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Programming > Forth > Re: Separated h...
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Re: Separated headers

by Bruce McFarling <agila61@[EMAIL PROTECTED] > Apr 21, 2008 at 08:10 AM

On Apr 21, 10:38 am, m_l_g3 <m_l...@[EMAIL PROTECTED]
> wrote:
> An alternative is
> : N-HERE N-DP @[EMAIL PROTECTED]
 ;;
> : N-ALLOT N-DP +! ;
> etc.

> I do not know which one is best (a global switch or wordset
> duplication).

If the header space is only used for headers, and builds down toward
the codespace, would you need an N-ALLOT? For ALLOT-HEADER, it looks
to me like maybe you just need LAST-NAME and THIS-NAME ...

: ALLOT-HEADER ( -- ) LAST-NAME @[EMAIL PROTECTED]
 HEADER-SIZE - THIS-NAME ! ;

.... with mingled headers, maybe ...

: ALLOT-HEADER ( -- ) HERE THIS-NAME ! HEADER-SIZE ALLOT ;

.... but I'll note that hForth has a compact wordset that works for
both mingled and separate headers, so if doing it from scratch, I'd
use that wordset.
 




 17 Posts in Topic:
Separated headers
"Maki" <vese  2008-04-21 12:48:29 
Re: Separated headers
Alex McDonald <blog@[E  2008-04-21 05:30:01 
Re: Separated headers
"Maki" <vese  2008-04-21 20:39:04 
Re: Separated headers
Alex McDonald <blog@[E  2008-04-21 14:38:54 
Re: Separated headers
"Maki" <vese  2008-04-22 00:45:13 
Re: Separated headers
m_l_g3 <m_l_g3@[EMAIL   2008-04-21 07:38:58 
Re: Separated headers
Bruce McFarling <agila  2008-04-21 08:10:01 
Re: Separated headers
"Maki" <vese  2008-04-21 20:27:24 
Re: Separated headers
"Maki" <vese  2008-04-21 21:02:18 
Re: Separated headers
mark4 <i440r@[EMAIL PR  2008-04-21 19:54:54 
Re: Separated headers
"Maki" <vese  2008-04-22 09:33:23 
Re: Separated headers
m_l_g3 <m_l_g3@[EMAIL   2008-04-24 04:35:50 
Re: Separated headers
"Maki" <vese  2008-04-25 11:11:51 
Re: Separated headers
Albert van der Horst <  2008-04-22 18:49:34 
Re: Separated headers
"Mark W. Humphries&q  2008-04-28 03:10:28 
Re: Separated headers
Coos Haak <chforth@[EM  2008-04-28 20:24:51 
Re: Separated headers
"Mark W. Humphries&q  2008-04-28 16:25:31 

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tan12V112 Sat Oct 11 5:55:35 CDT 2008.