Assembly Language for Beginners

1.22. MANIPULATING SPECIFIC BIT(S)

OllyDbg

Let’s load this example into OllyDbg. Let the input value be0x12345678.

Fori= 1, we see howiis loaded intoECX:

Figure 1.98:OllyDbg:i= 1,iis loaded intoECX

EDXis 1.SHLis to be executed now.