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[/] [sqmusic/] [trunk/] [mame/] [2203intf.h] - Rev 17

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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__ */
 

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