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XOR (eXclusive OR logical)
<Operation>
Rd ⊕ (EAs) → Rd
<Assembly-Language Format>
XOR <EAs>, Rd
<Examples>
XOR R0H, R1H
XOR #H'F0, R2L
<Operand Size>
Byte
<Description>
This instruction exclusive-ORs the source operand with the contents of an 8-bit general
register and places the result in the general register.
The source operand can be an 8-bit register value or immediate byte data.
<Instruction Formats>
Addressing
mode
Immediate
Register direct
Mnem.
Operands
XOR
#xx:8, Rd
XOR
Rs, Rd
<Condition Code>
I
— — — —
I: Previous value remains unchanged.
H: Previous value remains unchanged.
N: Set to "1" when the result is negative;
otherwise cleared to "0."
Z: Set to "1" when the result is zero;
otherwise cleared to "0."
V: Cleared to "0."
C: Previous value remains unchanged.
Instruction code
1st byte
2nd byte
D
rd
IMM
1
5
rs
rd
115
H
N
Z
3rd byte
4th byte
XOR
V
C
0
—
No. of
states
2
2
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