Omron SYSMAC CP Series, User Manual

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A-17
Appendices
CP2E CPU Unit Software User’s Manual(W614)
A
-1 In
struction
Fu
nctio
n
s
App
A-1-
7 Data Shift Instr
uctions
SHIFT N-BITS
LEFT NASL @ Shifts the specified 16 bits(NASL) or 3 2 bits(NSLL) of word data to
the left by the specified number of bits.
C: Control word
• NASL
• NSLL
DOUBLE
SHIFT N-BITS
LEFT NSLL @
Instruction Mnemonic Variations Symbol/Operand Function
NASL(5 8 0)
D
C
D : Shift word
C : Control word
Shift n-bits
Lost
N bits
Contents of
"a" or "0"
shifted in
15 8 0 11 7 12
C
0
No. of bits to shift: 00 to 10 Hex
Always 0.
Data shifted into register
0 Hex: 0 shifted in
8 Hex: Contents of rightmost bit shifted in
15 8 0 11 7 12
C
0
No. of bits to shift: 00 to 20 Hex
Always 0.
Data shifted into register
0 Hex: 0 shifted in
8 Hex: Contents of rightmost bit shifted in
NSLL(5 8 2)
D
C
D : Shift word
C : Control word