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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
xm2taud.py
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@@ -1425,11 +1425,13 @@ def assemble_taud(h: XMHeader, patterns: list, instruments: list) -> bytes:
cue_comp = compress_blob(bytes(sheet), "cue sheet")
# Flags byte:
# bit 1 (f) = Amiga pitch-slide mode (set when XM uses Amiga period table).
# bit 2 = reserved (was 'm' fadeout-zero policy; removed). XM fadeout values are
# now scaled per-instrument above (÷32 with round-to-nearest), so the
# engine sees Taud-native units and uses its single divisor of 1024.
flags_byte = (0x00 if h.linear_freq else 0x02)
# bits 0-1 (ff) = tone mode. ff=1 (Amiga period slides) when XM uses the Amiga
# period table; ff=0 otherwise. Pan law is fixed engine-wide to
# the equal-energy — no `p` bit any more.
# bit 2 = reserved (was 'm' fadeout-zero policy; removed). XM fadeout values
# are now scaled per-instrument above (÷32 with round-to-nearest), so
# the engine sees Taud-native units and uses its single divisor of 1024.
flags_byte = (0x00 if h.linear_freq else 0x01)
song_table = encode_song_entry(
song_offset=song_offset,
num_voices=C,