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-rw-r--r--src/devices/sound/ymopm.cpp81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/devices/sound/ymopm.cpp b/src/devices/sound/ymopm.cpp
new file mode 100644
index 00000000000..a75da72b449
--- /dev/null
+++ b/src/devices/sound/ymopm.cpp
@@ -0,0 +1,81 @@
+// license:BSD-3-Clause
+// copyright-holders:Aaron Giles
+
+#include "emu.h"
+#include "ymopm.h"
+
+
+//*********************************************************
+// YM2151 DEVICE
+//*********************************************************
+
+DEFINE_DEVICE_TYPE(YM2151, ym2151_device, "ym2151", "YM2151 OPM")
+
+//-------------------------------------------------
+// ym2151_device - constructor
+//-------------------------------------------------
+
+ym2151_device::ym2151_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ ymfm_device_base<ymfm::ym2151>(mconfig, tag, owner, clock, YM2151),
+ m_reset_state(1)
+{
+}
+
+
+//-------------------------------------------------
+// write/register_w/data_w - write access
+//-------------------------------------------------
+
+void ym2151_device::write(offs_t offset, u8 data)
+{
+ if (m_reset_state == 0)
+ return;
+ parent::write(offset, data);
+}
+
+void ym2151_device::address_w(u8 data)
+{
+ if (m_reset_state == 0)
+ return;
+ parent::address_w(data);
+}
+
+void ym2151_device::data_w(u8 data)
+{
+ if (m_reset_state == 0)
+ return;
+ parent::data_w(data);
+}
+
+
+//-------------------------------------------------
+// reset_w - reset line, active LOW
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER(ym2151_device::reset_w)
+{
+ if (state != m_reset_state)
+ {
+ m_stream->update();
+ m_reset_state = state;
+ if (state != 0)
+ m_chip.reset();
+ }
+}
+
+
+
+//*********************************************************
+// YM2164 DEVICE
+//*********************************************************
+
+DEFINE_DEVICE_TYPE(YM2164, ym2164_device, "ym2164", "YM2164 OPP")
+
+//-------------------------------------------------
+// ym2164_device - constructor
+//-------------------------------------------------
+
+ym2164_device::ym2164_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ ymfm_device_base<ymfm::ym2164>(mconfig, tag, owner, clock, YM2164)
+{
+}