Subject: [stella] Okay, newbie here. . . From: "Murphree, Mark " <Mark.Murphree@xxxxxxxxxx> Date: Thu, 25 Feb 1999 19:53:57 -0500 |
Hi guys! ??? I just discovered Stella programming a couple of weeks ago.? My imagination was sparked because I've owned an Atari 2600 since I was . . . about 6, I think.? I've always wanted to write games for it.? Anyway, I've downloaded DASM, compiled "How to draw a playfield," etc. and I feel pretty good about my learning curve.? I'm picking up on this "assembly" thing a lot faster than I did C++.? I have a few questions, though. ??? 1.? What does the line "org $F000" do?? It's one of the few lines that aren't commented. ??? 2.? What's the difference between a "register" and an "address?" ??? 3.? In Nick Bensema's "How to draw a playfield," under "Vertical Blank," it mentions machine cycles and includes the equation 37*76=2888.? Now, my calculator says 2812 every time I punch it in.? Was this just a typo, or am I missing something? ? Thanks, and I appreciate the support you all are giving all of us hobbyist coders (I'm actually a college English major -- how's that for a combination?) ? Mark Murphree Asbury College mark.murphree@xxxxxxxxxx -- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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