--- nono/vm/mfp.h	2026/04/29 17:05:33	1.1.1.16
+++ nono/vm/mfp.h	2026/04/29 17:05:38	1.1.1.17
@@ -91,9 +91,11 @@ struct MFP
 	ir16 isr;
 	ir16 imr;
 
-	//
-	//     | b7  | b6  | b5  | b4  | b3  | b2  | b1  | b0  |
+	//       b7    b6    b5    b4    b3    b2    b1    b0
+	//     +-----+-----+-----+-----+-----+-----+-----+-----+
 	// VR  | V7  | V6  | V5  | V4  |  S  | --- | --- | --- |
+	//     +-----+-----+-----+-----+-----+-----+-----+-----+
+	//        |     |     |     |     |
 	//        |     |     |     |     +------------ In-Service Register Enable
 	//        +-----+-----+-----+------------------ Vector Number
 	uint8 vr_vec;		// ベクタの上位4ビット
@@ -130,8 +132,11 @@ struct MFP
 
 	uint8 scr;
 
-	//     | b7  | b6  | b5  | b4  | b3  | b2  | b1  | b0  |
+	//       b7    b6    b5    b4    b3    b2    b1    b0
+	//     +-----+-----+-----+-----+-----+-----+-----+-----+
 	// UCR | CLK |    WL     |    ST     | PE  | E/O | --- |
+	//     +-----+-----+-----+-----+-----+-----+-----+-----+
+	//        |        |           |        |     |
 	//        |        |           |        |     +--------- %1で偶数パリティ
 	//        |        |           |        +--------------- %1でパリティエラー
 	//        |        |           +------------------- スタート/ストップビット
@@ -148,8 +153,11 @@ struct MFP
 	static const uint32 UCR_EO  = 0x02;
 	uint8 ucr;
 
-	//     | b7  | b6  | b5  | b4  | b3  | b2  | b1  | b0  |
+	//       b7    b6    b5    b4    b3    b2    b1    b0
+	//     +-----+-----+-----+-----+-----+-----+-----+-----+
 	// RSR | BF  | OE  | PE  | FE  |  B  | CIP | SS  | RE  |
+	//     +-----+-----+-----+-----+-----+-----+-----+-----+
+	//        |     |     |     |     |     |     |     |
 	//        |     |     |     |     |     |     |     +--- %1 RX Enable
 	//        |     |     |     |     |     |     +--------- Sync Stop
 	//        |     |     |     |     |     +--------------- 非同期なら
@@ -170,8 +178,11 @@ struct MFP
 	static const uint32 RSR_RE  = 0x01;
 	uint8 rsr;
 
-	//     | b7  | b6  | b5  | b4  | b3  | b2  | b1  | b0  |
+	//       b7    b6    b5    b4    b3    b2    b1    b0
+	//     +-----+-----+-----+-----+-----+-----+-----+-----+
 	// TSR | BE  | UE  | AT  | END |  B  |  H  |  L  | TE  |
+	//     +-----+-----+-----+-----+-----+-----+-----+-----+
+	//        |     |           |                       |
 	//        |     |           |                       +--- %1 TX Enable
 	//        |     |           +--------------------------- %1 TX Disabled
 	//        |     +--------------------------------------- %1 Underrun Error