--- nono/vm/sio.h	2026/04/29 17:05:10	1.1.1.9
+++ nono/vm/sio.h	2026/04/29 17:05:17	1.1.1.10
@@ -13,6 +13,8 @@
 #include "device.h"
 #include "mpscc.h"
 
+class Keyboard;
+
 class SIODevice : public MPSCCDevice
 {
 	using inherited = MPSCCDevice;
@@ -20,6 +22,7 @@ class SIODevice : public MPSCCDevice
 	SIODevice();
 	virtual ~SIODevice() override;
 
+	bool Init() override;
 	void ResetHard(bool poweron) override;
 
 	// BusIO インタフェース
@@ -68,8 +71,12 @@ class SIODevice : public MPSCCDevice
 	DECLARE_MONITOR_CALLBACK(MonitorUpdate);
 	void MonitorUpdateCh(TextScreen&, int ch, int xbase, int ybase);
 
+	Keyboard *keyboard {};
+
 	static const char * const crnames[16];
 	static const char * const srnames[16];
 };
 
-extern SIODevice *gSIO;
+static inline SIODevice *GetSIODevice() {
+	return Object::GetObject<SIODevice>(OBJ_MPSCC);
+}