Re: [stella] JoustPong on the home stretch

Subject: Re: [stella] JoustPong on the home stretch
From: "Eckhard Stolberg" <Eckhard_Stolberg@xxxxxx>
Date: Tue, 2 Mar 2004 22:27:15 +0100
> So, I have a curious bug maybe people can look at--but 
> only in Z26 (my ROM totally blows up in StellaX -- is 
> that because of Thomas's SLEEP Macro, or what?) 

I think the SLEEP macro uses undocumented opcodes in it's
default state. StellaX doesn't support these. There should
be a compiler switch that you can define to make the macro
compile to only normal opcodes instead.

> When the user hits Select in Z26 to return to the title
> screen, the music starts going nuts and starts listing a 
> huuuge framerate. It plays fine, and I can't duplicate the 
> problem via supercharger on my 2600.

Can you reproduce it reliably on the emulator? When I try
hitting SELECT in your game, the sound plays just fine in z26.
But while working on the next version of z26 I had some situations,
where it seemed as if there was an echo in the sound. Maybe
the sound buffers get played twice or something. I can't figure
out what triggers this, so it's a little difficult to find out
what's going wrong.

Is this what you are hearing, and do you have any idea how to
trigger this? That would help me to find the bug in z26 and to
fix it.


Ciao, Eckhard Stolberg

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