Apple IIe - Page 197

Cassette
and
Disk Storage with
the
Apple
lie
197
Table
5-1.
Track/Sector
List
Byte
No. (Hex)
Byte
Contents
INIT
0 Unused
1 Link: Contains track
number
where
track/ sector
list
is
continued.
2
Link:
Contains
sector
number
where
track
/
sector
list
is
continued.
If
both
link
bytes=
0,
the
track/ sector list
is
not
continued
.
3-4
Unused
5-6 Sector base
number
(ide
ntifies
groups
of
122
sectors).
7-B
Unused
C Track
No
.
of
First Sector in
File
D Sector No.
of
First Sector
in
File
E Track
No
.
of
Second Sector
in
File
F Sector
No
.
of
Second Sector in File
10
Track No.
of
Third
Sector
in
File
11
Sector No.
of
Third
Sector in File
(Continuation)
FE
Track No.
of
122nd Sector
in
File
FF
Sector No.
of
122nd Sector
in
File
Before
a
diskette
can
be
written
to
,
it
must first
be
initialized.
When
a
diskette
is
initialized
,
any existing data
on
the
diskette
is
erased,
DOS
is
copied
to
the
diskette, and any
program
in
memory
is
copied
to
the
diskette.
The
program
copied
shou
Id
be
the
greetings
program
. This
is
the
program
which
is
automatically
run
when
the
diskette
is
booted.