/********************************************************************** NEC uPD1771 **********************************************************************/ #ifndef __UPD1771_H__ #define __UPD1771_H__ #include "devcb.h" /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ struct upd1771_interface { devcb_write_line ack_callback; }; /*************************************************************************** MACROS / CONSTANTS ***************************************************************************/ class upd1771c_device : public device_t, public device_sound_interface { public: upd1771c_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); ~upd1771c_device() { global_free(m_token); } // access to legacy token void *token() const { assert(m_token != NULL); return m_token; } protected: // device-level overrides virtual void device_config_complete(); virtual void device_start(); virtual void device_stop(); virtual void device_reset(); // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); private: // internal state void *m_token; }; extern const device_type UPD1771C; /*************************************************************************** PROTOTYPES ***************************************************************************/ DECLARE_READ8_DEVICE_HANDLER( upd1771_r ); DECLARE_WRITE8_DEVICE_HANDLER( upd1771_w ); WRITE_LINE_DEVICE_HANDLER( upd1771_pcm_w ); #endif /* __UPD1771_H__ */