--- nono/vm/fdc.cpp	2026/04/29 17:04:44	1.1.1.6
+++ nono/vm/fdc.cpp	2026/04/29 17:04:50	1.1.1.7
@@ -37,11 +37,11 @@ FDCDevice::ResetHard()
 }
 
 uint64
-FDCDevice::Read(uint32 addr)
+FDCDevice::Read(uint32 offset)
 {
 	gMPU->AddCycle(19);	// InsideOut p.135
 
-	switch (addr) {
+	switch (offset) {
 	 case 0:
 		return ReadStatus();
 	 case 1:
@@ -55,11 +55,11 @@ FDCDevice::Read(uint32 addr)
 }
 
 uint64
-FDCDevice::Write(uint32 addr, uint32 data)
+FDCDevice::Write(uint32 offset, uint32 data)
 {
 	gMPU->AddCycle(19);	// InsideOut p.135
 
-	switch (addr) {
+	switch (offset) {
 	 case 0:
 		return 0;
 
@@ -77,7 +77,8 @@ FDCDevice::Write(uint32 addr, uint32 dat
 				(fdc.drivesel & 8) ? " #3" : "");
 		}
 		if ((data & 0xe0) != 0) {
-			putlog(0, "未実装ビット書き込み $%06x <- $%02x", addr, data);
+			putlog(0, "未実装ビット書き込み $%06x <- $%02x",
+				gMPU->GetPaddr(), data);
 		}
 		return 0;
 
@@ -99,7 +100,7 @@ FDCDevice::Write(uint32 addr, uint32 dat
 }
 
 uint64
-FDCDevice::Peek(uint32 addr)
+FDCDevice::Peek(uint32 offset)
 {
 	// XXX 未実装
 	return 0xff;