--- nono/vm/adpcm.h	2026/04/29 17:05:25	1.1.1.3
+++ nono/vm/adpcm.h	2026/04/29 17:05:29	1.1.1.4
@@ -20,7 +20,7 @@ class ADPCMDevice : public IODevice
 {
 	using inherited = IODevice;
 
-	static const int baseaddr = 0xe92000;
+	static const uint32 baseaddr = 0xe92000;
 
 	static const uint8 STAT_PLAY	= 0x80;
 
@@ -45,9 +45,10 @@ class ADPCMDevice : public IODevice
  protected:
 	// BusIO インタフェース
 	static const uint32 NPORT = 2;
-	busdata Read(uint32 offset);
-	busdata Write(uint32 offset, uint32 data);
-	busdata Peek(uint32 offset);
+	busdata ReadPort(uint32 offset);
+	busdata WritePort(uint32 offset, uint32 data);
+	busdata PeekPort(uint32 offset);
+	bool PokePort(uint32 offset, uint32 data);
 
  private:
 	void StartPlay();