mirror of
https://github.com/TomHarte/CLK.git
synced 2024-12-28 07:29:45 +00:00
65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
//
|
|
// AY-3-8910.hpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 14/10/2016.
|
|
// Copyright © 2016 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef AY_3_8910_hpp
|
|
#define AY_3_8910_hpp
|
|
|
|
#include "../../Outputs/Speaker.hpp"
|
|
|
|
namespace GI {
|
|
|
|
class AY38910: public ::Outputs::Filter<AY38910> {
|
|
public:
|
|
AY38910();
|
|
void set_clock_rate(double clock_rate);
|
|
|
|
void get_samples(unsigned int number_of_samples, int16_t *target);
|
|
void skip_samples(unsigned int number_of_samples);
|
|
|
|
enum ControlLines {
|
|
BC1 = (1 << 0),
|
|
BC2 = (1 << 1),
|
|
BCDIR = (1 << 2)
|
|
};
|
|
void set_data_input(uint8_t r);
|
|
uint8_t get_data_output();
|
|
void set_control_lines(ControlLines control_lines);
|
|
|
|
uint8_t get_port_output(bool port_b);
|
|
|
|
private:
|
|
int _selected_register;
|
|
uint8_t _registers[16], _output_registers[16];
|
|
|
|
uint16_t _tone_generator_controls[3];
|
|
uint16_t _envelope_period;
|
|
|
|
int _master_divider;
|
|
int _channel_dividers[3];
|
|
int _envelope_divider;
|
|
int _evelope_volume;
|
|
int _channel_ouput[3];
|
|
|
|
enum ControlState {
|
|
Inactive,
|
|
LatchAddress,
|
|
Read,
|
|
Write
|
|
} _control_state;
|
|
|
|
void select_register(uint8_t r);
|
|
void set_register_value(uint8_t value);
|
|
uint8_t get_register_value();
|
|
|
|
uint8_t _data_input, _data_output;
|
|
};
|
|
|
|
};
|
|
|
|
#endif /* AY_3_8910_hpp */
|