The A NES musicdisk (256kB MMC1)
An electronic christmas card from me (40kB NROM PAL)
The Chip Addiction demo. (40kB NROM) | source
Stuck in Castle Nessenstein. (40kB NROM PAL)
Don't run the demos marked with "PAL" in NTSC mode, since they more or less require PAL mode to run properly. Also, use a decent emulator (if you can't run them on a real NES). I've gotten good results with FCE Ultra, Nintendulator and VirtuaNES.
A flag effect (8kB) | source
Some old-school effects (12kB)
A demo of a flatshaded cube (21kB)
Some rotating 3D letters (22kB)
A small Megadrive demo inspired by Keroro Gunso (27kB)
Source code for the KeroDemo. Compiles with m68k-coff-gcc
Need an emulator, test roms or maybe a devkit? visit these sites:
GBADev.org
devrs.com/gba
Public domain ROMs
DevkitARM|PPC|PSP
NES Dev
SMS Power
SegaXtreme
Zophar's Domain