Re: 17xx Routine Help

From: Nick Vivid <*nickvivid_at_gmail.com*> Date: Wed, 12 Oct 2016 04:59:01 -0400 Message-ID: <CAHpuqAE2b=4aRZ9TNOz5CDok_s-dfOwh6dvgN-XCKhebL9J5+w@mail.gmail.com> · nickvivid_at_gmail.com

That did it! Thanks for seeing what my eyes glanced over :)

On Oct 12, 2016 1:44 AM, "Marko Mäkelä" <msmakela@gmail.com> wrote:

> On Tue, Oct 11, 2016 at 11:57:33PM -0400, Nick Vivid wrote:
>
>> Is there anything I'm obviously doing wrong in this routine?
>>
>
> Yes:
>
>   reutoc642 lda #$b1
>>            sta $fd01
>>
>
> $fd01 is not a magic address recognized by the REU. Maybe you meant $df01,
> which was used elsewhere in the program.
>
> IIRC, apart from the $dfxx range, the REU is also sensitive for writes to
> $ff00, to allow convenient bank selection with the C128 MMU.
>
> A long time ago, I wrote some REU routines for cbmlink. You can have a
> look at cbmlink/cbmsrc/mem/reubase.s.
>
>         Marko
>
>       Message was sent through the cbm-hackers mailing list
>

       Message was sent through the cbm-hackers mailing list