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Impl Taud L/K xy00; IT Mxx Nxx Pxx

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minjaesong
2026-05-08 14:27:31 +09:00
parent e49140902b
commit d706f27e18
9 changed files with 296 additions and 45 deletions
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15
xm2taud.py
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@@ -490,12 +490,19 @@ def encode_effect_xm(cmd: int, arg: int, ch: int = 0, row: int = 0,
return (TOP_H, ((hi * 0x11) << 8) | (lo * 0x11), None, None)
if cmd == 0x05:
# Tone porta + vol slide → Taud L (G + d_arg vol slide override).
return (TOP_G, 0x0000, d_arg_to_col(arg), None)
# Tone porta + vol slide → Taud L verbatim. The XM source byte goes
# straight into L's high byte; the engine handles the combined
# porta-continuation + vol-slide semantics natively (see
# TAUD_NOTE_EFFECTS.md §L). XM's 500 (arg = 0) recall is honoured by
# Taud's L $0000 recall against L's own private memory, so a 500 row
# plays the previously emitted slide rate. This avoids the volume-
# column collision that the H+vol-col split form caused on rows
# already carrying a vol-column SET.
return (TOP_L, (arg & 0xFF) << 8, None, None)
if cmd == 0x06:
# Vibrato + vol slide → Taud K (H + d_arg vol slide override).
return (TOP_H, 0x0000, d_arg_to_col(arg), None)
# Vibrato + vol slide → Taud K verbatim (same rationale as 0x05).
return (TOP_K, (arg & 0xFF) << 8, None, None)
if cmd == 0x07:
hi = (arg >> 4) & 0xF