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-rw-r--r--src/mame/audio/arcadia.h44
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diff --git a/src/mame/audio/arcadia.h b/src/mame/audio/arcadia.h
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+// license:GPL-2.0+
+// copyright-holders:Peter Trauner
+#ifndef ARCADIA_SOUND_H_
+#define ARCADIA_SOUND_H_
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_ARCADIA_SOUND_ADD(_tag) \
+ MCFG_SOUND_ADD(_tag, ARCADIA_SOUND, 0)
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> arcadia_sound_device
+
+class arcadia_sound_device : public device_t,
+ public device_sound_interface
+{
+public:
+ // construction/destruction
+ arcadia_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ DECLARE_WRITE8_MEMBER(write);
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
+
+ sound_stream *m_channel;
+ UINT8 m_reg[3];
+ int m_size, m_pos,m_tval,m_nval;
+ unsigned m_mode, m_omode;
+ unsigned m_volume;
+ unsigned m_lfsr;
+};
+
+// device type definition
+extern const device_type ARCADIA_SOUND;
+
+#endif /* ARCADIA_SOUND_H_ */