Omron CP1E CPU UNIT SOFTWARE - Page 370

Appendices
A-16
CP1E CPU Unit Software User’s Manual(W480)
ONE DIGIT
SHIFT LEFT
SLD @ Shifts data by one digit (4 bits) to the left.
ONE DIGIT
SHIFT RIGHT
SRD @ Shifts data by one digit (4 bits) to the right.
SHIFT N-BITS
LEFT
NASL @ Shifts the specified 16 bits(NASL) or 32 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
SLD(074)
St
E
St: Starting word
E: End word
ESt
Lost
SRD(075)
St
E
St: Starting word
E: End word
ESt
Lost
NASL(580)
D
C
D: Shift word
C: Control word
Shift n-bits
Lost
N bits
Contents of
"a" or "0"
shifted in
15 8 011 712
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 8 011 712
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(582)
D
C
D: Shift word
C: Control word