Re: what is Hex?
- From: "Marlon Brandão de Sousa" <splyt.lists@xxxxxxxxx>
- To: programmingblind@xxxxxxxxxxxxx
- Date: Fri, 15 Feb 2008 14:12:05 -0300
Are you serious about Sina being 22 years old only? Man I have seen
people who have studied computers for many more than this quantity of
years and don't seen to know a half of what Sina knows easily ...
Marlon
2008/2/15, Chris Hofstader <chris.hofstader@xxxxxxxxxxx>:
> God Sina, you bring back memories of Z80 and needing to "poke" instructions
> and data into memory before execution. I would have thought you, who was
> born in 1986 would never had to get to that level. Personally, I think it's
> a really valuable exercise even if one never actually needs to use it in a
> "real" program just to get a better understanding of what a processor "sees"
> and how base 16 numbers can be turned into both instructions and data
> depending upon how the processor looks at them.
>
> In the network edition of "Bank Street Writer" a word processing program
> written entirely in assembly, that was pretty popular in the years before
> you learned to talk, I added a function called, "DON'T_CALL_THIS." If you
> did call it the program would crash as the instructions looked random. If,
> however, you looked at the last handful of bytes of the program as ASCII, it
> read "FSMITHISAWORM." Frank Smith, a really great guy, was the client on
> the gig and we decided to immortalize him in an Easter Egg that only an
> ubergeek could find.
>
> Now, just for shits and giggles, try to reconstruct the function in 80x86
> assembly and receive the truly wasted chunk of time award.
>
> cdh
>
> -----Original Message-----
> From: programmingblind-bounce@xxxxxxxxxxxxx
> [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Sina Bahram
> Sent: Thursday, February 14, 2008 9:28 PM
> To: programmingblind@xxxxxxxxxxxxx
> Subject: RE: what is Hex?
>
> *smile*, wlel actually, if you really want to get down to it ... it can be.
>
> Assembler compiles down to executable instructions to the processor, which
> are most often and most easily read in hex.
>
> I used to know almost all of the 8086 instructions and some of their hex
> equivalents a while back. It's really useful when analysing exploit and
> virus code.
>
> Take care,
> Sina
>
>
>
> -----Original Message-----
> From: programmingblind-bounce@xxxxxxxxxxxxx
> [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Alex Hall
> Sent: Thursday, February 14, 2008 8:47 PM
> To: programmingblind@xxxxxxxxxxxxx
> Subject: re: what is Hex?
>
> Right, but it almost sounds like some sort of programming language.
>
> Have a great day,
> Alex
>
> > ----- Original Message -----
> >From: Joseph Lee <joseph.lee22590@xxxxxxxxxxxx
> >To: programmingblind@xxxxxxxxxxxxx
> >Date sent: Thu, 14 Feb 2008 17:27:12 -0800
> >Subject: re: what is Hex?
>
> >Hi Alex,
> >It's a shortened form of hexadecimal.
> >Cheers,
> >Joseph
>
> >> ----- Original Message -----
> >>From: Alex Hall <mehgcap@xxxxxxx
> >>To: programmingblind@xxxxxxxxxxxxx
> >>Date sent: Thu, 14 Feb 2008 20:18:21 -0500
> >>Subject: what is Hex?
>
> >>Hi all
> >>Whatis this Hex that has been talked about
> >recently?
>
> >>Have a great day,
> >>Alex
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--
When you say "I wrote a program that crashed Windows," people just
stare at you blankly and say "Hey, I got those with the system, for
free."
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