--- nono/vm/bt454.cpp	2026/04/29 17:04:52	1.1.1.5
+++ nono/vm/bt454.cpp	2026/04/29 17:04:55	1.1.1.6
@@ -5,7 +5,7 @@
 //
 
 #include "bt454.h"
-#include "bitmap.h"
+#include "lunafb.h"
 #include "renderer.h"
 
 // 仕様書には $c100_0000 と書いてあるが、PROM も NetBSD カーネルも
@@ -20,9 +20,8 @@
 std::unique_ptr<BT454Device> gBT454;
 
 BT454Device::BT454Device()
+	: inherited("BT454")
 {
-	logname = "bt454";
-	devname = "BT454";
 	devaddr = 0xc1000000;
 }
 
@@ -33,7 +32,7 @@ BT454Device::~BT454Device()
 bool
 BT454Device::Init()
 {
-	nplane = gBitmap->GetPlaneCount();
+	nplane = gLunafb->GetPlaneCount();
 	return true;
 }