67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
#include <cstdint>
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// NOLINTBEGIN(cppcoreguidelines-avoid-c-arrays)
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/*
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4000060h 2 R/W SOUND1CNT_L Channel 1 Sweep register (NR10)
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4000062h 2 R/W SOUND1CNT_H Channel 1 Duty/Length/Envelope (NR11, NR12)
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4000064h 2 R/W SOUND1CNT_X Channel 1 Frequency/Control (NR13, NR14)
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4000066h - - Not used
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4000068h 2 R/W SOUND2CNT_L Channel 2 Duty/Length/Envelope (NR21, NR22)
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400006Ah - - Not used
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400006Ch 2 R/W SOUND2CNT_H Channel 2 Frequency/Control (NR23, NR24)
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400006Eh - - Not used
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4000070h 2 R/W SOUND3CNT_L Channel 3 Stop/Wave RAM select (NR30)
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4000072h 2 R/W SOUND3CNT_H Channel 3 Length/Volume (NR31, NR32)
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4000074h 2 R/W SOUND3CNT_X Channel 3 Frequency/Control (NR33, NR34)
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4000076h - - Not used
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4000078h 2 R/W SOUND4CNT_L Channel 4 Length/Envelope (NR41, NR42)
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400007Ah - - Not used
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400007Ch 2 R/W SOUND4CNT_H Channel 4 Frequency/Control (NR43, NR44)
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400007Eh - - Not used
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4000080h 2 R/W SOUNDCNT_L Control Stereo/Volume/Enable (NR50, NR51)
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4000082h 2 R/W SOUNDCNT_H Control Mixing/DMA Control
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4000084h 2 R/W SOUNDCNT_X Control Sound on/off (NR52)
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4000086h - - Not used
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4000088h 2 BIOS SOUNDBIAS Sound PWM Control
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400008Ah .. - - Not used
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4000090h 2x10h R/W WAVE_RAM Channel 3 Wave Pattern RAM (2 banks!!)
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40000A0h 4 W FIFO_A Channel A FIFO, Data 0-3
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40000A4h 4 W FIFO_B Channel B FIFO, Data 0-3
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*/
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struct sound{
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using u16 = uint16_t;
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// channel 1
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u16 ch1_sweep;
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u16 ch1_duty_length_env;
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u16 ch1_freq_control;
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// channel 2
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u16 ch2_duty_length_env;
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u16 ch2_freq_control;
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// channel 3
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u16 ch3_stop_wave_ram_select;
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u16 ch3_length_volume;
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u16 ch3_freq_control;
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u16 ch3_wave_pattern[8];
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// channel 4
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u16 ch4_length_env;
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u16 ch4_freq_control;
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// control
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u16 ctrl_stereo_volume;
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u16 ctrl_mixing;
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u16 ctrl_sound_on_off;
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u16 pwm_control;
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// fifo
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u16 fifo_a[2];
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u16 fifo_b[2];
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};
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// NOLINTEND(cppcoreguidelines-avoid-c-arrays)
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