Re: [colorforth] OkadWork.cf disassembled

[Nick Maroudas <alice@xxxxxxxxxxxxxxxxxxxxxxx>]

Many thanks, John.
Baie dankies, Albert. 

Caritas, 

Nick



Quoting John Comeau <jc@xxxxxxxxxxxx>:

>... " For those of you itching to get a native-booting version
>... " of
>... " OkadWork.cf, and haven't been able to make a disassembly
>... " that reliably
>... " reassembles back to the boot code of OkadWork, check
>... " out
>... " http://unternet.net/cf2/. I'm not sure I got the
>... " non-code sections all
>... " separated out, but I've verified that the disassembly
>... " made with
>... " Albert's cidis compiles to an identical binary (.bin vs
>... " .cfboot) using
>... " cias. So as long as you change code in such a way as not
>... " to mess up
>... " any offsets, by making your changes fit the same space
>... " as the original
>... " code (check with cmp -l, as in the Makefile), you can
>... " test different
>... " video modes and such. Thanks to Albert van der Horst for
>... " the new
>... " release of ciasdis!
>... " 
>... " For those to whom all of this is gobbledygook:
>... " OkadWork.cf is the
>... " latest version of ColorForth, released by Intellasys in
>... " 2008,
>... " superceding the 2001 binary from colorforth.com and the
>... " 2005 binary
>... " contributed by Jeff Fox. The programs "cias" and "cidis"
>... " are the
>... " "computer intelligence" tools from Albert van der Horst,
>... " symlinks to
>... " ciasdis. They assemble and disassemble 80x86 code in a
>... " symmetric
>... " manner, such that what you disassemble can be reliably
>... " reassembled to
>... " every exact bit and byte. The syntax takes some getting
>... " used to, but
>... " is well documented in the Lina (ciforth for linux)
>... " postscript and PDF
>... " docfiles.
>... " 
>... " If you're still lost: make some effort to see what's
>... " going on, then
>... " reply to me or to the list with specific questions.
>... " Thanks!
>... " -- 
>... " John Comeau <jc@xxxxxxxxxxxx> http://jc.unternet.net/
>... " "A place for everything, and everything
>... " all over the place"
>... " 
>... " ... " Main web page - http://www.colorforth.com
>... " 
>... " 


-- 
Dr Nicolas George Maroudas
Avigdor Meiri 9/1 
Sea View 
Haifa 3 55 00 
Israel 
Tel +972 048 337 315 

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