Struct WaveformSynthesizer 

pub struct WaveformSynthesizer { /* private fields */ }

Synthesizes oscilloscope waveforms from YM2149 register state.

This generates per-channel waveforms based on the current register values, producing square waves for tone, pseudo-random noise, and envelope-accurate waveforms for buzz instruments.

Supports up to 4 PSGs (12 channels total) for multi-PSG configurations.

Implementations

impl WaveformSynthesizer

pub fn new() -> Self

Create a new waveform synthesizer.

pub fn set_psg_count(&mut self, count: usize)

Set the number of active PSGs (1-4).

pub fn psg_count(&self) -> usize

Get the number of active PSGs.

pub fn channel_count(&self) -> usize

Get the number of active channels.

pub fn update(&mut self, channel_states: &ChannelStates)

Update waveforms from YM2149 channel states (single PSG, for backward compatibility).

Call this once per frame to generate new waveform samples based on the current register state. This updates channels 0-2.

pub fn update_psg(&mut self, psg_index: usize, channel_states: &ChannelStates)

Update waveforms for a specific PSG (0-3).

Call this for each active PSG to update its 3 channels.

pub fn update_multi_psg( &mut self, register_banks: &[[u8; 16]], psg_count: usize, )

Update waveforms from multiple PSG register banks.

Call this once per frame with all PSG register states.

pub fn get_samples(&self) -> Vec<[f32; 3]>

Get waveform samples as a Vec for display (first 3 channels only for backward compat).

Returns samples in the format [amplitude_a, amplitude_b, amplitude_c] per sample.

pub fn channel_waveform(&self, channel: usize) -> &VecDeque<f32>

Get waveform for a specific channel (0-11 for multi-PSG).

Trait Implementations

impl Clone for WaveformSynthesizer

fn clone(&self) -> WaveformSynthesizer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for WaveformSynthesizer

fn default() -> Self

Returns the “default value” for a type.