RE: [stella] Stella 2.0 Alpha 2 available

Subject: RE: [stella] Stella 2.0 Alpha 2 available
From: "Fred Quimby" <c9r@xxxxxxxxxxx>
Date: Wed, 29 Jun 2005 11:18:57 -0400
>Fred, did you ever try exclusive OR instead of AND in your code?

No, but I did try replacing the values with random values instead of ANDing 
them, and while this indeed did some weird things, it wasn't very good at 
replicating known effects.

>I wonder whether the TIA scrambling actually affects the game state
>much. Seems like the TIA state is ephemeral, whereas persistent changes
>would involve RAM. Will try looping only over RAM and see what that does.

Yeah, you're right.  Reading then writing TIA regs probably doesn't do 
anything useful.

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