Omron SYSMAC CP Series, User Manual

Page: 478 / 578

Appendices
A-18
CP2E CPU Unit Software User’s Manual(W614)
SHIFT N-BITS
RIGHT NASR @ Shifts the specified 16 bits(NASR) or 3 2 bits(NSRL) of word data
to the right by the specified number of bits.
C: Control word
• NASR
• NSRL
DOUBLE
SHIFT N-BITS
RIGHT NSRL @
A-1-8 Increment/Decrement Instructions
Instruction Mnemonic Variations Symbol/Operand Function
INCREMENT
BINARY ++ @ Increments the 4-digit hexadecimal content of the specified word
by 1.
DOUBLE
INCREMENT
BINARY ++L @ Increments the 8 -digit hexadecimal content of the specified words
by 1.
DECREMENT
BINARY
− −
@ Decrements the 4-digit hexadecimal content of the specified word
by 1.
DOUBLE DEC-
REMENT
BINARY
− −
L @ Decrements the 8 -digit hexadecimal content of the specified
words by 1.
INCREMENT
BCD ++B @ Increments the 4-digit BCD content of the specified word by 1.
Instruction Mnemonic Variations Symbol/Operand Function
NASR(5 8 1)
D
C
D : Shift word
C : Control word
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
NSRL(5 8 3)
D
C
D : Shift word
C : Control word
++(590)
Wd
Wd : Word
Wd Wd
++L(591)
Wd
Wd : Word
Wd+1 Wd Wd+1 Wd
− −
(592)
Wd
Wd : Word
Wd Wd
− −
L(593)
Wd
Wd : 1st word
Wd+1 Wd Wd+1 Wd
++B(594)
Wd
Wd : Word
Wd Wd