--- np2/fdd/fdd_xdf.c	2004/01/27 10:55:47	1.3
+++ np2/fdd/fdd_xdf.c	2005/02/07 14:46:09	1.8
@@ -13,6 +13,10 @@ static const _XDFINFO supportxdf[] = {
 			// 512
 			{0, 154, 15, 2, DISKTYPE_2HD, 0},
 #endif
+#if 1
+			// 512
+			{0, 160, 15, 2, DISKTYPE_2HD, 0},
+#endif
 			// 1024
 			{0, 154,  8, 3, DISKTYPE_2HD, 0},
 			// 1.44MB
@@ -20,14 +24,14 @@ static const _XDFINFO supportxdf[] = {
 };
 
 typedef struct {
-	BYTE	dummy[4];
-	BYTE	fddtype[4];
-	BYTE	headersize[4];
-	BYTE	fddsize[4];
-	BYTE	sectorsize[4];
-	BYTE	sectors[4];
-	BYTE	surfaces[4];
-	BYTE	cylinders[4];
+	UINT8	dummy[4];
+	UINT8	fddtype[4];
+	UINT8	headersize[4];
+	UINT8	fddsize[4];
+	UINT8	sectorsize[4];
+	UINT8	sectors[4];
+	UINT8	surfaces[4];
+	UINT8	cylinders[4];
 } FDIHDR;
 
 
@@ -36,7 +40,7 @@ BOOL fddxdf_set(FDDFILE fdd, const char 
 const _XDFINFO	*xdf;
 	short		attr;
 	FILEH		fh;
-	UINT		fdsize;
+	UINT32		fdsize;
 	UINT		size;
 
 	attr = file_attr(fname);
@@ -47,11 +51,11 @@ const _XDFINFO	*xdf;
 	if (fh == FILEH_INVALID) {
 		return(FAILURE);
 	}
-	fdsize = file_seek(fh, 0, FSEEK_END);
+	fdsize = file_getsize(fh);
 	file_close(fh);
 
 	xdf = supportxdf;
-	while(xdf < (supportxdf + (sizeof(supportxdf)/sizeof(_XDFINFO)))) {
+	while(xdf < (supportxdf + NELEMENTS(supportxdf))) {
 		size = xdf->tracks;
 		size *= xdf->sectors;
 		size <<= (7 + xdf->n);
@@ -72,8 +76,9 @@ BOOL fddxdf_setfdi(FDDFILE fdd, const ch
 
 	short	attr;
 	FILEH	fh;
-	FDIHDR	fdi;
+	UINT32	fdsize;
 	UINT	r;
+	FDIHDR	fdi;
 	UINT32	fddtype;
 	UINT32	headersize;
 	UINT32	size;
@@ -88,9 +93,11 @@ BOOL fddxdf_setfdi(FDDFILE fdd, const ch
 	if (attr & 0x18) {
 		return(FAILURE);
 	}
+	fdsize = 0;
 	r = 0;
 	fh = file_open_rb(fname);
 	if (fh != FILEH_INVALID) {
+		fdsize = file_getsize(fh);
 		r = file_read(fh, &fdi, sizeof(fdi));
 		file_close(fh);
 	}
@@ -109,6 +116,9 @@ BOOL fddxdf_setfdi(FDDFILE fdd, const ch
 		(cylinders == 0) || (cylinders >= 128)) {
 		return(FAILURE);
 	}
+	if (fdsize != (headersize + (size * sectors * surfaces * cylinders))) {
+		return(FAILURE);
+	}
 	size >>= 8;
 	n = 0;
 	while(size) {
@@ -166,7 +176,6 @@ BOOL fddxdf_diskaccess(FDDFILE fdd) {
 		(CTRL_FDMEDIA != fdd->inf.xdf.disktype)) {
 		return(FAILURE);
 	}
-	(void)fdd;
 	return(SUCCESS);
 }
 
@@ -174,7 +183,7 @@ BOOL fddxdf_seek(FDDFILE fdd) {
 
 	if ((fdd->type != DISKTYPE_BETA) ||
 		(CTRL_FDMEDIA != fdd->inf.xdf.disktype) ||
-		(fdc.rpm != fdd->inf.xdf.rpm) ||
+		(fdc.rpm[fdc.us] != fdd->inf.xdf.rpm) ||
 		(fdc.ncn >= (fdd->inf.xdf.tracks >> 1))) {
 		return(FAILURE);
 	}
@@ -185,7 +194,7 @@ BOOL fddxdf_seeksector(FDDFILE fdd) {
 
 	if ((fdd->type != DISKTYPE_BETA) ||
 		(CTRL_FDMEDIA != fdd->inf.xdf.disktype) ||
-		(fdc.rpm != fdd->inf.xdf.rpm) ||
+		(fdc.rpm[fdc.us] != fdd->inf.xdf.rpm) ||
 		(fdc.treg[fdc.us] >= (fdd->inf.xdf.tracks >> 1))) {
 		fddlasterror = 0xe0;
 		return(FAILURE);
@@ -207,12 +216,12 @@ BOOL fddxdf_read(FDDFILE fdd) {
 	long	seekp;
 	UINT	secsize;
 
-	fddlasterror = 0x00;										// ver0.28
+	fddlasterror = 0x00;
 	if (fddxdf_seeksector(fdd)) {
 		return(FAILURE);
 	}
 	if (fdc.N != fdd->inf.xdf.n) {
-		fddlasterror = 0xc0;									// ver0.28
+		fddlasterror = 0xc0;
 		return(FAILURE);
 	}
 
@@ -225,18 +234,18 @@ BOOL fddxdf_read(FDDFILE fdd) {
 
 	hdl = file_open_rb(fdd->fname);
 	if (hdl == FILEH_INVALID) {
-		fddlasterror = 0xe0;									// ver0.28
+		fddlasterror = 0xe0;
 		return(FAILURE);
 	}
 	if ((file_seek(hdl, seekp, FSEEK_SET) != seekp) ||
 		(file_read(hdl, fdc.buf, secsize) != secsize)) {
 		file_close(hdl);
-		fddlasterror = 0xe0;									// ver0.28
+		fddlasterror = 0xe0;
 		return(FAILURE);
 	}
 	file_close(hdl);
 	fdc.bufcnt = secsize;
-	fddlasterror = 0x00;										// ver0.28
+	fddlasterror = 0x00;
 	return(SUCCESS);
 }
 
@@ -246,17 +255,17 @@ BOOL fddxdf_write(FDDFILE fdd) {
 	long	seekp;
 	UINT	secsize;
 
-	fddlasterror = 0x00;										// ver0.28
+	fddlasterror = 0x00;
 	if (fddxdf_seeksector(fdd)) {
-		fddlasterror = 0xe0;									// ver0.28
+		fddlasterror = 0xe0;
 		return(FAILURE);
 	}
 	if (fdd->protect) {
-		fddlasterror = 0x70;									// ver0.28
+		fddlasterror = 0x70;
 		return(FAILURE);
 	}
 	if (fdc.N != fdd->inf.xdf.n) {
-		fddlasterror = 0xc0;									// ver0.28
+		fddlasterror = 0xc0;
 		return(FAILURE);
 	}
 
@@ -269,25 +278,26 @@ BOOL fddxdf_write(FDDFILE fdd) {
 
 	hdl = file_open(fdd->fname);
 	if (hdl == FILEH_INVALID) {
-		fddlasterror = 0xc0;									// ver0.28
+		fddlasterror = 0xc0;
 		return(FAILURE);
 	}
 	if ((file_seek(hdl, seekp, FSEEK_SET) != seekp) ||
 		(file_write(hdl, fdc.buf, secsize) != secsize)) {
 		file_close(hdl);
-		fddlasterror = 0xc0;									// ver0.28
+		fddlasterror = 0xc0;
 		return(FAILURE);
 	}
 	file_close(hdl);
 	fdc.bufcnt = secsize;
-	fddlasterror = 0x00;										// ver0.28
+	fddlasterror = 0x00;
 	return(SUCCESS);
 }
 
 BOOL fddxdf_readid(FDDFILE fdd) {
 
 	fddlasterror = 0x00;
-	if ((fdc.rpm != fdd->inf.xdf.rpm) ||
+	if ((!fdc.mf) ||
+		(fdc.rpm[fdc.us] != fdd->inf.xdf.rpm) ||
 		(fdc.crcn >= fdd->inf.xdf.sectors)) {
 		fddlasterror = 0xe0;
 		return(FAILURE);