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86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
/*
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* Interfaces over Yamaha OPL3 (YMF262) chip emulators
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*
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* Copyright (c) 2017-2020 Vitaly Novichkov (Wohlstand)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "opal_opl3.h"
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#include "opal/opal.hpp"
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#include <new>
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#include <cstring>
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OpalOPL3::OpalOPL3() :
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OPLChipBaseT()
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{
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m_chip = new Opal(m_rate);
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setRate(m_rate);
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}
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OpalOPL3::~OpalOPL3()
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{
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Opal *chip_r = reinterpret_cast<Opal *>(m_chip);
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delete chip_r;
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}
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void OpalOPL3::setRate(uint32_t rate)
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{
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OPLChipBaseT::setRate(rate);
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Opal *chip_r = reinterpret_cast<Opal *>(m_chip);
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chip_r->~Opal();
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new (chip_r) Opal(effectiveRate());
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}
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void OpalOPL3::reset()
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{
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OPLChipBaseT::reset();
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Opal *chip_r = reinterpret_cast<Opal *>(m_chip);
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chip_r->~Opal();
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new (chip_r) Opal(effectiveRate());
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}
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void OpalOPL3::writeReg(uint16_t addr, uint8_t data)
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{
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Opal *chip_r = reinterpret_cast<Opal *>(m_chip);
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chip_r->Port(addr, data);
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}
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void OpalOPL3::writePan(uint16_t addr, uint8_t data)
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{
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#ifdef OPAL_HAVE_SOFT_PANNING
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Opal *chip_r = reinterpret_cast<Opal *>(m_chip);
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chip_r->Pan(addr, data);
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#else
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(void)addr;
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(void)data;
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#endif
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}
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void OpalOPL3::nativeGenerate(int16_t *frame)
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{
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Opal *chip_r = reinterpret_cast<Opal *>(m_chip);
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chip_r->Sample(&frame[0], &frame[1]);
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}
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const char *OpalOPL3::emulatorName()
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{
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return "Opal OPL3";
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}
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OPLChipBase::ChipType OpalOPL3::chipType()
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{
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return CHIPTYPE_OPL3;
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}
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