--- nono/vm/newsio.cpp	2026/04/29 17:05:25	1.1.1.2
+++ nono/vm/newsio.cpp	2026/04/29 17:05:29	1.1.1.3
@@ -45,7 +45,7 @@
 NewsIODevice::NewsIODevice()
 	: inherited(OBJ_NEWSIO)
 {
-	NEWDV(KBC, new KBCDevice());
+	NEWDV(KBC, new BusIO_B<KBCDevice>());
 	NEWDV(RTC, new BusIO_B<MK48T02Device>());
 	NEWDV(SCC, new BusIO_B<SCCDevice>());
 	NEWDV(Lance, new BusIO_W<LanceDevice>());
@@ -131,59 +131,31 @@ NewsIODevice::SearchDevice(uint32 addr)
 }
 
 busdata
-NewsIODevice::Read8(uint32 addr)
+NewsIODevice::Read(busaddr addr)
 {
-	IODevice *d = SearchDevice(addr);
-	return d->Read8(addr);
-}
-
-busdata
-NewsIODevice::Read16(uint32 addr)
-{
-	IODevice *d = SearchDevice(addr);
-	return d->Read16(addr);
-}
-
-busdata
-NewsIODevice::Read32(uint32 addr)
-{
-	IODevice *d = SearchDevice(addr);
-	return d->Read32(addr);
+	IODevice *d = SearchDevice(addr.Addr());
+	return d->Read(addr);
 }
 
 busdata
-NewsIODevice::Write8(uint32 addr, uint32 data)
+NewsIODevice::Write(busaddr addr, uint32 data)
 {
-	IODevice *d = SearchDevice(addr);
-	return d->Write8(addr, data);
-}
-
-busdata
-NewsIODevice::Write16(uint32 addr, uint32 data)
-{
-	IODevice *d = SearchDevice(addr);
-	return d->Write16(addr, data);
-}
-
-busdata
-NewsIODevice::Write32(uint32 addr, uint32 data)
-{
-	IODevice *d = SearchDevice(addr);
-	return d->Write32(addr, data);
+	IODevice *d = SearchDevice(addr.Addr());
+	return d->Write(addr, data);
 }
 
 busdata
-NewsIODevice::Peek8(uint32 addr)
+NewsIODevice::Peek1(uint32 addr)
 {
 	IODevice *d = SearchDevice(addr);
-	return d->Peek8(addr);
+	return d->Peek1(addr);
 }
 
 bool
-NewsIODevice::Poke8(uint32 addr, uint32 data)
+NewsIODevice::Poke1(uint32 addr, uint32 data)
 {
 	IODevice *d = SearchDevice(addr);
-	return d->Poke8(addr, data);
+	return d->Poke1(addr, data);
 }
 
 // モニタを初期化。