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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Logic Instructions
2
ORW/ORWL
Function
Sample program
When the execution condition CIO 0.00 is ON, the logical OR is taken of corresponding bits in CIO 21,
CIO 20 and CIO 31, CIO 30 and the results will be output to corresponding bits in D501 and D500.
ORW
ORW(035) takes the logical OR of data speci-
fied in I
1
and I
2
and outputs the result to R.
ORWL
ORWL(611) takes the logical OR of data
specified in I
1
and I
2
as double-word data and
outputs the result to R, R+1.
I
1
, I
2
→ R
I
1
I
2
R
111
101
011
000
(I
1,
I
1
+1) + (I
2,
I
2
+1) → (R, R+1)
I
1,
I
1
+1 I
2,
I
2
+1
R, R+1
111
101
011
000
20.00
20.01
20.02
20.03
20.15
21.00
21.15
1
1
0
0
1
1
0
1
1
1
0
1
1
1
1
0
1
0
1
0
1
ORWL
20
30
D500
0.00
S
1
: 20CH
S
1
+1: 21CH
30.00
30.01
30.02
30.03
30.15
31.00
31.15
S
2
: 30CH
S
2
+1: 31CH
00
01
02
03
15
00
15
D: D500
D+1: D501
D500
D501
Note The vertical arrow indicates logical OR.