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Date: Thu, 21 Nov 1996 11:09:02 +0100
From: "DI. Christian Gusenbauer" <Christian.Gusenbauer@utimaco.co.at>
Organization: Utimaco Safe-Concept
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To: Bruce Evans <bde@zeta.org.au>
CC: Christian.Gusenbauer@safeconcept.utimaco.co.at,
        freebsd-current@freebsd.org
Subject: Re: cdrom boot?
References: <199611210823.TAA09799@godzilla.zeta.org.au>
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Bruce Evans wrote:
> 
> >>         ; Offsets are relative to sp so they are only easy to use on x86's
> >>         ; for x >= 3.
> >>                 mov     ax,_main.argc[sp]
> 
> This actually needs to use esp, since [sp] doesn't work on any x86.  Clear
> the high 16 bits of esp before using it and pray that interrupt handlers
> don't change them.

:)

> 
> >> >Does bcc support 32bit pointers/addresses (like
> >> >the 'far' masm statement)?
> >>
> >> No.  It only supports pure tiny and small models.
> >
> >So I have to generate the 32bit asm 'by hand' using 'db' statements.
> 
> I meant that the compiler doesn't support it.  The assembler supports
> all modes.

So I can use any x86 (where x >= 3) asm statement (mov's to cr0, ...) in
the inline assembler?

> 
> >How about libraries? Is it possible to link DOS libs and/or obj files?
> 
> No.

Is there any standard c library I can use (eg. to use printf, and file i/o)?

Thanks,
Christian.


--
Christian Gusenbauer
Christian.Gusenbauer@utimaco.co.at