6.78.2 Status Register (SREG) and Boolean Formula


I	T	H	S	V	N	Z	C
–	–	–	–	–	–	⇔	⇔

C

R15

Z

R15 ∧ R14 ∧ R13 ∧ R12 ∧ R11 ∧ R10 ∧ R9 ∧ R8∧R7 ∧ R6 ∧ R5 ∧ R4 ∧ R3 ∧ R2 ∧ R1 ∧ R0

Set if the result is 0x0000; cleared otherwise.

R (Result) equals R1,R0 after the operation.

Example:

      muls  r21,r20  ; Multiply signed r21 and r20
      movw  r20,r0   ; Copy result back in r21:r20