Re: [stella] Playfield Byte Mapping Patterns?

Subject: Re: [stella] Playfield Byte Mapping Patterns?
From: "Mark Graybill" <saundby@xxxxxxxxxxxx>
Date: Mon, 30 Sep 2002 07:52:26 -0700
Thanks, at least I know it's not just me. ;)

-Mark G.

----- Original Message -----
From: Roger Williams <mer02@xxxxxxxxxxxxx>
To: <stella@xxxxxxxxxxx>
Sent: Sunday, September 29, 2002 4:49 AM
Subject: Re: [stella] Playfield Byte Mapping Patterns?


> > Hello, all. This is my first post to the list.
>
> Welcome!
>
> > Is this the expected behavior?
>
> Yep, PF2 is backward.
>
> > Is there a way of making PF2 map the other way around, or do I need just
> > work with it as-is and mirror the bit pattern?
>
> You just have to deal with it.  Has to do with the way the shift registers
> are
> laid out in the TIA, to save silicon.  Just another of Stella's little
> touches
> of madness :-)
>
> --Roger Williams
>
>
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