Re: REFILL and SOURCE use in SWIFTX

Hi Ron
Thanks for your response.
I fixed the problem and it was a memory access problem as you stated. I delayed doing the second pass until after The debug had downloaded the code. At this point in time I am able to work in the target space exclusively and there is no problem!

Ken B

>You didn't post enough code to compile your snippet (>ENERGY is
>missing,) but your problem most likely has to do with memory access.
>The error message
>
>Address 130A7A is not valid for this section type Ac227 1109.2
>At line 20 in C:\ForthInc\SwiftX\Src\68K\GN32\L2413ATTENFIX6.F
>
>comes from attempting to access inaccessible target memory at compile
>time...in this case, probably from passing a host address to target
>memory operators.
>
>Colon definitions in INTERPRETER scope use target memory operators @, !,
>etc., not host memory operators. This is the most useful arrangement,
>as most INTERPRETER colon definitions are for manipulating the target
>image, such as CREATE ... DOES> words. When compiling in INTERPRETER,
>you have to use @(H), !(H), etc. or scope modifications such as [+HOST]
>... [PREVIOUS] to access host memory.
>
>Interpreting in INTERPRETER doesn't have the same dictionary search
>order as compiling in INTERPRETER, so you can't "hand-walk" INTERPRETER
>definitions the way you can TARGET ones. But you can hand-walk HOST
>definitions just like you'd expect, so if you have a lot of work to do
>on the host, it's easiest to get the work done in HOST, and keep the
>INTERPRETER interfacing words to a minimum.
>
>An example follows...hope this helps!
>
>
>--
>Ron Oliver
>Consulting Engineer
>FORTH, Inc.
>www.forth.com
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Dr. Kenneth B Butterfield

phone: 505 667 8944

PO Box 1663
ms J562
Los Alamos National Laboratory
Los Alamos New Mexico 87545

"I do not trust a computer that I am not carrying!"

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Received on Mon Jun 05 2006 - 15:35:17 PDT