--- np2/sound/rhythmc.c	2003/10/16 17:58:05	1.1.1.1
+++ np2/sound/rhythmc.c	2004/02/18 18:29:29	1.7
@@ -2,6 +2,7 @@
 #include	<math.h>
 #include	"wavefile.h"
 #include	"dosio.h"
+#include	"pccore.h"
 #include	"sound.h"
 #include	"rhythm.h"
 
@@ -22,6 +23,7 @@ static const char *rhythmfile[RHYTHM_MAX
 
 static BOOL pcmload(RHYTHMPCM *pcm, const char *fname, UINT rate) {
 
+	char		path[MAX_PATH];
 	FILEH		fh;
 	RIFF_HEADER	riff;
 	BOOL		head;
@@ -35,7 +37,8 @@ static BOOL pcmload(RHYTHMPCM *pcm, cons
 	UINT		pos;
 	BYTE		work[256];
 
-	fh = file_open_c(fname);
+	getbiospath(path, fname, sizeof(path));
+	fh = file_open_rb(path);
 	if (fh == FILEH_INVALID) {
 		goto pld_err1;
 	}
@@ -79,6 +82,9 @@ static BOOL pcmload(RHYTHMPCM *pcm, cons
 		goto pld_err2;
 	}
 	step = 44100 / rate;
+	if (step == 0) {
+		goto pld_err2;
+	}
 	samples = size / 2 / step;
 	if (samples == 0) {
 		goto pld_err2;
@@ -166,10 +172,10 @@ void rhythm_update(RHYTHM rhy) {
 	} while(++r < rterm);
 }
 
-void rhythm_setreg(RHYTHM rhy, BYTE reg, BYTE value) {
+void rhythm_setreg(RHYTHM rhy, REG8 reg, REG8 value) {
 
 	RHYTHMCH	*r;
-	BYTE		bit;
+	REG8		bit;
 	int			i;
 
 	if (reg == 0x10) {
@@ -191,7 +197,7 @@ void rhythm_setreg(RHYTHM rhy, BYTE reg,
 			r++;
 		}
 	}
-	else if (reg == 0x11) {										// ver0.28
+	else if (reg == 0x11) {
 		sound_sync();
 		rhy->vol = (~value) & 0x3f;
 		rhythm_update(rhy);