#pragma once #ifndef __CEM3394_H__ #define __CEM3394_H__ #include "devlegcy.h" #define CEM3394_SAMPLE_RATE (44100*4) /* interface */ struct cem3394_interface { double vco_zero_freq; /* frequency at 0V for VCO */ double filter_zero_freq; /* frequency at 0V for filter */ void (*external)(device_t *, int, short *);/* external input source */ }; /* inputs */ enum { CEM3394_VCO_FREQUENCY = 0, CEM3394_MODULATION_AMOUNT, CEM3394_WAVE_SELECT, CEM3394_PULSE_WIDTH, CEM3394_MIXER_BALANCE, CEM3394_FILTER_RESONANCE, CEM3394_FILTER_FREQENCY, CEM3394_FINAL_GAIN }; /* set the voltage going to a particular parameter */ void cem3394_set_voltage(device_t *device, int input, double voltage); /* get the translated parameter associated with the given input as follows: CEM3394_VCO_FREQUENCY: frequency in Hz CEM3394_MODULATION_AMOUNT: scale factor, 0.0 to 2.0 CEM3394_WAVE_SELECT: voltage from this line CEM3394_PULSE_WIDTH: width fraction, from 0.0 to 1.0 CEM3394_MIXER_BALANCE: balance, from -1.0 to 1.0 CEM3394_FILTER_RESONANCE: resonance, from 0.0 to 1.0 CEM3394_FILTER_FREQENCY: frequency, in Hz CEM3394_FINAL_GAIN: gain, in dB */ double cem3394_get_parameter(device_t *device, int input); class cem3394_device : public device_t, public device_sound_interface { public: cem3394_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); ~cem3394_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 CEM3394; #endif /* __CEM3394_H__ */