Status Register (SREG) and Boolean Formula

I T H S V N Z C

Example:

 clr r27 ; Clear X high byte
 ldi r26,$60 ; Set X low byte to $60
 st X+,r0 ; Store r0 in data space loc. $60(X post inc)
 st X,r1 ; Store r1 in data space loc. $61
 ldi r26,$63 ; Set X low byte to $63
 st X,r2 ; Store r2 in data space loc. $63
 st -X,r3 ; Store r3 in data space loc. $62(X pre dec)
Words
1 (2 bytes)
Cycles
2
Cycles XMEGA

(i) 1

(ii) 1

(iii) 2

Cycles Reduced Core tinyAVR

(i) 1

(ii) 1

(iii) 2