--- nono/debugger/debugger_m680x0.h	2026/04/29 17:05:32	1.1.1.10
+++ nono/debugger/debugger_m680x0.h	2026/04/29 17:05:58	1.1.1.12
@@ -14,6 +14,8 @@
 #include "mpu680x0.h"
 #include "m680x0disasm.h"
 
+class StackData;
+
 class DebuggerMD_m680x0 : public DebuggerMD
 {
 	using inherited = DebuggerMD;
@@ -27,6 +29,9 @@ class DebuggerMD_m680x0 : public Debugge
 	busaddr TranslateAddr(busaddr laddr) const override;
 
 	uint32 GetPC() const override { return cpu->reg.pc; }
+	int32 GetAndResetLastVector() override {
+		return cpu->GetAndResetLastVector();
+	}
 
 	void SetStepOut() override;
 	bool IsStepOut() const override;
@@ -40,6 +45,12 @@ class DebuggerMD_m680x0 : public Debugge
 	bool CheckLEA(uint32 laddr) override { return false; }
 
 	std::string Disassemble(DebuggerMemoryStream& mem) override;
+	std::string ParseInst(const std::string&) const override;
+
+	void PrintExceptionFrame(FILE *, busaddr) override;
+
+	// 浮動小数点ステートフレームを表示する。
+	void PrintFPStateFrame(FILE *, busaddr);
 
  private:
 	MPU680x0Device *cpu {};	// MPU デバイス
@@ -60,6 +71,19 @@ class DebuggerMD_m680x0 : public Debugge
 	void ShowRegATC();
 	void ShowRegOther();
 
+	bool PrintExceptionFrameCommon(FILE *, const StackData&, bool);
+	void PrintExceptionFrame0(FILE *, StackData&);
+	void PrintExceptionFrame2(FILE *, StackData&);
+	void PrintExceptionFrame3(FILE *, StackData&);
+	void PrintExceptionFrame4(FILE *, StackData&);
+	void PrintExceptionFrame7(FILE *, StackData&);
+	void PrintExceptionFrameB(FILE *, StackData&);
+
+	void PrintFPFrame6888xIdle(FILE *, StackData&, uint32 len);
+	void PrintFPFrame6888xBusy(FILE *, StackData&, uint32 len);
+	void PrintFPFrame68040Unimpl(FILE *, StackData&, uint base);
+	void PrintFPFrame68040Busy(FILE *, StackData&);
+
 	uint32 so_a7 {};			// ステップアウト判定用
 	uint16 so_sr {};
 };