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sarospa / arachNES

"Average NES emulator contains 3 spiders" factoid actually just statistical error...
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Galaxian: The tops of the aliens at the top of the screen are messed up in demo mode #11

Closed sarospa closed 7 years ago

sarospa commented 7 years ago

During the Galaxian demo, the tops of the aliens at the top of the screen flicker back and forth between being correct and being in the wrong place. This looks like it might be a problem with how the game modifies the scroll, but it's surprising that it occurs only in the demo mode. This may be a timing problem, which I don't really like the idea of digging into. But if it affects the game, it should be looked at eventually.

sarospa commented 7 years ago

As I kinda suspected, increasing cycle count accuracy seems to have made this one go away. Seems like lots of little dangling issues have been fixed just by generally improving accuracy.