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wongojack, August 15, 2019 in Atari 2600 Hacks
Don't look good...code is pretty tight in this game. That and because many of the "worst case scenarios" in the kernel push cycle counts into the 60's and 70's means there's not much opportunity to poll INPT. The less and inconsistent opportunities which remain may not be enough for a good sample rate.
On the bright side, most of the branching done is dedicated (i.e. the tagged destination is always reached from 1 specific branch), so it's feasible to spread sampling code across 2 consecutive scanlines - like what was done with Centipede. Highly doubt you'd be able to retain the 4k romsize, tho.
Hm...unless choppy movement is acceptable, where the player only appears directly above one of the six windows. That only needs 6 samples at a general spacing within the display.
Choppy movement is probably a dealbreaker for some people, but I would certainly give it a try.
Well, if adding paddle controls isn't doable, would adding driving controllers doable?
That could be a worse solution than choppy paddles...you still need to build up a decent sampling ratio within the display - Otherwise, the player could end up moving the opposite direction than instructed if you turned the knob too fast between the code that does the checking.
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