375
Logic Instructions
Section 5-25
Example
Flags
ER:
Indirectly addressed EM/DM word is non-existent.
(Content of
*
EM/
*
DM word is not BCD, or the EM/DM area boundary
has been exceeded.)
EQ:
ON when the result is 0.
5-25-5 EXCLUSIVE NOR – XNRW(37)
Limitations
DM 6144 to DM 6655 cannot be used for R.
Description
When the execution condition is OFF, XNRW(37) is not executed. When the
execution condition is ON, XNRW(37) exclusively NOR’s the contents of I1
and I2 bit-by-bit and places the result in R.
Flags
ER:
Indirectly addressed EM/DM word is non-existent.
(Content of
*
EM/
*
DM word is not BCD, or the EM/DM area boundary
has been exceeded.)
EQ:
ON when the result is 0.
1 0 0 1
1 0 0 1
1 0 0 1
1 0 0 1
15
00
0 1 0 1
0 1 0 1
0 1 0 1
0 1 0 1
1 1 0 0
1 1 0 0
1 1 0 0
1 1 0 0
15
00
15
00
I1
I2
R
I1
: Input 1
IR, SR, AR, DM, EM, HR, TIM/CNT, LR, #
I2
:
Input 2
IR, SR, AR, DM, EM, HR, TIM/CNT, LR, #
Ladder Symbols
Operand Data Areas
R
: Result word
IR, SR, AR, DM, EM, HR, LR
XNRW(37)
I1
I2
R
@XNRW(37)
I1
I2
R
1 0 0 1
1 0 0 1
1 0 0 1
1 0 0 1
15
00
0 1 0 1
0 1 0 1
0 1 0 1
0 1 0 1
0 0 1 1
0 0 1 1
0 0 1 1
0 0 1 1
15
00
15
00
I1
I2
R
Содержание SYSMAC CQM1H Series
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