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65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
//
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// AY-3-8910.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 14/10/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#ifndef AY_3_8910_hpp
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#define AY_3_8910_hpp
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#include "../../Outputs/Speaker.hpp"
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namespace GI {
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class AY38910: public ::Outputs::Filter<AY38910> {
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public:
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AY38910();
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void set_clock_rate(double clock_rate);
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void get_samples(unsigned int number_of_samples, int16_t *target);
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void skip_samples(unsigned int number_of_samples);
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enum ControlLines {
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BC1 = (1 << 0),
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BC2 = (1 << 1),
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BCDIR = (1 << 2)
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};
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void set_data_input(uint8_t r);
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uint8_t get_data_output();
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void set_control_lines(ControlLines control_lines);
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uint8_t get_port_output(bool port_b);
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private:
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int _selected_register;
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uint8_t _registers[16], _output_registers[16];
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uint16_t _tone_generator_controls[3];
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uint16_t _envelope_period;
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int _master_divider;
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int _channel_dividers[3];
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int _envelope_divider;
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int _evelope_volume;
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int _channel_ouput[3];
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enum ControlState {
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Inactive,
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LatchAddress,
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Read,
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Write
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} _control_state;
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void select_register(uint8_t r);
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void set_register_value(uint8_t value);
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uint8_t get_register_value();
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uint8_t _data_input, _data_output;
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};
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};
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#endif /* AY_3_8910_hpp */
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