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EOR
Operation:
Assembler
Syntax:
Attributes:
Description:
using the source operand and stores the result in the destination location. The source
operand must be a data register. The destination operand is specified in the effective
address field.
Condition Codes:
X
N
Z
—
*
*
X
Not affected.
N
Set if the most significant bit of the result is set. Cleared otherwise.
Z
Set if the result is zero. Cleared otherwise.
V
Always cleared.
C
Always cleared.
Instruction Format:
15
14
13
1
0
1
Instruction Fields:
Register field — Specifies any of the eight data registers.
Opmode field:
MOTOROLA
4-72
Exclusive OR
Source ⊕ Destination → Destination
EOR Dn, 〈ea〉
Size = (Byte, Word, Long)
Performs an exclusive OR operation on the destination operand
V
C
0
0
12
11
10
9
1
REGISTER
Byte
Word
000
001
INSTRUCTION SET
8
7
6
5
OPMODE
Long
Operation
(〈ea〉) ⊕ (〈Dn〉) → 〈ea〉
010
EOR
4
3
2
1
EFFECTIVE ADDRESS
MODE
REGISTER
REFERENCE MANUAL
0
CPU32
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