--- nono/vm/power.cpp	2026/04/29 17:05:24	1.1.1.4
+++ nono/vm/power.cpp	2026/04/29 17:05:28	1.1.1.5
@@ -201,7 +201,7 @@ PowerDevice::GetPowerButtonState() const
 void
 PowerDevice::SetSystemPowerOn(bool poweron)
 {
-	assert("PowerDevice::SetSystemPowerOn should not be called.");
+	assertmsg(false, "PowerDevice::SetSystemPowerOn should not be called.");
 }
 
 
@@ -223,9 +223,6 @@ PowerDevice::SetSystemPowerOn(bool power
 LunaPowerDevice::LunaPowerDevice()
 	: inherited()
 {
-	event.func = ToEventCallback(&LunaPowerDevice::PowerCallback);
-	event.time = 1_msec;
-	event.Regist("Power Off");
 }
 
 // デストラクタ
@@ -233,6 +230,22 @@ LunaPowerDevice::~LunaPowerDevice()
 {
 }
 
+// 初期化
+bool
+LunaPowerDevice::Init()
+{
+	if (inherited::Init() == false) {
+		return false;
+	}
+
+	event.func = ToEventCallback(&LunaPowerDevice::PowerCallback);
+	event.time = 1_msec;
+	event.SetName("Power Off");
+	scheduler->RegistEvent(event);
+
+	return true;
+}
+
 // PIO1 の PC4 が繋がっているということにする。
 void
 LunaPowerDevice::SetSystemPowerOn(bool poweron)
@@ -325,7 +338,7 @@ X68030PowerDevice::Change()
 {
 	bool old_power = ispower;
 	bool new_power = power_button | alarm_out | system_poweron;
-	putlog(1, "Change: old=%d new=%d (button=%d alarm=%d system=%d)",
+	putlog(1, "Change: old=%u new=%u (button=%u alarm=%u system=%u)",
 		old_power, new_power, power_button, alarm_out, system_poweron);
 
 	if (old_power == false && new_power) {