--- nono/vm/lunakbd.h	2026/04/29 17:05:09	1.1.1.11
+++ nono/vm/lunakbd.h	2026/04/29 17:05:17	1.1.1.12
@@ -14,6 +14,8 @@
 #include "event.h"
 #include "monitor.h"
 
+class SIODevice;
+
 class LunaKeyboard : public Keyboard
 {
 	using inherited = Keyboard;
@@ -21,6 +23,8 @@ class LunaKeyboard : public Keyboard
 	LunaKeyboard();
 	virtual ~LunaKeyboard() override;
 
+	bool Init() override;
+
 	// シフト状態なら true を返す
 	bool IsShift() const override;
 
@@ -71,7 +75,6 @@ class LunaKeyboard : public Keyboard
 	bool mouse_on {};
 
 	// ブザー
-	bool buzzer_on {};			// ブザー発音中なら true
 	uint buzzer_msec {};		// コマンドで指定した発音時間 [msec]
 	uint buzzer_freq {};		// コマンドで指定した発音周波数 [Hz]
 	uint64 buzzer_end {};		// ブザーを鳴らし終わる仮想時刻
@@ -81,6 +84,8 @@ class LunaKeyboard : public Keyboard
 
 	Monitor monitor { this };
 
+	SIODevice *sio {};
+
 	// 変換テーブル
 	static const uint keycode2lunakey_table[KC_max];
 
@@ -123,6 +128,7 @@ class LunaKeyboard : public Keyboard
 	static const uint LunaKey_minus			= 0x2c;
 	static const uint LunaKey_circum		= 0x2d;
 	static const uint LunaKey_backslash		= 0x2e;
+	static const uint LunaKey_buzzer		= 0x2f;
 
 	static const uint LunaKey_Q				= 0x32;
 	static const uint LunaKey_W				= 0x33;