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/*********************************************************/
/* SEGA 8bit PCM */
/*********************************************************/
#pragma once
#ifndef __SEGAPCM_H__
#define __SEGAPCM_H__
#include "devlegcy.h"
#define BANK_256 (11)
#define BANK_512 (12)
#define BANK_12M (13)
#define BANK_MASK7 (0x70<<16)
#define BANK_MASKF (0xf0<<16)
#define BANK_MASKF8 (0xf8<<16)
struct sega_pcm_interface
{
int bank;
};
DECLARE_WRITE8_DEVICE_HANDLER( sega_pcm_w );
DECLARE_READ8_DEVICE_HANDLER( sega_pcm_r );
class segapcm_device : public device_t,
public device_sound_interface
{
public:
segapcm_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~segapcm_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();
// 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 SEGAPCM;
#endif /* __SEGAPCM_H__ */
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