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8086
Object
Module
Formats
version
4.9
~he
followinq
example
(3)
is
a
case
where
access
verification
works
whether
the
TARGET
specification
is
~primary~
or
·secondary-:
(3)
The
translator
wishes
to
reference
·forwards~
from
a
REFERENT,
and
to
ensure
that
the
TARGET
lies
within
the
specified
FRAME.
For
example,
we
wish
to
reference
the
l00'th
byte
in
an
external
structure
STRCT.
The
translator
may
specify
the
fixup
as
FRAME:
SI(FOO)
TARGET:
EI(STRCT)
,99
R&L
will
ensure
that
the
distance.
from
the
canonic
FRAME
of
Foa
to
the
190'th
byte
of
STRCT
is
less
than
6553~.
(Note
that
this
constraint
miqht
be
achieved
even
if
STRCT
lies
outside
the
canonic
FRAME
of
FOO.)
(4)
Hibyte
fixups
specified
in
a
primary
way
will
be
correct
in
that
a
full
word
is
used
to
accumulate
the
value
of
an
offset.
Only
after
LOCATE'inq
will
the
value
of
the
hibyte
of
an
offset
be
used
as
a
fixup
value.
This
prevents
the
loss
of
accuracy
due
to
truncation
of
low
byte
before
addinq
the
address
at
which
an
object
is
LOCATE'd.
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