7.
INITIAL SETTING OF TRANSMISSION CONTROL DATA TO
BUFFER MEMORY
MELSEGA
7.6
Mode Switch Settlng
The following shows how to set items during mode switching and gives an
example.
7.6.1
Reading in the
mode
setting state
This section explains how to read a currently-executed mode number after
the mode is switched.
Setting Method
I
b15
to
bO
118H
I I
I
I
I
The
m
ode numb (1 H
to
OH)
currmt)y
being
executed
b
stored.
thenumber(ltoD)r4bythemod.~ng~bstorsd.
After switching
the
mode,
numbers designated during
mode
switching are stored.
'
Before
witching
the
modo,
the
value
th.1
consoponds to
qeading Example]
To read the mode number currently being executed
(AJ71
C24
1/0
addresses
80
to
9F)
(--I
c-(
FROMP
I
H8
I
HI18
I
DO
I
K1
fl
The
mode number is read
from
butfer address 118H to
DO.
lREMARKl
After Switching the mode
of
the AJ71C24 (as explained
in
Section
7.6.2)
the current mode
number
can
bo confirmed by reading the value in the designated mode-switching area (address
11 9H) of the buffer.
The lower four bits
of
the mode number are stored in 1H to DH.
'-
L.
I
1
3
I
d
7-
17
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