diff --git a/Core/ExpressionEvaluator.cpp b/Core/ExpressionEvaluator.cpp
index 05e5f434..d55e1849 100644
--- a/Core/ExpressionEvaluator.cpp
+++ b/Core/ExpressionEvaluator.cpp
@@ -80,6 +80,12 @@ bool ExpressionEvaluator::CheckSpecialTokens(string expression, size_t &pos, str
 		output += std::to_string(EvalValues::RegPS);
 	} else if(!token.compare("sp")) {
 		output += std::to_string(EvalValues::RegSP);
+	} else if(!token.compare("pc")) {
+		output += std::to_string(EvalValues::RegPC);
+	} else if(!token.compare("oppc")) {
+		output += std::to_string(EvalValues::RegOpPC);
+	} else if(!token.compare("frame")) {
+		output += std::to_string(EvalValues::PpuFrameCount);
 	} else if(!token.compare("cycle")) {
 		output += std::to_string(EvalValues::PpuCycle);
 	} else if(!token.compare("scanline")) {
@@ -302,6 +308,9 @@ int32_t ExpressionEvaluator::Evaluate(vector<int> *rpnList, DebugState &state, E
 				case EvalValues::RegY: token = state.CPU.Y; break;
 				case EvalValues::RegSP: token = state.CPU.SP; break;
 				case EvalValues::RegPS: token = state.CPU.PS; break;
+				case EvalValues::RegPC: token = state.CPU.PC; break;
+				case EvalValues::RegOpPC: token = state.CPU.DebugPC; break;
+				case EvalValues::PpuFrameCount: token = state.PPU.FrameCount; break;
 				case EvalValues::PpuCycle: token = state.PPU.Cycle; break;
 				case EvalValues::PpuScanline: token = state.PPU.Scanline; break;
 				case EvalValues::Nmi: token = state.CPU.NMIFlag; break;
diff --git a/Core/ExpressionEvaluator.h b/Core/ExpressionEvaluator.h
index 0470fdee..f043cc89 100644
--- a/Core/ExpressionEvaluator.h
+++ b/Core/ExpressionEvaluator.h
@@ -51,13 +51,16 @@ enum EvalValues
 	RegY = 2000000102,
 	RegSP = 2000000103,
 	RegPS = 2000000104,
-	PpuCycle = 2000000105,
-	PpuScanline = 2000000106,
-	Nmi = 2000000107,
-	Irq = 2000000108,
-	Value = 2000000109,
-	Address = 2000000110,
-	AbsoluteAddress = 2000000111,
+	RegPC = 2000000105,
+	RegOpPC = 2000000106,
+	PpuFrameCount = 2000000107,
+	PpuCycle = 2000000108,
+	PpuScanline = 2000000109,
+	Nmi = 2000000110,
+	Irq = 2000000111,
+	Value = 2000000112,
+	Address = 2000000113,
+	AbsoluteAddress = 2000000114,
 };
 
 enum EvalResultType
diff --git a/GUI.NET/Debugger/frmBreakpoint.cs b/GUI.NET/Debugger/frmBreakpoint.cs
index 9cba584a..c5bfd31e 100644
--- a/GUI.NET/Debugger/frmBreakpoint.cs
+++ b/GUI.NET/Debugger/frmBreakpoint.cs
@@ -51,8 +51,11 @@ namespace Mesen.GUI.Debugger
 				"Note: Use the $ prefix to denote hexadecimal values." + Environment.NewLine + 
 				"Note 2: Labels assigned to the code can be used (their value will match the label's address in CPU memory)." + Environment.NewLine + Environment.NewLine +
 				"A/X/Y/PS/SP: Value of registers" + Environment.NewLine +
+				"PC: Program Counter" + Environment.NewLine +
+				"OpPC: Address of the current instruction's first byte" + Environment.NewLine +
 				"Irq/Nmi: True if the Irq/Nmi flags are set" + Environment.NewLine +
 				"Cycle/Scanline: Current cycle (0-340)/scanline(-1 to 260) of the PPU" + Environment.NewLine +
+				"Frame: PPU frame number (since power on/reset)" + Environment.NewLine +
 				"Value: Current value being read/written from/to memory" + Environment.NewLine +
 				"Address: Current CPU memory address being read/written" + Environment.NewLine +
 				"RomAddress: Current ROM address being read/written" + Environment.NewLine +
diff --git a/GUI.NET/Debugger/frmDebugger.cs b/GUI.NET/Debugger/frmDebugger.cs
index d8e762a7..26b1c2be 100644
--- a/GUI.NET/Debugger/frmDebugger.cs
+++ b/GUI.NET/Debugger/frmDebugger.cs
@@ -103,8 +103,11 @@ namespace Mesen.GUI.Debugger
 				"Note: Use the $ prefix to denote hexadecimal values." + Environment.NewLine + 
 				"Note 2: Labels assigned to the code can be used (their value will match the label's address in CPU memory)." + Environment.NewLine + Environment.NewLine +
 				"A/X/Y/PS/SP: Value of registers" + Environment.NewLine +
+				"PC: Program Counter" + Environment.NewLine +
+				"OpPC: Address of the current instruction's first byte" + Environment.NewLine +
 				"Irq/Nmi: True if the Irq/Nmi flags are set" + Environment.NewLine +
 				"Cycle/Scanline: Current cycle (0-340)/scanline(-1 to 260) of the PPU" + Environment.NewLine +
+				"Frame: PPU frame number (since power on/reset)" + Environment.NewLine +
 				"Value: Current value being read/written from/to memory" + Environment.NewLine +
 				"[<address>]: (Byte) Memory value at <address> (CPU)" + Environment.NewLine +
 				"{<address>}: (Word) Memory value at <address> (CPU)" + Environment.NewLine + Environment.NewLine +