--- nono/vm/sysport.h	2026/04/29 17:04:28	1.1.1.1
+++ nono/vm/sysport.h	2026/04/29 17:05:18	1.1.1.11
@@ -1,12 +1,25 @@
 //
 // nono
-// Copyright (C) 2017 isaki@NetBSD.org
+// Copyright (C) 2020 nono project
+// 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
@@ -20,26 +33,48 @@ struct SYSPORT
 
 	int contrast;
 	int rom_wait;	// 設定値。ウェイトにする時には +2 する
-	int ram_wait;
+	int ram_wait;	// 設定値。
+	bool key_ctrl;
+	uint pwoff_count;
 };
 
-class SysportDevice
-	: public IODevice
+class SysportDevice : public IODevice
 {
-	typedef IODevice inherited;
- private:
+	using inherited = IODevice;
+
 	static const uint32 baseaddr = 0xe8e000;
 
  public:
 	SysportDevice();
-	virtual ~SysportDevice();
+	virtual ~SysportDevice() override;
+
+	bool Init() override;
+	void ResetHard(bool poweron) override;
 
-	virtual uint64 Read8(uint32 addr);
-	virtual uint64 Read16(uint32 addr);
-	virtual uint64 Write8(uint32 addr, uint32 data);
-	virtual uint64 Write16(uint32 addr, uint32 data);
-	virtual uint64 Peek8(uint32 addr);
+	// KEYCTRL の状態を取得する
+	bool GetKeyCtrl() const {
+		return sysport.key_ctrl;
+	}
+
+ protected:
+	// BusIO インタフェース
+	static const uint32 NPORT = 8;
+	uint64 Read(uint32 offset);
+	uint64 Write(uint32 offset, uint32 data);
+	uint64 Peek(uint32 offset);
 
  private:
 	struct SYSPORT sysport {};
+
+	CGROMDevice *cgrom {};
+	IPLROM1Device *iplrom1 {};
+	ROMDevice *iplrom2 {};
+	Keyboard *keyboard {};
+	MainRAMDevice *mainram {};
+	NMIDevice *nmi {};
+	SRAMDevice *sram {};
 };
+
+static inline SysportDevice *GetSysportDevice() {
+	return Object::GetObject<SysportDevice>(OBJ_SYSPORT);
+}