--- nono/vm/printer.cpp	2026/04/29 17:04:28	1.1
+++ nono/vm/printer.cpp	2026/04/29 17:05:29	1.1.1.10
@@ -1,62 +1,73 @@
 //
 // nono
-// Copyright (C) 2017 isaki@NetBSD.org
+// Copyright (C) 2020 nono project
+// Licensed under nono-license.txt
+//
+
+//
+// プリンタポート
 //
 
 #include "printer.h"
+#include "event.h"
+
+// InsideOut p.135
+static const busdata wait = busdata::Wait(7 * 40_nsec);
 
+// コンストラクタ
 PrinterDevice::PrinterDevice()
+	: inherited(OBJ_PRINTER)
 {
-	logname = "printer";
-	devname = "Printer";
-	devaddr = baseaddr;
-	devlen  = 0x2000;
 }
 
+// デストラクタ
 PrinterDevice::~PrinterDevice()
 {
 }
 
-uint64
-PrinterDevice::Read8(uint32 addr)
+busdata
+PrinterDevice::ReadPort(uint32 offset)
 {
 	// 書き込み専用
-	return (uint64)-1;
+	busdata data = BusData::BusErr;
+	data |= wait;
+	return data;
 }
 
-uint64
-PrinterDevice::Read16(uint32 addr)
+busdata
+PrinterDevice::WritePort(uint32 offset, uint32 data)
 {
-	// 書き込み専用
-	return (uint64)-1;
-}
+	busdata r;
 
-uint64
-PrinterDevice::Write8(uint32 addr, uint32 data)
-{
-	uint32 offset = addr - baseaddr;
 	switch (offset) {
 	 case 0:
-		putlog(0, "未実装データ書き込み");
+		// データ書き込み
+		putlog(0, "Write Data (NOT IMPLEMENTED)");
+		r.SetBusErr();
+		break;
+	 case 1:
+		// ストローブ書き込み
+		putlog(0, "Write Strobe (NOT IMPLEMENTED)");
+		r = 0;
 		break;
-	 case 3:
-		putlog(0, "未実装ストローブ書き込み");
-		return 0;
 	 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;
+}