Section one: General
0 Introduction
1 Scope and field of application
2 Conformance
2.1 Conformance of a flexible disk cartridge
2.2 Conformance of an information processing system
3 References
4 Definitions
4.1 byte
4.2 data field of a sector
4.3 data interchange standard
4.4 defective sector
4.5 descriptor
4.6 file
4.7 formatting
4.8 implementation
4.9 initialization
4.10 originating system
4.11 receiving system
4.12 sector
4.13 track
4.14 user
4.15 fixed-length record
4.16 record
4.17 segment
4.18 segmented record
4.19 variable-length record
5 Notations
5.1 Decimal and hexadecimal notations
5.2 Other notations
5.3 Capital letters
Section two: Requirements for the medium
6 Volume structure
6.1 Arrangement of data on a flexible disk cartridge
6.2 Arrangement of the Data Area.
6.3 Arrangement of the System Area
6.4 Files
6.5 Sub-directories
7 Contents of a file
8 Recording of descriptor fields
8.1 Numerical values in one-byte fields
8.2 Numerical values in two-byte fields
8.3 Numerical values in four-byte fields
8.4 Pairs of 12-bit integers
8.5 Character set and coding
8.6 Justification of characters
9 FDC Descriptor
9.1 FDC Descriptor layout
9.2 FDC Descriptor fields
10 File Allocation Table
10.1 Format Identifier
10.2 FAT entries
10.3 Number of sectors in each FAT
10.4 Recorded form of the FAT
11 File directories
11.1 Characteristics
11.2 Directory entry types
11.3 General definition of Directory Entry Fields
11.4 File Entry
11.5 Volume Label Entry
11.6 Sub-directory Pointer Entry
11.7 Sub-directory identifier Entry
11.8 Sub-directory Parent Pointer entry
11.9 Not-currently-used Entry
11.10 Never-used Entry
Section three: Requirements for systems
12 Requirements for the description of systems
13 Requirements for an originating system
13.1 General
13.2 Files
13.3 Descriptors
14 Requirements for a receiving system
14.1 General
14.2 Files
14.3 Descriptors
Section four: Record structure
15 Record structure
15.1 General
15.2 Records
15.3 Attributes of record-structured files
15.4 Requirements for systems implementing section four
Annexes
A - Parameter values for FDCs conforming to an International Standard
for data interchange
B - Parameter values for other EDC formats
C - IS0 646: International Reference Version (IRV)
D - Example of volume structures and file location
E - Index of acronyms