Datasheet

Instruction Set

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3.4.6.51 XOR

XOR[.W] Exclusive OR of source with destination

XOR.B Exclusive OR of source with destination

Syntax XOR src,dst or XOR.W src,dst

XOR.B src,dst

Operation src .XOR. dst → dst

Description The source and destination operands are exclusive ORed. The result is placed into the

destination. The source operand is not affected.

Status Bits N: Set if result MSB is set, reset if not set

Z: Set if result is zero, reset otherwise

C: Set if result is not zero, reset otherwise ( = .NOT. Zero)

V: Set if both operands are negative

Mode Bits OSCOFF, CPUOFF,and GIE are not affected.

Example The bits set in R6 toggle the bits in the RAM word TONI.

XOR R6,TONI ; Toggle bits of word TONI on the bits set in R6

Example The bits set in R6 toggle the bits in the RAM byte TONI.

XOR.B R6,TONI ; Toggle bits of byte TONI on the bits set in

; low byte of R6

Example Reset to 0 those bits in low byte of R7 that are different from bits in RAM byte EDE.

XOR.B EDE,R7 ; Set different bit to "1s"

INV.B R7 ; Invert Lowbyte, Highbyte is 0h

114

CPU SLAU144J–December 2004–Revised July 2013

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