Struct Pulse

pub struct Pulse {
    pub channel: PulseChannel,
    pub real_period: u64,
    pub timer: Timer,
    pub duty: u8,
    pub duty_cycle: u8,
    pub length: LengthCounter,
    pub envelope: Envelope,
    pub sweep: Sweep,
    pub force_silent: bool,
    pub output_freq: OutputFreq,
}

APU Pulse Channel provides square wave generation.

See: https://www.nesdev.org/wiki/APU_Pulse

Fields

channel: PulseChannel

real_period: u64

timer: Timer

duty: u8

duty_cycle: u8

length: LengthCounter

envelope: Envelope

sweep: Sweep

force_silent: bool

output_freq: OutputFreq

Implementations

impl Pulse

pub const fn new(channel: PulseChannel, output_freq: OutputFreq) -> Self

pub fn is_muted(&self) -> bool

pub const fn silent(&self) -> bool

pub const fn set_silent(&mut self, silent: bool)

pub fn clock_quarter_frame(&mut self)

pub fn clock_half_frame(&mut self)

pub const fn write_ctrl(&mut self, val: u8)

$4000/$4004 Pulse control

pub const fn write_sweep(&mut self, val: u8)

$4001/$4005 Pulse sweep

pub fn write_timer_lo(&mut self, val: u8)

$4002/$4006 Pulse timer lo

pub fn write_timer_hi(&mut self, val: u8)

$4003/$4007 Pulse timer hi

pub const fn set_enabled(&mut self, enabled: bool)

pub const fn volume(&self) -> u8

Trait Implementations

impl Clock for Pulse

fn clock(&mut self) -> u64

Clock component a single time, returning the number of cycles clocked.

impl Clone for Pulse

fn clone(&self) -> Pulse

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Pulse

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Pulse

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Pulse

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Reset for Pulse

fn reset(&mut self, kind: ResetKind)

Reset the component given the ResetKind.

impl Sample for Pulse

fn output(&self) -> f32

Output a single audio sample.

impl Serialize for Pulse

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl TimerCycle for Pulse

fn cycle(&self) -> u64