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Sleep paralysis demon (lemmy.world)

submitted 4 months ago* (last edited 4 months ago) by deathmetal27@lemmy.world to c/programmerhumor@lemmy.ml

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What does your sleep paralysis demon ask you?

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[–] mindbleach@sh.itjust.works 1 points 4 months ago (1 children)

I'm writing an NES game in C and struggling with some nonsense that'd be trivial in ASM, so I'm recently inclined to say yes.

[–] brisk@aussie.zone 1 points 4 months ago (1 children)

Can you just drop to assembly for what you want to do? Gnu compilers even have inline assembly, but with any compiler you should at least be able to built a separate, assembly, object file.

[–] mindbleach@sh.itjust.works 1 points 4 months ago

I can and have, and it's still a tremendous pain in the ass to launder the addresses for labels. The hottest loop in the game draws an arbitrary span of the same tile. It should be trivial to do a jump table - to grab an address from an array and go there. 13 tiles? goto jump[13]. (Or really some stack / return shenanigans, because the 6502 is odd.) But if there's any way to get cc65 to shove the location of an instruction into an array, I haven't found it.