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Taud: equal-energy panning only

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minjaesong
2026-05-08 20:23:46 +09:00
parent 27b0f2e63f
commit ed3bbb6ffe
10 changed files with 63 additions and 103 deletions
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12
mod2taud.py
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@@ -767,13 +767,13 @@ def assemble_taud(mod: dict) -> bytes:
pat_comp = compress_blob(bytes(pat_bin), "pattern bin")
cue_comp = compress_blob(bytes(cue_sheet), "cue sheet")
# ProTracker is Amiga-period-based by definition, so we set the f bit so
# ProTracker is Amiga-period-based by definition, so we set ff=1 (bits 0-1) so
# the engine applies coarse pitch slides in period space (recovers PT's
# characteristic non-linear pitch character).
# bit 2 reserved (was 'm' fadeout-zero policy; removed). PT has no instrument-level
# fadeout, so every Taud instrument carries fadeout=0 ("no fade") — notes retire
# on sample-end or pattern note-cut instead, which matches PT semantics.
flags_byte = 0x02
# characteristic non-linear pitch character). Pan law is fixed to the
# equal-energy engine-wide. PT has no instrument-level fadeout, so every Taud
# instrument carries fadeout=0 ("no fade") — notes retire on sample-end or
# pattern note-cut instead, which matches PT semantics.
flags_byte = 0x01
song_table = encode_song_entry(
song_offset=song_offset,
num_voices=n_channels,