assembly - What x86 register denotes source location in movsb instruction? -


what x86 register denotes source location in movsb instruction?

in 32-bit mode, esi.

in specific, movsb copies 1 byte ds:esi es:edi, adjusts both esi , edi 1, either or down depending on direction flag.


Comments

Popular posts from this blog

ASP.NET/SQL find the element ID and update database -

jquery - appear modal windows bottom -

c++ - Compiling static TagLib 1.6.3 libraries for Windows -