this post was submitted on 03 Aug 2024
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Assembly is hard, because you need to understand your problem on multiple levels and get absolute zero guidance by compilers.
Even C guides you a tiny bit and takes away some of the low level details, so you have more mental capacity to actually solve your problem.
Oh, and you have a standard library. Assembly seems to involve solving everything yourself. No simple function call to truncate a string or turn a char array to uppercase.
Missing ";" on line 148.
Well, they've got a point for the bigger machine codes. Just the barebones specification for x86 is a doorstopper IIRC.
From what I've heard, writing big stuff in assembly comes down to play-acting the compiler yourself on paper, essentially.
TIL. I had tried to understand it a bit, but felt lost pretty fast, and then eventually found out that's because it's huge. Is there a good intro to the basic instructions you're aware of?
By "play act the compiler" I mean a fairly elaborate system of written notes that significantly exceeds the size of the actual program. Like, it's no wonder they started thinking about building machine compilers at that stage.
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Thank you!
What language is your pseudocode example modeled after? It vaguely reminds me of some iOs App code I helped debug (Swift?) but I never really learned the language so much as eyeballed it with educated guesses, and even with the few things I double checked it has been a few years, so I have no clue what is or isn't legal syntax anymore.
I've heard of Kotlin in the context of Android apps, but never actually used or learned it. I did one mobile app dev project with Java in Android Studio, but never had any formal classes on it either and just learned as I went (the result was shit, but we got a decent grade for being able to evaluate the difficulties and shortcomings and point out learnings).
Having toyed with video game reverse engineering, I definitely feel like I ought to learn a bit more. I understand
mov, pointers and registers, and I think there was someincandaddin the code I read to try to figure out base pointers and pointer paths (using Cheat Engine), but I think knowing some more would serve me well there.