63
Instruction Functions Section 2-2
2-2-11 Logic Instructions
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution
condition
Page
LOGICAL AND
ANDW
@ANDW
034
Output
Required
548
DOUBLE
LOGICAL AND
ANDL
@ANDL
610
Output
Required
550
LOGICAL OR
ORW
@ORW
035
Output
Required
551
DOUBLE
LOGICAL OR
ORWL
@ORWL
611
Output
Required
553
EXCLUSIVE OR
XORW
@XORW
036
Output
Required
555
I
1
I
2
R
ANDW(034)
I
1
: Input 1
I
2
: Input 2
R: Result word
I
1
1
1
0
0
I
2
1
0
1
0
R
1
0
0
0
I
1
. I
2
→ R
Takes the logical AND of corresponding bits in single words of word
data and/or constants.
ANDL(610)
I
1
I
2
R
I
1
: Input 1
I
2
: Input 2
R: Result word
Takes the logical AND of corresponding bits in double words of word
data and/or constants.
I
1
, I
1
+1
1
1
0
0
I
2
, I
2
+1
1
0
1
0
R, R+1
1
0
0
0
(I
1
, I
1
+1). (I
2
, I
2
+1)→ (R, R+1)
I
1
: Input 1
I
2
: Input 2
R: Result word
I
1
I
2
R
ORW(035)
I
1
1
1
0
0
I
2
1
0
1
0
R
1
1
1
0
I
1
+ I
2
→ R
Takes the logical OR of corresponding bits in single words of word
data and/or constants.
I
1
I
2
R
ORWL(611)
I
1
: Input 1
I
2
: Input 2
R: Result word
(I
1
, I
1
+1) + (I
2
, I
2
+1) →(R,
R+1)
I
1
, I
1
+1
1
1
0
0
I
2
, I
2
+1
1
0
1
0
R, R+1
1
1
1
0
Takes the logical OR of corresponding bits in double words of word
data and/or constants.
I
1
I
2
R
XORW(036)
I
1
: Input 1
I
2
: Input 2
R: Result word
I
1
. I
2
+ I
1
.I
2
→ R
I
1
1
1
0
0
I
2
1
0
1
0
R
0
1
1
0
Takes the logical exclusive OR of corresponding bits in single words
of word data and/or constants.
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