1 files changed, 0 insertions, 184 deletions
diff --git a/graphics/src/audio/program.rs b/graphics/src/audio/program.rs
deleted file mode 100644
index f5decd6..0000000
--- a/graphics/src/audio/program.rs
+++ /dev/null
@@ -1,184 +0,0 @@
-use crate::audio::{
-	Channels,
-	channel::{Channel, DutyCycle},
-	parse,
-};
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum ChanSpec {
-	PulseA,
-	PulseB,
-	Triangle,
-	Noise,
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
-pub enum Instruction {
-	Pause,
-	PauseLen(u32),
-	Jump(usize),
-	SetVolume(ChanSpec, u8),
-	SetPitch(ChanSpec, u8),
-	SetPulseDutyA(DutyCycle),
-	SetPulseDutyB(DutyCycle),
-	SetNoiseMode(bool),
-}
-
-fn map_pitch(pitch: u8) -> f32 {
-	const HALF_STEP: f32 = 1.059_463_1;
-	HALF_STEP.powf(pitch as f32 - 128.0)
-}
-
-const fn map_volume(volume: u8) -> f32 {
-	if volume > 100 {
-		1.0
-	} else {
-		(volume as f32) / 100.0
-	}
-}
-
-#[derive(Debug, Clone)]
-pub struct Program {
-	ins: Vec<Instruction>,
-	pc: usize,
-	looping: bool,
-	pause_cnt: u32,
-	pause_len: u32,
-}
-impl Program {
-	pub const fn new(ins: Vec<Instruction>, looping: bool) -> Self {
-		let pc = ins.len();
-		Self {
-			ins,
-			pc,
-			looping,
-			pause_cnt: 0,
-			pause_len: 4,
-		}
-	}
-
-	pub fn parse(src: &str, looping: bool) -> parse::Result<Self> {
-		let ins = parse::parse(src)?;
-		Ok(Self::new(ins, looping))
-	}
-
-	pub fn merge(self, other: Self) -> Self {
-		let mut res = vec![];
-
-		let mut l = 0;
-		let mut r = 0;
-		let l_ins = self.ins;
-		let r_ins = other.ins;
-
-		loop {
-			if l >= l_ins.len() && r >= r_ins.len() {
-				// were done here
-				break;
-			}
-
-			let mut has_pause = false;
-			while l < l_ins.len() {
-				let ins = l_ins[l];
-				l += 1;
-				if matches!(ins, Instruction::Pause) {
-					has_pause = true;
-					break;
-				}
-				res.push(ins);
-			}
-			while r < r_ins.len() {
-				let ins = r_ins[r];
-				r += 1;
-				if matches!(ins, Instruction::Pause) {
-					has_pause = true;
-					break;
-				}
-				res.push(ins);
-			}
-			if has_pause {
-				res.push(Instruction::Pause);
-			}
-		}
-
-		Self::new(res, self.looping)
-	}
-
-	fn exec_ins(&mut self, channels: &mut Channels, ins: Instruction) {
-		use Instruction as I;
-		match ins {
-			I::Pause => {
-				self.pause_cnt = self.pause_len;
-			}
-			I::PauseLen(pause_len) => {
-				self.pause_len = pause_len;
-			}
-			I::Jump(pc) => {
-				self.pc = pc;
-			}
-			I::SetVolume(chan_spec, volume) => {
-				// set the volume (amplitude) on a given channel
-				use ChanSpec as C;
-				let v = map_volume(volume);
-				match chan_spec {
-					C::PulseA => channels.pulse_a.set_volume(v),
-					C::PulseB => channels.pulse_b.set_volume(v),
-					C::Triangle => channels.triangle.set_volume(v),
-					C::Noise => channels.noise.set_volume(v),
-				}
-			}
-			I::SetPitch(chan_spec, pitch) => {
-				// set the pitch (freq) on a given channel
-				use ChanSpec as C;
-				let p = map_pitch(pitch);
-				match chan_spec {
-					C::PulseA => channels.pulse_a.set_pitch(p),
-					C::PulseB => channels.pulse_b.set_pitch(p),
-					C::Triangle => channels.triangle.set_pitch(p),
-					C::Noise => channels.noise.set_pitch(p),
-				}
-			}
-			I::SetPulseDutyA(duty_cycle) => {
-				channels.pulse_a.set_duty(duty_cycle);
-			}
-			I::SetPulseDutyB(duty_cycle) => {
-				channels.pulse_b.set_duty(duty_cycle);
-			}
-			I::SetNoiseMode(mode) => {
-				channels.noise.set_mode(mode);
-			}
-		}
-	}
-
-	pub fn exec(&mut self, channels: &mut Channels) {
-		if self.pause_cnt > 0 {
-			self.pause_cnt -= 1;
-		}
-		loop {
-			if self.pause_cnt > 0 {
-				break;
-			}
-			if self.finished() {
-				if self.looping {
-					self.pc = 0;
-				} else {
-					break;
-				}
-			}
-			let ins = self.ins[self.pc];
-			self.exec_ins(channels, ins);
-			self.pc += 1;
-		}
-	}
-
-	pub const fn finished(&self) -> bool {
-		self.pc >= self.ins.len()
-	}
-
-	pub const fn play(&mut self) {
-		self.pc = 0;
-	}
-
-	pub const fn set_looping(&mut self, looping: bool) {
-		self.looping = looping;
-	}
-}