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/*
* Interfaces over Yamaha OPL3 (YMF262) chip emulators
*
* Copyright (c) 2017-2025 Vitaly Novichkov (Wohlstand)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "esfmu_opl3.h"
#include "esfmu/esfm.h"
#include <cstring>
ESFMuOPL3::ESFMuOPL3() :
OPLChipBaseT()
{
m_chip = new esfm_chip;
ESFMuOPL3::setRate(m_rate);
}
ESFMuOPL3::~ESFMuOPL3()
{
esfm_chip *chip_r = reinterpret_cast<esfm_chip*>(m_chip);
delete chip_r;
}
void ESFMuOPL3::setRate(uint32_t rate)
{
OPLChipBaseT::setRate(rate);
esfm_chip *chip_r = reinterpret_cast<esfm_chip*>(m_chip);
std::memset(chip_r, 0, sizeof(esfm_chip));
ESFM_init(chip_r/*, rate*/);
}
void ESFMuOPL3::reset()
{
OPLChipBaseT::reset();
esfm_chip *chip_r = reinterpret_cast<esfm_chip*>(m_chip);
std::memset(chip_r, 0, sizeof(esfm_chip));
ESFM_init(chip_r/*, m_rate*/);
}
void ESFMuOPL3::writeReg(uint16_t addr, uint8_t data)
{
esfm_chip *chip_r = reinterpret_cast<esfm_chip*>(m_chip);
ESFM_write_reg_buffered_fast(chip_r, addr, data);
}
void ESFMuOPL3::writePan(uint16_t addr, uint8_t data)
{
// FIXME: Implement panning support
// esfm_chip *chip_r = reinterpret_cast<esfm_chip*>(m_chip);
// ESFM_write?pan(chip_r, addr, data);
(void)(addr);
(void)(data);
}
void ESFMuOPL3::nativeGenerate(int16_t *frame)
{
esfm_chip *chip_r = reinterpret_cast<esfm_chip*>(m_chip);
ESFM_generate(chip_r, frame);
}
const char *ESFMuOPL3::emulatorName()
{
return "ESFMu";
}
bool ESFMuOPL3::hasFullPanning()
{
return false;
}
OPLChipBase::ChipType ESFMuOPL3::chipType()
{
return CHIPTYPE_ESFM;
}
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