Reverse Engineering for Beginners

CHAPTER 13. SWITCH()/CASE/DEFAULT CHAPTER 13. SWITCH()/CASE/DEFAULT

0 is subtracted from 2 inEAX. Of course,EAXstill contains 2. But theZFflag is now 0, indicating that the resulting value is
non-zero:

Figure 13.2:OllyDbg:SUBexecuted