--- nono/debugger/debugger.cpp	2026/04/29 17:05:16	1.1.1.13
+++ nono/debugger/debugger.cpp	2026/04/29 17:05:20	1.1.1.14
@@ -92,7 +92,8 @@ Debugger::~Debugger()
 	Close();
 
 	if ((bool)hostcom) {
-		hostcom->SetCallbackDevice(NULL);
+		hostcom->SetRxCallback(NULL);
+		hostcom->SetAcceptCallback(NULL);
 	}
 
 	TerminateThread();
@@ -102,15 +103,13 @@ bool
 Debugger::Create()
 {
 	// ホストドライバを作成
-	try {
-		hostcom.reset(new HostCOMDevice("Debugger"));
-	} catch (...) {
+	hostcom.reset(new HostCOMDevice(this, "Debugger"));
+	if ((bool)hostcom == false) {
 		return false;
 	}
 
 	hostcom->SetRxCallback(ToDeviceCallback(&Debugger::RxCallback));
 	hostcom->SetAcceptCallback(ToDeviceCallback(&Debugger::AcceptCallback));
-	hostcom->SetCallbackDevice(this);
 
 	return true;
 }
@@ -460,7 +459,7 @@ Debugger::Input(int c)
 				LeavePrompt(false);
 				UIMessage::Post(UIMessage::APPEXIT);
 			}
-		} else if (c < ' ') {
+		} else if (c < ' ' || c == 0x07f) {
 			// 他のコントロールコードはとりあえず無視
 		} else {
 			// 通常文字なら、エコーバックして追加
@@ -2711,7 +2710,10 @@ Debugger::ShowTextScreen(TextScreen& mon
 					*d++ = '[';
 					*d++ = 'm';
 					break;
-				 case TA::On:
+				 case TA::Reverse:
+				 case TA::ReverseRed:
+				 case TA::ReverseGreen:
+				 case TA::ReverseOrange:
 					*d++ = 0x1b;
 					*d++ = '[';
 					*d++ = '7';