#pragma once #ifndef __VLM5030_H__ #define __VLM5030_H__ class vlm5030_device : public device_t, public device_sound_interface { public: vlm5030_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); ~vlm5030_device() {} /* set speech rom address */ void set_rom(void *speech_rom); /* get BSY pin level */ DECLARE_READ_LINE_MEMBER( bsy ); /* latch contoll data */ DECLARE_WRITE8_MEMBER( data_w ); /* set RST pin level : reset / set table address A8-A15 */ DECLARE_WRITE_LINE_MEMBER( rst ); /* set VCU pin level : ?? unknown */ DECLARE_WRITE_LINE_MEMBER( vcu ); /* set ST pin level : set table address A0-A7 / start speech */ DECLARE_WRITE_LINE_MEMBER( st ); protected: // device-level overrides 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 sound_stream * m_channel; /* coefficient tables */ const struct tms5100_coeffs *m_coeff; /* need to save state */ UINT8 *m_rom; int m_address_mask; UINT16 m_address; UINT8 m_pin_BSY; UINT8 m_pin_ST; UINT8 m_pin_VCU; UINT8 m_pin_RST; UINT8 m_latch_data; UINT16 m_vcu_addr_h; UINT8 m_parameter; UINT8 m_phase; /* state of option paramter */ int m_frame_size; int m_pitch_offset; UINT8 m_interp_step; UINT8 m_interp_count; /* number of interp periods */ UINT8 m_sample_count; /* sample number within interp */ UINT8 m_pitch_count; /* these contain data describing the current and previous voice frames */ UINT16 m_old_energy; UINT8 m_old_pitch; INT16 m_old_k[10]; UINT16 m_target_energy; UINT8 m_target_pitch; INT16 m_target_k[10]; UINT16 m_new_energy; UINT8 m_new_pitch; INT16 m_new_k[10]; /* these are all used to contain the current state of the sound generation */ unsigned int m_current_energy; unsigned int m_current_pitch; int m_current_k[10]; INT32 m_x[10]; int get_bits(int sbit,int bits); int parse_frame(); void update(); void setup_parameter(UINT8 param); void restore_state(); }; extern const device_type VLM5030; #endif /* __VLM5030_H__ */