MemoryView can now view ARAM (rightclick -> toggle memory). Add "search for instruction" capability to debugger. Code cleanup, log zelda pb type (9 all the time in Zelda Four Swords)

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3479 8ced0084-cf51-0410-be5f-012b33b47a6e

15 files changed, 124 insertions, 90 deletions

diff --git a/Source/Core/Core/Src/Debugger/DebugInterface.h b/Source/Core/Core/Src/Debugger/DebugInterface.h
index 0cf8ca746e..574d41ffbe 100644
--- a/Source/Core/Core/Src/Debugger/DebugInterface.h
+++ b/Source/Core/Core/Src/Debugger/DebugInterface.h
@@ -11,7 +11,7 @@ protected:
 
 public:
 	virtual void disasm(unsigned int /*address*/, char *dest, int /*max_size*/) {strcpy(dest, "NODEBUGGER");}
-	virtual void getRawMemoryString(unsigned int /*address*/, char *dest, int /*max_size*/) {strcpy(dest, "NODEBUGGER");}
+	virtual void getRawMemoryString(int memory, unsigned int /*address*/, char *dest, int /*max_size*/) {strcpy(dest, "NODEBUGGER");}
 	virtual int getInstructionSize(int /*instruction*/) {return 1;}
 	virtual bool isAlive() {return true;}
 	virtual bool isBreakpoint(unsigned int /*address*/) {return false;}
@@ -20,6 +20,7 @@ public:
 	virtual void clearAllBreakpoints() {}
 	virtual void toggleBreakpoint(unsigned int /*address*/){}
 	virtual unsigned int readMemory(unsigned int /*address*/){return 0;}
+	virtual unsigned int readExtraMemory(int memory, unsigned int address){return 0;}
 	virtual unsigned int readInstruction(unsigned int /*address*/){return 0;}
 	virtual unsigned int getPC() {return 0;}
 	virtual void setPC(unsigned int /*address*/) {}
diff --git a/Source/Core/Core/Src/Debugger/PPCDebugInterface.cpp b/Source/Core/Core/Src/Debugger/PPCDebugInterface.cpp
index 934da93158..9919a1307a 100644
--- a/Source/Core/Core/Src/Debugger/PPCDebugInterface.cpp
+++ b/Source/Core/Core/Src/Debugger/PPCDebugInterface.cpp
@@ -21,6 +21,7 @@
 #include "PPCDebugInterface.h"
 #include "PowerPCDisasm.h"
 #include "../Core.h"
+#include "../HW/DSP.h"
 #include "../HW/Memmap.h"
 #include "../PowerPC/PowerPC.h"
 #include "../PowerPC/Jit64/Jit.h"
@@ -51,17 +52,17 @@ void PPCDebugInterface::disasm(unsigned int address, char *dest, int max_size)
 	}
 }
 
-void PPCDebugInterface::getRawMemoryString(unsigned int address, char *dest, int max_size)
+void PPCDebugInterface::getRawMemoryString(int memory, unsigned int address, char *dest, int max_size)
 {
 	if (Core::GetState() != Core::CORE_UNINITIALIZED)
 	{
-		if (Memory::IsRAMAddress(address, true))
+		if (memory || Memory::IsRAMAddress(address, true))
 		{
-			snprintf(dest, max_size, "%08X", readMemory(address));
+			snprintf(dest, max_size, "%08X%s", readExtraMemory(memory, address), memory ? " (ARAM)" : "");
 		}
 		else
 		{
-			strcpy(dest, "--------");
+			strcpy(dest, memory ? "--ARAM--" : "--------");
 		}
 	}
 	else
@@ -75,6 +76,22 @@ unsigned int PPCDebugInterface::readMemory(unsigned int address)
 	return Memory::ReadUnchecked_U32(address);
 }
 
+unsigned int PPCDebugInterface::readExtraMemory(int memory, unsigned int address)
+{
+	switch (memory)
+	{
+	case 0:
+		return Memory::ReadUnchecked_U32(address);
+	case 1:
+		return (DSP::ReadARAM(address)     << 24) |
+			   (DSP::ReadARAM(address + 1) << 16) |
+			   (DSP::ReadARAM(address + 2) << 8) |
+			   (DSP::ReadARAM(address + 3));
+	default:
+		return 0;
+	}
+}
+
 unsigned int PPCDebugInterface::readInstruction(unsigned int address)
 {
 	return Memory::Read_Instruction(address);
diff --git a/Source/Core/Core/Src/Debugger/PPCDebugInterface.h b/Source/Core/Core/Src/Debugger/PPCDebugInterface.h
index 70da7a703e..8e0ab21957 100644
--- a/Source/Core/Core/Src/Debugger/PPCDebugInterface.h
+++ b/Source/Core/Core/Src/Debugger/PPCDebugInterface.h
@@ -12,7 +12,7 @@ class PPCDebugInterface : public DebugInterface
 public:
 	PPCDebugInterface(){} 
 	virtual void disasm(unsigned int address, char *dest, int max_size);
-	virtual void getRawMemoryString(unsigned int address, char *dest, int max_size);
+	virtual void getRawMemoryString(int memory, unsigned int address, char *dest, int max_size);
 	virtual int getInstructionSize(int instruction) {return 4;}
 	virtual bool isAlive();
 	virtual bool isBreakpoint(unsigned int address);
@@ -21,6 +21,11 @@ public:
 	virtual void clearAllBreakpoints();
 	virtual void toggleBreakpoint(unsigned int address);
 	virtual unsigned int readMemory(unsigned int address);
+
+	enum {
+		EXTRAMEM_ARAM = 1,
+	};
+	virtual unsigned int readExtraMemory(int memory, unsigned int address);
 	virtual unsigned int readInstruction(unsigned int address);
 	virtual unsigned int getPC();
 	virtual void setPC(unsigned int address);
diff --git a/Source/Core/Core/Src/HW/DSP.cpp b/Source/Core/Core/Src/HW/DSP.cpp
index acd13dd662..de0c6db11a 100644
--- a/Source/Core/Core/Src/HW/DSP.cpp
+++ b/Source/Core/Core/Src/HW/DSP.cpp
@@ -474,6 +474,7 @@ void UpdateAudioDMA()
 			// Latch new parameters
 			g_audioDMA.BlocksLeft = g_audioDMA.AudioDMAControl.NumBlocks;
 			g_audioDMA.ReadAddress = g_audioDMA.SourceAddress;
+			DEBUG_LOG(DSPLLE, "ADMA read addresses: %08x", g_audioDMA.ReadAddress);
 			GenerateDSPInterrupt(DSP::INT_AID);
 		}
 	} else {
diff --git a/Source/Core/Core/Src/HW/StreamADPCM.cpp b/Source/Core/Core/Src/HW/StreamADPCM.cpp
index b5f0c1f0cd..57526905a3 100644
--- a/Source/Core/Core/Src/HW/StreamADPCM.cpp
+++ b/Source/Core/Core/Src/HW/StreamADPCM.cpp
@@ -11,11 +11,12 @@ static int histl2;
 static int histr1;
 static int histr2;
 
-short ADPDecodeSample(int bits, int q, int *hist1p, int *hist2p) {
-	int hist, cur;
+short ADPDecodeSample(int bits, int q, int *hist1p, int *hist2p)
+{
 	const int hist1 = *hist1p;
 	const int hist2 = *hist2p;
 	
+	int hist;
 	switch (q >> 4)
 	{
 	case 0:
@@ -35,7 +36,7 @@ short ADPDecodeSample(int bits, int q, int *hist1p, int *hist2p) {
 	if (hist >  0x1fffff) hist =  0x1fffff;
 	if (hist < -0x200000) hist = -0x200000;
 
-	cur = (((short)(bits << 12) >> (q & 0xf)) << 6) + hist;
+	int cur = (((short)(bits << 12) >> (q & 0xf)) << 6) + hist;
 	
 	*hist2p = *hist1p;
 	*hist1p = cur;
diff --git a/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_Paired.cpp b/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_Paired.cpp
index fdcb2bb1d7..d74088193a 100644
--- a/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_Paired.cpp
+++ b/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_Paired.cpp
@@ -108,7 +108,6 @@ void ps_div(UGeckoInstruction _inst)
 {
 	rPS0(_inst.FD) = static_cast<float>(rPS0(_inst.FA) / rPS0(_inst.FB));
 	rPS1(_inst.FD) = static_cast<float>(rPS1(_inst.FA) / rPS1(_inst.FB));
-	FPSCR.FI = 0;
 	if (fabs(rPS0(_inst.FB)) == 0.0) {
 		FPSCR.ZX = 1;
 	}
@@ -119,12 +118,14 @@ void ps_res(UGeckoInstruction _inst)
 {
 	rPS0(_inst.FD) = 1.0f / static_cast<float>(rPS0(_inst.FB));
 	rPS1(_inst.FD) = 1.0f / static_cast<float>(rPS1(_inst.FB));
+	if (fabs(rPS0(_inst.FB)) == 0.0) {
+		FPSCR.ZX = 1;
+	}
 	if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
 }
 
 void ps_rsqrte(UGeckoInstruction _inst)
 {
-	// PanicAlert("ps_rsqrte");
 	rPS0(_inst.FD) = static_cast<double>(1.0f / sqrtf((float)rPS0(_inst.FB)));
 	rPS1(_inst.FD) = static_cast<double>(1.0f / sqrtf((float)rPS1(_inst.FB)));
 	if (fabs(rPS0(_inst.FB)) == 0.0) {
diff --git a/Source/Core/Core/Src/PowerPC/PPCTables.cpp b/Source/Core/Core/Src/PowerPC/PPCTables.cpp
index 76690f783f..798cc35147 100644
--- a/Source/Core/Core/Src/PowerPC/PPCTables.cpp
+++ b/Source/Core/Core/Src/PowerPC/PPCTables.cpp
@@ -687,7 +687,7 @@ void InitTables()
 }
 
 #define OPLOG
-#define OP_TO_LOG "mffs"
+#define OP_TO_LOG "mtfsb0x"
 
 #ifdef OPLOG
 namespace {
@@ -695,6 +695,12 @@ namespace {
 }
 #endif
 
+const char *GetInstructionName(UGeckoInstruction _inst)
+{
+	const GekkoOPInfo *info = GetOpInfo(_inst);
+	return info ? info->opname : 0;
+}
+
 void CompileInstruction(UGeckoInstruction _inst)
 {
 	(jit.*dynaOpTable[_inst.OPCD])(_inst);	
@@ -712,9 +718,9 @@ void CompileInstruction(UGeckoInstruction _inst)
 	}
 }
 
-bool IsValidInstruction(UGeckoInstruction _instCode)
+bool IsValidInstruction(UGeckoInstruction _inst)
 {
-	const GekkoOPInfo *info = GetOpInfo(_instCode);
+	const GekkoOPInfo *info = GetOpInfo(_inst);
 	return info != 0;
 }
 
diff --git a/Source/Core/Core/Src/PowerPC/PPCTables.h b/Source/Core/Core/Src/PowerPC/PPCTables.h
index c9df44c8b0..1c71d44575 100644
--- a/Source/Core/Core/Src/PowerPC/PPCTables.h
+++ b/Source/Core/Core/Src/PowerPC/PPCTables.h
@@ -102,8 +102,6 @@ class Jit64;
 namespace PPCTables
 {
 
-
-
 typedef void (Jit64::*_recompilerInstruction) (UGeckoInstruction instCode);
 typedef void (*_interpreterInstruction)(UGeckoInstruction instCode);
 
@@ -115,6 +113,7 @@ void CountInstruction(UGeckoInstruction _inst);
 void PrintInstructionRunCounts();
 void LogCompiledInstructions();
 void CompileInstruction(UGeckoInstruction _inst);
+const char *GetInstructionName(UGeckoInstruction _inst);
 
 }  // namespace
 
diff --git a/Source/Core/DebuggerWX/Src/CodeView.cpp b/Source/Core/DebuggerWX/Src/CodeView.cpp
index c958e30f56..bcd953102d 100644
--- a/Source/Core/DebuggerWX/Src/CodeView.cpp
+++ b/Source/Core/DebuggerWX/Src/CodeView.cpp
@@ -283,9 +283,11 @@ void CCodeView::OnPopupMenu(wxCommandEvent& event)
 		// Insert blr or restore old value
 		case IDM_INSERTBLR:
 			InsertBlrNop(0);
+			redraw();
 			break;
 		case IDM_INSERTNOP:
 			InsertBlrNop(1);
+			redraw();
 			break;
 
 	    case IDM_JITRESULTS:
diff --git a/Source/Core/DebuggerWX/Src/CodeWindow.cpp b/Source/Core/DebuggerWX/Src/CodeWindow.cpp
index 60b46928c7..aef91973d4 100644
--- a/Source/Core/DebuggerWX/Src/CodeWindow.cpp
+++ b/Source/Core/DebuggerWX/Src/CodeWindow.cpp
@@ -46,6 +46,7 @@
 
 #include "FileUtil.h"
 #include "Core.h"
+#include "HW/Memmap.h"
 #include "HLE/HLE.h"
 #include "Boot/Boot.h"
 #include "LogManager.h"
@@ -140,6 +141,7 @@ BEGIN_EVENT_TABLE(CCodeWindow, wxFrame)
 
 	EVT_MENU(IDM_CLEARCODECACHE,    CCodeWindow::OnJitMenu)
 	EVT_MENU(IDM_LOGINSTRUCTIONS,   CCodeWindow::OnJitMenu)
+	EVT_MENU(IDM_SEARCHINSTRUCTION, CCodeWindow::OnJitMenu)
 
 	EVT_MENU(IDM_PROFILEBLOCKS,     CCodeWindow::OnProfilerMenu)
 	EVT_MENU(IDM_WRITEPROFILE,      CCodeWindow::OnProfilerMenu)
@@ -656,6 +658,18 @@ void CCodeWindow::OnJitMenu(wxCommandEvent& event)
 
 		case IDM_CLEARCODECACHE:
 			jit.ClearCache(); break;
+
+		case IDM_SEARCHINSTRUCTION:
+		{
+			wxString str;
+			str = wxGetTextFromUser("", "Op?", wxEmptyString, this);
+			for (u32 addr = 0x80000000; addr < 0x80100000; addr += 4) {
+				const char *name = PPCTables::GetInstructionName(Memory::ReadUnchecked_U32(addr));
+				if (name && !strcmp(str.c_str(), name))
+					NOTICE_LOG(POWERPC, "Found %s at %08x", str.c_str(), addr);
+			}
+			break;
+		}
 	}
 }
 // =====================================
diff --git a/Source/Core/DebuggerWX/Src/CodeWindow.h b/Source/Core/DebuggerWX/Src/CodeWindow.h
index 2ab3436855..469c45cab4 100644
--- a/Source/Core/DebuggerWX/Src/CodeWindow.h
+++ b/Source/Core/DebuggerWX/Src/CodeWindow.h
@@ -106,6 +106,7 @@ class CCodeWindow
 			// JIT
 			IDM_CLEARCODECACHE,
 			IDM_LOGINSTRUCTIONS,
+			IDM_SEARCHINSTRUCTION,
 
 			// Profiler
 			IDM_PROFILEBLOCKS,
diff --git a/Source/Core/DebuggerWX/Src/CodeWindowSJP.cpp b/Source/Core/DebuggerWX/Src/CodeWindowSJP.cpp
index 30b07268f6..f8bd2274a1 100644
--- a/Source/Core/DebuggerWX/Src/CodeWindowSJP.cpp
+++ b/Source/Core/DebuggerWX/Src/CodeWindowSJP.cpp
@@ -110,6 +110,7 @@ void CCodeWindow::CreateSymbolsMenu()
 	wxMenu *pJitMenu = new wxMenu;
 	pJitMenu->Append(IDM_CLEARCODECACHE, _T("&Clear code cache"));
 	pJitMenu->Append(IDM_LOGINSTRUCTIONS, _T("&Log JIT instruction coverage"));
+	pJitMenu->Append(IDM_SEARCHINSTRUCTION, _T("&Search for an op"));
 	pMenuBar->Append(pJitMenu, _T("&JIT"));
 
 	wxMenu *pProfilerMenu = new wxMenu;
diff --git a/Source/Core/DebuggerWX/Src/MemoryView.cpp b/Source/Core/DebuggerWX/Src/MemoryView.cpp
index 2509e3a836..0a3d2193cd 100644
--- a/Source/Core/DebuggerWX/Src/MemoryView.cpp
+++ b/Source/Core/DebuggerWX/Src/MemoryView.cpp
@@ -31,6 +31,7 @@ enum
 	IDM_COPYCODE,
 	IDM_RUNTOHERE,
 	IDM_DYNARECRESULTS,
+	IDM_TOGGLEMEMORY,
 };
 
 
@@ -54,7 +55,8 @@ CMemoryView::CMemoryView(DebugInterface* debuginterface, wxWindow* parent, wxWin
       selectionChanged(false),
       selecting(false),
       hasFocus(false),
-      showHex(false)
+      showHex(false),
+	  memory(0)
 {
 	rowHeight = 13;
 	align = debuginterface->getInstructionSize(0);
@@ -169,10 +171,15 @@ void CMemoryView::OnPopupMenu(wxCommandEvent& event)
 	    case IDM_COPYHEX:
 	    {
 		    char temp[24];
-		    sprintf(temp, "%08x", debugger->readMemory(selection));
+		    sprintf(temp, "%08x", debugger->readExtraMemory(memory, selection));
 		    wxTheClipboard->SetData(new wxTextDataObject(wxString::FromAscii(temp)));
 	    }
-		    break;
+	    break;
+
+		case IDM_TOGGLEMEMORY:
+			memory ^= 1;
+			redraw();
+			break;
 #endif
 	}
 
@@ -192,6 +199,7 @@ void CMemoryView::OnMouseUpR(wxMouseEvent& event)
 	menu.Append(IDM_COPYADDRESS, wxString::FromAscii("Copy &address"));
 	menu.Append(IDM_COPYHEX, wxString::FromAscii("Copy &hex"));
 #endif
+	menu.Append(IDM_TOGGLEMEMORY, wxString::FromAscii("Toggle &memory (RAM/ARAM)"));
 	PopupMenu(&menu);
 	event.Skip(true);
 }
@@ -276,7 +284,7 @@ void CMemoryView::OnPaint(wxPaintEvent& event)
 		dc.SetTextForeground(_T("#600000"));
 		dc.DrawText(temp, 17, rowY1);
 		char mem[256];
-		debugger->getRawMemoryString(address, mem, 256);
+		debugger->getRawMemoryString(memory, address, mem, 256);
 		dc.SetTextForeground(_T("#000080"));
 		dc.DrawText(wxString::FromAscii(mem), 17+fontSize*(8), rowY1);
 		dc.SetTextForeground(_T("#000000"));
@@ -284,12 +292,12 @@ void CMemoryView::OnPaint(wxPaintEvent& event)
 		if (debugger->isAlive())
 		{
 			char dis[256] = {0};
-			u32 mem = debugger->readMemory(address);
+			u32 mem = debugger->readExtraMemory(memory, address);
 			float flt = *(float *)(&mem);
 			sprintf(dis, "f: %f", flt);
 			char desc[256] = "";
 
-			dc.DrawText(wxString::FromAscii(dis), 17 + fontSize*(8 + 8), rowY1);
+			dc.DrawText(wxString::FromAscii(dis), 77 + fontSize*(8 + 8), rowY1);
 
 			if (desc[0] == 0)
 			{
diff --git a/Source/Core/DebuggerWX/Src/MemoryView.h b/Source/Core/DebuggerWX/Src/MemoryView.h
index 6463f9b1af..1d42c821c9 100644
--- a/Source/Core/DebuggerWX/Src/MemoryView.h
+++ b/Source/Core/DebuggerWX/Src/MemoryView.h
@@ -22,55 +22,47 @@
 #include "Common.h"
 #include "Debugger/DebugInterface.h"
 
-
-class CMemoryView
-	: public wxControl
+class CMemoryView : public wxControl
 {
-	public:
-
-		CMemoryView(DebugInterface* debuginterface, wxWindow* parent, wxWindowID Id = -1, const wxSize& Size = wxDefaultSize);
-		wxSize DoGetBestSize() const;
-		void OnPaint(wxPaintEvent& event);
-		void OnErase(wxEraseEvent& event);
-		void OnMouseDown(wxMouseEvent& event);
-		void OnMouseMove(wxMouseEvent& event);
-		void OnMouseUpL(wxMouseEvent& event);
-		void OnMouseUpR(wxMouseEvent& event);
-		void OnPopupMenu(wxCommandEvent& event);
-
-
-		u32 GetSelection() {return(selection);}
-
-
-		void Center(u32 addr)
-		{
-			curAddress = addr;
-			redraw();
-		}
-
-
-	private:
-
-		int YToAddress(int y);
-
-
-		void redraw() {Refresh();}
-
-
-		DebugInterface* debugger;
-
-		int curAddress;
-		int align;
-		int rowHeight;
-
-		u32 selection;
-		u32 oldSelection;
-		bool selectionChanged;
-		bool selecting;
-		bool hasFocus;
-		bool showHex;
-
-		DECLARE_EVENT_TABLE()
+public:
+	CMemoryView(DebugInterface* debuginterface, wxWindow* parent, wxWindowID Id = -1, const wxSize& Size = wxDefaultSize);
+	wxSize DoGetBestSize() const;
+	void OnPaint(wxPaintEvent& event);
+	void OnErase(wxEraseEvent& event);
+	void OnMouseDown(wxMouseEvent& event);
+	void OnMouseMove(wxMouseEvent& event);
+	void OnMouseUpL(wxMouseEvent& event);
+	void OnMouseUpR(wxMouseEvent& event);
+	void OnPopupMenu(wxCommandEvent& event);
+
+	u32 GetSelection() {return(selection);}
+
+	void Center(u32 addr)
+	{
+		curAddress = addr;
+		redraw();
+	}
+
+private:
+	int YToAddress(int y);
+	void redraw() {Refresh();}
+
+	DebugInterface* debugger;
+
+	int curAddress;
+	int align;
+	int rowHeight;
+
+	u32 selection;
+	u32 oldSelection;
+	bool selectionChanged;
+	bool selecting;
+	bool hasFocus;
+	bool showHex;
+
+	int memory;
+
+	DECLARE_EVENT_TABLE()
 };
 
 #endif /*MEMORYVIEW_H_*/
diff --git a/Source/Core/DebuggerWX/Src/MemoryWindow.cpp b/Source/Core/DebuggerWX/Src/MemoryWindow.cpp
index 0f9375fb6f..fd9711137d 100644
--- a/Source/Core/DebuggerWX/Src/MemoryWindow.cpp
+++ b/Source/Core/DebuggerWX/Src/MemoryWindow.cpp
@@ -42,24 +42,11 @@
 
 enum
 {
-	IDM_DEBUG_GO = 350,
-	IDM_STEP,
-	IDM_STEPOVER,
-	IDM_SKIP,
-	IDM_SETPC,
-	IDM_GOTOPC,
-	IDM_ADDRBOX,
-	IDM_CALLSTACKLIST,
+	IDM_ADDRBOX = 350,
 	IDM_SYMBOLLIST,
-	IDM_INTERPRETER,
-	IDM_DUALCORE,
-	IDM_LOGWINDOW,
-	IDM_REGISTERWINDOW,
-	IDM_BREAKPOINTWINDOW,
-	IDM_VALBOX,
 	IDM_SETVALBUTTON,
 	IDM_DUMP_MEMORY,
-
+	IDM_VALBOX,
 };
 
 BEGIN_EVENT_TABLE(CMemoryWindow, wxFrame)
@@ -70,7 +57,6 @@ BEGIN_EVENT_TABLE(CMemoryWindow, wxFrame)
 	EVT_BUTTON(IDM_DUMP_MEMORY,     CMemoryWindow::OnDumpMemory)
 END_EVENT_TABLE()
 
-
 CMemoryWindow::CMemoryWindow(wxWindow* parent, wxWindowID id,
 		const wxString& title, const wxPoint& pos, const wxSize& size, long style)
 	: wxFrame(parent, id, title, pos, size, style)
@@ -87,9 +73,7 @@ CMemoryWindow::CMemoryWindow(wxWindow* parent, wxWindowID id,
 	//sizerBig->Add(sizerLeft, 1, wxEXPAND);
 	sizerBig->Add(memview, 20, wxEXPAND);
 	sizerBig->Add(sizerRight, 0, wxEXPAND | wxALL, 3);
-	sizerRight->Add(buttonGo = new wxButton(this, IDM_DEBUG_GO, _T("&Go")));
 	sizerRight->Add(addrbox = new wxTextCtrl(this, IDM_ADDRBOX, _T("")));
-	sizerRight->Add(new wxButton(this, IDM_SETPC, _T("S&et PC")));
 	sizerRight->Add(valbox = new wxTextCtrl(this, IDM_VALBOX, _T("")));
 	sizerRight->Add(new wxButton(this, IDM_SETVALBUTTON, _T("Set &Value")));
 	
@@ -162,14 +146,15 @@ void CMemoryWindow::SetMemoryValue(wxCommandEvent& event)
 	Memory::Write_U32(val, addr);
 	memview->Refresh();
 }
+
 void CMemoryWindow::OnAddrBoxChange(wxCommandEvent& event)
 {
 	wxString txt = addrbox->GetValue();
-	if (txt.size() == 8)
+	if (txt.size())
 	{
 		u32 addr;
 		sscanf(txt.mb_str(), "%08x", &addr);
-		memview->Center(addr);
+		memview->Center(addr & ~3);
 	}
 
 	event.Skip(1);