1 files changed, 149 insertions, 0 deletions
diff --git a/libpsn00b/psxcd/isofs.h b/libpsn00b/psxcd/isofs.h
new file mode 100644
index 0000000..5c5bf36
--- /dev/null
+++ b/libpsn00b/psxcd/isofs.h
@@ -0,0 +1,149 @@
+#ifndef _ISOFS_H
+#define _ISOFS_H
+
+#pragma pack(push, 1)
+
+/// Structure of a double-endian unsigned short word
+typedef struct ISO_USHORT_PAIR
+{
+	unsigned short	lsb;	/// LSB format 16-bit word
+	unsigned short	msb;	/// MSB format 16-bit word
+} ISO_USHORT_PAIR;
+
+/// Structure of a double-endian unsigned int word
+typedef struct ISO_UINT_PAIR
+{
+	unsigned int	lsb;		/// LSB format 32-bit word
+	unsigned int	msb;		/// MSB format 32-bit word
+} ISO_UINT_PAIR;
+
+/// ISO descriptor header structure
+typedef struct ISO_DESCRIPTOR_HEADER
+{
+	unsigned char	type;		/// Volume descriptor type (1 is descriptor, 255 is descriptor terminator)
+	char			id[5];		/// Volume descriptor ID (always CD001)
+	unsigned short	version;	/// Volume descriptor version (always 0x01)
+} ISO_DESCRIPTOR_HEADER;
+
+/// Structure of a date stamp for ISO_DIR_ENTRY structure
+typedef struct ISO_DATESTAMP
+{
+	unsigned char	year;		/// number of years since 1900
+	unsigned char	month;		/// month, where 1=January, 2=February, etc.
+	unsigned char	day;		/// day of month, in the range from 1 to 31
+	unsigned char	hour;		/// hour, in the range from 0 to 23
+	unsigned char	minute;		/// minute, in the range from 0 to 59
+	unsigned char	second;		/// Second, in the range from 0 to 59
+	unsigned char	GMToffs;	/// Greenwich Mean Time offset
+} ISO_DATESTAMP;
+
+/// Structure of an ISO path table entry (specifically for the cd::IsoReader class)
+typedef struct ISO_PATHTABLE_ENTRY
+{
+	unsigned char nameLength;	/// Name length (or 1 for the root directory)
+	unsigned char extLength;	/// Number of sectors in extended attribute record
+	unsigned int dirOffs;		/// Number of the first sector in the directory, as a double word
+	unsigned short dirLevel;	/// Index of the directory record's parent directory
+								/// If nameLength is odd numbered, a padding byte will be present after the identifier text.
+} ISO_PATHTABLE_ENTRY;
+
+typedef struct ISO_DIR_ENTRY
+{
+	unsigned char entryLength;			// Directory entry length (variable, use for parsing through entries)
+	unsigned char extLength;			// Extended entry data length (always 0)
+	ISO_UINT_PAIR entryOffs;			// Points to the LBA of the file/directory entry
+	ISO_UINT_PAIR entrySize;			// Size of the file/directory entry
+	ISO_DATESTAMP entryDate;			// Date & time stamp of entry
+	unsigned char flags;				// File flags (0x02 for directories, 0x00 for files)
+	unsigned char fileUnitSize;			// Unit size (usually 0 even with Form 2 files such as STR/XA)
+	unsigned char interleaveGapSize;	// Interleave gap size (usually 0 even with Form 2 files such as STR/XA)
+	ISO_USHORT_PAIR volSeqNum;			// Volume sequence number (always 1)
+	unsigned char identifierLen;		// Identifier (file/directory name) length in bytes
+} ISO_DIR_ENTRY;
+
+typedef struct ISO_ROOTDIR_HEADER
+{
+	unsigned char entryLength;			// Always 34 bytes
+	unsigned char extLength;			// Always 0
+	ISO_UINT_PAIR entryOffs;			// Should point to LBA 22
+	ISO_UINT_PAIR entrySize;			// Size of entry extent
+	ISO_DATESTAMP entryDate;			// Record date and time
+	unsigned char flags;				// File flags
+	unsigned char fileUnitSize;
+	unsigned char interleaveGapSize;
+	ISO_USHORT_PAIR volSeqNum;
+	unsigned char identifierLen;		// 0x01
+	unsigned char identifier;			// 0x00
+} ISO_ROOTDIR_HEADER;
+
+// ISO descriptor structure
+typedef struct ISO_DESCRIPTOR
+{
+
+	// ISO descriptor header
+	ISO_DESCRIPTOR_HEADER header;
+	// System ID (always PLAYSTATION)
+	char systemID[32];
+	// Volume ID (or label, can be blank or anything)
+	char volumeID[32];
+	// Unused null bytes
+	unsigned char pad2[8];
+	// Size of volume in sector units
+	ISO_UINT_PAIR volumeSize;
+	// Unused null bytes
+	unsigned char pad3[32];
+	// Number of discs in this volume set (always 1 for single volume)
+	ISO_USHORT_PAIR volumeSetSize;
+	// Number of this disc in volume set (always 1 for single volume)
+	ISO_USHORT_PAIR volumeSeqNumber;
+	// Size of sector in bytes (always 2048 bytes)
+	ISO_USHORT_PAIR sectorSize;
+	// Path table size in bytes (applies to all the path tables)
+	ISO_UINT_PAIR pathTableSize;
+	// LBA to Type-L path table
+	unsigned int	pathTable1Offs;
+	// LBA to optional Type-L path table (usually a copy of the primary path table)
+	unsigned int	pathTable2Offs;
+	// LBA to Type-L path table but with MSB format values
+	unsigned int	pathTable1MSBoffs;
+	// LBA to optional Type-L path table but with MSB format values (usually a copy of the main path table)
+	unsigned int	pathTable2MSBoffs;
+	// Directory entry for the root directory (similar to a directory entry)
+	ISO_ROOTDIR_HEADER	rootDirRecord;
+	// Volume set identifier (can be blank or anything)
+	char	volumeSetIdentifier[128];
+	// Publisher identifier (can be blank or anything)
+	char	publisherIdentifier[128];
+	// Data preparer identifier (can be blank or anything)
+	char	dataPreparerIdentifier[128];
+	// Application identifier (always PLAYSTATION)
+	char	applicationIdentifier[128];
+	// Copyright file in the file system identifier (can be blank or anything)
+	char	copyrightFileIdentifier[37];
+	// Abstract file in the file system identifier (can be blank or anything)
+	char	abstractFileIdentifier[37];
+	// Bibliographical file identifier in the file system (can be blank or anything)
+	char	bibliographicFilelIdentifier[37];
+	// Volume create date (in text format YYYYMMDDHHMMSSMMGG)
+	char	volumeCreateDate[17];
+	// Volume modify date (in text format YYYYMMDDHHMMSSMMGG)
+	char	volumeModifyDate[17];
+	// Volume expiry date (in text format YYYYMMDDHHMMSSMMGG)
+	char	volumeExpiryDate[17];
+	// Volume effective date (in text format YYYYMMDDHHMMSSMMGG)
+	char	volumeEffeciveDate[17];
+	// File structure version (always 1)
+	unsigned char	fileStructVersion;
+	// Padding
+	unsigned char	dummy0;
+	// Application specific data (says CD-XA001 at [141], the rest are null bytes)
+	unsigned char	appData[512];
+	// Padding
+	unsigned char	pad4[653];
+
+} ISO_DESCRIPTOR;
+
+// Leave non-aligned structure packing
+#pragma pack(pop)
+
+#endif /* _ISOFS_H */
+\ No newline at end of file