DIRECTORY FILE TABLE FORMAT (ALL PARTITION
TYPES)
1541 & 1571 PARTITION - TRACK 18 SECTOR 1
1581 PARTITION - TRACK 40 SECTOR 3
NATIVE PARTITION - TRACK & SECTOR STATED
IN HEADER
|
|
BYTE
|
DESCRIPTION
|
|
0
|
Track pointer to next directory block (0
indicates last block) |
|
1
|
Sector pointer to next directory block (255
indicates last block) |
|
2-31
|
File entry 1 (Directory File Entry Format
Below) |
|
32-33
|
Reserved |
|
34-63
|
File entry 2 (Directory File Entry Format
Below) |
|
64-65
|
Reserved |
|
66-95
|
File entry 3 (Directory File Entry Format
Below) |
|
96-97
|
Reserved |
|
98-127
|
File entry 4 (Directory File Entry Format
Below) |
|
128-129
|
Reserved |
|
130-159
|
File entry 5 (Directory File Entry Format
Below) |
|
160-161
|
Reserved |
|
162-191
|
File entry 6 (Directory File Entry Format
Below) |
|
192-193
|
Reserved |
|
194-223
|
File entry 7 (Directory File Entry Format
Below) |
|
224-225
|
Reserved |
|
226-255
|
File entry 8 (Directory File Entry Format
Below) |
|
|
|
DIRECTORY FILE ENTRY FORMAT
ALL PARTITION TYPES AND NATIV MODE SUBDIRECTORIES
|
|
BYTE
|
CONTENTS
|
DESCRIPTION
|
|
0
|
|
File type: |
| |
128
|
DEL (Deleted)
|
| |
129
|
SEQ (Sequential) |
| |
130
|
PRG (Program) |
| |
131
|
USR (User) |
| |
132
|
REL (Relative) |
| |
|
CBM (1581 style sub-partition) |
| |
134
|
DIR (Native Mode subdirectory) |
|
1
|
|
Track pointer to first data block or header
block of DIR |
|
2
|
|
Sector pointer to first data block or header
block of DIR |
|
3-18
|
|
Filename padded with shifted spaces [CHR$(160)] |
|
19
|
|
Pointer to starting track of side/super
side sector of REL |
|
20
|
|
Pointer to starting sector of side/super
side sector of REL |
|
21
|
|
Record length or REL |
|
22
|
0
|
Recerved |
|
23
|
|
Year file was created |
|
24
|
|
Mouth file was created |
|
25
|
|
Day file was created |
|
26
|
|
Hour file was created |
|
27
|
|
Minute file was created |
|
28
|
|
Number of blocks used by file (low byte) |
| 29 |
|
Number of blocks used by file (high byte) |
|
|
|
