// license:GPL-2.0+ // copyright-holders:Jarek Burczynski, Hiromitsu Shioya #ifndef MAME_SOUND_MSM5232_H #define MAME_SOUND_MSM5232_H #pragma once class msm5232_device : public device_t, public device_sound_interface { public: msm5232_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); void set_capacitors(double cap1, double cap2, double cap3, double cap4, double cap5, double cap6, double cap7, double cap8); auto gate() { return m_gate_handler_cb.bind(); } DECLARE_WRITE8_MEMBER( write ); void set_clock(int clock); protected: // device-level overrides virtual void device_start() override; virtual void device_stop() override; virtual void device_reset() override; virtual void device_post_load() override; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; private: struct VOICE { uint8_t mode; int TG_count_period; int TG_count; uint8_t TG_cnt; /* 7 bits binary counter (frequency output) */ uint8_t TG_out16; /* bit number (of TG_cnt) for 16' output */ uint8_t TG_out8; /* bit number (of TG_cnt) for 8' output */ uint8_t TG_out4; /* bit number (of TG_cnt) for 4' output */ uint8_t TG_out2; /* bit number (of TG_cnt) for 2' output */ int egvol; int eg_sect; int counter; int eg; uint8_t eg_arm; /* attack/release mode */ double ar_rate; double dr_rate; double rr_rate; int pitch; /* current pitch data */ int GF; }; // internal state sound_stream *m_stream; VOICE m_voi[8]; uint32_t m_EN_out16[2]; /* enable 16' output masks for both groups (0-disabled ; ~0 -enabled) */ uint32_t m_EN_out8[2]; /* enable 8' output masks */ uint32_t m_EN_out4[2]; /* enable 4' output masks */ uint32_t m_EN_out2[2]; /* enable 2' output masks */ int m_noise_cnt; int m_noise_step; int m_noise_rng; int m_noise_clocks; /* number of the noise_rng (output) level changes */ unsigned int m_UpdateStep; /* rate tables */ double m_ar_tbl[8]; double m_dr_tbl[16]; uint8_t m_control1; uint8_t m_control2; int m_gate; /* current state of the GATE output */ int m_chip_clock; /* chip clock in Hz */ int m_rate; /* sample rate in Hz */ double m_external_capacity[8]; /* in Farads, eg 0.39e-6 = 0.36 uF (microFarads) */ devcb_write_line m_gate_handler_cb;/* callback called when the GATE output pin changes state */ void init_tables(); void init_voice(int i); void gate_update(); void init(int clock, int rate); void EG_voices_advance(); void TG_group_advance(int groupidx); }; DECLARE_DEVICE_TYPE(MSM5232, msm5232_device) #endif // MAME_SOUND_MSM5232_H