Reverse Engineering for Beginners

CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT

Third step: the nextFLDwas executed, loading 3.4 intoST(0)(here we see the approximate value 3.39999...):

Figure 17.3:OllyDbg: secondFLDexecuted

At the same time,quotientis pushedintoST(1). Right now,EIPpoints to the next instruction:FMUL. It loads the constant
4.1 from memory, which OllyDbg shows.