower than `0Axy`).
- `F4xx`: fine volume slide down (64x slower than `0Axy`).
- `F5xx`: disable macro.
- see macro table at the end of this document for possible values.
- `F6xx`: enable macro.
- `F8xx`: single tick volume slide up.
- `F9xx`: single tick volume slide down.
- `FAxy`: fast volume slide (4x faster than `0Axy`).
- if `x` is 0 then this is a slide down.
- if `y` is 0 then this is a slide up.
- `FFxx`: end of song/stop playback.
additionally each chip has its own effects. [click here for more details](../7-systems/README.md).
## macro table
ID | macro
---|-----------------------------
00 | volume
01 | arpeggio
02 | duty/noise
03 | waveform
04 | pitch
05 | extra 1
06 | extra 2
07 | extra 3
08 | extra A (ALG)
09 | extra B (FM)
0A | extra C (FMS)
0B | extra D (AMS)
0C | panning left
0D | panning right
0E | phase reset
0F | extra 4
10 | extra 5
11 | extra 6
12 | extra 7
13 | extra 8
---|-----------------------------
20 | **operator 1 macros** - AM
21 | AR
22 | DR
23 | MULT
24 | RR
25 | SL
26 | TL
27 | DT2
28 | RS
29 | DT
2A | D2R
2B | SSG-EG
2C | DAM
2D | DVB
2E | EGT
2F | KSL
30 | SUS
31 | VIB
32 | WS
33 | KSR
---|-----------------------------
40 | operator 2 macros
60 | operator 2 macros
80 | operator 2 macros
the interpretation of duty, wave and extra macros depends on chip/instrument type:
ex | FM | OPM | OPZ | OPLL | AY-3-8910 | AY8930 | Lynx | C64 | SAA1099 | X1-010 | Namco 163 | FDS | Sound Unit | ES5506 | MSM6258 | QSound | SNES | MSM5232 |
---|--------|-----------|-----------|-------|------------|------------|----------|------------|----------|------------|------------|-----------|------------|-----------|----------|--------------|-----------|-----------|
D | NoiseF | NoiseFreq | | | NoiseFreq | NoiseFreq | Duty/Int | Duty | | | Wave Pos | | Duty | Filt Mode | FreqDiv | Echo Level | NoiseFreq | GroupCtrl |
W | | LFO Shape | LFO Shape | Patch | Waveform | Waveform | | Waveform | Waveform | Waveform | Waveform | Waveform | Waveform | | | | Waveform | |
1 | | AMD | AMD | | | Duty | | FilterMode | Envelope | EnvMode | WaveLen | Mod Depth | Cutoff | Filter K1 | ClockDiv | EchoFeedback | Special | GroupAtk |
2 | | PMD | PMD | | Envelope | Envelope | | Resonance | | Envelope | WaveUpdate | Mod Speed | Resonance | Filter K2 | | Echo Length | Gain | GroupDec |
3 | LFOSpd | LFO Speed | LFO Speed | | AutoEnvNum | AutoEnvNum | | Special | | AutoEnvNum | WaveLoad W | | Control | Env Count | | | | Noise |
A | ALG | ALG | ALG | | AutoEnvDen | AutoEnvDen | | | | AutoEnvDen | WaveLoad P | | | Control | | | | |
B | FB | FB | FB | | | Noise AND | | | | | WaveLoad L | | | | | | | |
C | FMS | FMS | FMS | | | Noise OR | | | | | WaveLoad T | | | | | | | |
D | AMS | AMS | AMS | | | | | | | | | | | | | | | |
4 | OpMask | OpMask | | | | | | Test/Gate | | | | | PResetTime | EnvRampL | | | | |
5 | | | AMD2 | | | | | | | | | | | EnvRampR | | | | |
6 | | | PMD2 | | | | | | | | | | | EnvRampK1 | | | | |
7 | | | LFO2Speed | | | | | | | | | | | EnvRampK2 | | | | |
8 | | | LFO2Shape | | | | | | | | | | | Env Mode | | | | |
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