--- nono/vm/printer.cpp	2026/04/29 17:05:18	1.1.1.8
+++ nono/vm/printer.cpp	2026/04/29 17:05:51	1.1.1.11
@@ -9,7 +9,11 @@
 //
 
 #include "printer.h"
-#include "mpu.h"
+#include "event.h"
+
+// InsideOut p.135
+/*static*/ const busdata
+PrinterDevice::wait = busdata::Wait(7 * 40_nsec);
 
 // コンストラクタ
 PrinterDevice::PrinterDevice()
@@ -22,52 +26,49 @@ PrinterDevice::~PrinterDevice()
 {
 }
 
-uint64
-PrinterDevice::Read8(uint32 addr)
-{
-	// 書き込み専用
-	mpu->AddCycle(7);	// InsideOut p.135
-	return (uint64)-1;
-}
-
-uint64
-PrinterDevice::Read16(uint32 addr)
+busdata
+PrinterDevice::ReadPort(uint32 offset)
 {
 	// 書き込み専用
-	mpu->AddCycle(7);	// InsideOut p.135
-	return (uint64)-1;
+	busdata data = BusData::BusErr;
+	data |= wait;
+	return data;
 }
 
-uint64
-PrinterDevice::Write8(uint32 addr, uint32 data)
+busdata
+PrinterDevice::WritePort(uint32 offset, uint32 data)
 {
-	mpu->AddCycle(7);	// InsideOut p.135
+	busdata r;
 
-	uint32 offset = addr - baseaddr;
 	switch (offset) {
 	 case 0:
 		// データ書き込み
 		putlog(0, "Write Data (NOT IMPLEMENTED)");
+		r.SetBusErr();
 		break;
-	 case 3:
+	 case 1:
 		// ストローブ書き込み
 		putlog(0, "Write Strobe (NOT IMPLEMENTED)");
-		return 0;
+		r = 0;
+		break;
 	 default:
 		break;
 	}
-	return (uint64)-1;
-}
 
-uint64
-PrinterDevice::Write16(uint32 addr, uint32 data)
-{
-	return Write8(addr + 1, data);
+	r |= wait;
+	r |= BusData::Size1;
+	return r;
 }
 
-uint64
-PrinterDevice::Peek8(uint32 addr)
+busdata
+PrinterDevice::PeekPort(uint32 offset)
 {
 	// XXX
 	return 0xff;
 }
+
+bool
+PrinterDevice::PokePort(uint32 offset, uint32 data)
+{
+	return false;
+}