--- nono/vm/dmac.h	2026/04/29 17:04:35	1.1.1.3
+++ nono/vm/dmac.h	2026/04/29 17:04:38	1.1.1.4
@@ -178,7 +178,7 @@ class DMACDevice
 	DMACDevice();
 	~DMACDevice() override;
 
-	bool MonitorUpdate() override;
+	void MonitorUpdate(TextScreen&) override;
 
 	// 転送
 	void AbortTransfer(DMAC::Channel *chan);
@@ -194,7 +194,8 @@ class DMACDevice
 	uint64 Peek(uint32 addr);
 
  private:
-	void MonitorReg4(int x, int y, uint32 reg, const char * const *names);
+	void MonitorReg4(TextScreen&,
+		int x, int y, uint32 reg, const char * const *names);
 
 	struct DMAC dmac {};
 	Event event[4] {};