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+/**********************************************************************
+
+ RCA CDP1863 CMOS 8-Bit Programmable Frequency Generator emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************
+ _____ _____
+ _RESET 1 |* \_/ | 16 Vdd
+ CLK 2 2 | | 15 OE
+ CLK 1 3 | | 14 OUT
+ STR 4 | CDP1863 | 13 DO7
+ DI0 5 | | 12 DI6
+ DI1 6 | | 11 DI5
+ DI2 7 | | 10 DI4
+ Vss 8 |_____________| 9 DI3
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __CDP1863__
+#define __CDP1863__
+
+#include "emu.h"
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_CDP1863_ADD(_tag, _clock, _clock2) \
+ MCFG_DEVICE_ADD(_tag, CDP1863, _clock) \
+ cdp1863_device::static_set_config(*device, _clock2);
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> cdp1863_device
+
+class cdp1863_device : public device_t,
+ public device_sound_interface
+{
+public:
+ // construction/destruction
+ cdp1863_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // inline configuration helpers
+ static void static_set_config(device_t &device, int clock2);
+
+ DECLARE_WRITE8_MEMBER( str_w );
+ void str_w(UINT8 data);
+
+ DECLARE_WRITE_LINE_MEMBER( oe_w );
+
+ void set_clk1(int clock);
+ void set_clk2(int clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+
+ // internal callbacks
+ virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
+
+private:
+ sound_stream *m_stream;
+
+ int m_clock1; // clock 1
+ int m_clock2; // clock 2
+
+ // sound state
+ int m_oe; // output enable
+ int m_latch; // sound latch
+ INT16 m_signal; // current signal
+ int m_incr; // initial wave state
+};
+
+
+// device type definition
+extern const device_type CDP1863;
+
+
+
+#endif