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    powersoffour (powersoffour@mastodon.social)'s status on Saturday, 16-Mar-2024 00:49:50 JSTpowersoffourpowersoffour
    in reply to
    • Clément Robert :python:

    @neutrinoceros One thing I've been seeing in DOS stuff is often fundamental constraints were applied on certain values. Like, if a variable was defined as AX & 0x0f, then it couldn't possibly be more than 15. But when Ghidra runs into a jump table that uses an offset based on, say, (AX&0xf), it will still assume that it could taken on values up to 255 -- which ends up with jump targets all over the code. Anyway this has been kinda fun and makes me think about switch-y statements differently.

    In conversationSaturday, 16-Mar-2024 00:49:50 JST from mastodon.socialpermalink
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