--- nono/vm/romimg_x68k.h	2026/04/29 17:04:55	1.1.1.6
+++ nono/vm/romimg_x68k.h	2026/04/29 17:04:59	1.1.1.7
@@ -10,9 +10,9 @@
 
 class IPLROM1Device;
 
-class IPLROM0Device : public ROMDevice
+class IPLROM0Device : public IODevice
 {
-	using inherited = ROMDevice;
+	using inherited = IODevice;
  public:
 	IPLROM0Device();
 	virtual ~IPLROM0Device() override;
@@ -26,6 +26,8 @@ class IPLROM0Device : public ROMDevice
 	uint64 Peek8(uint32 addr) override;
 
  private:
+	uint32 ReadDecoder(uint32 addr);
+
 	IPLROM1Device *iplrom1 {};
 };