--- nono/vm/newsctlr.cpp	2026/04/29 17:05:21	1.1.1.2
+++ nono/vm/newsctlr.cpp	2026/04/29 17:05:25	1.1.1.3
@@ -94,6 +94,7 @@ NewsCtlrDevice::ResetHard(bool poweron)
 	// たぶん止まるだろう。知らんけど。
 	timer_intr = false;
 	timer_enable = false;
+	ChangeInterrupt();
 
 	// たぶん消すだろう。知らんけど。
 	led = 0;
@@ -104,39 +105,36 @@ NewsCtlrDevice::ResetHard(bool poweron)
 	}
 }
 
-uint64
+busdata
 NewsCtlrDevice::Read8(uint32 addr)
 {
-	uint64 data = -1;
-
 	addr |= 0xc0000000;
 
 	if ((addr >> 16) == 0xe1c0) {
 		uint idx = (addr >> 8) & 3;
+		uint32 data;
 		switch (idx) {
 		 case 0:		// e1c0'00xx
 			data = GetIDROM(addr);
-			putlog(2, "$%08x.B (IDROM) -> $%02x", addr, (uint32)data);
+			putlog(2, "$%08x.B (IDROM) -> $%02x", addr, data);
 			break;
 		 case 2:		// e1c0'02xx
 			// 割り込みステータス
 			data = interrupt->PeekStatus();
-			putlog(1, "$%08x.B (IntStat) -> $%02x", addr, (uint32)data);
+			putlog(1, "$%08x.B (IntStat) -> $%02x", addr, data);
 			break;
 		 default:		// e1c0'01xx
 			// DIP-SW
 			data = GetDIPSW();
-			putlog(1, "$%08x.B (DIPSW) -> $%02x", addr, (uint32)data);
+			putlog(1, "$%08x.B (DIPSW) -> $%02x", addr, data);
 			break;
 		}
 		return data;
 	}
-
 	VMPANIC("Read8($%08x)", addr);
-	return data;
 }
 
-uint64
+busdata
 NewsCtlrDevice::Write8(uint32 addr, uint32 data)
 {
 	addr |= 0xc0000000;
@@ -191,10 +189,9 @@ NewsCtlrDevice::Write8(uint32 addr, uint
 	}
 
 	VMPANIC("Write8($%08x) <- $%02x", addr, data);
-	return (uint64)-1;
 }
 
-uint64
+busdata
 NewsCtlrDevice::Peek8(uint32 addr)
 {
 	addr |= 0xc0000000;
@@ -211,7 +208,47 @@ NewsCtlrDevice::Peek8(uint32 addr)
 		}
 	}
 
-	return (uint64)-1;
+	return busdata::BusErr;
+}
+
+// NewsIO の下請けとして呼ばれる。
+void
+NewsCtlrDevice::MonitorUpdateNewsCtlr(TextScreen& screen, int y)
+{
+	// テーブル方式ではないので、Read/Write と手動で揃える…。
+
+	uint32 addr = 0xe100;
+	for (int i = 0; i < 32; i++) {
+		screen.Print(0, y, "$%04x'0000:", addr);
+
+		const char *name = NULL;
+		TA attr;
+		for (int j = 0; j < 8; j++) {
+			switch (addr) {
+			 case 0xe100:	name = "Timer";		break;
+			 case 0xe108:	name = "ParEn?";	break;
+			 case 0xe118:	name = "Lv2Int?";	break;
+			 case 0xe128:	name = "ASTDis?";	break;
+			 case 0xe130:	name = "L2CE?";		break;
+			 case 0xe138:	name = "Power";		break;
+			 case 0xe190:	name = "L2CD?";		break;
+			 case 0xe1a0:	name = "ParDis?";	break;
+			 case 0xe1c0:	name = "Misc";		break;
+			 default:
+				name = NULL;
+				break;
+			}
+			if (name) {
+				attr = TA::Normal;
+			} else {
+				name = "NopIO";
+				attr = TA::Disable;
+			}
+			screen.Puts(12 + j * 8, y, attr, name);
+			addr++;
+		}
+		y++;
+	}
 }
 
 // IDROM の値を返す。この関数は副作用を起こしてはいけない。