Assembly Language for Beginners

1.19. FLOATING-POINT UNIT

First OllyDbg example: a=1.2 and b=3.4

Let’s load the example into OllyDbg:

Figure 1.67:OllyDbg: firstFLDhas been executed

Current arguments of the function:a= 1: 2 andb= 3: 4 (We can see them in the stack: two pairs of 32-bit
values). b(3.4) is already loaded inST(0). NowFCOMPis being executed. OllyDbg shows the second
FCOMPargument, which is in stack right now.