/* * 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 Ym3812LLEOPL2::Ym3812LLEOPL2() : OPLChipBaseT() { m_chip = nopl2_init(14318182, m_rate); setRate(m_rate); } Ym3812LLEOPL2::~Ym3812LLEOPL2() { fmopl2_t *chip_r = reinterpret_cast(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; }