beautypg.com

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

Page 99

background image

75

CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS

7.4

ADDC (Add Word Data of Source Register and Carry Bit to
Destination Register)

Adds the word data in "Rj" to the word data in "Ri" and carry bit, stores results to "Ri".

ADDC (Add Word Data of Source Register and Carry Bit to Destination Register)

Assembler format:

ADDC Rj, Ri

Operation:

Ri + Rj + C

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 :

Set when an overflow has occurred as a result of the operation, cleared otherwise.

C :

Set when a carry has occurred as a result of the operation, cleared otherwise.

Execution cycles:

1 cycle

Instruction format:

Example:

ADDC R2, R3

N

Z

V

C

C

C

C

C

MSB

LSB

1

0

1

0

0

1

1

1

Rj

Ri

R2

R3

1 2 3 4

5 6 7 8

8 7 6 5

4 3 2 0

N Z V C

CCR

R2

R3

CCR

0 0 0 1

N Z V C

1 0 0 0

9 9 9 9

9 9 9 9

1 2 3 4

5 6 7 8

Before execution

After execution

Instruction bit pattern : 1010 0111 0010 0011