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Commodore 1541-II - Page 98

Commodore 1541-II
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1541
RELATIVE
FILE
FORMAT
BYTE
DEFINITION
DATA
BLOCK
0,1
2-255
Track
and
sector
of
next
data
block.
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
2
3
4-5
6-7
8-9
10-11
12-13
14-15
16-255
Track
and
sector
of
next
side
sector
block.
Side
sector
number
(0-5)
Record
length
Track
and
sector
of
first
side
sector
(number
0)
Track
and
sector
of
second
side
sector
(number
1)
Track
and
sector
of
third
side
sector
(number
2)
Track
and
sector
of
fourth
side
sector
(number
3)
Track
and
sector
of
fifth
side
sector
(number
4)
Track
and
sector
of
sixth
side
sector
(number
5)
Track
and
sector
pointers
to
120
data
blocks.
90

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