Commodore 1541 - Sequential Format; Program File Format

1540/1541 DIRECTORY HEADER
Track 18, Sector 0.
BYTE
144—161
162—163
Itvl
165-166
166—167
177—255
CONTENTS
160
50,65
160
0
DEFINITION
Disk name padded with shifted spaces.
Disk ID.
Shifted space.
ASCII representation for 2A which is DOS version
and format type.
Shifted spaces.
Nulls, not used.
Note: ASCII characters may appear in Locations 180 thru 191 on Kome diskettes.
SEQUENTIAL FORMAT
BYTE
0—1
2—256
DEFINITION
Track and block of next sequential daia block.
265 bytes of data with carriage Feturn as record terminators.
PROGRAM FILE FORMAT
BYTE
0,1
2—256
DEFINITION
Track and block of next block in program file.
265 bytes of program info stored in CBM memory format (with key
words tokenized}. End of file is marked by three zero bytes.