Chapter 9 XGATE (S12XGATEV2)
MC9S12XDP512 Data Sheet, Rev. 2.11
442 Freescale Semiconductor
Operation
~RSRD (translates to XNOR RD, R0, RS)
~RDRD (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
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
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