--- nono/debugger/debugger_m680x0.h	2026/04/29 17:04:30	1.1
+++ nono/debugger/debugger_m680x0.h	2026/04/29 17:05:58	1.1.1.12
@@ -1,63 +1,89 @@
 //
 // nono
-// Copyright (C) 2020 isaki@NetBSD.org
+// Copyright (C) 2020 nono project
+// Licensed under nono-license.txt
+//
+
+//
+// デバッガ (M680x0 依存部分)
 //
 
 #pragma once
 
 #include "debugger_private.h"
-#include "m68030.h"
-#include "m68030disasm.h"
+#include "mpu680x0.h"
+#include "m680x0disasm.h"
+
+class StackData;
 
 class DebuggerMD_m680x0 : public DebuggerMD
 {
-	typedef DebuggerMD inherited;
+	using inherited = DebuggerMD;
  public:
-	DebuggerMD_m680x0(Debugger *parg, m68kcpu *carg)
-		: inherited(parg)
-	{
-		cpu = carg;
+	explicit DebuggerMD_m680x0(Debugger *parent);
+	~DebuggerMD_m680x0() override;
+
+	CPUState GetCPUState() const override { return (CPUState)cpu->GetState(); }
+	bool IsSuper() const override { return cpu->IsSuper(); }
+	bool MMUEnabled() const override { return cpu->mmu_enable; }
+	busaddr TranslateAddr(busaddr laddr) const override;
+
+	uint32 GetPC() const override { return cpu->reg.pc; }
+	int32 GetAndResetLastVector() override {
+		return cpu->GetAndResetLastVector();
 	}
-	virtual ~DebuggerMD_m680x0() { }
 
-	void ReqSet(uint32 flag) { cpu->atomic_reqflag |= flag; }
-	void ReqClr(uint32 flag) { cpu->atomic_reqflag &= ~flag; }
+	void SetStepOut() override;
+	bool IsStepOut() const override;
+	bool IsOpStepIn(DebuggerMemoryStream& mem) override;
+	uint64 GetRegAddr(const char *name) const override;
+	void BackupRegs() override { prev = cpu->reg; }
+	bool ShowRegister(FILE *, const std::vector<std::string>& args) override;
+	const HelpMessages& GetHelpListReg() const override;
+	const HelpMessages& GetHelpReg() const override;
+
+	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;
 
-	bool IsSuper() const { return cpu->reg.s; }
-	bool MMUEnabled() const { return cpu->mmu_enable; }
-	uint64 TranslateAddr(saddr_t laddr);
-
-	uint32 GetPC() const { return RegPC; }
-
-	void SetStepOut();
-	bool IsStepOut() const;
-	uint64 GetRegAddr(const char *name) const;
-	void BackupRegs() { prev = cpu->reg; }
-	void ShowRegMain(Console *cons);
-	void ShowRegCtrl(Console *cons) {}
-	void ShowRegFPU(Console *cons);
-	void ShowRegMMU(Console *cons);
-	void ShowRegATC(Console *cons);
-	void ShowRegOther(Console *cons);
-
-	bool CheckLEA(uint32 laddr) { return false; }
-
-	bool Disassemble(saddr_t laddr,
-		std::string& mnemonic, std::vector<uint8>& bin);
-	std::string FormatDisasm(const std::string& mnemonic,
-		const std::vector<uint8>& bin);
-	std::string FormatDisasmLive(const std::string& mnemonic,
-		const std::vector<uint8>& bin);
+	// 浮動小数点ステートフレームを表示する。
+	void PrintFPStateFrame(FILE *, busaddr);
 
  private:
-	m68kcpu *cpu = NULL;		// CPU コア
-	m68kreg prev {};			// 前回のレジスタセットのコピー
+	MPU680x0Device *cpu {};	// MPU デバイス
+	m68kreg prev {};		// 前回のレジスタセットのコピー
 
-	const char *CondStr(const std::vector<uint16>& ir);
-	bool IsOPcc(uint16 op);
-	bool IsDBcc(uint16 op);
-	bool IsCond(uint16 op);
+	static bool IsOPcc(uint16 op);
+	static bool IsDBcc(uint16 op);
+	static int  IsFXcc(const std::vector<uint16>& ir);
+	bool IsCond(uint16 op) const;
+	const char *CondStr(const std::vector<uint16>& ir) const;
+
+	static const HelpMessages HelpListReg;
+	static const HelpMessages HelpReg;
+	void ShowRegMain(FILE *);
+	void ShowRegFPU(FILE *);
+	void ShowRegMMU30(FILE *);
+	void ShowRegMMU40(FILE *);
+	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 = 0;			// ステップアウト判定用
-	uint16 so_sr = 0;
+	uint32 so_a7 {};			// ステップアウト判定用
+	uint16 so_sr {};
 };