mirror of
https://github.com/ZDoom/gzdoom-gles.git
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75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
/*
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* Interfaces over Yamaha OPN2 (YM2612) chip emulators
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*
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* Copyright (C) 2017-2018 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 "nuked_opn2.h"
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#include "nuked/ym3438.h"
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#include <cstring>
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NukedOPN2::NukedOPN2()
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{
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OPN2_SetChipType(ym3438_type_asic);
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chip = new ym3438_t;
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setRate(m_rate, m_clock);
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}
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NukedOPN2::~NukedOPN2()
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{
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ym3438_t *chip_r = reinterpret_cast<ym3438_t*>(chip);
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delete chip_r;
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}
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void NukedOPN2::setRate(uint32_t rate, uint32_t clock)
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{
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OPNChipBaseT::setRate(rate, clock);
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ym3438_t *chip_r = reinterpret_cast<ym3438_t*>(chip);
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OPN2_Reset(chip_r, rate, clock);
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}
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void NukedOPN2::reset()
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{
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OPNChipBaseT::reset();
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ym3438_t *chip_r = reinterpret_cast<ym3438_t*>(chip);
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OPN2_Reset(chip_r, m_rate, m_clock);
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}
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void NukedOPN2::writeReg(uint32_t port, uint16_t addr, uint8_t data)
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{
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ym3438_t *chip_r = reinterpret_cast<ym3438_t*>(chip);
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OPN2_WriteBuffered(chip_r, 0 + (port) * 2, (uint8_t)addr);
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OPN2_WriteBuffered(chip_r, 1 + (port) * 2, data);
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//qDebug() << QString("%1: 0x%2 => 0x%3").arg(port).arg(addr, 2, 16, QChar('0')).arg(data, 2, 16, QChar('0'));
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}
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void NukedOPN2::writePan(uint16_t chan, uint8_t data)
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{
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ym3438_t *chip_r = reinterpret_cast<ym3438_t*>(chip);
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OPN2_WritePan(chip_r, (Bit32u)chan, data);
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}
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void NukedOPN2::nativeGenerate(int16_t *frame)
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{
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ym3438_t *chip_r = reinterpret_cast<ym3438_t*>(chip);
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OPN2_Generate(chip_r, frame);
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}
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const char *NukedOPN2::emulatorName()
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{
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return "Nuked OPN2";
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}
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