--- nono/vm/romimg_x68k.h	2026/04/29 17:04:36	1.1.1.2
+++ nono/vm/romimg_x68k.h	2026/04/29 17:05:10	1.1.1.8
@@ -4,39 +4,68 @@
 // Licensed under nono-license.txt
 //
 
+//
+// X680x0 の各種 ROM
+//
+
 #pragma once
 
 #include "rom.h"
 
-class IPLROM1Device
-	: public ROMDevice
+class IPLROM1Device;
+
+class IPLROM0Device : public IODevice
+{
+	using inherited = IODevice;
+ public:
+	IPLROM0Device();
+	virtual ~IPLROM0Device() override;
+
+	bool Init() override;
+	void ResetHard(bool poweron) override;
+
+	uint64 Read8(uint32 addr) override;
+	uint64 Read16(uint32 addr) override;
+	uint64 Read32(uint32 addr) override;
+	uint64 Peek8(uint32 addr) override;
+
+ private:
+	uint32 ReadDecoder(uint32 addr);
+
+	IPLROM1Device *iplrom1 {};
+};
+
+class IPLROM1Device : public ROMDevice
 {
 	using inherited = ROMDevice;
  public:
 	IPLROM1Device();
-	~IPLROM1Device() override;
+	virtual ~IPLROM1Device() override;
 
 	bool Init() override;
 };
 
-class IPLROM2Device
-	: public ROMDevice
+class IPLROM2Device : public ROMDevice
 {
 	using inherited = ROMDevice;
  public:
 	IPLROM2Device();
-	~IPLROM2Device() override;
+	virtual ~IPLROM2Device() override;
 
 	bool Init() override;
 };
 
-class CGROMDevice
-	: public ROMDevice
+class CGROMDevice : public ROMDevice
 {
 	using inherited = ROMDevice;
  public:
 	CGROMDevice();
-	~CGROMDevice() override;
+	virtual ~CGROMDevice() override;
 
 	bool Init() override;
 };
+
+extern CGROMDevice *gCGROM;
+extern IPLROM0Device *gIPLROM0;
+extern IPLROM1Device *gIPLROM1;
+extern IPLROM2Device *gIPLROM2;