Hi,

Galaxy Invader 1000 was a c1979 handheld game, and a while ago I
wrote an emulation of it on the GBA (complete with sampled sound
effects and authentic flickering graphics). It's very silly, but
actually fun if you remember the original.

Anyway, I've made the source available on my site. My original
source is released as PUBLIC DOMAIN. That means you can do pretty
much anything you want with it.

http://www.geocities.com/grumpycatsoftware

It's my 2nd ever program for the GBA (the first being Thrust), so
the code isn't a great example of anything, but hopefully it can
demonstrate something about something.

It's built on Devkit Advance. No special tools.

Regards,
Grumpy.