44
A
ll
and more about Sharp P
C-
1500 at http://
www
.PC-1500.info
@ ROP (Reset DisP)
Re
sets the LCD
on
/
off
con
t
ro
l
Oi
pfl
op
D I
SP
.
•Forn1at
RDP
@
IT
A
(In
To
Ace)
• 011cratio11
0 - · OISP
Of
f pa
tte
rn s
ig
nal
is generated frorn t
he
CPU int
erna
l
I.
CD backp
la
te signal
l.
incs
nw
- H11.
The contents
of
the input p
on
(INO- IN7)
arc
transferred w the accumul
ator
.
Only the
nag
Z cha nges.
• l;cJrmat
ITA
@ SIE (Set IE)
•Operati
on
I !':0- 7 - ·
1
\c
curnu lator
Sets
the interrupt e
nab
le
fl
ag
IE.
After
this. it becomes
read
y
for
mas
kab
le
int
err
upt
and
timer interrupt ackno\vJedgc.
No
cha
nge
tak
es
11lac
e
in
other
flags.
•Fclrmat
SIE
® RIE (Reset IE)
•Operation
I - IE
Resets the interrupt enable
flag
IE. l
\f
1cr this. 1naskablc interrupt and
1i
n1cr
interru
pt
arc
disabled.
No
change takes place in other flags.
• 1
.-
(trmat
RIE
@
AMO
(Ace
to
Tm
and
0)
•
Operation
0 - IE
The contents
of
the accumula
to
r
arc
tran
sl erred
to
the timer r
eg
ister
(TM)
. S
in
ce the
tin1
er
regis
ter consists of 9 bits. th
e:
accu
1r1
ul
ator
c(>11tcnts
are transferred t<) tile )
O\V
o
rd
er 8 bits
of
the reg
is
ter and .. 0 .. is entered in the highest order bit.
No
change takes p
la
ce in oth
er
fla
gs
.
• F
"o
rn1at
.'\MO
•Opc
ralion
A - T M (T
MO
-T
M7l
0 -
TM8
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not sale this
PDF!!!
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