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Sharp PC-1500 Technical Reference Manual page 43

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38
All
and more about Sharp
PC-1500
at http://www.PC-1500.info
@
TTA (T To Ace)
'flu:
contents
of
the T
register
a
rc
1m·
a
nsfcrred
co
the
accun1ulator.
The Oag Z chang•-s.
• Forntat
lTA
•Operation
T
-
·
A
Flag
:C.
I
:
when T
=
OOH
0: when
T
;C
0011
2-4-5. Block transfer and search instructions
@
TIN
(Transfer and INcremenl)
~rhc
contents
of
the
external
rncrnory
(Xr-:g)
an.:-
transferred to
the
external
rne1r1or~
1
(Yrcg).
chen
both
Xreg
and
Yreg
a
re
added
by
one.
No
change
takes
place
in
flags.
• J.
" '
o
rn1at
Tl
l\'
(EX)
TIN
Xree=
4700H
Y
rcg=
·
1 SOOH
•01>eration
(X
reg)
-
(Yrt:g)
Xreg
+
I
-
Xreg
Yreg
+
I
-
r
·reg
Xreg-
4701H
Exeeote
-
-•
Yrcg=
4001H
Con,.nts
-
I
0
0
1
1
0
0
1
1
]
of 4700H
.
Contents
~
0 0
I
1
0
0
I
1
o
f
4SOOH
@
CIN (Compare
and INcrement)
T
he
contents
of
the
accun1ula1or
arc con1pared
\Vith
that
of
the
external
rnerr1ory
(X rcg).
its
result
is
repr<.
'
Scntcd
by
flag
staccs.
chcn X rcg
is
incremented
by
on
~.
Format
Cll\'
Opcr.ition
/\
-
(Xreg)
-
cha
nge in C.
M. Z.
and
V
Xreg
+
I
-
Xn:g
l~clation
bct\•.rccn
the
co111pari~()l'l
resull (A
'"i1h
Xrcg)
and
nags
(C.
H.
Z.
VJ is
che :«1me
as
in
@
CPA.
Do
not
sale
this PDF!!!

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