Chapter 10 XGATE (S12XGATEV3)
MC9S12XE-Family Reference Manual , Rev. 1.19
446
Freescale Semiconductor
Operation
The result in RD is the 16 bit sign extended representation of the original two’s complement number in the
low byte of RD.L.
CCR Effects
Code and CPU Cycles
SEX
Sign Extend Byte to Word
SEX
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
SEX RD
MON
0
0
0
0
0
RD
1
1
1
1
0
1
0
0
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