1 files changed, 80 insertions, 0 deletions
diff --git a/src/chips/esfmu_opl3.cpp b/src/chips/esfmu_opl3.cpp
new file mode 100644
index 0000000..4f4a96d
--- /dev/null
+++ b/src/chips/esfmu_opl3.cpp
@@ -0,0 +1,80 @@
+/*
+ * 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;
+    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)
+{
+    esfm_chip *chip_r = reinterpret_cast<esfm_chip*>(m_chip);
+    // OPL3_WritePan(chip_r, addr, 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";
+}
+
+OPLChipBase::ChipType ESFMuOPL3::chipType()
+{
+    return CHIPTYPE_OPL3;
+}