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FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E User Manual

Page 123

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS

7.22

EOR (Exclusive Or Word Data of Source Register to
Destination Register)

Takes the logical exclusive OR of the word data in "Ri" and the word data in "Rj", stores
the results to "Ri".

EOR (Exclusive Or Word Data of Source Register to Destination Register)

Assembler format:

EOR Rj, Ri

Operation:

Ri eor Rj

(Ri)

Flag change:

N:

Set when the MSB of the operation result is "1", cleared when the MSB is "0".

Z:

Set when the operation result is "0", cleared otherwise.

V and C: Unchanged

Execution cycles:

1 cycle

Instruction format:

Example:

EOR R2, R3

N

Z

V

C

C

C

MSB

LSB

1

0

0

1

1

0

1

0

Rj

Ri

R2

R3

1 1 1 1

0 0 0 0

1 0 1 0

1 0 1 0

N Z V C

CCR

R2

R3

CCR

0 0 0 0

N Z V C

0 0 0 0

0 1 0 1

1 0 1 0

1 1 1 1

0 0 0 0

Before execution

After execution

Instruction bit pattern : 1001 1010 0010 0011