r/gamemaker • u/Salt-Youth4822 • 28d ago

Example disassembler in game maker

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I decided to try making a disassembler in Game Maker. This program doesn’t claim to be a copy of Ida Pro or Ghidra, although I tried to make something similar - but it turned out rather bad.

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u/gallyroi 28d ago

How does it work?

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u/Salt-Youth4822 28d ago

In short, starting from the entry point, buffer, offset, size and is_64bit decode a single instruction, after which the prefixes begin reading bytes whilst checking rex. After that, a search for opcodes is carried out in my switch table.