// license:GPL-2.0+ // copyright-holders:Jarek Burczynski, Hiromitsu Shioya #pragma once #ifndef __MSM5232_H__ #define __MSM5232_H__ #define MCFG_MSM5232_SET_CAPACITORS(_a, _b, _c, _d, _e, _f, _g, _h) \ msm5232_device::static_set_capacitors(*device, _a, _b, _c, _d, _e, _f, _g, _h); #define MCFG_MSM5232_GATE_HANDLER_CB(_devcb) \ devcb = &msm5232_device::set_gate_handler_callback(*device, DEVCB_##_devcb); struct VOICE { UINT8 mode; int TG_count_period; int TG_count; UINT8 TG_cnt; /* 7 bits binary counter (frequency output) */ UINT8 TG_out16; /* bit number (of TG_cnt) for 16' output */ UINT8 TG_out8; /* bit number (of TG_cnt) for 8' output */ UINT8 TG_out4; /* bit number (of TG_cnt) for 4' output */ UINT8 TG_out2; /* bit number (of TG_cnt) for 2' output */ int egvol; int eg_sect; int counter; int eg; UINT8 eg_arm; /* attack/release mode */ double ar_rate; double dr_rate; double rr_rate; int pitch; /* current pitch data */ int GF; }; class msm5232_device : public device_t, public device_sound_interface { public: msm5232_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); ~msm5232_device() {} static void static_set_capacitors(device_t &device, double cap1, double cap2, double cap3, double cap4, double cap5, double cap6, double cap7, double cap8); template static devcb_base &set_gate_handler_callback(device_t &device, _Object object) { return downcast(device).m_gate_handler_cb.set_callback(object); } 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; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; private: // internal state sound_stream *m_stream; VOICE m_voi[8]; UINT32 m_EN_out16[2]; /* enable 16' output masks for both groups (0-disabled ; ~0 -enabled) */ UINT32 m_EN_out8[2]; /* enable 8' output masks */ UINT32 m_EN_out4[2]; /* enable 4' output masks */ UINT32 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 m_control1; UINT8 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); void postload(); }; extern const device_type MSM5232; #endif /* __MSM5232_H__ */