diff --git a/sys/arch/hpc/hpc/debug_subr.c b/sys/arch/hpc/hpc/debug_subr.c
index 1efccc1bbbc7..276e0e6bc642 100644
--- a/sys/arch/hpc/hpc/debug_subr.c
+++ b/sys/arch/hpc/hpc/debug_subr.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: debug_subr.c,v 1.3 2002/02/22 19:56:27 uch Exp $	*/
+/*	$NetBSD: debug_subr.c,v 1.4 2002/05/03 07:31:23 takemura Exp $	*/
 
 /*-
  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
@@ -50,7 +50,7 @@ static const char onoff[2] = "_x";
 
 void
 __dbg_bit_print(u_int32_t a, int len, int start, int end, char *title,
-    int count)
+    int flags)
 {
 	u_int32_t j, j1;
 	int i, n;
@@ -60,7 +60,8 @@ __dbg_bit_print(u_int32_t a, int len, int start, int end, char *title,
 	j1 = 1 << n;
 	end = end ? end : n;
 
-	printf(" ");
+	if (!(flags & DBG_BIT_PRINT_QUIET))
+		printf(" ");
 	if (title) {
 		printf("[%-16s] ", title);
 	}
@@ -73,10 +74,12 @@ __dbg_bit_print(u_int32_t a, int len, int start, int end, char *title,
 		}
 	}
 
-	snprintf(buf, sizeof buf, " [0x%%0%dx %%12d]", len << 1);
-	printf(buf, a, a);
+	if (!(flags & DBG_BIT_PRINT_QUIET)) {
+		snprintf(buf, sizeof buf, " [0x%%0%dx %%12d]", len << 1);
+		printf(buf, a, a);
+	}
 
-	if (count) {
+	if (flags & DBG_BIT_PRINT_COUNT) {
 		for (j = j1, i = n; j > 0; j >>=1, i--) {
 			if (!(i > end || i < start) && (a & j)) {
 				printf(" %d", i);
@@ -84,7 +87,8 @@ __dbg_bit_print(u_int32_t a, int len, int start, int end, char *title,
 		}
 	}
 
-	printf("\n");
+	if (!(flags & DBG_BIT_PRINT_QUIET))
+		printf("\n");
 }
 
 void
diff --git a/sys/arch/hpc/include/debug.h b/sys/arch/hpc/include/debug.h
index f4f9b3eb8ec5..9b4ea8b2d062 100644
--- a/sys/arch/hpc/include/debug.h
+++ b/sys/arch/hpc/include/debug.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: debug.h,v 1.3 2002/02/13 16:25:33 uch Exp $	*/
+/*	$NetBSD: debug.h,v 1.4 2002/05/03 07:31:24 takemura Exp $	*/
 
 /*-
  * Copyright (c) 1999-2002 The NetBSD Foundation, Inc.
@@ -103,9 +103,14 @@ int	DPRINTF_DEBUG = DPRINTF_LEVEL;
 /*
  * debug print utility
  */
-#define dbg_bit_print(a) __dbg_bit_print((a), sizeof(typeof(a)), 0, 0, 0, 1)
+#define DBG_BIT_PRINT_COUNT	(1 << 0)
+#define DBG_BIT_PRINT_QUIET	(1 << 1)
+#define dbg_bit_print(a)						\
+	__dbg_bit_print((a), sizeof(typeof(a)), 0, 0, 0, DBG_BIT_PRINT_COUNT)
 #define dbg_bit_print_msg(a, m)						\
-	__dbg_bit_print((a), sizeof(typeof(a)), 0, 0, (m), 1)
+	__dbg_bit_print((a), sizeof(typeof(a)), 0, 0, (m), DBG_BIT_PRINT_COUNT)
+#define dbg_bit_display(a)						\
+	__dbg_bit_print((a), sizeof(typeof(a)), 0, 0, 0, DBG_BIT_PRINT_QUIET)
 void __dbg_bit_print(u_int32_t, int, int, int, char *, int);
 void dbg_bitmask_print(u_int32_t, u_int32_t, const char *);
 void dbg_draw_line(int);
diff --git a/sys/arch/hpcmips/dev/it8368.c b/sys/arch/hpcmips/dev/it8368.c
index e33bfdd9232f..a9e5d0a66acc 100644
--- a/sys/arch/hpcmips/dev/it8368.c
+++ b/sys/arch/hpcmips/dev/it8368.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: it8368.c,v 1.12 2002/01/29 18:53:09 uch Exp $ */
+/*	$NetBSD: it8368.c,v 1.13 2002/05/03 07:31:24 takemura Exp $ */
 
 /*-
  * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@@ -745,9 +745,9 @@ it8368_chip_socket_disable(pcmcia_chipset_handle_t pch)
 
 #ifdef IT8368DEBUG
 #define PRINTGPIO(m) __dbg_bit_print(it8368_reg_read(csregt, csregh,		\
-	IT8368_GPIO##m##_REG), 0, IT8368_GPIO_MAX, #m, 1)
+	IT8368_GPIO##m##_REG), 0, IT8368_GPIO_MAX, #m, DBG_BIT_PRINT_COUNT)
 #define PRINTMFIO(m) __dbg_bit_print(it8368_reg_read(csregt, csregh,		\
-	IT8368_MFIO##m##_REG), 0, IT8368_MFIO_MAX, #m, 1)
+	IT8368_MFIO##m##_REG), 0, IT8368_MFIO_MAX, #m, DBG_BIT_PRINT_COUNT)
 void
 it8368_dump(struct it8368e_softc *sc)
 {
@@ -772,8 +772,8 @@ it8368_dump(struct it8368e_softc *sc)
 	PRINTMFIO(POSINTSTAT);
 	PRINTMFIO(NEGINTSTAT);
 	__dbg_bit_print(it8368_reg_read(csregt, csregh, IT8368_CTRL_REG), 0, 15,
-	    "CTRL", 1);
+	    "CTRL", DBG_BIT_PRINT_COUNT);
 	__dbg_bit_print(it8368_reg_read(csregt, csregh, IT8368_GPIODATAIN_REG),
-	    8, 11, "]CRDDET/SENSE[", 1);
+	    8, 11, "]CRDDET/SENSE[", DBG_BIT_PRINT_COUNT);
 }
 #endif /* IT8368DEBUG */
diff --git a/sys/arch/hpcmips/tx/tx39icu.c b/sys/arch/hpcmips/tx/tx39icu.c
index 4e9e8b9f9aed..079f07e8f479 100644
--- a/sys/arch/hpcmips/tx/tx39icu.c
+++ b/sys/arch/hpcmips/tx/tx39icu.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: tx39icu.c,v 1.16 2002/01/29 18:53:15 uch Exp $ */
+/*	$NetBSD: tx39icu.c,v 1.17 2002/05/03 07:31:25 takemura Exp $ */
 
 /*-
  * Copyright (c) 1999-2001 The NetBSD Foundation, Inc.
@@ -402,7 +402,7 @@ TX_INTR(u_int32_t status, u_int32_t cause, u_int32_t pc, u_int32_t ipending)
 			pend &= ~reg;
 			if (pend) {
 				printf("%d pending:", i);
-				__dbg_bit_print(pend, 0, 31, 0, 1);
+				dbg_bit_print(pend);
 			}
 #endif
 
@@ -761,13 +761,13 @@ tx39_intr_dump(struct tx39icu_softc *sc)
 			}
 		}
 		sprintf(msg, "%d high", i);
-		__dbg_bit_print(reg, sizeof(reg), 0, 0, msg, 1);
+		dbg_bit_print_msg(reg, msg);
 		sprintf(msg, "%d status", i);
-		__dbg_bit_print(sc->sc_regs[i], sizeof(reg), 0, 0, msg, 1);
+		dbg_bit_print_msg(sc->sc_regs[i], msg);
 		ofs = TX39_INTRENABLE_REG(i);
 		reg = tx_conf_read(tc, ofs);
 		sprintf(msg, "%d enable", i);
-		__dbg_bit_print(reg, sizeof(reg), 0, 0, msg, 1);
+		dbg_bit_print_msg(reg, msg);
 	}
 	reg = sc->sc_regs[0];
 	printf("<%s><%s> vector=%2d\t\t[6 status]\n",
@@ -775,6 +775,7 @@ tx39_intr_dump(struct tx39icu_softc *sc)
 	    reg & TX39_INTRSTATUS6_IRQLOW ? "LO" : "--",
 	    TX39_INTRSTATUS6_INTVECT(reg));
 	reg = tx_conf_read(tc, TX39_INTRENABLE6_REG);
-	__dbg_bit_print(reg, sizeof(reg), 0, 18, "6 enable", 1);
+	__dbg_bit_print(reg, sizeof(reg), 0, 18, "6 enable",
+	    DBG_BIT_PRINT_COUNT);
 
 }
diff --git a/sys/arch/hpcmips/vr/vrgiu.c b/sys/arch/hpcmips/vr/vrgiu.c
index 4c017740c671..60d678805bd2 100644
--- a/sys/arch/hpcmips/vr/vrgiu.c
+++ b/sys/arch/hpcmips/vr/vrgiu.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: vrgiu.c,v 1.34 2002/02/10 13:47:06 takemura Exp $	*/
+/*	$NetBSD: vrgiu.c,v 1.35 2002/05/03 07:31:25 takemura Exp $	*/
 /*-
  * Copyright (c) 1999-2001
  *         Shin Takemura and PocketBSD Project. All rights reserved.
@@ -363,8 +363,9 @@ void
 vrgiu_dump_io(struct vrgiu_softc *sc)
 {
 
-	dbg_bit_print(vrgiu_regread_4(sc, GIUPIOD_REG));
-	dbg_bit_print(vrgiu_regread_4(sc, GIUPODAT_REG));
+	dbg_bit_display(vrgiu_regread_4(sc, GIUPODAT_REG));
+	dbg_bit_display(vrgiu_regread_4(sc, GIUPIOD_REG));
+	printf("\n");
 }
 
 void
@@ -379,8 +380,9 @@ vrgiu_diff_io()
 
 	if (opreg[0] != preg[0] || opreg[1] != preg[1]) {
 		printf("giu data: ");
-		dbg_bit_print(preg[0]);
-		dbg_bit_print(preg[1]);
+		dbg_bit_display(preg[1]);
+		dbg_bit_display(preg[0]);
+		printf("\n");
 	}
 	opreg[0] = preg[0];
 	opreg[1] = preg[1];
diff --git a/sys/arch/hpcsh/dev/hd64461/hd64461video.c b/sys/arch/hpcsh/dev/hd64461/hd64461video.c
index a676fa60e661..23483e7ed048 100644
--- a/sys/arch/hpcsh/dev/hd64461/hd64461video.c
+++ b/sys/arch/hpcsh/dev/hd64461/hd64461video.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: hd64461video.c,v 1.10 2002/04/13 09:29:54 takemura Exp $	*/
+/*	$NetBSD: hd64461video.c,v 1.11 2002/05/03 07:31:25 takemura Exp $	*/
 
 /*-
  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
@@ -1225,7 +1225,7 @@ hd64461video_dump()
 	printf("---[Display Mode Setting]---\n");
 #define	DUMPREG(x)							\
 	r = hd64461_reg_read_2(HD64461_LCD ## x ## _REG16);		\
-	__dbg_bit_print(r, sizeof(u_int16_t), 0, 0, #x, 1)
+	__dbg_bit_print(r, sizeof(u_int16_t), 0, 0, #x, DBG_BIT_PRINT_COUNT)
 	DUMPREG(CBAR);
 	DUMPREG(CLOR);
 	DUMPREG(CCR);