While convenient, online Z80 disassemblers have constraints compared to desktop IDEs:
He had found the old ROM chip in a box of his late father’s things, labeled simply: "Project Zenith." He knew his dad had worked on arcade cabinets in the early eighties, but this specific code didn't match any known game. To understand it, Elias needed to look under the hood. He needed a bridge between the raw machine language and something human-readable. z80 disassembler online
Several online tools and open-source projects allow you to disassemble Z80 machine code directly in your browser or through specialized software. These tools translate binary or hex code back into human-readable assembly language for debugging or reverse engineering Online Z80 Disassemblers Omnimaga Online Z80 Disassembler z80 disassembler online