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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 "ym3812_lle.h"
#include "ym3812_lle/nuked_fmopl2.h"
#include "ym3812_lle/nopl2.h"
#include <cstring>
Ym3812LLEOPL2::Ym3812LLEOPL2() :
OPLChipBaseT()
{
m_chip = nopl2_init(14318182, m_rate);
setRate(m_rate);
}
Ym3812LLEOPL2::~Ym3812LLEOPL2()
{
fmopl2_t *chip_r = reinterpret_cast<fmopl2_t*>(m_chip);
nopl2_shutdown(chip_r);
}
void Ym3812LLEOPL2::setRate(uint32_t rate)
{
OPLChipBaseT::setRate(rate);
nopl2_set_rate(m_chip, 14318182, rate);
}
void Ym3812LLEOPL2::reset()
{
OPLChipBaseT::reset();
nopl2_reset(m_chip);
}
void Ym3812LLEOPL2::writeReg(uint16_t addr, uint8_t data)
{
nopl2_write(m_chip, 2 * ((addr >> 8) & 3), addr);
nopl2_write(m_chip, 1, data);
}
void Ym3812LLEOPL2::writePan(uint16_t addr, uint8_t data)
{
(void)addr;
(void)data;
// Uninmplemented
}
void Ym3812LLEOPL2::nativeGenerate(int16_t *frame)
{
nopl2_getsample_one_native(m_chip, frame);
}
const char *Ym3812LLEOPL2::emulatorName()
{
return "YM3812-LLE OPL2";
}
bool Ym3812LLEOPL2::hasFullPanning()
{
return false;
}
OPLChipBase::ChipType Ym3812LLEOPL2::chipType()
{
return CHIPTYPE_OPL2;
}
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