Commodore 1541 - Page 32

Table 5 J: DIRECTORY FORMAT
BYTE
0,1
2—31
34—63
66—95
98—127
130—159
162—191
194—223
226—255
Track
18, Sector 1 for 1540/154 J
DEFINITION
Track and sector af next directory block.
•File entry 1
•File cnlry 2
•File entry 3
•File entry 4
*File entry 5
•File entry 6
•File entry 7
•File entry 8
■STRUCTURE OF SINGLE DIRECTORY ENTRY
BYTE
0
1,2
3—IS
19,20
21
22—25
26h27
28,29
CONTENTS
128+type
DEFINITION
File type OR'ed with 580 (hexadecimal) io indicate
properly closed file.
TYPES: 0 - DELeied
1 = SEQential
2 = PROGram
3 - USER
4 = RELative
Track and sector of 1st data block.
File name padded with shifted spaces.
Relative file only; track and sector for first side sector
block.
Relative Hie only: Record size.
Unused.
Track and sector of replacement flic when OPEN® is
in effect.
Number of blocks in file: low byte, high byte.