Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers...

Newsgroups	comp.lang.forth
Date	2013-04-22 08:36 -0700
References	<eb60b3e1-b203-4589-a1be-e80a161005ea@googlegroups.com> <1o3ftp855g01z.mpoeumil4ssc.dlg@40tude.net> <Lf-dnS7HtJZevunMnZ2dnUVZ_vednZ2d@supernews.com> <1dd9f8f9-4234-4521-882b-11377df0e3e4@googlegroups.com> <31922136-f70c-42ec-b53d-e3a0e4540a26@s9g2000vba.googlegroups.com>
Message-ID	<0d33de6d-c53b-4ef2-8cfb-8a2af1af4b99@o9g2000vbk.googlegroups.com> (permalink)
Subject	Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers...
From	Alex McDonald <blog@rivadpm.com>

Show all headers | View raw

On Apr 22, 10:21 am, Alex McDonald <b...@rivadpm.com> wrote:
> On Apr 21, 10:43 pm, AKE <assadebrahim2...@gmail.com> wrote:
>
>
>
>
>
>
>
>
>
> > On Sunday, April 21, 2013 6:37:07 PM UTC+1, Andrew Haley wrote:
> > > Coos Haak wrote:
>
> > > > Use of the return stack to move edx out of the way, resulting in simpler
> > > > and shorter code.
>
> > > Do you really have to adjust ebp?  Why not
>
> > >        mov -4 [ebp], edx
>
> > Andrew
>
> > That's even better.
>
> > Had tried syntax like [ebx+4] but found that W32F assembler didn't recognise it so broke it into two steps, first subtract, then mov.
>
> > So it's postfix in the assembler as well?  I should have guessed... it's a FORTH assembler after all.
>
> > Thanks for that,
>
> > - Assad
>
> The format of a Win32Forth assembler memory reference is  n [base]
> [index]  where the registers [base] and [index] are optional. This is
> the syntax for [ebp+4]; mov eax , -4 [ebx]
.-----------------------------------^

Duh. mov eax , 4 [ebx]

Back to comp.lang.forth | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... AKE <assadebrahim2000@gmail.com> - 2013-04-19 18:21 -0700
  Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... "Rod Pemberton" <do_not_have@notemailnotq.cpm> - 2013-04-21 01:27 -0400
    Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... AKE <assadebrahim2000@gmail.com> - 2013-04-21 04:57 -0700
      Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... "Rod Pemberton" <do_not_have@notemailnotq.cpm> - 2013-04-21 11:39 -0400
        Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-21 09:53 -0700
          Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... AKE <assadebrahim2000@gmail.com> - 2013-04-21 14:47 -0700
            Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-22 02:17 -0700
  Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Coos Haak <chforth@hccnet.nl> - 2013-04-21 17:34 +0200
    Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Coos Haak <chforth@hccnet.nl> - 2013-04-21 17:42 +0200
    Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-21 12:37 -0500
      Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-21 10:53 -0700
        Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-22 03:24 -0500
          Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-22 02:49 -0700
          Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-04-22 10:06 +0000
            Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-22 07:35 -0500
              Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-04-22 13:12 +0000
                Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-22 10:01 -0500
              Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-22 08:33 -0700
                Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-22 11:34 -0500
                Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-23 03:27 -0700
        Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... "Rod Pemberton" <do_not_have@notemailnotq.cpm> - 2013-04-23 17:42 -0400
          Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-24 03:00 -0500
      Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... AKE <assadebrahim2000@gmail.com> - 2013-04-21 14:43 -0700
        Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-22 02:21 -0700
          Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-22 08:36 -0700
            Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... Alex McDonald <blog@rivadpm.com> - 2013-04-22 08:39 -0700
              Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... AKE <assadebrahim2000@gmail.com> - 2013-04-22 13:55 -0700
    Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... AKE <assadebrahim2000@gmail.com> - 2013-04-21 14:39 -0700
  Re: Stack Interface between x86 Assembler & Forth -- technique when running out of unprotected registers... albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-04-21 21:00 +0000

csiph-web