[OpenBIOS] Defining ." and "

[Segher Boessenkool]

> HERE+ seems to do what ALLOT is supposed to do, is that right?

ALLOT has some additional alignment restrictions;  HERE+ just
adjusts the dictionary pointer.

> I looked into the code and it seems a bit unclear to me. HERE
> should be like : HERE DP @ ;
> As HERE is a prim word, and DP is not visible from outside, I looked
> into the code and found:
> 
> code_HERE:
> {
>         (++dp)->a = interpreter->here;
>         NEXT;
> }
> 
> code_HERE_X2b:
> {
>         interpreter->here += (dp--)->n;
>         NEXT;
> }
> 
> Looks like "dp" what is called SP/TOS, whereas &(interpreter->here) is
> DP. Is this right? We should comment this or rename to a more intuitive
> name scheming...

"dp" is the Data stack Pointer, "rp" is the Return stack Pointer, "here"
is the dictionary pointer.

> Using HERE+ for ALLOT did not solve the problem overwriting the text.
> Any ideas?

See my previous mail.


Segher

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