--- np2/fdd/sxsi.h	2003/11/07 18:31:24	1.2
+++ np2/fdd/sxsi.h	2004/01/22 01:10:04	1.3
@@ -1,42 +1,97 @@
 
 enum {
-	HDDTYPE_SASI,
-	HDDTYPE_SCSI,
-	HDDTYPE_NONE
+	SASIHDD_MAX		= 2,
+	SCSIHDD_MAX		= 4
 };
 
+enum {
+	SXSITYPE_NONE		= 0x0000,
+
+	SXSITYPE_HDD		= 0x0001,
+	SXSITYPE_CDROM		= 0x0002,
+	SXSITYPE_MO			= 0x0003,
+	SXSITYPE_SCANNER	= 0x0004,
+	SXSITYPE_DEVMASK	= 0x000f,
+
+	SXSITYPE_REMOVE		= 0x0010,
+
+	SXSITYPE_SASIMASK	= 0x0700,
+
+	SXSITYPE_SASI		= 0x1000,
+	SXSITYPE_IDE		= 0x2000,
+	SXSITYPE_SCSI		= 0x3000,
+	SXSITYPE_IFMASK		= 0xf000
+};
+
+
 typedef struct {
-	long	totals;
-	UINT16	tracks;
-	UINT16	size;
+	char	sig[3];
+	char	ver[4];
+	char	delimita;
+	char	comment[128];
+	BYTE	padding1[4];
+	BYTE	mbsize[2];
+	BYTE	sectorsize[2];
 	BYTE	sectors;
 	BYTE	surfaces;
+	BYTE	cylinders[2];
+	BYTE	totals[4];
+	BYTE	padding2[0x44];
+} VHDHDR;
+
+typedef struct {
+	BYTE	cylinders[2];
+} THDHDR;
+
+typedef struct {
+	BYTE	dummy[4];
+	BYTE	hddtype[4];
+	BYTE	headersize[4];
+	BYTE	hddsize[4];
+	BYTE	sectorsize[4];
+	BYTE	sectors[4];
+	BYTE	surfaces[4];
+	BYTE	cylinders[4];
+} HDIHDR;
+
+typedef struct {
+	long	totals;
+	UINT16	cylinders;
+	UINT16	size;
+	UINT8	sectors;
+	UINT8	surfaces;
 	UINT16	type;
 	UINT32	headersize;
 	long	fh;
 	char	fname[MAX_PATH];
-} _SXSIHDD, *SXSIHDD;
+} _SXSIDEV, *SXSIDEV;
+
+typedef struct {
+	UINT8	sectors;
+	UINT8	surfaces;
+	UINT16	cylinders;
+} SASIHDD;
 
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-extern	_SXSIHDD	sxsi_hd[4];
+extern const SASIHDD sasihdd[7];
 
 void sxsi_initialize(void);
 
-SXSIHDD sxsi_getptr(BYTE drv);
-const char *sxsi_getname(BYTE drv);
-BOOL sxsi_hddopen(BYTE drv, const char *file);
+SXSIDEV sxsi_getptr(REG8 drv);
+const char *sxsi_getname(REG8 drv);
+BOOL sxsi_hddopen(REG8 drv, const char *file);
 
 void sxsi_open(void);
 void sxsi_flash(void);
 void sxsi_trash(void);
 
-BYTE sxsi_read(BYTE drv, long pos, BYTE *buf, UINT16 size);
-BYTE sxsi_write(BYTE drv, long pos, const BYTE *buf, UINT16 size);
-BYTE sxsi_format(BYTE drv, long pos);
+REG8 sxsi_read(REG8 drv, long pos, BYTE *buf, UINT size);
+REG8 sxsi_write(REG8 drv, long pos, const BYTE *buf, UINT size);
+REG8 sxsi_format(REG8 drv, long pos);
 
 #ifdef __cplusplus
 }