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#pragma once
#ifndef __3812INTF_H__
#define __3812INTF_H__
#include "devlegcy.h"
struct ym3812_interface
{
void (*handler)(device_t *device, int linestate);
};
DECLARE_READ8_DEVICE_HANDLER( ym3812_r );
DECLARE_WRITE8_DEVICE_HANDLER( ym3812_w );
DECLARE_READ8_DEVICE_HANDLER( ym3812_status_port_r );
DECLARE_READ8_DEVICE_HANDLER( ym3812_read_port_r );
DECLARE_WRITE8_DEVICE_HANDLER( ym3812_control_port_w );
DECLARE_WRITE8_DEVICE_HANDLER( ym3812_write_port_w );
class ym3812_device : public device_t,
public device_sound_interface
{
public:
ym3812_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~ym3812_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 YM3812;
#endif /* __3812INTF_H__ */
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