cleaner

src/processor/memory/mmio/apu.rs

@@ -195,16 +195,15 @@ impl Apu {
     }
 
     pub fn get_register(&self, addr: Address) -> u8 {
-        if addr == 0xFF26
-            || addr == 0xFF11
-            || addr == 0xFF16
-            || addr == 0xFF1B
-            || addr == 0xFF20
-            || self.apu_enable
-        {
+        if self.apu_enable {
             self.make_register(addr)
         } else {
-            0xFF
+            match addr {
+                0xFF26 | 0xFF11 | 0xFF16 | 0xFF1B | 0xFF20 | 0xFF30..0xFF40 => {
+                    self.make_register(addr)
+                }
+                _ => 0xFF,
+            }
         }
     }
 
@@ -262,7 +261,7 @@ impl Apu {
             // not registers
             0xFF15 | 0xFF1F | 0xFF27..0xFF30 => 0xFF,
             // wave ram
-            0xFF30..0xFF40 => 0xFF,
+            0xFF30..0xFF40 => self.channels.three.wave_ram.data[(addr - 0xFF30) as usize],
             0x0..0xFF10 | 0xFF40..=0xFFFF => panic!("non-apu addr in apu"),
         }
     }

src/processor/memory/mmio/apu/channels.rs

@@ -311,8 +311,8 @@ impl ShiftVolumePercent {
     }
 }
 
-struct WaveRam {
-    data: [u8; 16],
+pub(super) struct WaveRam {
+    pub(super) data: [u8; 16],
 }
 
 impl WaveRam {
@@ -333,7 +333,7 @@ pub(super) struct WaveChannel {
     wavelength: u16,
     wave_timer: u16,
     wave_position: usize,
-    wave_ram: WaveRam,
+    pub(super) wave_ram: WaveRam,
 }
 
 impl WaveChannel {