--- np2/win9x/soundmng.cpp	2005/03/02 04:28:08	1.11
+++ np2/win9x/soundmng.cpp	2007/10/28 16:01:35	1.15
@@ -14,7 +14,13 @@
 #include	"mt32snd.h"
 #endif
 
+#if defined(_M_IA64) || defined(_M_AMD64)
+#define	SOUNDBUFFERALIGN	(1 << 3)
+#else
+#define	SOUNDBUFFERALIGN	(1 << 2)
+#endif
 
+#if !defined(_WIN64)
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -22,6 +28,7 @@ void __fastcall satuation_s16mmx(SINT16 
 #ifdef __cplusplus
 }
 #endif
+#endif
 
 
 #if 1
@@ -79,11 +86,13 @@ UINT soundmng_create(UINT rate, UINT ms)
 	UINT			samples;
 	DSBUFFERDESC	dsbdesc;
 	PCMWAVEFORMAT	pcmwf;
+	int				i;
 
 	if ((pDSound == NULL) ||
 		(rate != 11025) && (rate != 22050) && (rate != 44100)) {
 		goto stcre_err1;
 	}
+
 	if (ms < 40) {
 		ms = 40;
 	}
@@ -95,7 +104,7 @@ UINT soundmng_create(UINT rate, UINT ms)
 //	keydispr_delayinit((UINT8)((ms * 10 + 563) / 564));
 
 	samples = (rate * ms) / 2000;
-	samples = (samples + 3) & (~3);
+	samples = (samples + SOUNDBUFFERALIGN - 1) & (~(SOUNDBUFFERALIGN - 1));
 	dsstreambytes = samples * 2 * sizeof(SINT16);
 	soundmng_setreverse(FALSE);
 
@@ -107,14 +116,19 @@ UINT soundmng_create(UINT rate, UINT ms)
 	pcmwf.wf.nBlockAlign = 2 * sizeof(SINT16);
 	pcmwf.wf.nAvgBytesPerSec = rate * 2 * sizeof(SINT16);
 
-	ZeroMemory(&dsbdesc, sizeof(DSBUFFERDESC));
-	dsbdesc.dwSize = DSBUFFERDESC_SIZE;
-	dsbdesc.dwFlags = DSBCAPS_CTRLPAN | DSBCAPS_CTRLVOLUME |
+	for (i=0; i<2; i++) {
+		ZeroMemory(&dsbdesc, sizeof(DSBUFFERDESC));
+		dsbdesc.dwSize = i ? sizeof(dsbdesc) : DSBUFFERDESC_SIZE;
+		dsbdesc.dwFlags = DSBCAPS_CTRLPAN | DSBCAPS_CTRLVOLUME |
 						DSBCAPS_CTRLFREQUENCY |
 						DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2;
-	dsbdesc.lpwfxFormat = (LPWAVEFORMATEX)&pcmwf;
-	dsbdesc.dwBufferBytes = dsstreambytes * 2;
-	if (FAILED(pDSound->CreateSoundBuffer(&dsbdesc, &pDSData3, NULL))) {
+		dsbdesc.lpwfxFormat = (LPWAVEFORMATEX)&pcmwf;
+		dsbdesc.dwBufferBytes = dsstreambytes * 2;
+		if (SUCCEEDED(pDSound->CreateSoundBuffer(&dsbdesc, &pDSData3, NULL))) {
+			break;
+		}
+	}
+	if (i >= 2) {
 		goto stcre_err2;
 	}
 
@@ -122,11 +136,12 @@ UINT soundmng_create(UINT rate, UINT ms)
 	vermouth_module = midimod_create(rate);
 	midimod_loadall(vermouth_module);
 #endif
+
 #if defined(MT32SOUND_DLL)
 	mt32sound_setrate(rate);
 #endif
+
 	dsstreamevent = (UINT8)-1;
-	soundmng_reset();
 	return(samples);
 
 stcre_err2:
@@ -257,12 +272,16 @@ void soundmng_sync(void) {
 void soundmng_setreverse(BOOL reverse) {
 
 	if (!reverse) {
+#if !defined(_WIN64)
 		if (mmxflag) {
 			fnmix = satuation_s16;
 		}
 		else {
 			fnmix = satuation_s16mmx;
 		}
+#else
+		fnmix = satuation_s16;
+#endif
 	}
 	else {
 		fnmix = satuation_s16x;