Originally from http://www.castlex.com/modfaq/d.html, now defunct:
|APPENDIX D: Overview of Effects Used in Digital Music Modules|
This section supplied by Jens Puchert.
The following covers all ProTracker and ScreamTracker 3 effects. The effect commands are given for ProTracker first, and then for Scream Tracker. Fast-, Take-, and MultiTracker also use the ProTracker command set. The parameters are given as "x", "xx", or "xy". "x" means there's a single parater for this effect. "xx" means there's a single parameter composed of two digits. "xy" means there are two independent parameters for this effect.
PT effect S3M effect 1. Effects that change the pitch of the currently playing note * Arpeggio 0xy Jxy * Portamento Up/Down 1xx/2xx Fxx/Exx * Fine Portamento Up/Down E1x/E2x FFx/EFx * Extra Fine Portamento Up/Down - FEx/EEx * Portamento To Note 3xx Gxx * Vibrato 4xy Hxy 2. Effects that change the volume or pan position of one or more channels * Set Volume Cxx [vol. column] * Volume Slide Axy Dxy * Fine Volume Up/Down EAx/EBx DxF/DFx * Set Global Volume - Vxy * Set Panning (finesteps) 8xx Xxx * Set Panning E8x S8x * Stereo Control - SAx * Tremolo 7xy Rxy * Tremor - Ixy 3. Effects to influence flow control and speed * Set Speed Fxx (x < 20h) Axx * Set Tempo Fxx (x > 1Fh) Txx * Pattern Break Dxx Cxx * Pattern Jump Bxx Bxx * Pattern Loop E6x SBx * Pattern Delay EEx SEx 4. Miscellaneous effects to influence playback of a single note * Set Finetune E5x S2x * Sample Offset 9xx Oxx * Regrigger Note E9x Q0x * Cut Note ECx SCx * Note Delay EDx SDx * Invert Loop EFx SFx 5. Miscellaneous effects to set global variables * Set Filter E0x S0x * Glissando Control E3x S1x * Vibrato Waveform E4x S3x * Tremolo Waveform E7x S4x 6. Combinations of other effects * Portamento + Volume Slide 5xy Lxy * Vibrato + Volume Slide 6xy Kxy * Retrigger + Volume Slide - Qxy