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https://github.com/ZDoom/gzdoom.git
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84cc7cbdd2
This is to improve compile times because the MSVC compiler tends to become slow with large lists of source files in a single project. This new project is still our stripped down copy of libadl, not the original, because that project contains a large amount of baggage we do not need.
753 lines
22 KiB
C++
753 lines
22 KiB
C++
/*
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* libADLMIDI is a free MIDI to WAV conversion library with OPL3 emulation
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*
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* Original ADLMIDI code: Copyright (c) 2010-2014 Joel Yliluoma <bisqwit@iki.fi>
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* ADLMIDI Library API: Copyright (c) 2015-2018 Vitaly Novichkov <admin@wohlnet.ru>
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*
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* Library is based on the ADLMIDI, a MIDI player for Linux and Windows with OPL3 emulation:
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* http://iki.fi/bisqwit/source/adlmidi.html
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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 3 of the License, or
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* 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "adlmidi_private.hpp"
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#include <stdlib.h>
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#include <cassert>
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#ifdef ADLMIDI_HW_OPL
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static const unsigned OPLBase = 0x388;
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#else
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# if defined(ADLMIDI_DISABLE_NUKED_EMULATOR) && defined(ADLMIDI_DISABLE_DOSBOX_EMULATOR)
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# error "No emulators enabled. You must enable at least one emulator to use this library!"
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# endif
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// Nuked OPL3 emulator, Most accurate, but requires the powerful CPU
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# ifndef ADLMIDI_DISABLE_NUKED_EMULATOR
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# include "chips/nuked_opl3.h"
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# include "chips/nuked_opl3_v174.h"
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# endif
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// DosBox 0.74 OPL3 emulator, Well-accurate and fast
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# ifndef ADLMIDI_DISABLE_DOSBOX_EMULATOR
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# include "chips/dosbox_opl3.h"
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# endif
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#endif
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static const unsigned adl_emulatorSupport = 0
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#ifndef ADLMIDI_HW_OPL
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# ifndef ADLMIDI_DISABLE_NUKED_EMULATOR
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| (1u << ADLMIDI_EMU_NUKED) | (1u << ADLMIDI_EMU_NUKED_174)
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# endif
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# ifndef ADLMIDI_DISABLE_DOSBOX_EMULATOR
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| (1u << ADLMIDI_EMU_DOSBOX)
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# endif
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#endif
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;
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//! Check emulator availability
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bool adl_isEmulatorAvailable(int emulator)
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{
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return (adl_emulatorSupport & (1u << (unsigned)emulator)) != 0;
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}
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//! Find highest emulator
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int adl_getHighestEmulator()
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{
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int emu = -1;
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for(unsigned m = adl_emulatorSupport; m > 0; m >>= 1)
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++emu;
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return emu;
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}
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//! Find lowest emulator
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int adl_getLowestEmulator()
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{
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int emu = -1;
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unsigned m = adl_emulatorSupport;
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if(m > 0)
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{
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for(emu = 0; (m & 1) == 0; m >>= 1)
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++emu;
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}
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return emu;
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}
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//! Per-channel and per-operator registers map
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static const uint16_t g_operatorsMap[23 * 2] =
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{
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// Channels 0-2
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0x000, 0x003, 0x001, 0x004, 0x002, 0x005, // operators 0, 3, 1, 4, 2, 5
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// Channels 3-5
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0x008, 0x00B, 0x009, 0x00C, 0x00A, 0x00D, // operators 6, 9, 7,10, 8,11
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// Channels 6-8
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0x010, 0x013, 0x011, 0x014, 0x012, 0x015, // operators 12,15, 13,16, 14,17
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// Same for second card
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0x100, 0x103, 0x101, 0x104, 0x102, 0x105, // operators 18,21, 19,22, 20,23
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0x108, 0x10B, 0x109, 0x10C, 0x10A, 0x10D, // operators 24,27, 25,28, 26,29
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0x110, 0x113, 0x111, 0x114, 0x112, 0x115, // operators 30,33, 31,34, 32,35
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// Channel 18
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0x010, 0x013, // operators 12,15
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// Channel 19
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0x014, 0xFFF, // operator 16
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// Channel 19
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0x012, 0xFFF, // operator 14
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// Channel 19
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0x015, 0xFFF, // operator 17
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// Channel 19
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0x011, 0xFFF
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}; // operator 13
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//! Channel map to regoster offsets
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static const uint16_t g_channelsMap[23] =
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{
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0x000, 0x001, 0x002, 0x003, 0x004, 0x005, 0x006, 0x007, 0x008, // 0..8
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0x100, 0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 0x108, // 9..17 (secondary set)
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0x006, 0x007, 0x008, 0xFFF, 0xFFF
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}; // <- hw percussions, 0xFFF = no support for pitch/pan
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/*
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In OPL3 mode:
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0 1 2 6 7 8 9 10 11 16 17 18
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op0 op1 op2 op12 op13 op14 op18 op19 op20 op30 op31 op32
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op3 op4 op5 op15 op16 op17 op21 op22 op23 op33 op34 op35
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3 4 5 13 14 15
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op6 op7 op8 op24 op25 op26
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op9 op10 op11 op27 op28 op29
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Ports:
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+0 +1 +2 +10 +11 +12 +100 +101 +102 +110 +111 +112
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+3 +4 +5 +13 +14 +15 +103 +104 +105 +113 +114 +115
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+8 +9 +A +108 +109 +10A
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+B +C +D +10B +10C +10D
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Percussion:
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bassdrum = op(0): 0xBD bit 0x10, operators 12 (0x10) and 15 (0x13) / channels 6, 6b
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snare = op(3): 0xBD bit 0x08, operators 16 (0x14) / channels 7b
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tomtom = op(4): 0xBD bit 0x04, operators 14 (0x12) / channels 8
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cym = op(5): 0xBD bit 0x02, operators 17 (0x17) / channels 8b
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hihat = op(2): 0xBD bit 0x01, operators 13 (0x11) / channels 7
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In OPTi mode ("extended FM" in 82C924, 82C925, 82C931 chips):
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
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op0 op4 op6 op10 op12 op16 op18 op22 op24 op28 op30 op34 op36 op38 op40 op42 op44 op46
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op1 op5 op7 op11 op13 op17 op19 op23 op25 op29 op31 op35 op37 op39 op41 op43 op45 op47
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op2 op8 op14 op20 op26 op32
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op3 op9 op15 op21 op27 op33 for a total of 6 quad + 12 dual
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Ports: ???
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*/
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static adlinsdata2 makeEmptyInstrument()
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{
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adlinsdata2 ins;
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memset(&ins, 0, sizeof(adlinsdata2));
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ins.flags = adlinsdata::Flag_NoSound;
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return ins;
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}
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const adlinsdata2 OPL3::m_emptyInstrument = makeEmptyInstrument();
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OPL3::OPL3() :
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m_numChips(1),
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m_numFourOps(0),
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m_deepTremoloMode(false),
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m_deepVibratoMode(false),
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m_rhythmMode(false),
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m_softPanning(false),
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m_musicMode(MODE_MIDI),
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m_volumeScale(VOLUME_Generic)
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{
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m_insBankSetup.volumeModel = OPL3::VOLUME_Generic;
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m_insBankSetup.deepTremolo = false;
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m_insBankSetup.deepVibrato = false;
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m_insBankSetup.adLibPercussions = false;
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m_insBankSetup.scaleModulators = false;
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#ifdef DISABLE_EMBEDDED_BANKS
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m_embeddedBank = CustomBankTag;
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#else
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setEmbeddedBank(0);
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#endif
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}
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bool OPL3::setupLocked()
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{
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return (m_musicMode == MODE_CMF ||
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m_musicMode == MODE_IMF ||
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m_musicMode == MODE_RSXX);
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}
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void OPL3::setEmbeddedBank(uint32_t bank)
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{
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#ifndef DISABLE_EMBEDDED_BANKS
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m_embeddedBank = bank;
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//Embedded banks are supports 128:128 GM set only
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m_insBanks.clear();
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if(bank >= static_cast<unsigned int>(maxAdlBanks()))
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return;
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Bank *bank_pair[2] =
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{
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&m_insBanks[0],
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&m_insBanks[PercussionTag]
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};
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for(unsigned i = 0; i < 256; ++i)
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{
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size_t meta = banks[bank][i];
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adlinsdata2 &ins = bank_pair[i / 128]->ins[i % 128];
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ins = adlinsdata2::from_adldata(::adlins[meta]);
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}
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#else
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ADL_UNUSED(bank);
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#endif
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}
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void OPL3::writeReg(size_t chip, uint16_t address, uint8_t value)
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{
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#ifdef ADLMIDI_HW_OPL
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ADL_UNUSED(chip);
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unsigned o = address >> 8;
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unsigned port = OPLBase + o * 2;
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#ifdef __DJGPP__
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outportb(port, address);
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for(unsigned c = 0; c < 6; ++c) inportb(port);
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outportb(port + 1, value);
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for(unsigned c = 0; c < 35; ++c) inportb(port);
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#endif
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#ifdef __WATCOMC__
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outp(port, address);
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for(uint16_t c = 0; c < 6; ++c) inp(port);
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outp(port + 1, value);
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for(uint16_t c = 0; c < 35; ++c) inp(port);
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#endif//__WATCOMC__
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#else//ADLMIDI_HW_OPL
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m_chips[chip]->writeReg(address, value);
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#endif
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}
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void OPL3::writeRegI(size_t chip, uint32_t address, uint32_t value)
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{
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#ifdef ADLMIDI_HW_OPL
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writeReg(chip, static_cast<uint16_t>(address), static_cast<uint8_t>(value));
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#else//ADLMIDI_HW_OPL
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m_chips[chip]->writeReg(static_cast<uint16_t>(address), static_cast<uint8_t>(value));
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#endif
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}
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void OPL3::writePan(size_t chip, uint32_t address, uint32_t value)
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{
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#ifndef ADLMIDI_HW_OPL
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m_chips[chip]->writePan(static_cast<uint16_t>(address), static_cast<uint8_t>(value));
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#else
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ADL_UNUSED(chip);
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ADL_UNUSED(address);
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ADL_UNUSED(value);
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#endif
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}
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void OPL3::noteOff(size_t c)
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{
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size_t chip = c / 23, cc = c % 23;
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if(cc >= 18)
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{
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m_regBD[chip] &= ~(0x10 >> (cc - 18));
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writeRegI(chip, 0xBD, m_regBD[chip]);
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return;
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}
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writeRegI(chip, 0xB0 + g_channelsMap[cc], m_keyBlockFNumCache[c] & 0xDF);
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}
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void OPL3::noteOn(size_t c1, size_t c2, double hertz) // Hertz range: 0..131071
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{
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size_t chip = c1 / 23, cc1 = c1 % 23, cc2 = c2 % 23;
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uint32_t octave = 0, ftone = 0, mul_offset = 0;
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if(hertz < 0)
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return;
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//Basic range until max of octaves reaching
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while((hertz >= 1023.5) && (octave < 0x1C00))
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{
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hertz /= 2.0; // Calculate octave
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octave += 0x400;
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}
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//Extended range, rely on frequency multiplication increment
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while(hertz >= 1022.75)
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{
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hertz /= 2.0; // Calculate octave
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mul_offset++;
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}
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ftone = octave + static_cast<uint32_t>(hertz + 0.5);
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uint32_t chn = g_channelsMap[cc1];
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const adldata &patch1 = m_insCache[c1];
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const adldata &patch2 = m_insCache[c2 < m_insCache.size() ? c2 : 0];
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if(cc1 < 18)
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{
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ftone += 0x2000u; /* Key-ON [KON] */
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const bool natural_4op = (m_channelCategory[c1] == ChanCat_4op_Master);
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const size_t opsCount = natural_4op ? 4 : 2;
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const uint16_t op_addr[4] =
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{
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g_operatorsMap[cc1 * 2 + 0], g_operatorsMap[cc1 * 2 + 1],
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g_operatorsMap[cc2 * 2 + 0], g_operatorsMap[cc2 * 2 + 1]
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};
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const uint32_t ops[4] =
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{
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patch1.modulator_E862 & 0xFF,
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patch1.carrier_E862 & 0xFF,
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patch2.modulator_E862 & 0xFF,
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patch2.carrier_E862 & 0xFF
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};
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for(size_t op = 0; op < opsCount; op++)
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{
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if((op > 0) && (op_addr[op] == 0xFFF))
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break;
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if(mul_offset > 0)
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{
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uint32_t dt = ops[op] & 0xF0;
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uint32_t mul = ops[op] & 0x0F;
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if((mul + mul_offset) > 0x0F)
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{
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mul_offset = 0;
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mul = 0x0F;
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}
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writeRegI(chip, 0x20 + op_addr[op], (dt | (mul + mul_offset)) & 0xFF);
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}
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else
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{
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writeRegI(chip, 0x20 + op_addr[op], ops[op] & 0xFF);
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}
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}
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}
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if(chn != 0xFFF)
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{
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writeRegI(chip , 0xA0 + chn, (ftone & 0xFF));
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writeRegI(chip , 0xB0 + chn, (ftone >> 8));
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m_keyBlockFNumCache[c1] = (ftone >> 8);
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}
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if(cc1 >= 18)
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{
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m_regBD[chip ] |= (0x10 >> (cc1 - 18));
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writeRegI(chip , 0x0BD, m_regBD[chip ]);
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//x |= 0x800; // for test
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}
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}
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void OPL3::touchNote(size_t c, uint8_t volume, uint8_t brightness)
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{
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if(volume > 63)
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volume = 63;
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size_t chip = c / 23, cc = c % 23;
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const adldata &adli = m_insCache[c];
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uint16_t o1 = g_operatorsMap[cc * 2 + 0];
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uint16_t o2 = g_operatorsMap[cc * 2 + 1];
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uint8_t x = adli.modulator_40, y = adli.carrier_40;
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uint32_t mode = 1; // 2-op AM
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if(m_channelCategory[c] == ChanCat_Regular ||
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m_channelCategory[c] == ChanCat_Rhythm_Bass)
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{
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mode = adli.feedconn & 1; // 2-op FM or 2-op AM
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}
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else if(m_channelCategory[c] == ChanCat_4op_Master ||
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m_channelCategory[c] == ChanCat_4op_Slave)
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{
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const adldata *i0, *i1;
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if(m_channelCategory[c] == ChanCat_4op_Master)
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{
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i0 = &adli;
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i1 = &m_insCache[c + 3];
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mode = 2; // 4-op xx-xx ops 1&2
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}
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else
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{
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i0 = &m_insCache[c - 3];
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i1 = &adli;
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mode = 6; // 4-op xx-xx ops 3&4
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}
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mode += (i0->feedconn & 1) + (i1->feedconn & 1) * 2;
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}
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static const bool do_ops[10][2] =
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{
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{ false, true }, /* 2 op FM */
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{ true, true }, /* 2 op AM */
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{ false, false }, /* 4 op FM-FM ops 1&2 */
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{ true, false }, /* 4 op AM-FM ops 1&2 */
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{ false, true }, /* 4 op FM-AM ops 1&2 */
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{ true, false }, /* 4 op AM-AM ops 1&2 */
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{ false, true }, /* 4 op FM-FM ops 3&4 */
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{ false, true }, /* 4 op AM-FM ops 3&4 */
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{ false, true }, /* 4 op FM-AM ops 3&4 */
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{ true, true } /* 4 op AM-AM ops 3&4 */
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};
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if(m_musicMode == MODE_RSXX)
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{
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writeRegI(chip, 0x40 + o1, x);
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if(o2 != 0xFFF)
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writeRegI(chip, 0x40 + o2, y - volume / 2);
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}
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else
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{
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bool do_modulator = do_ops[ mode ][ 0 ] || m_scaleModulators;
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bool do_carrier = do_ops[ mode ][ 1 ] || m_scaleModulators;
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uint32_t modulator = do_modulator ? (x | 63) - volume + volume * (x & 63) / 63 : x;
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uint32_t carrier = do_carrier ? (y | 63) - volume + volume * (y & 63) / 63 : y;
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if(brightness != 127)
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{
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brightness = static_cast<uint8_t>(::round(127.0 * ::sqrt((static_cast<double>(brightness)) * (1.0 / 127.0))) / 2.0);
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if(!do_modulator)
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modulator = (modulator | 63) - brightness + brightness * (modulator & 63) / 63;
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if(!do_carrier)
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carrier = (carrier | 63) - brightness + brightness * (carrier & 63) / 63;
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}
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writeRegI(chip, 0x40 + o1, modulator);
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if(o2 != 0xFFF)
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writeRegI(chip, 0x40 + o2, carrier);
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}
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// Correct formula (ST3, AdPlug):
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// 63-((63-(instrvol))/63)*chanvol
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// Reduces to (tested identical):
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// 63 - chanvol + chanvol*instrvol/63
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// Also (slower, floats):
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// 63 + chanvol * (instrvol / 63.0 - 1)
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}
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/*
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void OPL3::Touch(unsigned c, unsigned volume) // Volume maxes at 127*127*127
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{
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if(LogarithmicVolumes)
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Touch_Real(c, volume * 127 / (127 * 127 * 127) / 2);
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else
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{
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// The formula below: SOLVE(V=127^3 * 2^( (A-63.49999) / 8), A)
|
|
Touch_Real(c, volume > 8725 ? static_cast<unsigned int>(std::log(volume) * 11.541561 + (0.5 - 104.22845)) : 0);
|
|
// The incorrect formula below: SOLVE(V=127^3 * (2^(A/63)-1), A)
|
|
//Touch_Real(c, volume>11210 ? 91.61112 * std::log(4.8819E-7*volume + 1.0)+0.5 : 0);
|
|
}
|
|
}*/
|
|
|
|
void OPL3::setPatch(size_t c, const adldata &instrument)
|
|
{
|
|
size_t chip = c / 23, cc = c % 23;
|
|
static const uint8_t data[4] = {0x20, 0x60, 0x80, 0xE0};
|
|
m_insCache[c] = instrument;
|
|
uint16_t o1 = g_operatorsMap[cc * 2 + 0];
|
|
uint16_t o2 = g_operatorsMap[cc * 2 + 1];
|
|
unsigned x = instrument.modulator_E862, y = instrument.carrier_E862;
|
|
|
|
for(size_t a = 0; a < 4; ++a, x >>= 8, y >>= 8)
|
|
{
|
|
writeRegI(chip, data[a] + o1, x & 0xFF);
|
|
if(o2 != 0xFFF)
|
|
writeRegI(chip, data[a] + o2, y & 0xFF);
|
|
}
|
|
}
|
|
|
|
void OPL3::setPan(size_t c, uint8_t value)
|
|
{
|
|
size_t chip = c / 23, cc = c % 23;
|
|
if(g_channelsMap[cc] != 0xFFF)
|
|
{
|
|
#ifndef ADLMIDI_HW_OPL
|
|
if (m_softPanning)
|
|
{
|
|
writePan(chip, g_channelsMap[cc], value);
|
|
writeRegI(chip, 0xC0 + g_channelsMap[cc], m_insCache[c].feedconn | OPL_PANNING_BOTH);
|
|
}
|
|
else
|
|
{
|
|
#endif
|
|
int panning = 0;
|
|
if(value < 64 + 32) panning |= OPL_PANNING_LEFT;
|
|
if(value >= 64 - 32) panning |= OPL_PANNING_RIGHT;
|
|
writePan(chip, g_channelsMap[cc], 64);
|
|
writeRegI(chip, 0xC0 + g_channelsMap[cc], m_insCache[c].feedconn | panning);
|
|
#ifndef ADLMIDI_HW_OPL
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void OPL3::silenceAll() // Silence all OPL channels.
|
|
{
|
|
for(size_t c = 0; c < m_numChannels; ++c)
|
|
{
|
|
noteOff(c);
|
|
touchNote(c, 0);
|
|
}
|
|
}
|
|
|
|
void OPL3::updateChannelCategories()
|
|
{
|
|
const uint32_t fours = m_numFourOps;
|
|
|
|
for(uint32_t chip = 0, fours_left = fours; chip < m_numChips; ++chip)
|
|
{
|
|
m_regBD[chip] = (m_deepTremoloMode * 0x80 + m_deepVibratoMode * 0x40 + m_rhythmMode * 0x20);
|
|
writeRegI(chip, 0x0BD, m_regBD[chip]);
|
|
uint32_t fours_this_chip = std::min(fours_left, static_cast<uint32_t>(6u));
|
|
writeRegI(chip, 0x104, (1 << fours_this_chip) - 1);
|
|
fours_left -= fours_this_chip;
|
|
}
|
|
|
|
if(!m_rhythmMode)
|
|
{
|
|
for(size_t a = 0, n = m_numChips; a < n; ++a)
|
|
{
|
|
for(size_t b = 0; b < 23; ++b)
|
|
{
|
|
m_channelCategory[a * 23 + b] =
|
|
(b >= 18) ? ChanCat_Rhythm_Slave : ChanCat_Regular;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(size_t a = 0, n = m_numChips; a < n; ++a)
|
|
{
|
|
for(size_t b = 0; b < 23; ++b)
|
|
{
|
|
m_channelCategory[a * 23 + b] =
|
|
(b >= 18) ? static_cast<ChanCat>(ChanCat_Rhythm_Bass + (b - 18)) :
|
|
(b >= 6 && b < 9) ? ChanCat_Rhythm_Slave : ChanCat_Regular;
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t nextfour = 0;
|
|
for(uint32_t a = 0; a < fours; ++a)
|
|
{
|
|
m_channelCategory[nextfour] = ChanCat_4op_Master;
|
|
m_channelCategory[nextfour + 3] = ChanCat_4op_Slave;
|
|
|
|
switch(a % 6)
|
|
{
|
|
case 0:
|
|
case 1:
|
|
nextfour += 1;
|
|
break;
|
|
case 2:
|
|
nextfour += 9 - 2;
|
|
break;
|
|
case 3:
|
|
case 4:
|
|
nextfour += 1;
|
|
break;
|
|
case 5:
|
|
nextfour += 23 - 9 - 2;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**/
|
|
/*
|
|
In two-op mode, channels 0..8 go as follows:
|
|
Op1[port] Op2[port]
|
|
Channel 0: 00 00 03 03
|
|
Channel 1: 01 01 04 04
|
|
Channel 2: 02 02 05 05
|
|
Channel 3: 06 08 09 0B
|
|
Channel 4: 07 09 10 0C
|
|
Channel 5: 08 0A 11 0D
|
|
Channel 6: 12 10 15 13
|
|
Channel 7: 13 11 16 14
|
|
Channel 8: 14 12 17 15
|
|
In four-op mode, channels 0..8 go as follows:
|
|
Op1[port] Op2[port] Op3[port] Op4[port]
|
|
Channel 0: 00 00 03 03 06 08 09 0B
|
|
Channel 1: 01 01 04 04 07 09 10 0C
|
|
Channel 2: 02 02 05 05 08 0A 11 0D
|
|
Channel 3: CHANNEL 0 SLAVE
|
|
Channel 4: CHANNEL 1 SLAVE
|
|
Channel 5: CHANNEL 2 SLAVE
|
|
Channel 6: 12 10 15 13
|
|
Channel 7: 13 11 16 14
|
|
Channel 8: 14 12 17 15
|
|
Same goes principally for channels 9-17 respectively.
|
|
*/
|
|
}
|
|
|
|
void OPL3::commitDeepFlags()
|
|
{
|
|
for(size_t chip = 0; chip < m_numChips; ++chip)
|
|
{
|
|
m_regBD[chip] = (m_deepTremoloMode * 0x80 + m_deepVibratoMode * 0x40 + m_rhythmMode * 0x20);
|
|
writeRegI(chip, 0x0BD, m_regBD[chip]);
|
|
}
|
|
}
|
|
|
|
void OPL3::setVolumeScaleModel(ADLMIDI_VolumeModels volumeModel)
|
|
{
|
|
switch(volumeModel)
|
|
{
|
|
case ADLMIDI_VolumeModel_AUTO://Do nothing until restart playing
|
|
break;
|
|
|
|
case ADLMIDI_VolumeModel_Generic:
|
|
m_volumeScale = OPL3::VOLUME_Generic;
|
|
break;
|
|
|
|
case ADLMIDI_VolumeModel_NativeOPL3:
|
|
m_volumeScale = OPL3::VOLUME_NATIVE;
|
|
break;
|
|
|
|
case ADLMIDI_VolumeModel_DMX:
|
|
m_volumeScale = OPL3::VOLUME_DMX;
|
|
break;
|
|
|
|
case ADLMIDI_VolumeModel_APOGEE:
|
|
m_volumeScale = OPL3::VOLUME_APOGEE;
|
|
break;
|
|
|
|
case ADLMIDI_VolumeModel_9X:
|
|
m_volumeScale = OPL3::VOLUME_9X;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ADLMIDI_VolumeModels OPL3::getVolumeScaleModel()
|
|
{
|
|
switch(m_volumeScale)
|
|
{
|
|
default:
|
|
case OPL3::VOLUME_Generic:
|
|
return ADLMIDI_VolumeModel_Generic;
|
|
case OPL3::VOLUME_NATIVE:
|
|
return ADLMIDI_VolumeModel_NativeOPL3;
|
|
case OPL3::VOLUME_DMX:
|
|
return ADLMIDI_VolumeModel_DMX;
|
|
case OPL3::VOLUME_APOGEE:
|
|
return ADLMIDI_VolumeModel_APOGEE;
|
|
case OPL3::VOLUME_9X:
|
|
return ADLMIDI_VolumeModel_9X;
|
|
}
|
|
}
|
|
|
|
#ifndef ADLMIDI_HW_OPL
|
|
void OPL3::clearChips()
|
|
{
|
|
for(size_t i = 0; i < m_chips.size(); i++)
|
|
m_chips[i].reset(NULL);
|
|
m_chips.clear();
|
|
}
|
|
#endif
|
|
|
|
void OPL3::reset(int emulator, unsigned long PCM_RATE, void *audioTickHandler)
|
|
{
|
|
#ifndef ADLMIDI_HW_OPL
|
|
clearChips();
|
|
#else
|
|
(void)emulator;
|
|
(void)PCM_RATE;
|
|
#endif
|
|
#if !defined(ADLMIDI_AUDIO_TICK_HANDLER)
|
|
(void)audioTickHandler;
|
|
#endif
|
|
m_insCache.clear();
|
|
m_keyBlockFNumCache.clear();
|
|
m_regBD.clear();
|
|
|
|
#ifndef ADLMIDI_HW_OPL
|
|
m_chips.resize(m_numChips, AdlMIDI_SPtr<OPLChipBase>());
|
|
#endif
|
|
|
|
const struct adldata defaultInsCache = { 0x1557403,0x005B381, 0x49,0x80, 0x4, +0 };
|
|
m_numChannels = m_numChips * 23;
|
|
m_insCache.resize(m_numChannels, defaultInsCache);
|
|
m_keyBlockFNumCache.resize(m_numChannels, 0);
|
|
m_regBD.resize(m_numChips, 0);
|
|
m_channelCategory.resize(m_numChannels, 0);
|
|
|
|
for(size_t p = 0, a = 0; a < m_numChips; ++a)
|
|
{
|
|
for(size_t b = 0; b < 18; ++b)
|
|
m_channelCategory[p++] = 0;
|
|
for(size_t b = 0; b < 5; ++b)
|
|
m_channelCategory[p++] = ChanCat_Rhythm_Slave;
|
|
}
|
|
|
|
static const uint16_t data[] =
|
|
{
|
|
0x004, 96, 0x004, 128, // Pulse timer
|
|
0x105, 0, 0x105, 1, 0x105, 0, // Pulse OPL3 enable
|
|
0x001, 32, 0x105, 1 // Enable wave, OPL3 extensions
|
|
};
|
|
// size_t fours = m_numFourOps;
|
|
|
|
for(size_t i = 0; i < m_numChips; ++i)
|
|
{
|
|
#ifndef ADLMIDI_HW_OPL
|
|
OPLChipBase *chip;
|
|
switch(emulator)
|
|
{
|
|
default:
|
|
assert(false);
|
|
abort();
|
|
#ifndef ADLMIDI_DISABLE_NUKED_EMULATOR
|
|
case ADLMIDI_EMU_NUKED: /* Latest Nuked OPL3 */
|
|
chip = new NukedOPL3;
|
|
break;
|
|
case ADLMIDI_EMU_NUKED_174: /* Old Nuked OPL3 1.4.7 modified and optimized */
|
|
chip = new NukedOPL3v174;
|
|
break;
|
|
#endif
|
|
#ifndef ADLMIDI_DISABLE_DOSBOX_EMULATOR
|
|
case ADLMIDI_EMU_DOSBOX:
|
|
chip = new DosBoxOPL3;
|
|
break;
|
|
#endif
|
|
}
|
|
m_chips[i].reset(chip);
|
|
chip->setChipId((uint32_t)i);
|
|
chip->setRate((uint32_t)PCM_RATE);
|
|
if(m_runAtPcmRate)
|
|
chip->setRunningAtPcmRate(true);
|
|
# if defined(ADLMIDI_AUDIO_TICK_HANDLER)
|
|
chip->setAudioTickHandlerInstance(audioTickHandler);
|
|
# endif
|
|
#endif // ADLMIDI_HW_OPL
|
|
|
|
/* Clean-up channels from any playing junk sounds */
|
|
for(size_t a = 0; a < 18; ++a)
|
|
writeRegI(i, 0xB0 + g_channelsMap[a], 0x00);
|
|
for(size_t a = 0; a < sizeof(data) / sizeof(*data); a += 2)
|
|
writeRegI(i, data[a], (data[a + 1]));
|
|
}
|
|
|
|
updateChannelCategories();
|
|
silenceAll();
|
|
}
|