mirror of
https://github.com/tildearrow/furnace.git
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626 lines
17 KiB
C++
626 lines
17 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "qsound.h"
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#include "../engine.h"
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#include "../../ta-log.h"
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#include <math.h>
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#include <map>
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#define CHIP_DIVIDER (1248*2)
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#define QS_NOTE_FREQUENCY(x) parent->calcBaseFreq(440,0x1000,(x)-3,false)
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#define rWrite(a,v) {if(!skipRegisterWrites) {qsound_write_data(&chip,a,v); if(dumpWrites) addWrite(a,v); }}
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#define immWrite(a,v) {qsound_write_data(&chip,a,v); if(dumpWrites) addWrite(a,v);}
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const char* regCheatSheetQSound[]={
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"Ch15_Bank", "00",
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"Ch00_Start", "01",
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"Ch00_Freq", "02",
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"Ch00_Phase", "03",
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"Ch00_Loop", "04",
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"Ch00_End", "05",
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"Ch00_Volume", "06",
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"Ch00_Bank", "08",
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"Ch01_Start", "09",
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"Ch01_Freq", "0A",
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"Ch01_Phase", "0B",
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"Ch01_Loop", "0C",
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"Ch01_End", "0D",
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"Ch01_Volume", "0E",
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"Ch01_Bank", "10",
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"Ch02_Start", "11",
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"Ch02_Freq", "12",
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"Ch02_Phase", "13",
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"Ch02_Loop", "14",
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"Ch02_End", "15",
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"Ch02_Volume", "16",
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"Ch02_Bank", "18",
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"Ch03_Start", "19",
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"Ch03_Freq", "1A",
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"Ch03_Phase", "1B",
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"Ch03_Loop", "1C",
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"Ch03_End", "1D",
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"Ch03_Volume", "1E",
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"Ch03_Bank", "20",
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"Ch04_Start", "21",
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"Ch04_Freq", "22",
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"Ch04_Phase", "23",
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"Ch04_Loop", "24",
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"Ch04_End", "25",
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"Ch04_Volume", "26",
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"Ch04_Bank", "28",
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"Ch05_Start", "29",
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"Ch05_Freq", "2A",
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"Ch05_Phase", "2B",
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"Ch05_Loop", "2C",
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"Ch05_End", "2D",
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"Ch05_Volume", "2E",
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"Ch05_Bank", "30",
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"Ch06_Start", "31",
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"Ch06_Freq", "32",
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"Ch06_Phase", "33",
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"Ch06_Loop", "34",
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"Ch06_End", "35",
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"Ch06_Volume", "36",
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"Ch06_Bank", "38",
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"Ch07_Start", "39",
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"Ch07_Freq", "3A",
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"Ch07_Phase", "3B",
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"Ch07_Loop", "3C",
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"Ch07_End", "3D",
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"Ch07_Volume", "3E",
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"Ch07_Bank", "40",
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"Ch08_Start", "41",
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"Ch08_Freq", "42",
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"Ch08_Phase", "43",
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"Ch08_Loop", "44",
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"Ch08_End", "45",
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"Ch08_Volume", "46",
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"Ch08_Bank", "48",
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"Ch09_Start", "49",
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"Ch09_Freq", "4A",
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"Ch09_Phase", "4B",
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"Ch09_Loop", "4C",
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"Ch09_End", "4D",
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"Ch09_Volume", "4E",
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"Ch09_Bank", "50",
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"Ch10_Start", "51",
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"Ch10_Freq", "52",
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"Ch10_Phase", "53",
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"Ch10_Loop", "54",
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"Ch10_End", "55",
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"Ch10_Volume", "56",
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"Ch10_Bank", "58",
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"Ch11_Start", "59",
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"Ch11_Freq", "5A",
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"Ch11_Phase", "5B",
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"Ch11_Loop", "5C",
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"Ch11_End", "5D",
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"Ch11_Volume", "5E",
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"Ch11_Bank", "60",
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"Ch12_Start", "61",
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"Ch12_Freq", "62",
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"Ch12_Phase", "63",
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"Ch12_Loop", "64",
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"Ch12_End", "65",
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"Ch12_Volume", "66",
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"Ch12_Bank", "68",
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"Ch13_Start", "69",
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"Ch13_Freq", "6A",
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"Ch13_Phase", "6B",
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"Ch13_Loop", "6C",
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"Ch13_End", "6D",
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"Ch13_Volume", "6E",
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"Ch13_Bank", "70",
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"Ch14_Start", "71",
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"Ch14_Freq", "72",
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"Ch14_Phase", "73",
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"Ch14_Loop", "74",
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"Ch14_End", "75",
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"Ch14_Volume", "76",
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"Ch14_Bank", "78",
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"Ch15_Start", "79",
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"Ch15_Freq", "7A",
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"Ch15_Phase", "7B",
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"Ch15_Loop", "7C",
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"Ch15_End", "7D",
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"Ch15_Volume", "7E",
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"Ch00_Panning", "80",
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"Ch01_Panning", "81",
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"Ch02_Panning", "82",
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"Ch03_Panning", "83",
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"Ch04_Panning", "84",
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"Ch05_Panning", "85",
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"Ch06_Panning", "86",
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"Ch07_Panning", "87",
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"Ch08_Panning", "88",
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"Ch09_Panning", "89",
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"Ch10_Panning", "8A",
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"Ch11_Panning", "8B",
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"Ch12_Panning", "8C",
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"Ch13_Panning", "8D",
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"Ch14_Panning", "8E",
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"Ch15_Panning", "8F",
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"Adpcm0_Panning","90",
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"Adpcm1_Panning","91",
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"Adpcm2_Panning","92",
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"Echo_Feedback","93",
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"Ch00_Echo", "BA",
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"Ch01_Echo", "BB",
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"Ch02_Echo", "BC",
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"Ch03_Echo", "BD",
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"Ch04_Echo", "BE",
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"Ch05_Echo", "BF",
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"Ch06_Echo", "C0",
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"Ch07_Echo", "C1",
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"Ch08_Echo", "C2",
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"Ch09_Echo", "C3",
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"Ch10_Echo", "C4",
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"Ch11_Echo", "C5",
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"Ch12_Echo", "C6",
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"Ch13_Echo", "C7",
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"Ch14_Echo", "C8",
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"Ch15_Echo", "C9",
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"Adpcm0_Start", "CA",
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"Adpcm0_End", "CB",
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"Adpcm0_Bank", "CC",
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"Adpcm0_Volume","CD",
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"Adpcm1_Start", "CE",
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"Adpcm1_End", "CF",
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"Adpcm1_Bank", "D0",
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"Adpcm1_Volume","D1",
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"Adpcm2_Start", "D2",
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"Adpcm2_End", "D3",
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"Adpcm2_Bank", "D4",
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"Adpcm2_Volume","D5",
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"Adpcm0_KeyOn", "D6",
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"Adpcm1_KeyOn", "D7",
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"Adpcm2_KeyOn", "D8",
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"Echo_Delay", "D9",
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"L_Wet_Filter", "DA",
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"L_Dry_Filter", "DB",
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"R_Wet_Filter", "DC",
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"R_Dry_Filter", "DD",
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"L_Wet_Delay", "DE",
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"L_Dry_Delay", "DF",
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"R_Wet_Delay", "E0",
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"R_Dry_Delay", "E1",
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"Delay_Flag", "E2",
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"Mode_Select", "E3", //valid: 0000,0288,0039,061A,004F
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"L_Wet_Volume", "E4",
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"L_Dry_Volume", "E5",
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"R_Wet_Volume", "E6",
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"R_Dry_Volume", "E7",
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NULL
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};
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enum q1_register_name {
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Q1V_BANK = 0,
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Q1V_START = 1,
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Q1V_FREQ = 2,
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Q1V_PHASE = 3,
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Q1V_LOOP = 4,
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Q1V_END = 5,
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Q1V_VOL = 6,
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Q1V_REG_COUNT = 7,
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Q1_PAN = 0x80,
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Q1_ECHO = 0xba,
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Q1A_PAN = 0x90,
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Q1A_START = 0xca,
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Q1A_END = 0xcb,
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Q1A_BANK = 0xcc,
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Q1A_VOL = 0xcd,
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Q1A_KEYON = 0xd6,
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Q1_ECHO_FEEDBACK = 0x93,
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Q1_ECHO_LENGTH = 0xd9,
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};
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const unsigned char q1_reg_map[Q1V_REG_COUNT][16] = {
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{0x78,0x00,0x08,0x10,0x18,0x20,0x28,0x30,0x38,0x40,0x48,0x50,0x58,0x60,0x68,0x70},
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{0x01,0x09,0x11,0x19,0x21,0x29,0x31,0x39,0x41,0x49,0x51,0x59,0x61,0x69,0x71,0x79},
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{0x02,0x0a,0x12,0x1a,0x22,0x2a,0x32,0x3a,0x42,0x4a,0x52,0x5a,0x62,0x6a,0x72,0x7a},
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{0x03,0x0b,0x13,0x1b,0x23,0x2b,0x33,0x3b,0x43,0x4b,0x53,0x5b,0x63,0x6b,0x73,0x7b},
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{0x04,0x0c,0x14,0x1c,0x24,0x2c,0x34,0x3c,0x44,0x4c,0x54,0x5c,0x64,0x6c,0x74,0x7c},
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{0x05,0x0d,0x15,0x1d,0x25,0x2d,0x35,0x3d,0x45,0x4d,0x55,0x5d,0x65,0x6d,0x75,0x7d},
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{0x06,0x0e,0x16,0x1e,0x26,0x2e,0x36,0x3e,0x46,0x4e,0x56,0x5e,0x66,0x6e,0x76,0x7e},
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};
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const char** DivPlatformQSound::getRegisterSheet() {
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return regCheatSheetQSound;
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}
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const char* DivPlatformQSound::getEffectName(unsigned char effect) {
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switch (effect) {
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case 0x10:
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return "10xx: Set echo feedback level (00 to FF)";
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break;
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case 0x11:
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return "11xx: Set channel echo level (00 to FF)";
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break;
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default:
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if ((effect & 0xf0) == 0x30) {
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return "3xxx: Set echo delay buffer length (000 to AA5)";
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}
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}
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return NULL;
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}
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void DivPlatformQSound::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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chip.rom_data = parent->qsoundMem;
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chip.rom_mask = 0xffffff;
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for (size_t h=start; h<start+len; h++) {
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qsound_update(&chip);
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bufL[h]=chip.out[0];
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bufR[h]=chip.out[1];
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}
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}
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void DivPlatformQSound::tick(bool sysTick) {
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for (int i=0; i<16; i++) {
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chan[i].std.next();
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if (chan[i].std.vol.had) {
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chan[i].outVol=((chan[i].vol&0xff)*chan[i].std.vol.val)>>6;
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// Check if enabled and write volume
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if (chan[i].active) {
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rWrite(q1_reg_map[Q1V_VOL][i], chan[i].outVol << 4);
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}
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}
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uint16_t qsound_bank = 0;
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uint16_t qsound_addr = 0;
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uint16_t qsound_loop = 0;
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uint16_t qsound_end = 0;
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double off=1.0;
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if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
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DivSample* s=parent->getSample(chan[i].sample);
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if (s->centerRate<1) {
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off=1.0;
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} else {
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off=(double)s->centerRate/24038.0/16.0;
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}
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qsound_bank = 0x8000 | (s->offQSound >> 16);
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qsound_addr = s->offQSound & 0xffff;
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int length = s->samples;
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if (length > 65536 - 16) {
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length = 65536 - 16;
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}
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if (s->loopStart == -1 || s->loopStart >= length) {
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qsound_end = s->offQSound + length + 15;
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qsound_loop = 15;
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} else {
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qsound_end = s->offQSound + length;
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qsound_loop = length - s->loopStart;
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}
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}
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if (chan[i].std.arp.had) {
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if (!chan[i].inPorta) {
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if (chan[i].std.arp.mode) {
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chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].std.arp.val);
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} else {
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chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].note+chan[i].std.arp.val);
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}
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}
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chan[i].freqChanged=true;
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} else {
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if (chan[i].std.arp.mode && chan[i].std.arp.finished) {
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chan[i].baseFreq=off*QS_NOTE_FREQUENCY(chan[i].note);
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chan[i].freqChanged=true;
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}
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}
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if (chan[i].std.pitch.had) {
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chan[i].freqChanged=true;
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}
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if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_AMIGA);
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chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].std.pitch.val);
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if (chan[i].freq>0xffff) chan[i].freq=0xffff;
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if (chan[i].keyOn) {
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rWrite(q1_reg_map[Q1V_BANK][i], qsound_bank);
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rWrite(q1_reg_map[Q1V_END][i], qsound_end);
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rWrite(q1_reg_map[Q1V_LOOP][i], qsound_loop);
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rWrite(q1_reg_map[Q1V_START][i], qsound_addr);
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rWrite(q1_reg_map[Q1V_PHASE][i], 0x8000);
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//logV("ch %d bank=%04x, addr=%04x, end=%04x, loop=%04x!",i,qsound_bank,qsound_addr,qsound_end,qsound_loop);
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// Write sample address. Enable volume
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if (!chan[i].std.vol.had) {
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rWrite(q1_reg_map[Q1V_VOL][i], chan[i].vol << 4);
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}
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}
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if (chan[i].keyOff) {
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// Disable volume
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rWrite(q1_reg_map[Q1V_VOL][i], 0);
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rWrite(q1_reg_map[Q1V_FREQ][i], 0);
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} else if (chan[i].active) {
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//logV("ch %d frequency set to %04x, off=%f, note=%d, %04x!",i,chan[i].freq,off,chan[i].note,QS_NOTE_FREQUENCY(chan[i].note));
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rWrite(q1_reg_map[Q1V_FREQ][i], chan[i].freq);
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}
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if (chan[i].keyOn) chan[i].keyOn=false;
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if (chan[i].keyOff) chan[i].keyOff=false;
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chan[i].freqChanged=false;
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}
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}
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}
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int DivPlatformQSound::dispatch(DivCommand c) {
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switch (c.cmd) {
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case DIV_CMD_NOTE_ON: {
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DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA);
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chan[c.chan].sample=ins->amiga.initSample;
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double off=1.0;
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if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
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DivSample* s=parent->getSample(chan[c.chan].sample);
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if (s->centerRate<1) {
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off=1.0;
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} else {
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off=(double)s->centerRate/24038.0/16.0;
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}
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}
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].baseFreq=off*QS_NOTE_FREQUENCY(c.value);
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}
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if (chan[c.chan].sample<0 || chan[c.chan].sample>=parent->song.sampleLen) {
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chan[c.chan].sample=-1;
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}
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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}
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chan[c.chan].active=true;
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chan[c.chan].keyOn=true;
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chan[c.chan].std.init(ins);
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break;
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}
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case DIV_CMD_NOTE_OFF:
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chan[c.chan].sample=-1;
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chan[c.chan].active=false;
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chan[c.chan].keyOff=true;
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chan[c.chan].std.init(NULL);
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break;
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case DIV_CMD_NOTE_OFF_ENV:
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case DIV_CMD_ENV_RELEASE:
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chan[c.chan].std.release();
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break;
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case DIV_CMD_INSTRUMENT:
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if (chan[c.chan].ins!=c.value || c.value2==1) {
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chan[c.chan].ins=c.value;
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}
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break;
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case DIV_CMD_VOLUME:
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if (chan[c.chan].vol!=c.value) {
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chan[c.chan].vol=c.value;
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if (!chan[c.chan].std.vol.has) {
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// Check if enabled and write volume
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chan[c.chan].outVol=c.value;
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if (chan[c.chan].active && c.chan < 16) {
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rWrite(q1_reg_map[Q1V_VOL][c.chan], chan[c.chan].outVol << 4);
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}
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}
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}
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break;
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case DIV_CMD_GET_VOLUME:
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if (chan[c.chan].std.vol.has) {
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return chan[c.chan].vol;
|
|
}
|
|
return chan[c.chan].outVol;
|
|
break;
|
|
case DIV_CMD_PANNING:
|
|
immWrite(Q1_PAN+c.chan, c.value + 0x110);
|
|
break;
|
|
case DIV_CMD_QSOUND_ECHO_LEVEL:
|
|
immWrite(Q1_ECHO+c.chan, c.value << 7);
|
|
break;
|
|
case DIV_CMD_QSOUND_ECHO_FEEDBACK:
|
|
immWrite(Q1_ECHO_FEEDBACK, c.value << 6);
|
|
break;
|
|
case DIV_CMD_QSOUND_ECHO_DELAY:
|
|
immWrite(Q1_ECHO_LENGTH, (c.value > 2725 ? 0xfff : 0xfff - (2725 - c.value)));
|
|
break;
|
|
case DIV_CMD_PITCH:
|
|
chan[c.chan].pitch=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
case DIV_CMD_NOTE_PORTA: {
|
|
double off=1.0;
|
|
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(chan[c.chan].sample);
|
|
if (s->centerRate<1) {
|
|
off=1.0;
|
|
} else {
|
|
off=(double)s->centerRate/24038.0/16.0;
|
|
}
|
|
}
|
|
int destFreq=off*QS_NOTE_FREQUENCY(c.value2);
|
|
bool return2=false;
|
|
if (destFreq>chan[c.chan].baseFreq) {
|
|
chan[c.chan].baseFreq+=c.value;
|
|
if (chan[c.chan].baseFreq>=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
} else {
|
|
chan[c.chan].baseFreq-=c.value;
|
|
if (chan[c.chan].baseFreq<=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
}
|
|
chan[c.chan].freqChanged=true;
|
|
if (return2) {
|
|
chan[c.chan].inPorta=false;
|
|
return 2;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_LEGATO: {
|
|
double off=1.0;
|
|
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(chan[c.chan].sample);
|
|
if (s->centerRate<1) {
|
|
off=1.0;
|
|
} else {
|
|
off=(double)s->centerRate/24038.0/16.0;
|
|
}
|
|
}
|
|
chan[c.chan].baseFreq=off*QS_NOTE_FREQUENCY(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val-12):(0)));
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
break;
|
|
}
|
|
case DIV_CMD_PRE_PORTA:
|
|
if (chan[c.chan].active && c.value2) {
|
|
if (parent->song.resetMacroOnPorta) chan[c.chan].std.init(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
|
|
}
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 255;
|
|
break;
|
|
case DIV_ALWAYS_SET_VOLUME:
|
|
return 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformQSound::muteChannel(int ch, bool mute) {
|
|
if (mute) {
|
|
chip.mute_mask|=(1<<ch);
|
|
} else {
|
|
chip.mute_mask&=~(1<<ch);
|
|
}
|
|
}
|
|
|
|
void DivPlatformQSound::forceIns() {
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].insChanged=true;
|
|
chan[i].freqChanged=true;
|
|
chan[i].sample=-1;
|
|
}
|
|
}
|
|
|
|
void* DivPlatformQSound::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
void DivPlatformQSound::reset() {
|
|
for (int i=0; i<16; i++) {
|
|
chan[i]=DivPlatformQSound::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
}
|
|
qsound_reset(&chip);
|
|
while(!chip.ready_flag) {
|
|
qsound_update(&chip);
|
|
}
|
|
|
|
immWrite(Q1_ECHO_LENGTH, 0xfff - (2725 - echoDelay));
|
|
immWrite(Q1_ECHO_FEEDBACK, echoFeedback << 6);
|
|
}
|
|
|
|
bool DivPlatformQSound::isStereo() {
|
|
return true;
|
|
}
|
|
|
|
bool DivPlatformQSound::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformQSound::notifyInsChange(int ins) {
|
|
for (int i=0; i<4; i++) {
|
|
if (chan[i].ins==ins) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformQSound::notifyWaveChange(int wave) {
|
|
// TODO when wavetables are added
|
|
// TODO they probably won't be added unless the samples reside in RAM
|
|
}
|
|
|
|
void DivPlatformQSound::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformQSound::setFlags(unsigned int flags) {
|
|
echoDelay = 2725 - (flags & 0xfff);
|
|
echoFeedback = (flags >> 12) & 255;
|
|
|
|
if(echoDelay < 0) {
|
|
echoDelay = 0;
|
|
}
|
|
if(echoDelay > 2725) {
|
|
echoDelay = 2725;
|
|
}
|
|
//rate=chipClock/CHIP_DIVIDER;
|
|
}
|
|
|
|
void DivPlatformQSound::poke(unsigned int addr, unsigned short val) {
|
|
immWrite(addr, val);
|
|
immWrite(addr, val);
|
|
}
|
|
|
|
void DivPlatformQSound::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
|
|
}
|
|
|
|
unsigned char* DivPlatformQSound::getRegisterPool() {
|
|
unsigned short* regPoolPtr = regPool;
|
|
for(int i=0; i<256; i++)
|
|
{
|
|
uint16_t data = qsound_read_data(&chip, i);
|
|
*regPoolPtr++ = data;
|
|
}
|
|
return (unsigned char*)regPool;
|
|
}
|
|
|
|
int DivPlatformQSound::getRegisterPoolSize() {
|
|
return 256;
|
|
}
|
|
|
|
int DivPlatformQSound::getRegisterPoolDepth() {
|
|
return 16;
|
|
}
|
|
|
|
int DivPlatformQSound::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
|
|
//for (int i=0; i<16; i++) {
|
|
// isMuted[i]=false;
|
|
//}
|
|
setFlags(flags);
|
|
|
|
chipClock=60000000;
|
|
rate = qsound_start(&chip, chipClock);
|
|
chip.rom_data = (unsigned char*)&chip.rom_mask;
|
|
chip.rom_mask = 0;
|
|
reset();
|
|
return 19;
|
|
}
|
|
|
|
void DivPlatformQSound::quit() {
|
|
}
|