Chapter 9 XGATE (S12XGATEV2)
MC9S12XDP512 Data Sheet, Rev. 2.11
Freescale Semiconductor 467
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
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.
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