Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

46
Instruction Functions Section 2-2
2-2-7 Data Shift Instructions
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution
condition
Page
SHIFT REGISTER
SFT
010
Output
Required
361
REVERSIBLE
SHIFT REGISTER
SFTR
@SFTR
084
Output
Required
362
ASYNCHRO-
NOUS SHIFT
REGISTER
ASFT
@ASFT
017
Output
Required
365
WORD SHIFT
WSFT
@WSFT
016
Output
Required
368
ARITHMETIC
SHIFT LEFT
ASL
@ASL
025
Output
Required
370
SFT(010)
St
E
D
ata
input
Shift
input
Reset
input
St: Starting word
E: End word
E
St+1, St+2
St
Lost
Status of data
input for each shif
t
input
Operates a shift register.
SFTR(084)
C
St
E
C: Control word
St: Starting word
E: End word
E
E
Data input
St
St
Creates a shift register that shifts data to either the right or the left.
Shift
direc-
tion
Data
in
p
ut
ASFT(017)
C
St
E
C: Control word
St: Starting word
E: End word
E
E
St
St
• • •• • •
Clear
Shift
Shift
Non-zero data
Zero data
Shift enabled
Shift direction
Shifts all non-zero word data within the specified word range either
towards St or toward E, replacing 0000Hex word data.
WSFT(016)
S
St
E
S: Source word
St: Starting word
E: En
d
w
o
r
d
E
St
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.