Added mic button to gcpad 1 and 2 diags. Both mic slots use gcpad 1 currently. Totally untested.

Source/Core/Core/Src/HW/EXI_DeviceMic.cpp

@@ -208,9 +208,7 @@ void CEXIMic::TransferByte(u8 &byte)
 	case cmdGetStatus:
 		if (pos == 0)
 		{
-			SPADStatus silly;
-			Pad::GetStatus(0, &silly);
-			status.button = !!(silly.button & PAD_BUTTON_A);
+			status.button = Pad::GetMicButton(0);	// TODO: slot A/B -> 0/1
 		}
 
 		byte = status.U8[pos ^ 1];

Source/Core/Core/Src/HW/GCPad.cpp

@@ -107,4 +107,15 @@ void Rumble(u8 _numPAD, unsigned int _uType, unsigned int _uStrength)
 	}
 }
 
+bool GetMicButton(u8 pad)
+{
+	
+	std::unique_lock<std::recursive_mutex> lk(g_plugin.controls_lock, std::try_to_lock);
+
+	if (!lk.owns_lock())
+		return false;
+
+	return ((GCPad*)g_plugin.controllers[pad])->GetMicButton();
+}
+
 }

Source/Core/Core/Src/HW/GCPad.h

@@ -33,6 +33,7 @@ InputPlugin *GetPlugin();
 void GetStatus(u8 _numPAD, SPADStatus* _pPADStatus);
 void Rumble(u8 _numPAD, unsigned int _uType, unsigned int _uStrength);
 
+bool GetMicButton(u8 pad);
 }
 
 #endif

Source/Core/Core/Src/HW/GCPadEmu.cpp

@@ -25,7 +25,8 @@ const u16 button_bitmasks[] =
 	PAD_BUTTON_X,
 	PAD_BUTTON_Y,
 	PAD_TRIGGER_Z,
-	PAD_BUTTON_START
+	PAD_BUTTON_START,
+	0	// MIC HAX
 };
 
 const u16 trigger_bitmasks[] =
@@ -47,6 +48,7 @@ const char* const named_buttons[] =
 	"Y",
 	"Z",
 	_trans("Start"),
+	"Mic"
 };
 
 const char* const named_triggers[] =
@@ -63,10 +65,11 @@ const char* const named_triggers[] =
 
 GCPad::GCPad(const unsigned int index) : m_index(index)
 {
+	int const mic_hax = index > 1;
 
 	// buttons
 	groups.push_back(m_buttons = new Buttons(_trans("Buttons")));
-	for (unsigned int i=0; i < sizeof(named_buttons)/sizeof(*named_buttons); ++i)
+	for (unsigned int i=0; i < sizeof(named_buttons)/sizeof(*named_buttons) - mic_hax; ++i)
 		m_buttons->controls.push_back(new ControlGroup::Input(named_buttons[i]));
 
 	// sticks
@@ -203,3 +206,8 @@ void GCPad::LoadDefaults(const ControllerInterface& ciface)
 	set_control(m_triggers, 0, "Q");	// L
 	set_control(m_triggers, 1, "W");	// R
 }
+
+bool GCPad::GetMicButton() const
+{
+	return m_buttons->controls.back()->control_ref->State();
+}

Source/Core/Core/Src/HW/GCPadEmu.h

@@ -30,6 +30,8 @@ public:
 	void GetInput(SPADStatus* const pad);
 	void SetOutput(const bool on);
 
+	bool GetMicButton() const;
+	
 	std::string GetName() const;
 
 	void LoadDefaults(const ControllerInterface& ciface);