Omron CJ - PROGRAMMING MANUAL 12-2009 - Data Shift Instructions

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Data Shift Instructions
Section 3-7
3-7 Data Shift Instructions
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution condition
SHIFT REGISTER
SFT
010
Output
Required
REVERSIBLE
SHIFT REGISTER
SFTR
@SFTR
084
Output
Required
ASYNCHRO-
NOUS SHIFT
REGISTER
ASFT
@ASFT
017
Output
Required
WORD SHIFT
WSFT
@WSFT
016
Output
Required
ARITHMETIC
SHIFT LEFT
ASL
@ASL
025
Output
Required
SFT(010)
St
E
Data
input
Shift
input
Reset
input
St: Starting word
E: End word
E
St+1, St+2
St
Status of data
input for each
shift input
Lost
Operates a shift register.
SFTR(084)
C
St
E
C: Control word
St: Starting word
E: End word
StE
St
E
Data
input
Data input
Creates a shift register that shifts data to either the right or the left.
Shift
direc-
tion
ASFT(017)
C
St
E
C: Control word
St: Starting word
E: End word
St
E
St
E
Shift direction
Clear
Shift
Shift
Zero data
Shifts all non-zero word data within the specified word range either
towards St or toward E, replacing 0000Hex word data.
Shift enabled
Non-zero data
······
WSFT(016)
S
St
E
S: Source word
St: Starting word
E: End word
St
E
Lost
Shifts data between St and E in word units.
ASL(025)
Wd
Wd: Word
Shifts the contents of Wd one bit to the left.