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S3M eff X; PT funk repeat

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minjaesong
2026-05-02 02:22:20 +09:00
parent fe59df18f7
commit e317d79a21
4 changed files with 52 additions and 30 deletions
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14
terranmon.txt
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@@ -2026,7 +2026,7 @@ Instrument bin: Registry for 256 instruments, formatted as:
b: use envelope
c: envelope carry
p: use default pan
p: use default pan (see offset 176 "Default pan value" below)
t: the loop must sustain (key-off escapes the loop)
u: set to enable the sustain/loop
@@ -2066,7 +2066,7 @@ Instrument bin: Registry for 256 instruments, formatted as:
* The spec follows FastTracker2, and conversion must be performed when importing from FastTracker2
Uint8 Vibrato sweep
* FastTracker2 instrument config
Uint8 Default pan value (0..255 full range)
Uint8 Default pan value (0..255 full range, see offset 17 for the enable flag)
* ImpulseTracker has samplewise default volume and samplewise global volume, and they must be taken into account because Taud has no samplewise config
Uint16 Pitch-pan centre (4096-TET note value)
Sint8 Pitch-pan separation (-128..127 full range)
@@ -2083,16 +2083,16 @@ Instrument bin: Registry for 256 instruments, formatted as:
* FastTracker2 has range of 0..16; multiply by (255/16) then round to int
Uint8 Vibrato Rate (0..255 full range)
* ImpulseTracker sample config. The spec follows ImpulseTracker precisely
Byte[3] Reserved
Byte[4] Reserved
TODO:
* implement Instrument Flag, Vibrato Depth, Vibrato Rate, other samplewise/instrumentwise changes to it2taud
* implement sample loop sustain
* implement Instrument Flag, Vibrato Depth, Vibrato Rate, other samplewise/instrumentwise changes to it2taud and audio engine
* implement new note action on the audio engine (IT uses "background channels", maybe we can do the same but make "background channels" mixer-private)
* on playback, panning changes randomly on Taud made by s3m2taud.py and mod2taud.py
* implement S6x and S7x command
* implement Vxx (set global volume) and Wxx command (global volume slide)
* implement Wxx command (global volume slide)
* implement sample loop sustain
* Amiga mode freq shift now "underdelivers" (pitch bend not "strong" enough)
* cue and pattern compression of the Taud format (taud_common.py, taud.mjs)
* figure out how IT (8 bits) and FT2 (12 bits) handles volume fadeout numbers, and come up with a compatible Taud spec, then implement