Chapter 10 XGATE (S12XGATEV3)
MC9S12XE-Family Reference Manual , Rev. 1.19
422
Freescale Semiconductor
Operation
~RS
⇒
RD (translates to XNOR RD, R0, RS)
~RD
⇒
RD (translates to XNOR RD, R0, RD)
Performs a one’s complement on a general purpose register.
CCR Effects
Code and CPU Cycles
COM
One’s Complement
COM
N
Z
V
C
∆
∆
0
—
N:
Set if bit 15 of the result is set; cleared otherwise.
Z:
Set if the result is $0000; cleared otherwise.
V:
0; cleared.
C:
Not affected.
Source Form
Address
Mode
Machine Code
Cycles
COM RD, RS
TRI
0
0
0
1
0
RD
0
0
0
RS
1
1
P
COM RD
TRI
0
0
0
1
0
RD
0
0
0
RD
1
1
P
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages