Use the XBoo cable to upload a file to a GBA
This is a command line application to upload a file to a Gameboy Advance (GBA or GBA SP). It can work on Windows, Linux and *BSD platforms. It uses the parallel port, and can use PCMCIA, PCI and PCI express parallel port adapters. It won't work with USB to parallel adapters.
This project is the Linux wavplay command line utility used for playing "wav" files.