Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos

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SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

APSR

Access: Read-write

Reset: 0x000000000

The APSR contains the current state of the condition flags from previous instruction executions.

0: Operation result was positive, zero, greater than, or equal

1: Operation result was negative or less than.

0: Operation result was not zero

1: Operation result was zero.

Carry or borrow flag:

0: Add operation did not result in a carry bit or subtract operation resulted in a borrow bit

1: Add operation resulted in a carry bit or subtract operation did not result in a borrow bit.

0: Operation did not result in an overflow

1: Operation resulted in an overflow.

Sticky saturation flag:

0: Indicates that saturation has not occurred since reset or since the bit was last cleared to zero

1: Indicates when an SSAT or USAT instruction results in saturation.

This bit is cleared to zero by software using an MRS instruction.

See 

 for more information.

31

30

29

28

27

26

25

24

N

Z

C

V

Q

–

23

22

21

20

19

18

17

16

–

GE[3:0]

15

14

13

12

11

10

9

8

–

7

6

5

4

3

2

1

0

–