eZ80
®
CPU
User Manual
UM007714-0908 CPU Instruction Set
369
XOR A, ir
Logical Exclusive OR
Operation
A ← A XOR ir
Description
The
ir
operand is any of the 8-bit registers IXH, IXL, IYH, or IYL. The
ir
operand is bit-
wise exclusive-ORed with the contents of the accumulator, A. The result is written to the
accumulator.
Condition Bits Affected
Attributes
S Set if result is negative; reset otherwise.
Z Set if result is 0; reset otherwise.
H Reset.
P/V Set if parity is even; reset otherwise.
N Reset.
C Reset.
Mnemonic Operand ADL Mode Cycle Opcode (hex)
XOR A,IXH X 2 DD, AC
XOR A,IXL X 2 DD, AD
XOR A,IYH X 2 FD, AC
XOR A,IYL X 2 FD, AD
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