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