Skip site navigation (1)Skip section navigation (2) 
Date:      Thu, 28 Nov 1996 15:50:35 +1100
From:      Bruce Evans <bde@zeta.org.au>
To:        Christian.Gusenbauer@utimaco.co.at, freebsd-current@freebsd.org
Cc:        Christian.Gusenbauer@safeconcept.utimaco.co.at
Subject:   Re: Dosboot and bcc
Message-ID:  <199611280450.PAA11335@godzilla.zeta.org.au>
index | next in thread | raw e-mail 

>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
help

Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199611280450.PAA11335>