Re: mov instruction
Hendrik Visage <[email protected]> Thu, 7 Feb 2013 15:57:37 +0200
| Newsgroups | org.kernel.vger.linux-assembly |
|---|---|
| Message-ID | <CADtGFv=CY+wFMRgzsrp3wcspMEhUYnCKSpQz6vfHJYhTUbVXBQ@mail.gmail.com> |
On Thu, Feb 7, 2013 at 5:57 AM, horseriver <[email protected]> wrote: > hi:) > > Is here a suitable place to post topics about hardware technology? > > I am curious about how mov work. > Why it can not move data from a mem adress to another adress in one instruction. > in this form : mov (eax), (ebx) That is what the (rep) movs(b/w) etc. operation(s) are designed for these "string copy" operations. the old 8086 had those running between es:di and ds:si as the registers for this.