Subject: RE: [stella] Jawbreaker disassembly From: "Dennis Debro" <dennis@xxxxxxxxxxxxxxx> Date: Mon, 17 Jan 2005 08:14:10 -0500 |
Hi Thomas, > Great! Thanks! I hope it's accurate enough. > That's really sad. Any idea why Atari did so? This one was released by Tigervision. I don't know why they did this. I went back through my ROMs and all the PAL versions I have didn't adjust the speed. The [p1][!] version has it's colors adjusted. They also adjusted the VBLANK_TIME and OVERSCAN_TIME. In the [!] version (the one I used) the screen jumps when in the attract mode color cycling where the [p1][!] version doesn't. They adjusted the VBLANK_TIME to 66 and the OVERSCAN_TIME to 59 in this version. > Have you tried to make a better PAL version? No, I just went for an exact disassembly here. To do this I think another routine would have to be used. Right now the MSB is used to determine the frame rate so the value in the current routine can't go over 15. Take care, Dennis
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