6.34.2 Status Register (SREG) and Boolean Formula


I	T	H	S	V	N	Z	C
–	–	–	⇔	0	⇔	⇔	–

S

N ⊕ V, for signed tests.

V

Cleared.

N

Set if MSB of the result is set; cleared otherwise.

Z

R7 ∧ R6 ∧ R5 ∧ R4 ∧ R3 ∧ R2 ∧ R1 ∧ R0

Set if the result is 0x00; cleared otherwise.

R (Result) equals Rd after the operation.

Example:

      cbr   r16,0xF0  ; Clear upper nibble of r16
      cbr   r18,1     ; Clear bit 0 in r18