Subject: RE: [stella] CXM0P value on start up?? From: "Lee Fastenau" <stella@xxxxxxxxxxxxxxx> Date: Wed, 13 Jul 2005 02:45:26 -0400 |
> I read the thread on AA > (http://www.atariage.com/forums/index.php?showtopic=72310) where Ken let > us know that Alex Leavens was deceased. Later Bruce posted an interview > Alex did for a magazine. This got me a little curious in Alex's work. > > I ran Stargunner through Distella and I see Alex uses $00 for the START > vector and the BRK is set to the actual cart start up. Is this safe? If > the 2600 starts up in a random state as we believe it does then couldn't > CXM0P be set on power up? > > Is the dump I have accurate? Does he really jump to $00 on start up > expecting a BRK to occur? It seems dangerous to jump to $00 expecting it > to cause a BRK. Then again, I haven't read any reports of it not working > properly. If location $00 is non-zero, wouldn't the PC just trundle along executing random opcodes until it hit a BRK command? -Lee Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://stella.biglist.com
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