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Date: Thu, 28 Nov 1996 15:50:35 +1100
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199611280450.PAA11335@godzilla.zeta.org.au>
To: Christian.Gusenbauer@utimaco.co.at, freebsd-current@freebsd.org
Subject: Re: Dosboot and bcc
Cc: Christian.Gusenbauer@safeconcept.utimaco.co.at
Sender: owner-current@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

>Now, I have problems with the as86 assembler. The DOS masm uses the
>following syntax:
>
>        mov word ptr es:[bx+4],ax
>
>what is the correct as86 syntax for segment prefixes?

Prefixes go on separate lines:

	seg	es
	mov	[bx+4],ax

You can use `word ptr' or better simply `word', but this is unnecessary
when the operand size is unique.

There are no mnemonics for operand size and address size prefixes.  These
are usually unnecessary.

See the examples in as/asm/*.

Bruce