Omron CPM1 - PROGRAMING MANUAL 02-2001 Programming Manual page 500

Logic Instructions
Description
Example
Flags
7-24-5 EXCLUSIVE NOR – XNRW(37)
Limitations
Description
Flags
482
When the execution condition is OFF, XORW(36) is not executed. When the
execution condition is ON, XORW(36) exclusively OR's the contents of I1 and I2
bit-by-bit and places the result in R.
15
I1
1 0
15
I2
0 1
15
1 1
R
Indirectly addressed DM word is non-existent. (Content of *DM word is
ER:
not BCD, or the DM area boundary has been exceeded.)
EQ: ON when the result is 0.
Ladder Symbols
XNRW(37) @XNRW(37)
I1
I2
R
DM 6144 to DM 6655 cannot be used for R.
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.
15
I1
1 0
15
I2
0 1
15
0 0
R
Indirectly addressed DM word is non-existent. (Content of *DM word is
ER:
not BCD, or the DM area boundary has been exceeded.)
EQ: ON when the result is 0.
0 1 1 0 0 1 1
0 1 0 1 0 1 0
0 0 1 1 0 0 1
IR, SR, AR, DM, HR, TC, LR, #
I1
IR, SR, AR, DM, HR, TC, LR, #
I2
R
0 1 1 0 0 1 1
0 1 0 1 0 1 0
1 1 0 0 1 1 0
Section
00
0 0 1 1 0 0 1
00
1 0 1 0 1 0 1
00
1 0 0 1 1 0 0
Operand Data Areas
I1: Input 1
I2: Input 2
R: Result word
IR, SR, AR, DM, HR, LR
00
0 0 1 1 0 0 1
00
1 0 1 0 1 0 1
00
0 1 1 0 0 1 1
7-24