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-rw-r--r--src/mess/machine/vp595.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/mess/machine/vp595.c b/src/mess/machine/vp595.c
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index 00000000000..eed81ea539c
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+++ b/src/mess/machine/vp595.c
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+/**********************************************************************
+
+ RCA VIP Simple Sound Board VP595 emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#include "vp595.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define CDP1863_TAG "u1"
+#define CDP1863_XTAL 440560
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type VP595 = &device_creator<vp595_device>;
+
+
+//-------------------------------------------------
+// MACHINE_CONFIG_FRAGMENT( vp595 )
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT( vp595 )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_CDP1863_ADD(CDP1863_TAG, 0, CDP1863_XTAL)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+MACHINE_CONFIG_END
+
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor vp595_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( vp595 );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// vp595_device - constructor
+//-------------------------------------------------
+
+vp595_device::vp595_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, VP595, "VP595", tag, owner, clock),
+ device_vip_expansion_card_interface(mconfig, *this),
+ m_pfg(*this, CDP1863_TAG)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void vp595_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// vip_io_w - I/O write
+//-------------------------------------------------
+
+void vp595_device::vip_io_w(address_space &space, offs_t offset, UINT8 data)
+{
+ if (offset == 0x03)
+ {
+ if (!data) data = 0x80;
+
+ m_pfg->str_w(data);
+ }
+}
+
+
+//-------------------------------------------------
+// vip_q_w - Q write
+//-------------------------------------------------
+
+void vp595_device::vip_q_w(int state)
+{
+ m_pfg->oe_w(state);
+}