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diff --git a/tests/test_parser_detailed.py b/tests/test_parser_detailed.py
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+"""Detailed parser tests for ppmck and pyxel modes."""
+
+from mml_composemusic_mcp.ir import (
+ DutyEvent,
+ EnvelopeEvent,
+ NoteEvent,
+)
+from mml_composemusic_mcp.lexer import tokenize
+from mml_composemusic_mcp.parser_ppmck import parse_ppmck
+from mml_composemusic_mcp.parser_pyxel import parse_pyxel
+
+# --- Channel assignment ---
+
+
+def test_ppmck_channel_assignment():
+ source = "A t120 l4 o4\n c\nB o4\n d\nT o3\n e\nN v10\n r"
+ tokens = tokenize(source, "ppmck")
+ ns, errors = parse_ppmck(source, tokens)
+ assert not any(e.severity == "error" for e in errors)
+ assert ns.channels["Pulse1"].events
+ assert ns.channels["Pulse2"].events
+ assert ns.channels["Triangle"].events
+ assert ns.channels["Noise"].events
+
+
+def test_pyxel_channel_assignment():
+ source = "0: T120 L4 O4\n C\n1: O4\n D\n2: O3\n E\n3: V80\n R"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ assert not any(e.severity == "error" for e in errors)
+ assert ns.channels["Pulse1"].events
+ assert ns.channels["Pulse2"].events
+ assert ns.channels["Triangle"].events
+ assert ns.channels["Noise"].events
+
+
+# --- Duty ---
+
+
+def test_ppmck_duty_q():
+ source = "A t120 l4 o4 q3\n c"
+ tokens = tokenize(source, "ppmck")
+ ns, errors = parse_ppmck(source, tokens)
+ duties = [e for e in ns.channels["Pulse1"].events if isinstance(e, DutyEvent)]
+ assert duties and duties[0].value == 3
+
+
+def test_pyxel_at_duty():
+ source = "0: T120 L4 O4 @1\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ duties = [e for e in ns.channels["Pulse1"].events if isinstance(e, DutyEvent)]
+ assert duties and duties[0].value == 2 # @1 maps to duty 2 (50%)
+
+
+def test_pyxel_at2_duty():
+ source = "0: T120 L4 O4 @2\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ duties = [e for e in ns.channels["Pulse1"].events if isinstance(e, DutyEvent)]
+ assert duties and duties[0].value == 1 # @2 maps to duty 1 (25%)
+
+
+# --- Volume normalization ---
+
+
+def test_pyxel_volume_normalization():
+ source = "0: T120 L4 O4 V100\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert notes
+ # V100 -> round(100/127*15) = 12
+ assert notes[0].velocity == 12
+
+
+def test_pyxel_volume_zero():
+ source = "0: T120 L4 O4 V0\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert notes and notes[0].velocity == 0
+
+
+def test_pyxel_volume_max():
+ source = "0: T120 L4 O4 V127\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert notes and notes[0].velocity == 15
+
+
+# --- Gate time ---
+
+
+def test_pyxel_gate_time():
+ source = "0: T120 L4 O4 Q50\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert notes and notes[0].gate_time == 0.5
+
+
+# --- Transpose ---
+
+
+def test_pyxel_transpose():
+ source = "0: T120 L4 O4 K2\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ # C4=60, transpose+2 -> 62
+ assert notes and notes[0].note_number == 62
+
+
+# --- Detune ---
+
+
+def test_pyxel_detune():
+ source = "0: T120 L4 O4 Y10\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert notes and notes[0].detune_cents == 10.0
+
+
+# --- Repeat ---
+
+
+def test_pyxel_repeat_expansion():
+ source = "0: T120 L4 O4\n[ C D ]2"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert len(notes) == 4
+
+
+def test_pyxel_repeat_count3():
+ source = "0: T120 L4 O4\n[ C D ]3"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert len(notes) == 6
+
+
+# --- Tie ---
+
+
+def test_ppmck_tie_note():
+ source = "A t120 l4 o4\n c4 & c4"
+ tokens = tokenize(source, "ppmck")
+ ns, errors = parse_ppmck(source, tokens)
+ # Tie should merge notes; check no error
+ assert not any(e.severity == "error" for e in errors)
+
+
+def test_pyxel_tie_length():
+ source = "0: T120 L4 O4\n C4 & 4"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ # & 4 extends last note by l4 ticks
+ assert notes and notes[0].duration > 192 # 192 + 48 = 240
+
+
+# --- Octave up/down ---
+
+
+def test_ppmck_octave_up():
+ source = "A t120 l4 o4\n c > d"
+ tokens = tokenize(source, "ppmck")
+ ns, errors = parse_ppmck(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert notes[0].note_number == 60 # o4 c
+ assert notes[1].note_number == 74 # o5 d
+
+
+def test_pyxel_octave_down():
+ source = "0: T120 L4 O4\n C < D"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ assert notes[0].note_number == 60 # O4 C
+ assert notes[1].note_number == 50 # O3 D
+
+
+# --- Length with dots ---
+
+
+def test_ppmck_dotted_note():
+ source = "A t120 l4 o4\n c."
+ tokens = tokenize(source, "ppmck")
+ ns, errors = parse_ppmck(source, tokens)
+ notes = [e for e in ns.channels["Pulse1"].events if isinstance(e, NoteEvent)]
+ # l4 = 192 ticks, dotted = 192 + 96 = 288
+ assert notes and notes[0].duration == 288
+
+
+# --- Triangle volume ignored in ppmck ---
+
+
+def test_ppmck_triangle_volume_ignored():
+ source = "T t120 l4 o3 v7\n c"
+ tokens = tokenize(source, "ppmck")
+ ns, errors = parse_ppmck(source, tokens)
+ notes = [e for e in ns.channels["Triangle"].events if isinstance(e, NoteEvent)]
+ assert notes and notes[0].velocity == 15 # default, v ignored
+
+
+# --- @ENV/@VIB/@GLI ---
+
+
+def test_pyxel_env_event():
+ source = "0: T120 L4 O4\n@ENV1 100 10\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ envs = [e for e in ns.channels["Pulse1"].events if isinstance(e, EnvelopeEvent)]
+ assert envs and envs[0].slot == 1
+
+
+def test_pyxel_vib_event():
+ source = "0: T120 L4 O4\n@VIB1 10 20 5\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ from mml_composemusic_mcp.ir import VibratoEvent
+
+ vibs = [e for e in ns.channels["Pulse1"].events if isinstance(e, VibratoEvent)]
+ assert vibs and vibs[0].slot == 1
+
+
+def test_pyxel_gli_event():
+ source = "0: T120 L4 O4\n@GLI1 100 50\n C"
+ tokens = tokenize(source, "pyxel")
+ ns, errors = parse_pyxel(source, tokens)
+ from mml_composemusic_mcp.ir import GlideEvent
+
+ glis = [e for e in ns.channels["Pulse1"].events if isinstance(e, GlideEvent)]
+ assert glis and glis[0].slot == 1
+
+
+# --- Noise channel ---
+
+
+def test_ppmck_noise_ignores_pitch():
+ source = "N t120 l4 v10\n c r"
+ tokens = tokenize(source, "ppmck")
+ ns, errors = parse_ppmck(source, tokens)
+ notes = [e for e in ns.channels["Noise"].events if isinstance(e, NoteEvent)]
+ assert notes # NoteEvent is created but with midi=0
+ assert notes[0].note_number == 0 # pitch ignored
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