--- nono/hd64180/hd647180.h	2026/04/29 17:05:18	1.1
+++ nono/hd64180/hd647180.h	2026/04/29 17:05:47	1.1.1.2
@@ -40,6 +40,7 @@ class HD647180
 	static const int IntmapMAX		= 15;	// 最後+1
 
 	static constexpr int IntmapTimer(int ch) { return IntmapTimer0 + ch; }
+	static constexpr int IntmapASCI(int ch) { return IntmapASCI0 + ch; }
 
 	// 内蔵 I/O ポート
 	static const uint32 IO_CNTLA0	= 0x00;	// ASCI Control Register A Channel0
@@ -50,8 +51,8 @@ class HD647180
 	static const uint32 IO_STAT1	= 0x05;	// ASCI Status Register Channel1
 	static const uint32 IO_TDR0		= 0x06;	// ASCI Transmit Data Register Ch0
 	static const uint32 IO_TDR1		= 0x07;	// ASCI Transmit Data Register Ch1
-	static const uint32 IO_TSR0		= 0x08;	// ASCI Receive Data Register Ch0
-	static const uint32 IO_TSR1		= 0x09;	// ASCI Receive Data Register Ch1
+	static const uint32 IO_RDR0		= 0x08;	// ASCI Receive Data Register Ch0
+	static const uint32 IO_RDR1		= 0x09;	// ASCI Receive Data Register Ch1
 
 	static const uint32 IO_CNTR		= 0x0a;	// CSI/O Control Register
 	static const uint32 IO_TRDR		= 0x0b;	// CSI/O Transmit/Receive Data Reg.