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-=-
-=-
V
DESCRIPTION OF REGISTERS
PC-l00l
has
14 registers
including 8 program memory regi
ste
rs, 3 working regi
sters
and
3
function calculation registers.
-
No.
7
memory
8
E
1
No
.
1 st
e
p
~
No
.
8 ste
p
No
.
6
16
' "
9
No
.
9 st
e
p
~
No.
16 ste
p
No
.
5
24
""
17
No.4
32
'"
25
No.3
40
33
\
<E:
II
No.
2
48
.:;:
41
X
i
No
.
1
56
""
49
Y
II
No.O
64
'"
57
Z
0'
I
I
X, Y,
Z:
Calculation
register
{3
' Y
Each register consists of
the
mantissa (11 digits) and
the
exponent (2
digits) with
the
sign
.
The
X
register (display
register) has
a mantissa of 1
0
digits and an exponent
of
2
digits, however, data input of up
to
11
digits
is
possible.
I
21
0
-
.'
.~
o
~
7
:
11',
{3,
r:
Memory regi st
ers
These me
mori
es are
used
as
the
data stora
memory.
Each
data storage
regi st er
is
~
qui
ge
regi st
ers
and al so program step
val ent to
8
program
steps.
Thus,
. Oth er combin ation of
registers
e
ither 64 st
e ps o
r
8
regi st
ers are
availabl
e
and st
eps are
possi bl
e.
Steps are stored in th
e
program with th
e
64th step
in
No
.
0 memory register.
Thu
program steps, th
e
st
eps are
stored
in
the
1 st st ep in th
e
No
.
7 memory
--+
s, wh en using both registers and
latter
memori es (7, 6,
.....
..
), the,
data are stored in th
e
lower memories
(0, 1,
2, ... .. ).
These
registers
are used f
o
r keyboard fu
Note: In the calcul ation of
y
X,
No.
0 me
When
yX
is
calculated,
a
meaningless
numbe
nction calculation s.
mory register must also be used
.
r will be stored
in
No.
0
memory
.
VI
DECIMAL
POINT SYSTEM
I
I
loat
mode
I
lie
ente
red numbers
including
th
e
decimal point are displayed starting from the most
',
I
p)
i'ii
ca
nt
digit to the
least
siginificant
digit.
"
I
xpo
nenti al" mode
11
11
locim
al
po
int
is
alw ays di splay ed into the right of
the
first digit
.
22
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