apu

src/apu/dmc.rs

@@ -17,6 +17,9 @@ impl DMC {
         }
     }
 
+    pub fn clock(&mut self) {
+        
+    }
     
     pub fn write_control(&mut self, value: u8) {
         

src/apu/mod.rs

@@ -57,8 +57,10 @@ pub struct Apu {
 
 impl Apu {
     pub fn new() -> Self {
-        let square_table = (0..31).map(|x| 95.52/(8128.0 / x as f32) + 100.0).collect();
-        let tnd_table = (0..203).map(|x| 163.67/(24329.0 / x as f32) + 100.0).collect();
+        let square_table = (0..31).map(|x| 95.52/((8128.0 / x as f32) + 100.0)).collect();
+        let tnd_table = (0..203).map(|x| 163.67/((24329.0 / x as f32) + 100.0)).collect();
+        println!("square_table: {:?}", square_table);
+        println!("tnd_table: {:?}", tnd_table);
         Apu {
             square1:    Square::new(false),
             square2:    Square::new(true),
@@ -82,6 +84,12 @@ impl Apu {
     pub fn clock(&mut self) -> Option<f32> {
         let mut sample = None;
 
+        self.square1.clock();
+        self.square2.clock();
+        self.triangle.clock();
+        self.noise.clock();
+        self.dmc.clock();
+
         if (self.frame_counter == 4 && FRAME_COUNTER_STEPS[..4].contains(&self.cycle))
             || (self.frame_counter == 5 && FRAME_COUNTER_STEPS.contains(&self.cycle)) {
             self.clock_frame_counter();

src/apu/square.rs

@@ -83,6 +83,7 @@ impl Square {
             } else {
                 self.decay_counter
             };
+        println!("{}", self.sample);
     }
 
     pub fn clock_envelope(&mut self) {

src/apu/triangle.rs

@@ -32,6 +32,10 @@ impl Triangle {
         
     }
 
+    pub fn clock(&mut self) {
+        
+    }
+
     pub fn clock_linear_counter(&mut self) {
         
     }

src/main.rs

@@ -68,12 +68,18 @@ fn main() -> Result<(), String> {
         }
         for _ in 0..apu_cycles {
             match cpu.apu.clock() {
-                Some(sample) => {sps += 1; audio_buffer.push(sample)},
+                Some(sample) => {
+                    sps += 1;
+                    // if sample != 0.0 {
+                    //     println!("sample {}", sample);
+                    // }
+                    audio_buffer.push(sample)
+                },
                 None => (),
             };
         }
         if audio_buffer.len() == 44_100 {
-            println!("queueing: {:?}", &audio_buffer[..32]);
+            // println!("queueing: {:?}", &audio_buffer[..32]);
             audio_device.queue(&audio_buffer);
             audio_buffer = vec![];
         }