SEQUENTIAL
FILE
FORMAT
BYTE
DEFINITION
ALL
BUT
FINAL SECTOR
0-1
Track and sector
of
next sequential data block.
2-255
254 bytes
of
data.
FINAL SECTOR
0,1
Null ($00), followed by number
of
valid data bytes in sector.
2-???
Last bytes
of
data. Any remaining bytes are garbage and may be ignored.
RELATIVE
FILE
FORMAT
BYTE
DEFINITION
DATA BLOCK
0,1
Track and sector
of
next data block.
2-255
254 bytes
of
data. Empty records contain $FF
(all binary ones) in the first byte followed by $00
(binary all zeros) to the end
of
the record. Partially
filled records are padded with nulls ($00).
SIDE SECTOR BLOCK
0-1
Track and sector
of
next side sector block.
2
Side sector number (0-5)
3
Record length
4-5
Track and sector
of
first side sector (number 0)
6-7
Track and sector
of
second side sector (number
1)
8-9
Track and sector
of
third side sector (number 2)
10-11
Track and sector
of
fourth side sector (number 3)
12-13
Track and sector
of
fifth side sector (number 4)
14-15
Track and sector
of
sixth side sector (number 5)
16-255
Track and sector pointers to 120 data blocks.
110
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