A simple, fragile script to parse the symbol output from the DASM assembler's -s argument and convert it to a FCEUX NES emulator compatible format for debugging and development purposes. This enables the user to see meaningful labels in the FCEUX debugger instead of raw addresses, where appropriate.
This is a first pass attempt, quickly made for use in a game jam.
Generate your assembler output, being sure to generate a symbol dump with -s
dasm myfile.asm -f3 -omyrom.nes -smyrom.nes.sym
Pass the symbol dump to DASM-symbol-to-FCEUX-nl
dasm-symbol-to-fceux.py myrom.nes.sym myrom.nes.nl
Or, if not executable,
python dasm-symbol-to-fceux.py myrom.nes.sym myrom.nes.nl
Launch FCEUX, ensuring the .nl file is in the same directory as the nes rom
fceux myrom.nes