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Last year, as a fun side project, I began disassembling and documenting #Faxanadu for #NES. I love this game. Wanted to know how it works internally. And it's fascinating. 3 built-in scripting languages, level select code, signs of an older game. chipx86.com/faxanadu/ #retro #gamedev #projects

Nintendo was so impressed with that game they gave it the marketing of a 1st party published game that only other developers could dream about. Hudson must have loved that. The mist stages were pretty neat as far a graphical effects went. I'm no expert, but some sort of animated tiles I guess?

It was sooo good! Yeah, the way it works is that they have a block of mist tiles loaded into the PPU, which are drawn as both background and foreground tiles. Then at different intervals, they rotate a column of pixels around to the right by 1px each. And that creates the most look.

That's amazing. 😊