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2 Instructions
2-144
CP1E CPU Unit Instructions Reference Manual(W483)
NASR/NSRL
Applicable Program Areas
Operands
C: Control word
Operand Specifications
Instruction Mnemonic Variations
Function
code
Function
SHIFT N-BITS RIGHT NASR @NASR 581
Shifts the specified 16 bits of word data to the right by
the specified number of bits.
DOUBLE SHIFT N-BITS
RIGHT
NSRL @NSRL 583
Shifts the specified 32 bits of word data to the right by
the specified number of bits.
Symbol
NASR NSRL
Area Step program areas Subroutines Interrupt tasks
Usage OK OK OK
Operand Description
Data type Size
NASR NSRL NASR NSRL
D Shift Word UINT UDINT 1 2
C Control word UINT UDINT 1 1
NASR NSRL
Area
Word addresses Indirect DM addresses
Constants CF Pulse bits TR bits
CIO WR HR AR T C DM @DM *DM
D
OK OK OK OK OK OK OK OK OK
---
--- --- ---
C OK
NASR(581)
D
C
C: Control word
D: Shift word
NSRL(583)
D
C
C: Control word
D: Shift word
15 8 011 712
C
0
No. of bits to shift: 00 to 10 Hex
Alw
ays 0.
Data shifted into register
0 Hex: 0 shifted in
8 Hex: Contents of rightmost bit shifted in
15 8 011 712
C
0
No. of bits to shift: 00 to 20 Hex
Alw
ays 0.
Data shifted into register
0 Hex: 0 shifted in
8 Hex: Contents of rightmost bit shifted in