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#pragma once

#ifndef __2203INTF_H__

#define __2203INTF_H__

#include "devlegcy.h"

#include "ay8910.h"

void ym2203_update_request(void *param);

struct ym2203_interface

{

        const ay8910_interface ay8910_intf;

        devcb_write_line irqhandler;

};

DECLARE_READ8_DEVICE_HANDLER( ym2203_r );

DECLARE_WRITE8_DEVICE_HANDLER( ym2203_w );

DECLARE_READ8_DEVICE_HANDLER( ym2203_status_port_r );

DECLARE_READ8_DEVICE_HANDLER( ym2203_read_port_r );

DECLARE_WRITE8_DEVICE_HANDLER( ym2203_control_port_w );

DECLARE_WRITE8_DEVICE_HANDLER( ym2203_write_port_w );

class ym2203_device : public device_t,

                                                                        public device_sound_interface

{

public:

        ym2203_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);

        ~ym2203_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 YM2203;

#endif /* __2203INTF_H__ */