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Re: Using xt's
From: |
Anton Ertl |
Subject: |
Re: Using xt's |
Date: |
Fri, 16 Feb 2024 19:21:56 +0100 |
On Fri, Feb 16, 2024 at 11:48:19AM -0600, Patrick Fitzpatrick wrote:
> Hi gang,
> ;
>
> I haven't used execution tokens in many years (F-83 timeframe).
>
> What I want to do is build a jump table like this:
>
> create t 5 allot
>
> : t1 ." t1" cr
> : t2 ." t2 " cr ;
>
> ' t1 t 0 + !
> ' t2 t 1 + !
>
> Then to execute t2, I would:
> t 1 + @ execute
>
> Is this correct?
Not quite. Each xt consumes a cell, so you have to do
create t 5 cells allot
and later use
1 cells +
instead of
1 +
to get to the place for t2
- anton