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taut: better channel sim; s3m converter S8x->PanEff

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minjaesong
2026-04-27 02:25:23 +09:00
parent b44d9c6b68
commit 76011d4fa9
3 changed files with 110 additions and 15 deletions
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7
s3m2taud.py
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@@ -19,7 +19,8 @@ Effect support:
Cxx is BCD-decoded. K/L are split into H $0000 / G $0000 + volume-column
slide. M/N/X/P fold into volume / pan columns. W (global vol slide) is
dropped with a -v warning. X converts to pan column. Y (panbrello) converts
to Taud Y. S5 selects the panbrello LFO waveform.
to Taud Y. S5 selects the panbrello LFO waveform. S8x converts to a pan
column SET of round(x * 4.2), mapping nibble 0-15 directly to pan 0-63.
"""
import argparse
@@ -446,8 +447,8 @@ def encode_effect(cmd: int, arg: int, ch: int = 0, row: int = 0) -> tuple:
# Panbrello LFO waveform — maps directly to Taud S$5x00.
return (TOP_S, 0x5000 | (val << 8), None, None)
if sub == 0x8:
# Coarse pan: nibble-repeat into Taud's S $80xx full-8-bit pan.
return (TOP_S, 0x8000 | (val * 0x11), None, None)
# S8x → PanEff 0.yy where yy = round(x * 4.2), mapping nibble 0-15 to pan 0-63.
return (TOP_NONE, 0, None, (SEL_SET, round(val * 4.2)))
# S0/S6/S7/S9/SA: filter, NNA, sound-control, stereo — drop silently.
return (TOP_NONE, 0, None, None)