Subject: RE: [stella] Gravity Ball v014 - Please help! From: "Dennis Debro" <ddebro@xxxxxxxxxxxxx> Date: Tue, 3 Jun 2003 21:51:06 -0400 |
Hi Rob, > Please find attached the source code and binary for the current version of > Gravity Ball. Its not much yet. There are no controls just a looping > visual demo. I want to show this demo at the Midwest Classic this > Saturday. I need some help getting it debugged. As pointed out already Z26 reports 260 scan lines for the title and 282 for the game display. If you changed lines 1201 and 1230 to ldy #3 you'll get 262 lines. The screen jumps a little when switching from the title and the game screen too. You seem to be doing a lot during the vertical sync. This is a debate that's been going on for sometime. It seems some consoles are more sensitive than others to this behavior. I would recommend you moving these computations out of the vertical sync and doing them during the vertical blank. Some have been able to do computations during vertical sync with no problems but other haven't. Since you don't know how the machine running your demo will respond, it's probably best to move it out. In the game display the top part of the screen moves down (sort of like 2 reverse mountains). Is this behavior wanted? I've attached a screen shot of what I'm talking about. I haven't played on my CC, sorry. I only had time to run it in the emulator. Good luck on getting this done in time and I look forward to seeing the finished game. Take care, Dennis ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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