Re: use of variable in zeropage on a CBM 8032

From: André Fachat <afachat_at_gmx.de>
Date: Fri, 15 Nov 2019 09:54:32 +0100
Message-ID: <16e6e456540.27ff.b4d1f2b66006003a6acd9b1a7b71c3b1_at_gmx.de>
Am 14. November 2019 21:27:34 schrieb didier_at_aida.org:

> Hi
>
>
>
>
> I need 4 x  2 bytes in zero pages to use for indirect index, Y
> in the zero page of a cbm 8032...

What are you going to do while using them?

>
>
> I checked the "pet revealed"
> I tried several location an got conflicts

If you don't use floating points you could use the FAC and other float
registers (IIRC they are in zp, right?)

>
>
> any idea on the location I can safely use ?

It really depends on what you while you use these memory locations

>
>
> (the original content is saved on entry and restored on exit)
>
>
> thanks

André
Received on 2020-05-29 23:38:11

Archive generated by hypermail 2.3.0.