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Date: Thu, 21 Nov 1996 19:23:45 +1100
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199611210823.TAA09799@godzilla.zeta.org.au>
To: bde@zeta.org.au, Christian.Gusenbauer@utimaco.co.at
Subject: Re: cdrom boot?
Cc: Christian.Gusenbauer@safeconcept.utimaco.co.at,
        freebsd-current@freebsd.org, joerg_wunsch@uriah.heep.sax.de
Sender: owner-current@freebsd.org
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Precedence: bulk

>>         ; 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.

>How about libraries? Is it possible to link DOS libs and/or obj files?

No.

Bruce