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26
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and more
about Sharp PC-1500
at
http://www.PC-1500.info
(j) ADI
(ADd
Immediate)
·r,>
either
the
accun1ulator or
the
external
n1crnory
i:;
added
the
inuncdiatc
data. In
the
case of AOI
co
chc accum
ulacor.
ca rry
is
included
in
chc
operation.
C.
H.
Z.
and
V
rnay
change.
•Formal
ADI /\.i
ADI (Rrcg).i
;\1)1
#(R
rcg).i
AD
I
(ab).i
ADI
#(a!J).i
(EX}
ADI
(
Xreg}.
20H
•
Opcrntion
J\
'i·
i
+
C
-
/\
(opera
nd
i+
i
-
[opera
ndi
20H
is
added
to
the
memory represented
by
X
register.
l
Xreg=4FOOH
Execute
onten!S
=
o
o
l
1
0
0
,--"'1' _
,
ConterHs
.
I
0
I
o
I
o o
1
f
•FOOH
- - - - -
of
•
FCOH
.
C=
O
,
H-
0
,
Z-
0
,
V=
O
-
- - -
--
0)
DCA (DeCimal Add)
L
)..:cirnal
addition
i:;
carried
out
bel\\'C-~ll
the
exti.:rna
l
rnc1nory
and
the
accurnulat
()r
includ ing
ca
rry.
and
its
rc~u
lt
is
stored
in
the
a ccurnula
t
<)r.
(~.
H,
Z.
and V
rna~'
change.
• l:orn1at
DC/\ ( Rregl
DCA
li(Rrcg)
(EX)
DCA (Yreg
)
•
Operation
I
}
/\
+
6611
-
/\
2)
A
+
[opcr<1nd
)
+
C
-
A
(C.
H.
Z.
and
\I
may
cilangc.J
J)
/\
+
l)A
-
A
'Where.
DA
is
used
fo
r
compensation of
decimal
n um ber
which
is
dependent
o
n
t
he
valt:c
of
flags
C
and
11
in
regard
to
ltt
1
n
2).
c
0
0
H
0
I
0
DA
'9foH
AOH
f
AH
OOH
Decimal
addition
is
carried
out
between
the
memory represented
by
!he
Y
register and
1
he
accumulator.
Y
reg
=
4i00H
A
c
35H
351
i
35H
3.3H
Co1~
1cn ts
of
470CH
c
27H
0
2711
1
67H
0
6711
AflC(
ex:ccution
oi
OCA
c
H
A
0
62H
0
63H
0211
03H
Oet1
nlal
addition
35+
27
+
0-62
35+
27+1
-
63
35 167
I
O=
HYl
351671
l
=
t03
--'-----------------'------
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