[A83] Re: Special Ram Areas 2


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[A83] Re: Special Ram Areas 2




>At 17:04 2001-11-05, you wrote:
>>Thanks, for all the suggestions of error checking.
>>But now, I have another question: where can I find a 'relatively' safe
>>2-byte place in ram to store a mem pointer?
>
>If nowhere else, wouldn't the bottom of the stack be very safe?

Hey, that looks like a good idea.

>move up everything on the stack, modify the stackpointer and store it where
>the stack usually starts.
>If there isn't more uggly code on the system, it should be safe.
>Is this sane? is this something usually used? I don't know, It just popped
>into my head.
>maybe there is better places.

Something like this code?

    push sp
    ...
hehehe well this would not work of course...

    ld hl,sp
    ld bc,400d
    sub hl,bc        ;--> doesn't exist!? Can sbc hl,bc be used?
    ld a,xx
    ld (hl),a
    inc hl \ ld a,yy \ ld (hl),a

>///Olle
>
>
>