Commodore 1570 - Page 113

-
o
Ul
-"
/'
Indtlll
c·
r~~=:r--G~p=rI
Sector
01
- - r Sector
02
Sector
03
\,
G.p
to
Field
Data
Field
r-
__
~
__
A---------,
r-
__________
~A~
__________
~
128,256,
or
512
Bytes
AM2:
Data:
hex
FB
or
Fa
FB =
data
field
F8=
c.ontTolfield
~Th.
control
fiald
can
begin
with
10
or
an
F:
o "
deleted
record
F =
defective
record
Clock: hex C7)
Hex
00
for
128
byte
pet"
sector
for
mat
Halt
01
tor
256
byte
per
sector
format
Hex
02
for
512
byte
p.
sector
for
mat
Hex 01
through
lA
for
128
byte
per
_etor
format
diskette
Hell 01
through
OF
for
256
byte
per
sector
format
diskette
Hex 01
through
08
for
512
byte
per
.etor
format
disketle
Hex
00
for
Dna-sided
diskettes,nd
side
0
of
two-sided
diskettes
Hex
01
for side 1
of
two-sided
diskette,
Hu
00
through
4A
lDacirtlll
1 tht"ough
74.
Cylinders
75
and
76
.r.
used
.s
etterl'llt., cylinder,.!
AM1:
identifie,
10
field
Oata:
hex
FE
Clock:
hlllI
C7
Figure C-2. MFM·Formatted Diskette
CD
o o
o
Pre·index
gap
Post-index gap.
6
bytes
of
zer.>8S
Cyclic
r.dundlncy
check.
T ....
check
byt.s
.r.
g.nerlted
during.
writ.
operltion.
They
ar.
used
during
I
,ead
op.ltion
to
Vitrify t
hit
dltl
is
r.ld
eorrlctly.
o
Post-IO
91p.
@
Post-dati
glp.