Command reference

Phrase FX1 and FX2, and the three Table command columns, use the same command list. A parameter is four hexadecimal nibbles, shown below as aabb, abcd, or dashes for unused digits. A command that the current player context or instrument does not implement has no effect.

Command	Parameter	Applies to	Implemented behavior
---	----	All	No command
ARP	abcd	Sample	Cycle the original note and up to four relative-pitch offsets from a–d
CSH	aa-b	Sample	Set drive from aa and bit-crush from low nibble b; a zero component leaves that component unchanged
DLY	---b	Phrase note	Delay the note start by b + 1 ticks
FCT	aabb	Sample	Ramp filter cutoff toward bb at speed aa
FLT	aabb	Sample	Set cutoff aa and resonance bb immediately
FRS	aabb	Sample	Ramp filter resonance toward bb at speed aa
GOF	----	SID, OPAL	Turn the synth gate off
GRV	aabb	Player, Table	Select groove bb; in a Phrase, nonzero aa applies it to all tracks, while a Table uses its local groove
HOP	aabb	Phrase, Table	In a Phrase, jump to step b when that next step is reached; in a Table, jump to b and use aa as the repeat count
IRT	--bb	Table	Retrigger the current instrument with signed 8-bit semitone offset bb
KIL	--bb	Player, Table	Stop the active voice after bb ticks
LEG	aabb	Sample, MIDI	Slide toward pitch target bb at speed aa; MIDI uses its curved pitch-bend path
LOF	aaaa	Sample	Shift loop start and end together by the signed offset, within sample bounds
MCC	aabb	MIDI	Send Control Change number aa with value bb; both become 7-bit MIDI values
MCH	abcd	MIDI	Add four scale-aware chord offsets; a zero nibble omits that added note
MPC	--bb	MIDI	Send Program Change bb as a 7-bit value
PAN	aabb	Sample	Ramp pan toward bb at speed aa; 00 is right in the current engine
PFT	aabb	Sample	Fine-tune toward bb at speed aa, over approximately ±1 semitone
POF	aabb	Sample	If aa is nonzero, jump to absolute fraction aa/256, then add signed relative fraction bb/256; position wraps
PSL	aabb	Sample, MIDI	Slide toward pitch target bb at speed aa; MIDI uses its linear pitch-bend path
RTG	aabb	Sample, MIDI	Retrigger every bb ticks; Sample advances by offset aa per repeat, while MIDI ignores aa
STP	----	Table	Stop the current Table playback
TBL	--bb	Player	Start Table 00–1F for the current track
TPO	aabb	Player	Set tempo from 16-bit hexadecimal aabb, clamped to 60–400 BPM (003C–0190)
VEL	--bb	MIDI	Set following MIDI Note On velocity, limited to 00–7F
VOL	aabb	Sample, MIDI	Sample ramps volume toward bb at speed aa; MIDI sends CC 7 from bb/2 and ignores aa

Editing command fields

Left and Right move between a command mnemonic and its parameter field. Changing a mnemonic updates the help text for that command. Hold Enter on a parameter to address and adjust an individual hexadecimal digit.

Parameters are hexadecimal even when their musical meaning is a decimal count. For example, TPO 0078 is 120 BPM and KIL --0C is 12 ticks.

Context details

• Phrase commands are evaluated with the Phrase note on the same step. DLY therefore affects note start timing rather than delaying the command row.
• Table columns advance independently. HOP and STP operate on Table playback state, while instrument commands are forwarded to the instrument.
• GRV in a Table masks the selected groove to the available 00–1F range.
• IRT interprets 80–FF as negative offsets. For example, FF is −1 semitone.
• Pitch targets and speeds preserve the historical tracker command encoding; they are not MIDI cents or milliseconds.