CHAPTER 19. MANIPULATING SPECIFIC BIT(S) CHAPTER 19. MANIPULATING SPECIFIC BIT(S)
ANDsetsZFto 1, which implies that the input value (0x12345678) ANDed with 2 results in 0:
Figure 19.7:OllyDbg:i= 1, is there that bit in the input value? No. (ZF=1)So, there is no corresponding bit in the input value. The piece of code, whichincrementsthe counter is not to be executed:
theJZinstructionbypassing it.