[-~
[~
[--
Parameter
drive:
byte
record
value
address
Definition
A one-digit hexadecimal value that indi-
cates
which
drive a file will
be
loaded
from
or
written
to.
The
valid values are
0-3,
where
0 =
A:,
I =
B:,
2 =
C:,
3 =
D:.
A two-digit hexadecimal value
placed
in
or
read from an address
or
register.
I-digit
to
3-digit hexadecimal value that
indicates
the
logical
record
number
on
the
disk and
the
number
of
disk sectors
to
be
written
or
loaded. Logical
records
correspond
to
sectors; however, since
they represent
the
entire disk space,
their
numbering differs.
A hexadecimal value
of
up
to
four digits
that specifies a
port
number
or
the
number
of
times a command should
repeat its functions.
A two-part designation containing
either
an alphabetic segment register
or
a four-
digit segment address plus an offset value.
You may
omit
the
segment
name
or
seg-
ment
address, in
which
case
the
default
segment DS is used for all commands
except
G,
L,
T,
U,
and
W,
for
which
the
default segment is
CS.
All
numeric
values
are hexadecimal.
Following is an example
address:
CS:0100
04BA:0100
Note
that
the
colon
is required
between
the
segment name
(whether
numeric
or
alphabetic) and
the
offset value.
range Contains
two
addresses: for example,
address address;
or
one
address, an
L,
and a value: for example, address L
value
where
value
is the
number
of
lines
on
which
the
command
should
operate
(L80
is
assumed). The
second
type
of
range
cannot
be
used
if
another
hexadecimal
value follows, since
the
hexadecimal
value
would
be
interpreted
as
the
second
address
of
the
range.
Debug
2111
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