gbsem Gameboy ROM Assembler

A simple Gameboy DMG ROM Assembler written in Python3.

Features

• Wide variey of Assembly syntax accepted
• Descriptive error messages when errors are found

Future Features

• Support for macros
• Listing file generation

Requirements

1. Python 3.10 or greater
   To install (Debian based distros): sudo apt-get install python3.10

2. Files must be executable i.e.
   chmod 777 src/*

Command line usage (Linux):

./src/gbsem.py path_to_input [path_to_output]
eg. ./src/gbsem.py ~/gb/mygame.asm ~/gb/rom/mygamerom.gb

Input file: Gameboy assembly code (usually .asm).
Output file: Gameboy ROM (.gb)

If output filename is not specified it will be the input filename with a .gb extension in the same directory as the input.