Minor improvements to APU

src/apu.rs

@@ -1,7 +1,3 @@
-use std::iter::repeat_n;
-
-use tracing::debug;
-
 macro_rules! lut {
     ($name:ident: [$ty:ty; $len:expr] = |$n:ident| $expr:expr) => {
         const $name: [$ty; $len] = {
@@ -264,7 +260,7 @@ Output:                         {16:>4}     ${16:02X}
             self.sweep.period(),
             self.sweep.enable(),
             self.period,
-            0,
+            self.counter.current,
             self.enabled,
             self.period_timer,
             self.cur, // ?
@@ -423,6 +419,7 @@ bitfield::bitfield! {
 }
 
 #[derive(Debug, Clone)]
+#[allow(dead_code)]
 struct NoiseChannel {
     enabled: bool,
     evelope: NoiseEnvelope,
@@ -447,7 +444,7 @@ impl NoiseChannel {
         }
     }
 
-    pub fn write(&mut self, offset: u16, val: u8) {
+    pub fn write(&mut self, offset: u16, _val: u8) {
         match offset {
             0x00 => (),
             0x01 => (),
@@ -505,7 +502,7 @@ impl DeltaChannel {
         }
     }
 
-    pub fn write(&mut self, offset: u16, val: u8) {
+    pub fn write(&mut self, offset: u16, _val: u8) {
         match offset {
             0x00 => (),
             0x01 => (),
@@ -553,12 +550,21 @@ pub struct APU {
 
 impl std::fmt::Debug for APU {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        // write!(
-        //     f,
-        //     "PPU: f {}, s {}, p {}",
-        //     self.frame_count, self.scanline, self.pixel
-        // )
-        Ok(())
+        write!(
+            f,
+            "APU
+{:#?}
+{:#?}
+{:#?}
+{:#?}
+{:#?}
+            ",
+            self.pulse_1,
+            self.pulse_2,
+            self.triangle,
+            self.noise,
+            self.dmc,
+        )
     }
 }
 
@@ -577,7 +583,7 @@ impl APU {
                 irq: false,
             },
 
-            samples: vec![0; 100],
+            samples: Vec::with_capacity(10000),
         }
     }
 
@@ -739,3 +745,6 @@ mod apu_iced {
         }
     }
 }
+
+#[cfg(test)]
+mod tests;