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36c1e52e29
...
5e36a84f51
8
build.rs
8
build.rs
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@ -6,7 +6,7 @@ fn main() {
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let mut consts = ConstWriter::for_build("lsdpack_bc")
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.unwrap()
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.finish_dependencies();
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let mut bytes: Vec<u8> = SONG_SOURCE
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let bytes: Vec<u8> = SONG_SOURCE
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.lines()
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.map(|s| s.trim().strip_prefix("DB "))
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.flatten() // filter to lines starting with DB
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@ -29,12 +29,6 @@ fn main() {
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.flatten() // filter to lines from SongLocations
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.map(|s| usize::from_str_radix(s.split_once('$').unwrap().1, 16).unwrap() - 0x4000)
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.collect();
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// gba psg has inverted wave channel polarity
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for sample_pair in &mut bytes[0..*song_positions.iter().min().unwrap()] {
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let upper = *sample_pair & 0xF0;
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let lower = *sample_pair & 0x0F;
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*sample_pair = (0xF0 - upper) | (0x0F - lower);
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}
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consts.add_array("LSDPACK_DATA", "u8", &bytes);
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consts.add_array("LSDPACK_SONG_POSITIONS", "usize", &song_positions);
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}
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140
src/lsdpack.rs
140
src/lsdpack.rs
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@ -1,10 +1,9 @@
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use core::{fmt::Write, ops::Add};
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use gba::prelude::*;
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use voladdress::{Safe, VolAddress};
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#[allow(dead_code)]
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#[repr(u8)]
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#[derive(Copy, Clone, Debug)]
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#[derive(Copy, Clone)]
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enum LsdpackCmd {
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// special commands (not just plain register writes)
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EndTick = 0,
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@ -140,24 +139,11 @@ impl Lsdpack {
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fn write_next_samples(&mut self) {
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let ptr = self.sample_ptr;
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self.sample_ptr += 16;
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//let sound_enabled = SOUND_ENABLED.read();
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//SOUND_ENABLED.write(sound_enabled.with_wave_playing(false));
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//let lrvol = LEFT_RIGHT_VOLUME.read();
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//LEFT_RIGHT_VOLUME.write(lrvol.with_wave_left(false).with_wave_right(false));
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let wb = WAVE_BANK.read();
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//WAVE_BANK.write(WaveBank::new().with_enabled(false));
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let wave_ram_ptr = (WAVE_RAM.as_mut_ptr() as *mut u8);
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for i in 0..16 {
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unsafe {
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wave_ram_ptr.add(i).write_volatile(self.data[ptr + i]);
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}
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}
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/*
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let lrvol = LEFT_RIGHT_VOLUME.read();
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LEFT_RIGHT_VOLUME.write(lrvol.with_wave_left(false).with_wave_right(false));
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WAVE_BANK.write(WaveBank::new().with_enabled(false));
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WAVE_RAM.index(0).write(u32::from_le_bytes(
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TryFrom::try_from(&self.data[ptr..ptr + 4]).unwrap(),
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));
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@ -170,20 +156,10 @@ impl Lsdpack {
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WAVE_RAM.index(3).write(u32::from_le_bytes(
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TryFrom::try_from(&self.data[ptr + 12..ptr + 16]).unwrap(),
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));
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*/
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//WAVE_BANK.write(WaveBank::new().with_enabled(true));
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WAVE_BANK.write(
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WaveBank::new()
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.with_enabled(true)
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.with_two_banks(false)
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.with_bank1(!wb.bank1()),
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);
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WAVE_BANK.write(WaveBank::new().with_enabled(true));
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//SOUND_ENABLED.write(sound_enabled);
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//LEFT_RIGHT_VOLUME.write(lrvol);
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unsafe { WAVE_FREQ.cast() }.write(self.sample_pitch);
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LEFT_RIGHT_VOLUME.write(lrvol);
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WAVE_FREQ.write(WaveFrequency::new().with_length(self.sample_pitch));
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}
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#[link_section = ".iwram"]
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@ -207,33 +183,6 @@ impl Lsdpack {
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ongoing = flagged_ongoing;
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ongoing &= self.apply_cmd(cmd);
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}
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/* // stupid hack while testing. only enable wav channel so i can hear it at all
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SOUND_ENABLED.write(
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SoundEnable::new()
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.with_tone1_playing(false)
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.with_tone2_playing(false)
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.with_wave_playing(true)
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.with_noise_playing(false)
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.with_enabled(true),
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);
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LEFT_RIGHT_VOLUME.write(
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LeftRightVolume::new()
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.with_tone1_left(false)
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.with_tone1_right(false)
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.with_tone2_left(false)
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.with_tone2_right(false)
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.with_wave_left(true)
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.with_wave_right(true)
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.with_noise_right(false)
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.with_noise_left(false)
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.with_left_volume(3)
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.with_right_volume(3),
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);
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// */
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//WAVE_BANK.write(WaveBank::new().with_enabled(true));
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//WAVE_LEN_VOLUME.write(WaveLenVolume::new().with_length(255).with_volume(1));
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}
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#[link_section = ".iwram"]
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@ -257,21 +206,13 @@ impl Lsdpack {
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#[link_section = ".iwram"]
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fn write_lsb<T>(&mut self, voladdr: VolAddress<T, Safe, Safe>) {
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let voladdr = unsafe { voladdr.cast::<u16>() };
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//voladdr.write((voladdr.read() & 0xFF00) | (self.next_byte() as u16));
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unsafe {
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(voladdr.as_mut_ptr() as *mut u8).write_volatile(self.next_byte());
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}
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voladdr.write((voladdr.read() & 0xFF00) | (self.next_byte() as u16));
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}
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#[link_section = ".iwram"]
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fn write_msb<T>(&mut self, voladdr: VolAddress<T, Safe, Safe>) {
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let voladdr = unsafe { voladdr.cast::<u16>() };
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//voladdr.write((voladdr.read() & 0xFF) | ((self.next_byte() as u16) << 8));
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unsafe {
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(voladdr.as_mut_ptr() as *mut u8)
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.add(1)
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.write_volatile(self.next_byte());
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}
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voladdr.write((voladdr.read() & 0xFF) | ((self.next_byte() as u16) << 8));
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}
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#[link_section = ".iwram"]
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@ -284,22 +225,6 @@ impl Lsdpack {
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#[link_section = ".iwram"]
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fn apply_cmd(&mut self, cmd: LsdpackCmd) -> bool {
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use LsdpackCmd::*;
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/*
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if let Ok(mut logger) =
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gba::mgba::MgbaBufferedLogger::try_new(gba::mgba::MgbaMessageLevel::Info)
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{
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match cmd {
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SampleStart | SampleNext | WavOnOff | WavLength | WavEnv | WavPitchLsb
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| WavPitchMsb | ChannelVolume | Pan | SoundOffOn | WavePattern0 | WavePattern1
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| WavePattern2 | WavePattern3 | WavePattern4 | WavePattern5 | WavePattern6
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| WavePattern7 | WavePattern8 | WavePattern9 | WavePatternA | WavePatternB
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| WavePatternC | WavePatternD | WavePatternE | WavePatternF => {
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writeln!(logger, "{:?}", cmd).ok();
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}
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_ => {}
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}
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}
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// */
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match cmd {
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// special commands:
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EndTick => return false,
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@ -378,49 +303,44 @@ impl Lsdpack {
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// general register writes:
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Pu0Sweep => unsafe { TONE1_SWEEP.cast() }.write(self.next_byte()),
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Pu0LengthWave => self.write_lsb(TONE1_PATTERN),
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Pu0Env => {
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self.next_byte();
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} //self.write_msb(TONE1_PATTERN),
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Pu0Env => self.write_msb(TONE1_PATTERN),
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Pu0PitchLsb => self.write_lsb(TONE1_FREQUENCY),
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Pu0PitchMsb => self.write_msb(TONE1_FREQUENCY),
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Pu1LengthWave => self.write_lsb(TONE2_PATTERN),
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Pu1Env => {
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self.next_byte();
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} //self.write_msb(TONE2_PATTERN),
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Pu1Env => self.write_msb(TONE2_PATTERN),
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Pu1PitchLsb => self.write_lsb(TONE2_FREQUENCY),
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Pu1PitchMsb => self.write_msb(TONE2_FREQUENCY),
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//WavOnOff => unsafe { WAVE_BANK.cast() }.write(self.next_byte()),
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WavOnOff => WAVE_BANK.write(
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WaveBank::new().with_enabled(self.next_byte() != 0), //.with_two_banks(true)
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//.with_bank1(false),
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),
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WavOnOff => WAVE_BANK.write(WaveBank::new().with_enabled(self.next_byte() != 0)),
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WavLength => self.write_lsb(WAVE_LEN_VOLUME),
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WavEnv => self.write_msb(WAVE_LEN_VOLUME),
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WavPitchLsb => self.write_lsb(WAVE_FREQ),
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WavPitchMsb => self.write_msb(WAVE_FREQ),
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NoiLength => self.write_lsb(NOISE_LEN_ENV),
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NoiEnv => {
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self.next_byte();
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} //self.write_msb(NOISE_LEN_ENV),
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NoiEnv => self.write_msb(NOISE_LEN_ENV),
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NoiWave => self.write_lsb(NOISE_FREQ),
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NoiTrig => self.write_msb(NOISE_FREQ),
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ChannelVolume => self.write_lsb(LEFT_RIGHT_VOLUME),
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Pan => self.write_msb(LEFT_RIGHT_VOLUME),
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SoundOffOn => unsafe { SOUND_ENABLED.cast() }.write(self.next_byte()),
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WavePattern0 | WavePattern1 | WavePattern2 | WavePattern3 | WavePattern4
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| WavePattern5 | WavePattern6 | WavePattern7 | WavePattern8 | WavePattern9
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| WavePatternA | WavePatternB | WavePatternC | WavePatternD | WavePatternE
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| WavePatternF => {
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let which = cmd as u8 as usize & 0xF;
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unsafe {
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((0x04000090 + which) as *mut u8).write_volatile(self.next_byte());
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}
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}
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WavePattern0 => todo!(),
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WavePattern1 => todo!(),
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WavePattern2 => todo!(),
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WavePattern3 => todo!(),
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WavePattern4 => todo!(),
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WavePattern5 => todo!(),
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WavePattern6 => todo!(),
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WavePattern7 => todo!(),
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WavePattern8 => todo!(),
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WavePattern9 => todo!(),
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WavePatternA => todo!(),
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WavePatternB => todo!(),
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WavePatternC => todo!(),
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WavePatternD => todo!(),
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WavePatternE => todo!(),
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WavePatternF => todo!(),
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_Invalid0B | _Invalid0C | _Invalid0D | _Invalid0E | _Invalid0F | _Invalid15
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| _Invalid1F | _Invalid27 | _Invalid28 | _Invalid29 | _Invalid2A | _Invalid2B
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| _Invalid2C | _Invalid2D | _Invalid2E | _Invalid2F => {
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unimplemented!("Invalid command: {:x}", cmd as u8)
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}
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| _Invalid2C | _Invalid2D | _Invalid2E | _Invalid2F => unimplemented!(),
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}
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true
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}
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