Add NES DMC Bits Remaining to Register Viewer

Core/NES/APU/DeltaModulationChannel.cpp

@@ -313,6 +313,7 @@ ApuDmcState DeltaModulationChannel::GetState()
 	state.SampleAddr = _sampleAddr;
 	state.NextSampleAddr = _currentAddr;
 	state.SampleLength = _sampleLength;
+	state.BitsRemaining = _bitsRemaining;
 	return state;
 }
 

Core/NES/NesTypes.h

@@ -341,6 +341,7 @@ struct ApuDmcState
 	uint16_t Period;
 	uint16_t Timer;
 	uint16_t BytesRemaining;
+	uint8_t BitsRemaining;
 
 	uint8_t OutputVolume;
 };

UI/Debugger/RegisterViewer/NesRegisterViewer.cs

@@ -196,6 +196,7 @@ private static RegisterViewerTab GetNesApuTab(ref NesState state)
 			new RegEntry("--", "Timer", dmc.Timer),
 			new RegEntry("--", "Frequency", Math.Round(dmc.SampleRate).ToString("0."), null),
 			new RegEntry("--", "Bytes Remaining", dmc.BytesRemaining),
+			new RegEntry("--", "Bits Remaining", dmc.BitsRemaining),
 			new RegEntry("--", "Next sample address", dmc.NextSampleAddr, Format.X16),
 		});
 

UI/Interop/ConsoleState/NesState.cs

@@ -318,6 +318,7 @@ public struct NesApuDmcState
 	public UInt16 Period;
 	public UInt16 Timer;
 	public UInt16 BytesRemaining;
+	public byte BitsRemaining;
 
 	public byte OutputVolume;
 }