Tandy 600 Programmer's Reference Manual page 14

Bios programmers
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INT
47h
-
Translate
Address
AX
BX
CX
DX
SP:
BP:
SI:
Dl:
IP:
FLG
CS
DS
SS
ES
XXXXXXXX
XXXXXXXX
XXXXXXXX
XXXXXXXX
Entry:
CX
-
Number
of
addresses
to
translate
DS:DX
-
Pointer
to
block
of
addresses
to
translate
Exit
none
XXXXXXXXXXXXXXXXXXX
User hook
routines
which use
the
File
System Moving hook
(INT
45h),
may
use
this
interrupt
to
adjust
file
segment
pointers.
The
contents
of
DS:DX
point to
a block
of
words
containing
segment
addresses which
may
need
adjustment,
and
CX
specifies
the
number
of
values
in
the
block.
This function
will
adjust
these
segment
addresses
to
the
corresponding
new
segment
address
based upon
the
current
motion
of
the
file
system. This
function
will
only
return
meaningful values
when
called
from
within
a hook
routine
which
was
invoked through
INT
45h.

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