Rename APU to Apu

src/app/emu/audio/apu.cc

@@ -14,7 +14,7 @@ namespace yaze {
 namespace app {
 namespace emu {
 
-void APU::Init() {
+void Apu::Init() {
   // Set the clock frequency
   clock_.SetFrequency(kApuClockSpeed);
 
@@ -27,17 +27,17 @@ void APU::Init() {
       [this](int16_t sample) { this->PushToAudioBuffer(sample); });
 }
 
-void APU::Reset() {
+void Apu::Reset() {
   clock_.ResetAccumulatedTime();
   spc700_.Reset();
   dsp_.Reset();
 }
 
-void APU::Update() {
+void Apu::Update() {
   auto cycles_to_run = clock_.GetCycleCount();
 
   for (auto i = 0; i < cycles_to_run; ++i) {
-    // Update the APU
+    // Update the Apu
     UpdateChannelSettings();
 
     // Update the SPC700
@@ -49,14 +49,14 @@ void APU::Update() {
   ProcessSamples();
 }
 
-void APU::Notify(uint32_t address, uint8_t data) {
+void Apu::Notify(uint32_t address, uint8_t data) {
   if (address < 0x2140 || address > 0x2143) {
     return;
   }
   auto offset = address - 0x2140;
   spc700_.write(offset, data);
 
-  // HACK - This is a temporary solution to get the APU to play audio
+  // HACK - This is a temporary solution to get the Apu to play audio
   ports_[address - 0x2140] = data;
   switch (address) {
     case 0x2140:
@@ -76,7 +76,7 @@ void APU::Notify(uint32_t address, uint8_t data) {
   }
 }
 
-void APU::ProcessSamples() {
+void Apu::ProcessSamples() {
   // Fetch sample data from AudioRam
   // Iterate over all voices
   for (uint8_t voice_num = 0; voice_num < 8; voice_num++) {
@@ -91,17 +91,17 @@ void APU::ProcessSamples() {
   }
 }
 
-uint8_t APU::FetchSampleForVoice(uint8_t voice_num) {
+uint8_t Apu::FetchSampleForVoice(uint8_t voice_num) {
   uint16_t address = CalculateAddressForVoice(voice_num);
   return aram_.read(address);
 }
 
-uint16_t APU::CalculateAddressForVoice(uint8_t voice_num) {
+uint16_t Apu::CalculateAddressForVoice(uint8_t voice_num) {
   // TODO: Calculate the address for the specified voice
   return voice_num;
 }
 
-int16_t APU::GetNextSample() {
+int16_t Apu::GetNextSample() {
   if (!audio_samples_.empty()) {
     int16_t sample = audio_samples_.front();
     audio_samples_.erase(audio_samples_.begin());
@@ -110,27 +110,27 @@ int16_t APU::GetNextSample() {
   return 0;  // TODO: Return the last sample instead of 0.
 }
 
-const std::vector<int16_t>& APU::GetAudioSamples() const {
+const std::vector<int16_t>& Apu::GetAudioSamples() const {
   return audio_samples_;
 }
 
-void APU::UpdateChannelSettings() {
+void Apu::UpdateChannelSettings() {
   // TODO: Implement this method to update the channel settings.
 }
 
-int16_t APU::GenerateSample(int channel) {
+int16_t Apu::GenerateSample(int channel) {
   // TODO: Implement this method to generate a sample for the specified channel.
 }
 
-void APU::ApplyEnvelope(int channel) {
+void Apu::ApplyEnvelope(int channel) {
   // TODO: Implement this method to apply an envelope to the specified channel.
 }
 
-uint8_t APU::ReadDspMemory(uint16_t address) {
+uint8_t Apu::ReadDspMemory(uint16_t address) {
   return dsp_.ReadGlobalReg(address);
 }
 
-void APU::WriteDspMemory(uint16_t address, uint8_t value) {
+void Apu::WriteDspMemory(uint16_t address, uint8_t value) {
   dsp_.WriteGlobalReg(address, value);
 }
 

src/app/emu/audio/apu.h

@@ -37,9 +37,9 @@ const int kApuClockSpeed = 1024000;  // 1.024 MHz
 const int apuSampleRate = 32000;     // 32 KHz
 const int apuClocksPerSample = 64;   // 64 clocks per sample
 
-class APU : public Observer {
+class Apu : public Observer {
  public:
-  APU(MemoryImpl &memory, AudioRam &aram, Clock &clock)
+  Apu(MemoryImpl &memory, AudioRam &aram, Clock &clock)
       : aram_(aram), clock_(clock), memory_(memory) {}
 
   void Init();

src/app/emu/debug/debugger.h

@@ -13,7 +13,7 @@ class Debugger {
  public:
   Debugger() = default;
   // Attach the debugger to the emulator
-  // Debugger(CPU &cpu, PPU &ppu, APU &apu);
+  // Debugger(CPU &cpu, PPU &ppu, Apu &apu);
 
   // Set a breakpoint
   void SetBreakpoint(uint16_t address);
@@ -43,7 +43,7 @@ class Debugger {
   // References to the emulator's components
   // CPU &cpu;
   // PPU &ppu;
-  // APU &apu;
+  // Apu &apu;
 
   // Breakpoints, watchpoints, etc.
   // ...

src/app/emu/snes.cc

@@ -46,7 +46,7 @@ uint16_t GetHeaderOffset(const Memory& memory) {
 }
 
 void audio_callback(void* userdata, uint8_t* stream, int len) {
-  auto* apu = static_cast<APU*>(userdata);
+  auto* apu = static_cast<Apu*>(userdata);
   auto* buffer = reinterpret_cast<int16_t*>(stream);
 
   for (int i = 0; i < len / 2; i++) {  // Assuming 16-bit samples

src/app/emu/snes.h

@@ -92,7 +92,7 @@ class SNES : public DMA {
 
   CPU cpu_{memory_, clock_};
   Ppu ppu_{memory_, clock_};
-  APU apu_{memory_, audio_ram_, clock_};
+  Apu apu_{memory_, audio_ram_, clock_};
 
   // Helper classes
   ROMInfo rom_info_;