MC9S12XD256CAG Datasheet, PDF (275/1348 Pages) Freescale Semiconductor, Inc – MC9S12XDP512 Data Sheet

SEX
Sign Extend Byte to Word
Chapter 6 XGATE (S12XGATEV2)
SEX
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
NZVC
∆ ∆ 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.
Code and CPU Cycles
Source Form
SEX RD
Address
Mode
MON
00000
Machine Code
Cycles
RD 1 1 1 1 0 1 0 0
P
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
275