/* * Interfaces over Yamaha OPL3 (ym3812) 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 "mame_opl2.h" #include "mame/opl.h" #include MameOPL2::MameOPL2() : OPLChipBaseT() { m_chip = YM3812Create(false); MameOPL2::setRate(m_rate); } MameOPL2::~MameOPL2() { OPLEmul *chip_r = reinterpret_cast(m_chip); delete chip_r; } void MameOPL2::setRate(uint32_t rate) { OPLChipBaseT::setRate(rate); OPLEmul *chip_r = reinterpret_cast(m_chip); chip_r->Reset(); } void MameOPL2::reset() { OPLChipBaseT::reset(); OPLEmul *chip_r = reinterpret_cast(m_chip); chip_r->Reset(); } void MameOPL2::writeReg(uint16_t addr, uint8_t data) { OPLEmul *chip_r = reinterpret_cast(m_chip); chip_r->WriteReg(addr, data); } void MameOPL2::nativeGenerate(int16_t *frame) { OPLEmul *chip_r = reinterpret_cast(m_chip); frame[0] = 0; chip_r->UpdateS(frame, 1); frame[1] = frame[0]; } const char *MameOPL2::emulatorName() { return "MAME OPL2"; } bool MameOPL2::hasFullPanning() { return false; } OPLChipBase::ChipType MameOPL2::chipType() { return CHIPTYPE_OPL2; }