Thanks Kenton, Drew and Wouter
I think it was a kind of misunderstanding, my code is not involved,
i just need Turbo C to get some basics apps to test my bios code.
This is just Turbo C that doesn't work. Kenton has the same problem
with TurboC 3.0.
btw i use bcc, just as Kevin's bios.
Drew Nothup wrote
>
> If you look closely (and know anything about the nitty-gritty of the
> IA-Px processor architecture) you will notice that the current extended
> instruction pointer (eip) is set to 0x10001h (which is outside of the
> code segment 0xc000h). Real mode code (ie, a VGA BIOS) needs to all
> either:
> 1) be in the same segment,
> 2) have the proper code included to change segments & instruction
> pointers when needed .
> Why your code would be jumping outside of a 64KB segment isn't something
> that I should take time to theorize about yet, since I don't know much
> about the guts of your code--but I can tell you that it'd have to be one
> big BIOS to be needing to jump that far!!!
>
> The most useful fix would be to fix your code so that it stays in the
> code segment, at least until there is some other way (and your assembler
> doesn't need to be as optimised). In any case, it isn't the addb that is
> the problem (itself anyway).
>
> I would try using something not written to create DOS executables, gcc
> for example. You may have better luck with one of those packages.
--
Christophe.
