[A83] Re: advanced stack-stuff

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: advanced stack-stuff
From: Ronald Teune <RTWolf@gmx.net>
Date: Wed, 19 Dec 2001 10:09:35 +0100 (MET)
References: <F16369fsyFD6miDgQce00008285@hotmail.com>
Reply-To: assembly-83@lists.ticalc.org


> 
> STUPID STACK EXAMPLE THAT'S PROBABLY CONFUSING AS HELL:
> 
> 
> Code1:
>   ld hl,4
>   push hl     ;Stack: 4
>   call Code2  ;Stack: 4, [return]
>   pop hl
>   ret
> 
> Code2:
>   pop hl  ;Stack: 4
>           ;hl= [return]
>   pop de  ;Stack: Empty
>           ;de= 4
>   ld de,Code3
>   push de ;Stack: Code3
>   ret     ;Ret returns to Code3, which was just pushed on the stack
> 
> Code3:
>   ld de,4096  ;Stack: Empty
>   push de     ;Stack: 4096,
>   push hl     ;Stack: 4096, [return]
>   ret         ;Returns way back to the first call, with a different

wouldn't this ret to 4096d?

>               ;HL value...
> 
> 
> 
> _________________________________________________________________
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> 
> 

-- 
    Ronald Teune @School
    http://www.zeekoe.cjb.net
    http://ti.zeekoe.cjb.net
    Anything that's good&useful is made of chocolats

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References:

[A83] Re: advanced stack-stuff

From: "Dan Weiss" <dwedit@hotmail.com>