--- nono/vm/kbc.cpp	2026/04/29 17:05:25	1.1.1.2
+++ nono/vm/kbc.cpp	2026/04/29 17:05:29	1.1.1.3
@@ -25,12 +25,11 @@ KBCDevice::~KBCDevice()
 }
 
 busdata
-KBCDevice::Read8(uint32 addr)
+KBCDevice::ReadPort(uint32 offset)
 {
 	busdata data;
 
-	// XXX 折り返しは不明
-	switch (addr & 7) {
+	switch (offset) {
 	 case KEYDATA:
 		data = 0;
 		break;
@@ -68,19 +67,26 @@ KBCDevice::Read8(uint32 addr)
 		break;
 	}
 
+	data |= BusData::Size1;
 	return data;
 }
 
 busdata
-KBCDevice::Write8(uint32 addr, uint32 data)
+KBCDevice::WritePort(uint32 offset, uint32 data)
 {
 	// とりあえず全無視
-	return 0;
+	return BusData::Size1;
 }
 
 busdata
-KBCDevice::Peek8(uint32 addr)
+KBCDevice::PeekPort(uint32 offset)
 {
 	// XXX 未実装
 	return 0xff;
 }
+
+bool
+KBCDevice::PokePort(uint32 offset, uint32 data)
+{
+	return false;
+}