Unit CDFS
From Ultibo.org
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Contents
Description
Ultibo CDFS interface unit
To be documented
Constants
CDFS specific constants
cdfs* cdfsIso9660 = 0;
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cdfsJoilet = 1;
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cdfsSierra = 2;
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cdfsRockRidge = 3;
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cdfsAudio = 4;
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cdfsUDF = 5;
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cdfsAnyName = '*';
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cdfsDotName = '.';
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cdfsDotDotName = '..';
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cdfsVersionName = '1';
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Used by version information on end of identifier (Not Used) |
cdfsSeparator1Name = '.';
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Dot on end of identifier when no extension exists (File only) |
cdfsSeparator2Name = ';';
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Used by version information on end of identifier (File only) |
cdfsJolietMaxPath = 240;
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120 (240 bytes) |
cdfsJolietMaxFile = 64;
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(128 bytes) |
cdfsISO9660MaxPath = 240;
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cdfsISO9660MaxFile = 30;
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31 for Directories |
cdfsISO9660StandardIdentifier = 'CD001';
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cdfsELTORITOSystemIdentifier = 'EL TORITO SPECIFICATION';
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cdfsFirstSector = 0;
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cdfsReservedSectors = 16;
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cdfsISO9660StartSector = 16;
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cdfsELTORITOBootSector = 17;
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cdfsISO9660StructureVersion = 1;
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cdfsISO9660DescriptorVersion = 1;
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cdfsELTORITODescriptorVersion = 1;
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cdfsJolietUCS2Sequence1 = #37 + #47 + #64;
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'%/@' |
cdfsJolietUCS2Sequence2 = #37 + #47 + #67;
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'%/C' |
cdfsJolietUCS2Sequence3 = #37 + #47 + #69;
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'%/E' |
cdfsDotIdentifier = $00;
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cdfsDotDotIdentifier = $01;
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cdfsSeparator1Value = $2E;
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'.' |
cdfsSeparator2Value = $3B;
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';' |
cdfsTimeStartYear = 1900;
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CDFS Time starts at 1900 |
cdfsTimeOffsetInterval = 15;
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Offset is in 15 minute intervals |
cdfsNullFileTime:TFileTime = (dwLowDateTime:$00000000;dwHighDateTime:$00000000);
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cdfsStartCluster = 16;
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cdfsUnknownCluster = LongWord(-1);
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cdfsRootPathNumber = 1;
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cdfsPathRecordSize = 9;
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Minimum |
cdfsExtendedRecordSize = 250;
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Minimum |
cdfsDirectoryRecordSize = 34;
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Minimum |
cdfsFileIdentifierSize = 1;
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Minimum |
cdfsPathIdentifierSize = 1;
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Minimum |
cdfsHeaderRecordSize = 32;
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Fixed |
cdfsCatalogRecordSize = 32;
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Fixed |
cdfsExtensionRecordSize = 32;
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Fixed |
cdfsEvenSize = 0;
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cdfsUnevenSize = 1;
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cdfsRootRecordOffset = 156;
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Offset of Root Directory in Descriptor |
cdfsInstanceFirst = 0;
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cdfsInstanceLast = Byte(-1);
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cdfsTableTypeMask = $00FF0000;
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cdfsTableTypeShift = 16;
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cdfsTableInstanceMask = $0000FF00;
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cdfsTableInstanceShift = 8;
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cdfsTableDescriptorMask = $000000FF;
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cdfsTableDescriptorShift = 0;
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cdfsBitmapUnknown = LongWord(-1);
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CDFS bitmap mask
cdfsBitmapMask* cdfsBitmapMaskBits = 64;
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Int64 Bitmap Masks |
cdfsBitmapMaskNone = $0000000000000000;
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Int64 Used for fast counting of free blocks |
cdfsBitmapMaskAll = $FFFFFFFFFFFFFFFF;
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Int64 Used for fast counting of used blocks |
CDFS volume flag
cdfsVolumeFlag* cdfsVolumeFlagNone = $00;
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cdfsVolumeFlagUnregistered = $01;
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If set this SVD contains an unregistered escape sequence |
CDFS file flag
cdfsFileFlag* cdfsFileFlagNone = $00;
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cdfsFileFlagExistence = $01;
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If set this file is hidden |
cdfsFileFlagDirectory = $02;
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If set this record is a directory |
cdfsFileFlagAssociated = $04;
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If set this file is an associated file |
cdfsFileFlagRecord = $08;
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If set record information is recorded for this file |
cdfsFileFlagProtection = $10;
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If set permissions are recorded for this file |
cdfsFileFlagReserved1 = $20;
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Reserved |
cdfsFileFlagReserved2 = $40;
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Reserved |
cdfsFileFlagMore = $80;
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If set there are more directory records for this file |
CDFS permissions
cdfsPermission* cdfsPermissionSystemRead = $0001;
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If set system cannot Read |
cdfsPermissionSystemWrite = $0002;
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If set system cannot Write |
cdfsPermissionSystemExecute = $0004;
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If set system cannot Execute |
cdfsPermissionReserved1 = $0008;
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Reserved |
cdfsPermissionOwnerRead = $0010;
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If set owner cannot Read |
cdfsPermissionOwnerWrite = $0020;
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If set owner cannot Write |
cdfsPermissionOwnerExecute = $0040;
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If set owner cannot Execute |
cdfsPermissionReserved2 = $0080;
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Reserved |
cdfsPermissionGroupRead = $0100;
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If set group cannot Read |
cdfsPermissionGroupWrite = $0200;
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If set group cannot Write |
cdfsPermissionGroupExecute = $0400;
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If set group cannot Execute |
cdfsPermissionReserved3 = $0800;
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Reserved |
cdfsPermissionOtherRead = $1000;
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If set other cannot Read |
cdfsPermissionOtherWrite = $2000;
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If set other cannot Write |
cdfsPermissionOtherExecute = $4000;
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If set other cannot Execute |
cdfsPermissionReserved4 = $8000;
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Reserved |
CDFS path table
cdfsPathTable* cdfsPathTableTypePrimary = $00;
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cdfsPathTableTypeAlternate = $01;
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cdfsPathTableTypePrimaryM = $02;
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cdfsPathTableTypeAlternateM = $03;
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CDFS volume descriptor
cdfsVolumeDescriptor* cdfsVolumeDescriptorTypeBoot = $00;
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cdfsVolumeDescriptorTypePrimary = $01;
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cdfsVolumeDescriptorTypeSupplementary = $02;
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cdfsVolumeDescriptorTypePartition = $03;
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cdfsVolumeDescriptorTypeTerminator = $FF;
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CDFS header
cdfsElTorito* cdfsElToritoHeaderId = $01;
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cdfsElToritoBootIndicator = $88;
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cdfsElToritoNoBootIndicator = $00;
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cdfsElToritoHeaderIndicator = $90;
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91 if final header |
cdfsElToritoHeaderTerminator = $91;
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cdfsElToritoExtensionIndicator = $44;
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CDFS signature
cdfsElToritoSignature* cdfsElToritoSignature = $AA55;
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CDFS platform Id
cdfsElToritoPlatform* cdfsElToritoPlatformIdx86 = $00;
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cdfsElToritoPlatformIdPPC = $01;
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cdfsElToritoPlatformIdMac = $02;
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CDFS media type
cdfsElToritoMedia* cdfsElToritoMediaTypeNone = $00;
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No Emulation |
cdfsElToritoMediaType12M = $01;
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1.2 meg diskette |
cdfsElToritoMediaType144M = $02;
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1.44 meg diskette |
cdfsElToritoMediaType288M = $03;
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2.88 meg diskette |
cdfsElToritoMediaTypeHDD = $04;
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Hard Disk (drive 80) |
cdfsElToritoMediaTypeMask = $0F;
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Values 5-F Reserved, invalid at this time |
cdfsElToritoMediaFlagReserved = $10;
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Reserved, must be 0 |
cdfsElToritoMediaFlagContinuation = $20;
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Continuation Entry Follows |
cdfsElToritoMediaFlagAtapi = $40;
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Image contains ATAPI driver |
cdfsElToritoMediaFlagScsi = $80;
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Image contains SCSI drivers |
cdfsElToritoMediaFlagMask = $F0;
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CDFS extension flag
cdfsElToritoExtensionFlag* cdfsElToritoExtensionFlagExtension = $20;
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Extension Record Follows |
Type definitions
CDFS specific types
TCDFSType = (ctNONE,ctISO9660,ctJOLIET,ctSIERRA,ctROCKRIDGE,ctAUDIO,ctUDF);
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CDFS time
PCDFSTime = ^TCDFSTime;
TCDFSTime = packed record
| Note: 7 Bytes | |
Years:Byte;
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Number of years since 1900 |
Month:Byte;
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Month of the year from 1 to 12 |
Day:Byte;
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Day of the month from 1 to 31 |
Hour:Byte;
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Hour of the day from 0 to 23 |
Minute:Byte;
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Minute of the hour from 0 to 59 |
Second:Byte;
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Second of the minute from 0 to 59 |
Offset:ShortInt;
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Offset from Greenwich Mean Time in number of 15 min intervals from -48 (West) to +52 (East) |
CDFS date time
PCDFSDateTime = ^TCDFSDateTime;
TCDFSDateTime = packed record
| Note: 17 Bytes | |
Year:array[0..3] of Char;
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Year from 1 to 9999 |
Month:array[0..1] of Char;
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Month of the year from 1 to 12 |
Day:array[0..1] of Char;
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Day of the month from 1 to 31 |
Hour:array[0..1] of Char;
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Hour of the day from 0 to 23 |
Minute:array[0..1] of Char;
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Minute of the hour from 0 to 59 |
Second:array[0..1] of Char;
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Second of the minute from 0 to 59 |
Hundredths:array[0..1] of Char;
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Hundredths of a second |
Offset:ShortInt;
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Offset from Greenwich Mean Time in number of 15 min intervals from -48 (West) to +52 (East) |
CDFS directory record
PCDFSDirectoryRecord = ^TCDFSDirectoryRecord;
TCDFSDirectoryRecord = packed record
| Note: 34 Bytes (Minimum not including padding) | |
RecordSize:Byte;
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Length of Directory Record (LEN-DR) |
ExtendedSize:Byte;
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Extended Attribute Record Length |
FirstBlock:LongWord;
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Location of Extent |
FirstBlockM:LongWord;
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DataSize:LongWord;
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Data Length |
DataSizeM:LongWord;
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CreateTime:TCDFSTime;
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Recording Date and Time |
FileFlags:Byte;
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File Flags 8 bits |
UnitSize:Byte;
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File Unit Size |
InterleaveSize:Byte;
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Interleave Gap Size |
SequenceNumber:Word;
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Volume Sequence Number |
SequenceNumberM:Word;
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FileIdentifierSize:Byte;
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Length of File Identifier (LEN_FI) |
FileIdentifier:array[0..0] of Char;
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File Identifier d-characters,d1-characters,SEPARATOR 1,SEPARATOR 2,(00) or (01) byte |
Padding:Byte;
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Padding Field (00) byte (Only present if FileIdentifierSize is even (Total size would be odd)) |
SystemData:array[0..0] of Byte;
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System Use LEN_SU bytes |
CDFS path record
PCDFSPathRecord = ^TCDFSPathRecord;
TCDFSPathRecord = packed record
| Note: 9 Bytes (Minimum not including padding) | |
PathIdentifierSize:Byte;
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Length of Directory Identifier (LEN_DI) |
ExtendedSize:Byte;
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Extended Attribute Record Length |
FirstBlock:LongWord;
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Location of Extent |
ParentNumber:Word;
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Parent Directory Number |
PathIdentifier:array[0..0] of Char;
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Directory Identifier d-characters, d1-characters, (00) byte |
Padding:Byte;
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Padding Field (00) byte (Only present if PathIdentifierSize is odd (Total size would be odd)) |
CDFS extended record
PCDFSExtendedRecord = ^TCDFSExtendedRecord;
TCDFSExtendedRecord = packed record
| Note: 250 Bytes (Minimum) | |
OwnerId:Word;
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Owner Identification |
OwnerIdM:Word;
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GroupId:Word;
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Group Identification |
GroupIdM:Word;
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Permissions:Word;
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Permissions 16 bits |
CreateTime:TCDFSDateTime;
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File Creation Date and Time |
ModifyTime:TCDFSDateTime;
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File Modification Date and Time |
ExpireTime:TCDFSDateTime;
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File Expiration Date and Time |
EffectiveTime:TCDFSDateTime;
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File Effective Date and Time |
RecordFormat:Byte;
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Record Format |
RecordAttributes:Byte;
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Record Attributes |
RecordLength:Word;
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Record Length |
RecordLengthM:Word;
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SystemIdentifier:array[0..31] of Char;
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System Identifier a-characters, a1-characters |
SystemData:array[0..63] of Byte;
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System Use not specified |
ExtendedVersion:Byte;
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Extended Attribute Record Version |
EscapeSequenceSize:Byte;
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Length of Escape Sequences (LEN_ESC) |
Reserved1:array[0..63] of Byte;
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Reserved for future standardization (00) bytes |
ApplicationDataSize:Word;
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Length of Application Use (LEN_AU) |
ApplicationDataSizeM:Word;
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ApplicationData:array[0..0] of Byte;
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Application Use LEN_AU bytes |
EscapeSequence:array[0..0] of Byte;
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Escape Sequences LEN_ESC bytes |
CDFS volume descriptor header
PCDFSVolumeDescriptorHeader = ^TCDFSVolumeDescriptorHeader;
TCDFSVolumeDescriptorHeader = packed record
| Note: 2048 Bytes | |
DescriptorType:Byte;
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Descriptor Type 00 = Boot, 01 = Primary etc |
StandardIdentifier:array[0..4] of Char;
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Standard Identifier ('CD001') |
DescriptorVersion:Byte;
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Descriptor Version (1) |
Reserved:array[0..2040] of Byte;
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Content depends on Descriptor Type |
CDFS volume descriptor boot
PCDFSVolumeDescriptorBoot = ^TCDFSVolumeDescriptorBoot;
TCDFSVolumeDescriptorBoot = packed record
| Note: 2048 Bytes | |
DescriptorType:Byte;
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Descriptor Type (00 = Boot) |
StandardIdentifier:array[0..4] of Char;
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Standard Identifier ('CD001') |
DescriptorVersion:Byte;
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Descriptor Version (1) |
SystemIdentifier:array[0..31] of Char;
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32 a-characters (eg EL TORITO SPECIFICATION) |
BootIdentifier:array[0..31] of Char;
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32 a-characters |
BootData:array[0..1976] of Byte;
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CDFS volume descriptor primary
PCDFSVolumeDescriptorPrimary = ^TCDFSVolumeDescriptorPrimary;
TCDFSVolumeDescriptorPrimary = packed record
| Note: 2048 Bytes | |
DescriptorType:Byte;
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Descriptor Type (01 = Primary) |
StandardIdentifier:array[0..4] of Char;
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Standard Identifier ('CD001') |
DescriptorVersion:Byte;
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Descriptor Version (1) |
Reserved1:Byte;
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Unused Field (00) byte |
SystemIdentifier:array[0..31] of Char;
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System Identifier a-characters |
VolumeIdentifier:array[0..31] of Char;
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Volume Identifier d-characters |
Reserved2:array[0..7] of Byte;
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Unused Field (00) bytes |
VolumeSpaceSize:LongWord;
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Volume Space Size |
VolumeSpaceSizeM:LongWord;
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Reserved3:array[0..31] of Byte;
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Unused Field (00) bytes |
VolumeSetSize:Word;
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Volume Set Size |
VolumeSetSizeM:Word;
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VolumeSequenceNumber:Word;
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Volume Sequence Number |
VolumeSequenceNumberM:Word;
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LogicalBlockSize:Word;
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Logical Block Size |
LogicalBlockSizeM:Word;
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PathTableSize:LongWord;
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Path Table Size |
PathTableSizeM:LongWord;
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PrimaryPathTable:LongWord;
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Location of Occurrence of Type L Path Table |
AlternatePathTable:LongWord;
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Location of Optional Occurrence of Type L Path Table |
PrimaryPathTableM:LongWord;
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Location of Occurrence of Type M Path Table |
AlternatePathTableM:LongWord;
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Location of Optional Occurrence of Type M Path Table |
RootDirectory:TCDFSDirectoryRecord;
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Directory Record for Root Directory 34 bytes |
VolumeSetIdentifier:array[0..127] of Char;
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Volume Set Identifier d-characters |
PublisherIdentifier:array[0..127] of Char;
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Publisher Identifier a-characters |
PreparerIdentifier:array[0..127] of Char;
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Data Preparer Identifier a-characters |
ApplicationIdentifier:array[0..127] of Char;
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Application Identifier a-characters |
CopyrightIdentifier:array[0..36] of Char;
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Copyright File Identifier d-characters, SEPARATOR 1, SEPARATOR 2 |
AbstractIdentifier:array[0..36] of Char;
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Abstract File Identifier d-characters, SEPARATOR 1, SEPARATOR 2 |
BibliographicIdentifier:array[0..36] of Char;
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Bibliographic File Identifier d-characters, SEPARATOR 1, SEPARATOR 2 |
CreateTime:TCDFSDateTime;
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Volume Creation Date and Time |
ModifyTime:TCDFSDateTime;
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Volume Modification Date and Time |
ExpireTime:TCDFSDateTime;
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Volume Expiration Date and Time |
EffectiveTime:TCDFSDateTime;
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Volume Effective Date and Time |
FileStructureVersion:Byte;
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File Structure Version |
Reserved4:Byte;
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Reserved for future standardization (00) byte |
ApplicationData:array[0..511] of Byte;
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Application Use not specified |
Reserved5:array[0..652] of Byte;
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Reserved for future standardization (00) bytes |
CDFS volume descriptor supplementary
PCDFSVolumeDescriptorSupplementary = ^TCDFSVolumeDescriptorSupplementary;
TCDFSVolumeDescriptorSupplementary = packed record
| Note: 2048 Bytes | |
DescriptorType:Byte;
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Descriptor Type (02 = Supplementary) |
StandardIdentifier:array[0..4] of Char;
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Standard Identifier ('CD001') |
DescriptorVersion:Byte;
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Descriptor Version (1) |
VolumeFlags:Byte;
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Volume Flags 8 bits |
SystemIdentifier:array[0..31] of Char;
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System Identifier a-characters |
VolumeIdentifier:array[0..31] of Char;
|
Volume Identifier d-characters |
Reserved2:array[0..7] of Byte;
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Unused Field (00) bytes |
VolumeSpaceSize:LongWord;
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Volume Space Size |
VolumeSpaceSizeM:LongWord;
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EscapeSequences:array[0..31] of Byte;
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Escape Sequences 32 bytes |
VolumeSetSize:Word;
|
Volume Set Size |
VolumeSetSizeM:Word;
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VolumeSequenceNumber:Word;
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Volume Sequence Number |
VolumeSequenceNumberM:Word;
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LogicalBlockSize:Word;
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Logical Block Size |
LogicalBlockSizeM:Word;
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PathTableSize:LongWord;
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Path Table Size |
PathTableSizeM:LongWord;
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PrimaryPathTable:LongWord;
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Location of Occurrence of Type L Path Table |
AlternatePathTable:LongWord;
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Location of Optional Occurrence of Type L Path Table |
PrimaryPathTableM:LongWord;
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Location of Occurrence of Type M Path Table |
AlternatePathTableM:LongWord;
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Location of Optional Occurrence of Type M Path Table |
RootDirectory:TCDFSDirectoryRecord;
|
Directory Record for Root Directory 34 bytes |
VolumeSetIdentifier:array[0..127] of Char;
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Volume Set Identifier d-characters |
PublisherIdentifier:array[0..127] of Char;
|
Publisher Identifier a-characters |
PreparerIdentifier:array[0..127] of Char;
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Data Preparer Identifier a-characters |
ApplicationIdentifier:array[0..127] of Char;
|
Application Identifier a-characters |
CopyrightIdentifier:array[0..36] of Char;
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Copyright File Identifier d-characters, SEPARATOR 1, SEPARATOR 2 |
AbstractIdentifier:array[0..36] of Char;
|
Abstract File Identifier d-characters, SEPARATOR 1, SEPARATOR 2 |
BibliographicIdentifier:array[0..36] of Char;
|
Bibliographic File Identifier d-characters, SEPARATOR 1, SEPARATOR 2 |
CreateTime:TCDFSDateTime;
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Volume Creation Date and Time |
ModifyTime:TCDFSDateTime;
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Volume Modification Date and Time |
ExpireTime:TCDFSDateTime;
|
Volume Expiration Date and Time |
EffectiveTime:TCDFSDateTime;
|
Volume Effective Date and Time |
FileStructureVersion:Byte;
|
File Structure Version |
Reserved4:Byte;
|
Reserved for future standardization (00) byte |
ApplicationData:array[0..511] of Byte;
|
Application Use not specified |
Reserved5:array[0..652] of Byte;
|
Reserved for future standardization (00) bytes |
CDFS volume descriptor partition
PCDFSVolumeDescriptorPartition = ^TCDFSVolumeDescriptorPartition;
TCDFSVolumeDescriptorPartition = packed record
| Note: 2048 Bytes | |
DescriptorType:Byte;
|
Descriptor Type (03 = Partition) |
StandardIdentifier:array[0..4] of Char;
|
Standard Identifier ('CD001') |
DescriptorVersion:Byte;
|
Descriptor Version (1) |
Reserved1:Byte;
|
Unused Field (00) byte |
SystemIdentifier:array[0..31] of Char;
|
System Identifier a-characters |
PartitionIdentifier:array[0..31] of Char;
|
Volume Partition Identifier d-characters |
PartitionStart:LongWord;
|
Volume Partition Location (first Logical Block) |
PartitionStartM:LongWord;
|
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PartitionSize:LongWord;
|
Volume Partition Size (in Logical Blocks) |
PartitionSizeM:LongWord;
|
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SystemData:array[0..1959] of Byte;
|
System Use not specified |
CDFS volume descriptor terminator
PCDFSVolumeDescriptorTerminator = ^TCDFSVolumeDescriptorTerminator;
TCDFSVolumeDescriptorTerminator = packed record
| Note: 2048 Bytes | |
DescriptorType:Byte;
|
Descriptor Type (FF = Terminator) |
StandardIdentifier:array[0..4] of Char;
|
Standard Identifier ('CD001') |
DescriptorVersion:Byte;
|
Descriptor Version (1) |
Reserved:array[0..2040] of Byte;
|
Reserved (Always 00) |
EL TORITO validation record
PELTORITOValidationRecord = ^TELTORITOValidationRecord;
TELTORITOValidationRecord = packed record
| Note: 32 Bytes | |
HeaderId:Byte;
|
Header ID, must be 01 |
PlatformId:Byte;
|
Platform ID 0 = 80x86, 1 = PowerPC, 2 = Mac |
Reserved1:Word;
|
Reserved, must be 0 |
VendorId:array[0..23] of Char;
|
ID string. This is intended to identify the manufacturer/developer of the CD-ROM |
Checksum:Word;
|
Checksum Word. This sum of all the words in this record should be 0 |
Signature:Word;
|
Key byte, must be 55. Key byte, must be AA. This value is included in the checksum |
EL TORITO default record
PELTORITODefaultRecord = ^TELTORITODefaultRecord;
TELTORITODefaultRecord = packed record
| Note: 32 Bytes | |
BootIndicator:Byte;
|
Boot Indicator. 88 = Bootable, 00 = Not Bootable |
BootMedia:Byte;
|
Boot media type. This specifies what media the boot image is intended to emulate |
LoadSegment:Word;
|
This is the load segment for the initial boot image. If this value is 0 the system will use the traditional segment of 7C0 |
SystemType:Byte;
|
This must be a copy of byte 5 (System Type) from the Partition Table found in the boot image (PartitionId) |
Reserved1:Byte;
|
Unused, must be 0 |
LoadCount:Word;
|
Sector Count. This is the number of virtual/emulated sectors the system will store at Load Segment during the initial boot procedure |
LoadRBA:LongWord;
|
Load RBA. This is the start address of the virtual disk. CDs use Relative/Logical block addressing |
Reserved2:array[0..19] of Byte; {Unused, must be 0}
|
|
EL TORITO section header
PELTORITOSectionHeader = ^TELTORITOSectionHeader;
TELTORITOSectionHeader = packed record
| Note: 32 Bytes | |
HeaderIndicator:Byte;
|
Header Indicator, 90 - Header, more headers follow, 91 - Final Header |
PlatformId:Byte;
|
Platform ID 0 = 80x86, 1 = PowerPC, 2 = Mac |
SectionCount:Word;
|
Number of section entries following this header |
SectionId:array[0..27] of Char;
|
ID string. This identifies a section |
EL TORITO section record
PELTORITOSectionRecord = ^TELTORITOSectionRecord;
TELTORITOSectionRecord = packed record
| Note: 32 Bytes | |
BootIndicator:Byte;
|
Boot Indicator. 88 = Bootable, 00 = Not Bootable |
BootMedia:Byte;
|
Boot media type. This specifies what media the boot image emulates |
LoadSegment:Word;
|
Load Segment. This is the load segment for the initial boot image. If this value is 0 the system will use the traditional segment of 7C0 |
SystemType:Byte;
|
System Type. This must be a copy of byte 5 (System Type) from the Partition Table found in the boot image (PartitionId) |
Reserved1:Byte;
|
Unused, must be 0 |
LoadCount:Word;
|
Sector Count. This is the number of virtual/emulated sectors the system will store at Load Segment during the initial boot procedure |
LoadRBA:LongWord;
|
Load RBA. This is the start address of the virtual disk. CDs use Relative/Logical block addressing |
SelectionType:Byte;
|
Selection criteria type. 0 - No selection criteria, 1- Language and Version Information (IBM), 2-FF - Reserved |
SelectionData:array[0..18] of Byte;
|
Vendor unique selection criteria |
EL TORITO section extension
PELTORITOSectionExtension = ^TELTORITOSectionExtension;
TELTORITOSectionExtension = packed record
| Note: 32 Bytes | |
ExtensionIndicator:Byte;
|
Extension Indicator. Must be 44 |
ExtensionFlag:Byte;
|
Bits 1-4 - Unused, Bit 5 (1 = Extension Record follows, 0 = This is final Extension), Bits 6-7 - Unused |
SelectionData:array[0..29] of Byte;
|
Vendor unique selection criteria |
EL TORITO volume descriptor boot
PELTORITOVolumeDescriptorBoot = ^TELTORITOVolumeDescriptorBoot;
TELTORITOVolumeDescriptorBoot = packed record
| Note: 2048 Bytes | |
DescriptorType:Byte;
|
Boot Record Indicator, must be 0 |
StandardIdentifier:array[0..4] of Char;
|
ISO-9660 Identifier, must be 'CD001' |
DescriptorVersion:Byte;
|
Version of this descriptor, must be 1 |
SystemIdentifier:array[0..31] of Char;
|
Boot System Identifier, must be 'EL TORITO SPECIFICATION' padded with 0s |
Reserved1:array[0..31] of Byte;
|
Unused, must be 0 |
CatalogStart:LongWord;
|
Absolute pointer to first sector of Boot Catalog |
Reserved2:array[0..1972] of Byte;
|
Unused, must be 0 |
Class definitions
CDFS specific classes
TCDFSRecognizer = class(TRecognizer)
|
TCDFSFormatter = class(TDiskFormatter)
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TCDFSResizer = class(TDiskResizer)
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TCDFSCopier = class(TDiskCopier)
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TCDFSFileSystem = class(TFileSystem)
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TCDFSDiskTable = class(TDiskTable)
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TCDFSDiskBlock = class(TDiskBlock)
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TCDFSDiskEntry = class(TDiskEntry)
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TCDFSDiskCatalog = class(TDiskCatalog)
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TCDFSDiskPath = class(TListObject)
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TCDFSDiskExtended = class(TObject)
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TCDFSDiskDescriptor = class(TListObject)
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TCDFSDiskHeader = class(TListObject)
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TCDFSDiskExtension = class(TListObject)
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Public variables
None defined
Function declarations
Initialization functions
procedure CDFSInit;
Description: To be documented
| Note | None documented |
|---|
procedure CDFSQuit;
Description: To be documented
| Note | None documented |
|---|
CDFS helper functions
function CDFSDataToPointer(const AData; ASize:Integer; ASwap:Boolean):Pointer;
Description: Creates a pointer and copies data from a buffer
| Note | Allows byte order swapping on copy |
|---|
function CDFSPointerToData(APointer:Pointer; var AData; ASize:Integer; ASwap:Boolean):Boolean;
Description: Copies data to a buffer from supplied pointer
| Note | Allows byte order swapping on copy |
|---|
function CDFSIdentifierToString(const AIdentifier; ASize:Integer; AUnicode:Boolean):String;
Description: Converts the supplied indentifier to a string
| Note | Accounts for unicode and byte ordering |
|---|
function CDFSStringToIdentifier(const AString:String; var AIdentifier; ASize:Integer; AUnicode:Boolean):Boolean;
Description: Converts the supplied string to an identifier
| Note | Accounts for unicode and byte ordering |
|---|
function CDFSIdentifierToFileName(const AIdentifier; ASize:Integer; AUnicode:Boolean):String;
Description: Converts the supplied identifier to a filename
| Note | Accounts for dot and dot dot special entries |
|---|
function CDFSFileNameToIdentifier(const AFileName:String; var AIdentifier; ASize:Integer; AUnicode:Boolean):Boolean;
Description: Converts the supplied filename to an identifier
| Note | Accounts for dot and dot dot special entries |
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function CDFSTimeToFileTime(const ATime:TCDFSTime):TFileTime;
Description: Converts a CDFS Time in Local to a File Time in UTC
| Note | None documented |
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function FileTimeToCDFSTime(const AFileTime:TFileTime; var ATime:TCDFSTime):Boolean;
Description: Converts a File Time in UTC to a CDFS Time in Local
| Note | None documented |
|---|
function CDFSDateTimeToFileTime(const ADateTime:TCDFSDateTime):TFileTime;
Description: Converts a CDFS Date Time in Local to a File Time in UTC
| Note | None documented |
|---|
function FileTimeToCDFSDateTime(const AFileTime:TFileTime; var ADateTime:TCDFSDateTime):Boolean;
Description: Converts a File Time in UTC to a CDFS Date Time in Local
| Note | None documented |
|---|
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