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HP HP-16C - Storing and Recalling Numbers Indirectly

HP HP-16C
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Section
6:
Memory
and
Storage
69
Store
and
Recall.
Numbers
are
copied
into
and
out
of
the
Index
register
using
and
[RCL](1],
operating
the
same
as
the
other
registers.
X
Exchange
I.
Analogous
to
the
[xXy]
function,
will
exchange
the
contents
of
the
X-register
and
the
Index
register.
Storing
and
Recalling
Numbers
Indirectly
Storage
registers
can
be
accessed
indirectly
using
the
[(i)]
function:
()],
(RCL][(i)],
or
[xx(i)].
The
absolute
value
of
the
number
in
R;
determines
the
storage
register
address.*
(In
Floating-Point
Decimal
mode,
only
the
integer
part
is
used.)
The
table
below
shows
the
correspondence
between
R;
and
storage
register
addresses.
Indirect
Addressing
If
Ry
Contains:
L(i))]
Will
Address:
9
(916)
Rg
15
(F16)
Re
16
(1046)
R.o
31
(1F6)
R
32
(201¢)
R32
(=
Rao,4)
33
(2146)
Raz
(=R,
The
[STO][(i)],
()],
and
functions
are
the
only
means
to
access a
storage
register
beyond
the
first
32
(beyond
0
through
.F),
but
they
can
be
used
for
any
register,
as
the
table
illustrates.
*The
absolute
value
is
computed
using
a
68-bit
word
size
and
the
current
complement
mode.

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