--- nono/vm/interrupt.h	2026/04/29 17:05:17	1.1.1.5
+++ nono/vm/interrupt.h	2026/04/29 17:05:20	1.1.1.6
@@ -12,6 +12,7 @@
 
 #include "device.h"
 #include "monitor.h"
+#include <array>
 
 // XP からの割り込み用。
 // これだけ1デバイスで2本あるので、仕方なく識別子を用意。
@@ -24,6 +25,7 @@ class MFPDevice;
 class NewsCtlrDevice;
 class NMIDevice;
 class PEDECDevice;
+class RTL8019ASDevice;
 class SCCDevice;
 class SIODevice;
 class SPCDevice;
@@ -68,6 +70,9 @@ class InterruptDevice : public IODevice
 	// MPU からの割り込みアクノリッジに応答する
 	virtual int InterruptAcknowledge(int lv) = 0;
 
+	// 割り込み信号線の状態を取得する
+	bool GetINT(const Device *source) const;
+
  protected:
 	// 割り込みを上位デバイス(MPUなど)に伝達する。
 	// 子デバイスが割り込み信号線の状態を変えたときに呼び出される。
@@ -107,7 +112,7 @@ class InterruptDevice : public IODevice
 	static const uint32 IntmapSentinel = 0x00000001;
 
 	// デバイスから Intmap 値を引く。
-	virtual uint32 GetIntmap(Device *source) const = 0;
+	virtual uint32 GetIntmap(const Device *source) const = 0;
 
 	// 割り込みマップ
 	uint32 intmap {};
@@ -162,6 +167,8 @@ class X68030Interrupt : public M680x0Int
 	static const uint32 IntmapNMI		= 0x80000000;
 	static const uint32 IntmapMFP		= 0x08000000;
 	static const uint32 IntmapSCC		= 0x00800000;
+	static const uint32 IntmapNereid0	= 0x00080000;
+	static const uint32 IntmapNereid1	= 0x00040000;
 	static const uint32 IntmapDMAC		= 0x00008000;
 	static const uint32 IntmapPEDEC		= 0x00000080;
 
@@ -173,7 +180,7 @@ class X68030Interrupt : public M680x0Int
 	int InterruptAcknowledge(int lv) override;
 
  private:
-	uint32 GetIntmap(Device *soruce) const override;
+	uint32 GetIntmap(const Device *soruce) const override;
 
 	DECLARE_MONITOR_CALLBACK(MonitorUpdate);
 
@@ -181,6 +188,7 @@ class X68030Interrupt : public M680x0Int
 	MFPDevice *mfp {};
 	NMIDevice *nmi {};
 	PEDECDevice *pedec {};
+	std::array<RTL8019ASDevice *, 2> net {};
 	SCCDevice *scc {};
 
 	Monitor monitor { this };
@@ -218,7 +226,7 @@ class LunaInterrupt : public M680x0Inter
 	int InterruptAcknowledge(int lv) override;
 
  private:
-	uint32 GetIntmap(Device *source) const override;
+	uint32 GetIntmap(const Device *source) const override;
 
 	DECLARE_MONITOR_CALLBACK(MonitorUpdate);
 
@@ -264,7 +272,7 @@ class NewsInterrupt : public M680x0Inter
 	uint8 PeekStatus() const;
 
  private:
-	uint32 GetIntmap(Device *source) const override;
+	uint32 GetIntmap(const Device *source) const override;
 
 	DECLARE_MONITOR_CALLBACK(MonitorUpdate);