// license:BSD-3-Clause // copyright-holders:Aaron Giles /********************************************************************************************** * * Ensoniq ES5505/6 driver * by Aaron Giles * **********************************************************************************************/ #ifndef MAME_SOUND_ES5506_H #define MAME_SOUND_ES5506_H #pragma once #define ES5506_MAKE_WAVS 0 #define MCFG_ES5506_REGION0(_region) \ downcast(*device).set_region0(_region); #define MCFG_ES5506_REGION1(_region) \ downcast(*device).set_region1(_region); #define MCFG_ES5506_REGION2(_region) \ downcast(*device).set_region2(_region); #define MCFG_ES5506_REGION3(_region) \ downcast(*device).set_region3(_region); #define MCFG_ES5506_CHANNELS(_chan) \ downcast(*device).set_channels(_chan); #define MCFG_ES5506_IRQ_CB(_devcb) \ devcb = &downcast(*device).set_irq_callback(DEVCB_##_devcb); #define MCFG_ES5506_READ_PORT_CB(_devcb) \ devcb = &downcast(*device).set_read_port_callback(DEVCB_##_devcb); #define MCFG_ES5505_REGION0(_region) \ downcast(*device).set_region0(_region); #define MCFG_ES5505_REGION1(_region) \ downcast(*device).set_region1(_region); #define MCFG_ES5505_CHANNELS(_chan) \ downcast(*device).set_channels(_chan); #define MCFG_ES5505_IRQ_CB(_devcb) \ devcb = &downcast(*device).set_irq_callback(DEVCB_##_devcb); #define MCFG_ES5505_READ_PORT_CB(_devcb) \ devcb = &downcast(*device).set_read_port_callback(DEVCB_##_devcb); class es550x_device : public device_t, public device_sound_interface { public: void set_region0(const char *region0) { m_region0 = region0; } void set_region1(const char *region1) { m_region1 = region1; } void set_region2(const char *region2) { m_region2 = region2; } void set_region3(const char *region3) { m_region3 = region3; } void set_channels(int channels) { m_channels = channels; } template devcb_base &set_irq_callback(Object &&cb) { return m_irq_cb.set_callback(std::forward(cb)); } template devcb_base &set_read_port_callback(Object &&cb) { return m_read_port_cb.set_callback(std::forward(cb)); } protected: // struct describing a single playing voice struct es550x_voice { es550x_voice() { } // external state uint32_t control = 0; // control register uint32_t freqcount = 0; // frequency count register uint32_t start = 0; // start register uint32_t lvol = 0; // left volume register uint32_t end = 0; // end register uint32_t lvramp = 0; // left volume ramp register uint32_t accum = 0; // accumulator register uint32_t rvol = 0; // right volume register uint32_t rvramp = 0; // right volume ramp register uint32_t ecount = 0; // envelope count register uint32_t k2 = 0; // k2 register uint32_t k2ramp = 0; // k2 ramp register uint32_t k1 = 0; // k1 register uint32_t k1ramp = 0; // k1 ramp register int32_t o4n1 = 0; // filter storage O4(n-1) int32_t o3n1 = 0; // filter storage O3(n-1) int32_t o3n2 = 0; // filter storage O3(n-2) int32_t o2n1 = 0; // filter storage O2(n-1) int32_t o2n2 = 0; // filter storage O2(n-2) int32_t o1n1 = 0; // filter storage O1(n-1) uint32_t exbank = 0; // external address bank // internal state uint8_t index = 0; // index of this voice uint8_t filtcount = 0; // filter count uint32_t accum_mask = 0; }; es550x_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // 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; void update_irq_state(); void update_internal_irq_state(); void compute_tables(); void generate_dummy(es550x_voice *voice, uint16_t *base, int32_t *lbuffer, int32_t *rbuffer, int samples); void generate_ulaw(es550x_voice *voice, uint16_t *base, int32_t *lbuffer, int32_t *rbuffer, int samples); void generate_pcm(es550x_voice *voice, uint16_t *base, int32_t *lbuffer, int32_t *rbuffer, int samples); // internal state sound_stream *m_stream; /* which stream are we using */ int m_sample_rate; /* current sample rate */ uint16_t * m_region_base[4]; /* pointer to the base of the region */ uint32_t m_write_latch; /* currently accumulated data for write */ uint32_t m_read_latch; /* currently accumulated data for read */ uint32_t m_master_clock; /* master clock frequency */ uint8_t m_current_page; /* current register page */ uint8_t m_active_voices; /* number of active voices */ uint8_t m_mode; /* MODE register */ uint8_t m_wst; /* W_ST register */ uint8_t m_wend; /* W_END register */ uint8_t m_lrend; /* LR_END register */ uint8_t m_irqv; /* IRQV register */ es550x_voice m_voice[32]; /* the 32 voices */ std::unique_ptr m_scratch; std::unique_ptr m_ulaw_lookup; std::unique_ptr m_volume_lookup; #if ES5506_MAKE_WAVS void * m_wavraw; /* raw waveform */ #endif const char * m_region0; /* memory region where the sample ROM lives */ const char * m_region1; /* memory region where the sample ROM lives */ const char * m_region2; /* memory region where the sample ROM lives */ const char * m_region3; /* memory region where the sample ROM lives */ int m_channels; /* number of output channels: 1 .. 6 */ devcb_write_line m_irq_cb; /* irq callback */ devcb_read16 m_read_port_cb; /* input port read */ }; class es5506_device : public es550x_device { public: es5506_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); ~es5506_device() {} DECLARE_READ8_MEMBER( read ); DECLARE_WRITE8_MEMBER( write ); void voice_bank_w(int voice, int bank); protected: // device-level overrides virtual void device_start() override; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; void generate_samples(int32_t **outputs, int offset, int samples); private: inline void reg_write_low(es550x_voice *voice, offs_t offset, uint32_t data); inline void reg_write_high(es550x_voice *voice, offs_t offset, uint32_t data); inline void reg_write_test(es550x_voice *voice, offs_t offset, uint32_t data); inline uint32_t reg_read_low(es550x_voice *voice, offs_t offset); inline uint32_t reg_read_high(es550x_voice *voice, offs_t offset); inline uint32_t reg_read_test(es550x_voice *voice, offs_t offset); }; DECLARE_DEVICE_TYPE(ES5506, es5506_device) class es5505_device : public es550x_device { public: es5505_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); DECLARE_READ16_MEMBER( read ); DECLARE_WRITE16_MEMBER( write ); void voice_bank_w(int voice, int bank); protected: // device-level overrides virtual void device_start() override; virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; void generate_samples(int32_t **outputs, int offset, int samples); private: // internal state inline void reg_write_low(es550x_voice *voice, offs_t offset, uint16_t data, uint16_t mem_mask); inline void reg_write_high(es550x_voice *voice, offs_t offset, uint16_t data, uint16_t mem_mask); inline void reg_write_test(es550x_voice *voice, offs_t offset, uint16_t data, uint16_t mem_mask); inline uint16_t reg_read_low(es550x_voice *voice, offs_t offset); inline uint16_t reg_read_high(es550x_voice *voice, offs_t offset); inline uint16_t reg_read_test(es550x_voice *voice, offs_t offset); }; DECLARE_DEVICE_TYPE(ES5505, es5505_device) #endif // MAME_SOUND_ES5506_H