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gbdprog

Gameboy Disassembly Progress Calculator

About

gbdprog is a small python3 script meant to give a rough estimate of how far along a gameboy disassembly is. It was originally written for poketcg, but it has been adapted to work with other disassemblies (such as those automatically generated through mgbdis).

Written in Python 3

Features

  • Report amount of bytes being included from a baserom
    • Can use the project's Map file to generate a percentage of bytes accounted for
    • Lists a breakdown of what bank bytes are included from
  • Report unnamed symbols (i.e. symbols that have their own location in the name)
    • can list banks by the amount of unnamed symbols they have
    • Shows a percentage of unnamed vs named symbols
    • Can show a list of unique label prefixes (Any text before the location of the symbol)
    • Can be fed a list of banks to name every single unnamed symbol in that bank.
  • Report magic/unnamed Words (straight hex 16 bit nonzero values)
    • Shows a count of how many 16 bit words are written in the code with no symbol or constant.
    • Shows a breakdown of what files contain how many magic words
    • Has a(n overly) strict mode that hides certain values
  • Minimal run mode
    • Good for quick webhook messages

Setup

There are a few values that are stored in the py file to make things run a bit smoother.

  • grepDir
    • Default: "."
    • Directory for grep to run in by default. Ignored if -d flag is used.
  • incPrintFormat
    • Default: "04x"
    • Format string passed to python's format function for certain printed values.
  • banks
    • Default: 0x40
    • Amount of banks in the game, used for incrom percentage. Ignored if gbdprog is told about a valid map file.
  • unusedBanks
    • Default: 0
    • banks that have absolutely nothing in them, used for incrom percentage. Ignored if gbdprog is told about a valid map file.

Usage

usage: gbdprog.py [-h] [-e MAP] [--auto_map] [-i] [-d DIRECTORY] [-a ADD] [-m]
                  [-p PRINT_FORMAT] [-n] [-s SYMFILE] [-f] [-o]
                  [-l LIST_FUNCS [LIST_FUNCS ...]] [-w] [-t]

Progress checker for poketcg

optional arguments:
  -h, --help            show this help message and exit
  -e MAP, --map MAP     The project's Map file. Used to find various bank data
                        if not already defined. Use --auto_map to assume the
                        map file
  --auto_map            Assume the project's map file using the sym file
  -i, --inc             Turns on include report
  -d DIRECTORY, --directory DIRECTORY
                        Override include search directory. Ignored if include
                        report is off
  -a ADD, --add ADD     Number of bytes that are inc'd using unsupported
                        methods.
  -m, --minimal         Runs reports minimally where possible, using fewer
                        lines than normal
  -p PRINT_FORMAT, --print_format PRINT_FORMAT
                        Format string for printing byte amounts in include
                        report. Ignored if include report is off
  -n, --no_warn         Suppress warnings about unsupported inc methods.
  -s SYMFILE, --symfile SYMFILE
                        Turns on Unnamed Symbol report using given sym file
  -f, --function_source
                        Shows a breakdown of what bank each unnamed function
                        comes from. Ignored if symfile report is off
  -o, --other_unnamed   Shows all other unnamed symbols and a count of how
                        many there are. Ignored if symfile report is off
  -l LIST_FUNCS [LIST_FUNCS ...], --list_funcs LIST_FUNCS [LIST_FUNCS ...]
                        Lists every unnamed function in the given banks. WILL
                        BE LONG. ignored if symfile report is off
  -w, --words           Turns on Word report, which shows all nonzero magic
                        number words
  -t, --strict          Caused Word Report to be more strict, only allowing
                        end of line or ] at the end NOTE: NOT RECOMMENDED DUE
                        TO LINES WITH COMMENTS

Examples:

Simple useful run:
	gbdprog -mis game.sym --auto_map
Full report with too much info:
	gbdprog -ifow -l home -s game.sym

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Gameboy Disassembly Progress Calculator

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