Some time ago I noticed that if you don't take the pipe in 1-1 you will enter 1-2 exactly 145 frames later (compared to taking the pipe). But 145 is not divisible by 21. So my guess is that the framerule timer is also paused during pipe transitions.
I just tested it again on BizHawk, the difference is 145 frames. I don't know what causes it to be not a multiple of 21 then.
I compared the frames on which the screen turn blue (frame number 2109 vs. frame number 1964). Also, the 400 under "TIME" in 1-2 appears exactly 145 frames later.
i knew taking damage or powerups had something to do with it. I always noticed in my Beat 5-4 Attempt whenever i took damage but finished on the same in game second i was behind exactly .55 seconds instead of something according to framerules. So i ended up getting the same framerule and then add the time taken from damage.
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