A decompiler attempts to go further: from assembly back to a high-level language like C. This is an —information about variable names, original loop structures, and comments is irretrievably lost during compilation. Modern decompilers use heuristics, pattern matching, and data-flow analysis to produce approximate C code.
If you need to "decompile" the physical device (disassembly), you will need specific precision tools for the proprietary screws: Tri-Wing Precision Screwdriver nds decompiler
Based on your request, it seems you are looking for information, tools, or a guide regarding . A decompiler attempts to go further: from assembly
: A versatile viewer and editor for NDS files. It is best used for extracting and converting non-code assets like images, text, and sounds. 2. The Decompilation Workflow If you need to "decompile" the physical device
These are professional-grade reverse engineering suites. Ghidra, developed by the NSA, has become a favorite for NDS enthusiasts because it is free and supports ARM7/ARM9 architectures out of the box with excellent C-output. Decompilation Projects (The "Big Ones"):