Xnrw/Xnrl - Omron CJ - REFERENCE MANUAL 02-2010 Reference Manual

3. Instructions

XNRW/XNRL

Instruction
EXCLUSIVE NOR
DOUBLE EXCLUSIVE NOR
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage OK
Operands
Operand
I Input 1
1
I Input 2
2
R Result word
Operand Specifications
Word addresses
Area
CIO WR HR
I , I
1 2
XNRW OK OK OK
R
I , I
1 2
XNRL OK OK OK
R
Flags
Name
Error Flag
Equals Flag
Negative Flag
442
Mnemonic Variations
XNRW @XNRW
XNRL @XNRL
XNRW
XNRW(037)
I : Input 1
I
1
1
I : Input 2
I
2
2
R: Result word
R
Block program areas Step program areas
OK OK
Description
AR T C DM EM
OK OK OK OK OK
OK OK OK OK OK
Label
ER OFF
= • ON when the result is 0.
• OFF in all other cases.
N • ON when the leftmost bit of R is 1.
• OFF in all other cases.
Function
code
Takes the logical exclusive NOR of corresponding
037
single words of word data and/or constants.
Takes the logical exclusive NOR of corresponding
613 bits in double words of word data and/or con-
stants.
Subroutines
OK
Data type
XNRW
WORD DWORD
WORD DWORD
WORD DWORD
Indirect DM/EM
addresses
Con-
stants
@DM *DM
DR
@EM *EM
OK
OK OK OK
---
OK
OK OK ---
---
Operation
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Function
XNRL
XNRL(613)
I : Input 1
I
1
1
I : Input 2
I
2
2
R: Result word
R
SFC action or
Interrupt tasks
transition programs
OK OK
Size
XNRL XNRW XNRL
1
1
1
Registers Flags
Pulse
bits
Indirect
IR TK CF
using IR
--- OK --- --- ---
--- OK --- --- ---
2
2
2
TR
bits
---
---