2025-02-01 23:58:55 -07:00
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#pragma once
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#include <common.h>
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typedef struct {
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bool audio_enabled;
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bool ch1_left;
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bool ch1_right;
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bool ch2_left;
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bool ch2_right;
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bool ch3_left;
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bool ch3_right;
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bool ch4_left;
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bool ch4_right;
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u8 volume_left;
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u8 volume_right;
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float sq1_freq;
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u8 sq1_duty;
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u8 sq1_volume;
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float sq2_freq;
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u8 sq2_duty;
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u8 sq2_volume;
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bool ready;
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u8 sq1_sample;
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float sq1_value;
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u16 sq1_period_reset;
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u16 sq1_period_timer;
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bool sq1_enable;
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bool sq1_len_enable;
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u8 sq1_sweep_pace;
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bool sq1_sweep_direction;
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u8 sq1_initial_len;
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u8 sq1_len;
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u8 sq1_initial_volume;
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bool sq1_env_direction;
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u8 sq1_env_pace;
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u8 sq1_env_timer;
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u8 sq1_sweep_step;
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float sq1_audio_buffer[4096];
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u32 sq1_write_head;
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u32 sq1_read_head;
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u8 sq2_sample;
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float sq2_value;
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u16 sq2_period_reset;
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u16 sq2_period_timer;
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bool sq2_enable;
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bool sq2_len_enable;
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u8 sq2_sweep_pace;
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bool sq2_sweep_direction;
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u8 sq2_initial_len;
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u8 sq2_len;
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u8 sq2_initial_volume;
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bool sq2_env_direction;
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u8 sq2_env_pace;
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u8 sq2_env_timer;
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u8 sq2_sweep_step;
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float sq2_audio_buffer[4096];
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u32 sq2_write_head;
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u32 sq2_read_head;
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2025-02-01 23:58:55 -07:00
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} audio_context;
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2025-02-02 12:35:53 -07:00
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void audio_init();
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void audio_tick();
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void audio_period_tick();
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u8 audio_read(u16 address);
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void audio_write(u16 address, u8 value);
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