[Experimental] Added support for emulation core switching in real time!

Due to clunky playback on updated Nuked OPL3 emulator v 1.8, I kept the Nuked OPL3 1.7.4 work in parallel and be a separated switchable emulator.

1 files changed, 67 insertions, 0 deletions

diff --git a/src/chips/nuked_opl3_v174.cpp b/src/chips/nuked_opl3_v174.cpp
new file mode 100644
index 0000000..7188e83
--- /dev/null
+++ b/src/chips/nuked_opl3_v174.cpp
@@ -0,0 +1,67 @@
+#include "nuked_opl3_v174.h"
+#include "nuked/nukedopl3_174.h"
+#include <cstring>
+
+NukedOPL3v174::NukedOPL3v174() :
+    OPLChipBase()
+{
+    m_chip = new opl3_chip;
+    reset(m_rate);
+}
+
+NukedOPL3v174::NukedOPL3v174(const NukedOPL3v174 &c):
+    OPLChipBase(c)
+{
+    m_chip = new opl3_chip;
+    std::memset(m_chip, 0, sizeof(opl3_chip));
+    reset(c.m_rate);
+}
+
+NukedOPL3v174::~NukedOPL3v174()
+{
+    opl3_chip *chip_r = reinterpret_cast<opl3_chip*>(m_chip);
+    delete chip_r;
+}
+
+void NukedOPL3v174::setRate(uint32_t rate)
+{
+    OPLChipBase::setRate(rate);
+    opl3_chip *chip_r = reinterpret_cast<opl3_chip*>(m_chip);
+    std::memset(chip_r, 0, sizeof(opl3_chip));
+    OPL3v17_Reset(chip_r, rate);
+}
+
+void NukedOPL3v174::reset()
+{
+    setRate(m_rate);
+}
+
+void NukedOPL3v174::reset(uint32_t rate)
+{
+    setRate(rate);
+}
+
+void NukedOPL3v174::writeReg(uint16_t addr, uint8_t data)
+{
+    opl3_chip *chip_r = reinterpret_cast<opl3_chip*>(m_chip);
+    OPL3v17_WriteReg(chip_r, addr, data);
+}
+
+int NukedOPL3v174::generate(int16_t *output, size_t frames)
+{
+    opl3_chip *chip_r = reinterpret_cast<opl3_chip*>(m_chip);
+    OPL3v17_GenerateStream(chip_r, output, (Bit32u)frames);
+    return (int)frames;
+}
+
+int NukedOPL3v174::generateAndMix(int16_t *output, size_t frames)
+{
+    opl3_chip *chip_r = reinterpret_cast<opl3_chip*>(m_chip);
+    OPL3v17_GenerateStreamMix(chip_r, output, (Bit32u)frames);
+    return (int)frames;
+}
+
+const char *NukedOPL3v174::emulatorName()
+{
+    return "Nuked OPL3 (v 1.7.4)";
+}