Siemens C16 Series Instruction Set Manual page 115

XORB
Syntax
Operation
Data Types
Description
Condition Flags
Addressing Modes
Semiconductor Group
30Mar98@15:00h
Logical Exclusive OR
XORB op1, op2
(op1) ← (op1) ⊕ (op2)
BYTE
Performs a bitwise logical EXCLUSIVE OR of the source operand speci-
fied by op2 and the destination operand specified by op1. The result is
then stored in op1.
E Z
* *
E Set if the value of op2 represents the lowest possible negative number.
Cleared otherwise. Used to signal the end of a table.
Z Set if result equals zero. Cleared otherwise.
V Always cleared.
C Always cleared.
N Set if the most significant bit of the result is set. Cleared otherwise.
Mnemonic
XORB Rb , Rb
n m
XORB Rb , [Rw
n
XORB Rb , [Rw
n
XORB Rb , #data3
n
XORB reg, #data16
XORB reg, mem
XORB mem, reg
C166 Family Instruction Set
V C N
0 0 *
Format
51 nm
] 59 n:10ii
i
+] 59 n:11ii
i
59 n:0###
57 RR ## xx
53 RR MM MM
55 RR MM MM
115
Instruction Description
XORB
Version 1.2, 12.97
Bytes
2
2
2
2
4
4
4