--- nono/vm/sysport.h	2026/04/29 17:04:53	1.1.1.7
+++ nono/vm/sysport.h	2026/04/29 17:05:18	1.1.1.11
@@ -4,10 +4,22 @@
 // Licensed under nono-license.txt
 //
 
+//
+// システムポート
+//
+
 #pragma once
 
 #include "device.h"
 
+class CGROMDevice;
+class IPLROM1Device;
+class Keyboard;
+class MainRAMDevice;
+class NMIDevice;
+class ROMDevice;
+class SRAMDevice;
+
 struct SYSPORT
 {
 	static const int CONTRAST	= 0;	// $E8E001
@@ -23,20 +35,21 @@ struct SYSPORT
 	int rom_wait;	// 設定値。ウェイトにする時には +2 する
 	int ram_wait;	// 設定値。
 	bool key_ctrl;
+	uint pwoff_count;
 };
 
-class SysportDevice
-	: public IODevice
+class SysportDevice : public IODevice
 {
 	using inherited = IODevice;
- private:
+
 	static const uint32 baseaddr = 0xe8e000;
 
  public:
 	SysportDevice();
 	virtual ~SysportDevice() override;
 
-	void ResetHard() override;
+	bool Init() override;
+	void ResetHard(bool poweron) override;
 
 	// KEYCTRL の状態を取得する
 	bool GetKeyCtrl() const {
@@ -52,6 +65,16 @@ class SysportDevice
 
  private:
 	struct SYSPORT sysport {};
+
+	CGROMDevice *cgrom {};
+	IPLROM1Device *iplrom1 {};
+	ROMDevice *iplrom2 {};
+	Keyboard *keyboard {};
+	MainRAMDevice *mainram {};
+	NMIDevice *nmi {};
+	SRAMDevice *sram {};
 };
 
-extern std::unique_ptr<SysportDevice> gSysport;
+static inline SysportDevice *GetSysportDevice() {
+	return Object::GetObject<SysportDevice>(OBJ_SYSPORT);
+}