--- nono/debugger/debugger_private.h	2026/04/29 17:05:09	1.1.1.9
+++ nono/debugger/debugger_private.h	2026/04/29 17:05:13	1.1.1.10
@@ -225,17 +225,15 @@ class Debugger : public ThreadDevice
 	static const uint32 REQUEST_ACCEPT	= 0x0004;	// 着信通知
 	static const uint32 REQUEST_PROMPT	= 0x0008;	// プロンプト要求
 
-	// 型
-	enum CommandAction {
+	// コマンド
+	enum CmdAct {
 		Stay,		// デバッガプロンプトに留まる
 		Leave,		// デバッガプロンプトを抜けて VM を実行する
 		Quit,		// デバッガとの接続を終了する
 	};
-	using cmdfunc_t = void (Debugger::*)();
 	struct cmddef_t {
 		const char *name;
-		cmdfunc_t func;
-		CommandAction action;
+		CmdAct (Debugger::*func)();
 	};
 
 	// ブレークポイント種別
@@ -310,63 +308,65 @@ class Debugger : public ThreadDevice
 	void LeavePrompt();
 	void PrintPrompt();
 
-	CommandAction Command();
+	CmdAct Command();
 	bool CheckAllBreakpoints();
 	bool CheckBreakpointInst(breakpoint_t&);
 	void ParseCmdbuf();
 	// コマンド名は大文字小文字を区別する関係でスネークスタイル。
-	void cmd_b();
-	void cmd_bi();
-	void cmd_bm();
-	void cmd_bv();
-	void cmd_b_list();
-	void cmd_b_set(BreakpointType);
-	void cmd_b_delete();
-	void cmd_brhist();
-	void cmd_bx();
-	void cmd_c();
-	void cmd_d();
-	void cmd_dt();
-	void cmd_D();
-	void cmd_disp();
-	void cmd_exhist();
-	void cmd_h();
-	void cmd_hb();
-	void cmd_hr();
-	void cmd_L();
-	void cmd_m();
-	void cmd_mt();
-	void cmd_M();
-	void cmd_minus();
-	void cmd_n();
-	void cmd_nt();
-	void cmd_q();
-	void cmd_reset();
-	void cmd_s();
-	void cmd_st();
-	void cmd_so();
-	void cmd_sot();
-	void cmd_show();
-	void cmd_t();
+	CmdAct cmd_b();
+	CmdAct cmd_bi();
+	CmdAct cmd_bm();
+	CmdAct cmd_bv();
+	CmdAct cmd_b_list();
+	CmdAct cmd_b_set(BreakpointType);
+	CmdAct cmd_b_delete();
+	CmdAct cmd_brhist();
+	CmdAct cmd_bx();
+	CmdAct cmd_c();
+	CmdAct cmd_ct();
+	CmdAct cmd_d();
+	CmdAct cmd_dt();
+	CmdAct cmd_D();
+	CmdAct cmd_disp();
+	CmdAct cmd_exhist();
+	CmdAct cmd_h();
+	CmdAct cmd_hb();
+	CmdAct cmd_hr();
+	CmdAct cmd_L();
+	CmdAct cmd_m();
+	CmdAct cmd_mt();
+	CmdAct cmd_M();
+	CmdAct cmd_minus();
+	CmdAct cmd_n();
+	CmdAct cmd_nt();
+	CmdAct cmd_q();
+	CmdAct cmd_reset();
+	CmdAct cmd_s();
+	CmdAct cmd_st();
+	CmdAct cmd_so();
+	CmdAct cmd_sot();
+	CmdAct cmd_show();
+	CmdAct cmd_t();
 
 	bool Check();
 	int AddBreakpoint(const breakpoint_t&);
 	void RecalcInstMask();
 	bool GetAddr(saddr_t *addr, bool);
-	void cmd_d_common(MemoryMode access_mode, MMULookupMode lookup_mode);
-	void cmd_hist_common(BranchHistory& hist);
-	void cmd_m_common(MemoryMode access_mode, MMULookupMode lookup_mode);
-	void cmd_n_common(bool);
-	void cmd_s_common(bool);
-	void cmd_so_common(bool);
+	CmdAct cmd_d_common(MemoryMode access_mode, MMULookupMode lookup_mode);
+	CmdAct cmd_hist_common(BranchHistory& hist);
+	CmdAct cmd_m_common(MemoryMode access_mode, MMULookupMode lookup_mode);
+	CmdAct cmd_n_common(bool);
+	CmdAct cmd_s_common(bool);
+	CmdAct cmd_so_common(bool);
 	bool ParseVerbHex(const char *arg, uint32 *valp);
 	bool ParseAddr(const char *arg, uint32_t *addrp);
+	bool ParseTime(const char *arg, uint64 *timep);
 	void SetNBreakpoint();
 
 	static const HelpMessages HelpListMain;
 	static const HelpMessages HelpListBreakpoints;
 	static const HelpMessages HelpDetails;
-	void ShowHelpList(const HelpMessages& msgs);
+	CmdAct ShowHelpList(const HelpMessages& msgs);
 
 	// 個別ヘルプメッセージを出力用に置換
 	std::string HelpConvert(const std::string& msg);
@@ -406,6 +406,9 @@ class Debugger : public ThreadDevice
 	int bi_inst_bytes {};
 	int bi_need_bytes {};
 	int bv_vector = -1;
+	bool ct_enable {};
+	uint64 ct_end_time {};
+	uint64 ct_timespan {};
 	saddr_t d_last_addr {};
 	saddr_t m_last_addr {};
 	bool n_enable {};