// license:BSD-3-Clause // copyright-holders:R. Belmont #ifndef MAME_SOUND_ES5503_H #define MAME_SOUND_ES5503_H #pragma once #include "dirom.h" // ======================> es5503_device class es5503_device : public device_t, public device_sound_interface, public device_rom_interface<17> { public: // construction/destruction es5503_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // channels must be a power of two void set_channels(int channels) { m_output_channels = channels; } auto irq_func() { return m_irq_func.bind(); } auto adc_func() { return m_adc_func.bind(); } u8 read(offs_t offset); void write(offs_t offset, u8 data); uint8_t get_channel_strobe() { return m_channel_strobe; } protected: // device-level overrides virtual void device_start() override ATTR_COLD; virtual void device_clock_changed() override; virtual void device_reset() override ATTR_COLD; // device_sound_interface overrides virtual void sound_stream_update(sound_stream &stream) override; // device_rom_interface overrides virtual void rom_bank_pre_change() override; TIMER_CALLBACK_MEMBER(delayed_stream_update); sound_stream *m_stream; devcb_write_line m_irq_func; devcb_read8 m_adc_func; emu_timer *m_sync_timer; private: enum { MODE_FREE = 0, MODE_ONESHOT = 1, MODE_SYNCAM = 2, MODE_SWAP = 3 }; struct ES5503Osc { uint16_t freq; uint16_t wtsize; uint8_t control; uint8_t vol; uint8_t data; uint32_t wavetblpointer; uint8_t wavetblsize; uint8_t resolution; uint32_t accumulator; uint8_t irqpend; }; ES5503Osc m_oscillators[32]; int8_t m_oscsenabled; // # of oscillators enabled int m_rege0; // contents of register 0xe0 uint8_t m_channel_strobe; int m_output_channels; uint32_t m_output_rate; emu_timer *m_timer; std::vector m_mix_buffer; void halt_osc(int onum, int type, uint32_t *accumulator, int resshift, uint8_t newCtrl); }; // device type definition DECLARE_DEVICE_TYPE(ES5503, es5503_device) #endif // MAME_SOUND_ES5503_H