diff --git a/Core/NES/Mappers/Audio/Mmc5Audio.h b/Core/NES/Mappers/Audio/Mmc5Audio.h
index 3b104450c..f3d2b34b9 100644
--- a/Core/NES/Mappers/Audio/Mmc5Audio.h
+++ b/Core/NES/Mappers/Audio/Mmc5Audio.h
@@ -104,6 +104,11 @@ class Mmc5Audio : public BaseExpansionAudio
 		_pcmOutput = 0;
 	}
 
+	void PCMReadModeDataRead(char dacval) {
+		if(_pcmReadMode && dacval)
+			_pcmOutput = dacval; //
+	}
+
 	uint8_t ReadRegister(uint16_t addr)
 	{
 		switch(addr) {
@@ -139,7 +144,7 @@ class Mmc5Audio : public BaseExpansionAudio
 				break;
 
 			case 0x5010:
-				//TODO: Read mode & PCM IRQs are not implemented
+				//TODO: PCM IRQ
 				_pcmReadMode = (value & 0x01) == 0x01;
 				_pcmIrqEnabled = (value & 0x80) == 0x80;
 				break;
diff --git a/Core/NES/Mappers/Nintendo/MMC5.h b/Core/NES/Mappers/Nintendo/MMC5.h
index f1cec4906..f13425f25 100644
--- a/Core/NES/Mappers/Nintendo/MMC5.h
+++ b/Core/NES/Mappers/Nintendo/MMC5.h
@@ -451,6 +451,14 @@ class MMC5 : public BaseMapper, public IExtModeMapperDebug
 		BaseMapper::WriteRam(addr, value);
 	}
 
+	uint8_t ReadRam(uint16_t addr) override
+	{
+		if((addr & 0xC000) == 0x8000)  {
+			_audio->PCMReadModeDataRead(InternalReadRam(addr));
+		}
+		return BaseMapper::ReadRam(addr);
+	}
+
 	void DetectScanlineStart(uint16_t addr)
 	{
 		if(_ntReadCounter >= 2) {
diff --git a/Core/NES/Mappers/Unlicensed/Nina01.h b/Core/NES/Mappers/Unlicensed/Nina01.h
index 838f2f239..ef3c28af4 100644
--- a/Core/NES/Mappers/Unlicensed/Nina01.h
+++ b/Core/NES/Mappers/Unlicensed/Nina01.h
@@ -18,9 +18,9 @@ class Nina01 : public BaseMapper
 	void WriteRegister(uint16_t addr, uint8_t value) override
 	{
 		switch(addr) {
-			case 0x7FFD: SelectPrgPage(0, value & 0x01); break;
-			case 0x7FFE: SelectChrPage(0, value & 0x0F); break;
-			case 0x7FFF: SelectChrPage(1, value & 0x0F); break;
+			case 0x7FFD: SelectPrgPage(0, value); break;
+			case 0x7FFE: SelectChrPage(0, value); break;
+			case 0x7FFF: SelectChrPage(1, value); break;
 		}
 
 		WritePrgRam(addr, value);