#pragma once #ifndef __ES8712_H__ #define __ES8712_H__ #include "devlegcy.h" /* An interface for the ES8712 ADPCM chip */ void es8712_play(device_t *device); void es8712_set_bank_base(device_t *device, int base); void es8712_set_frequency(device_t *device, int frequency); DECLARE_WRITE8_DEVICE_HANDLER( es8712_w ); class es8712_device : public device_t, public device_sound_interface { public: es8712_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); ~es8712_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_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 ES8712; #endif /* __ES8712_H__ */