login as root:

wget http://www.frank-buss.de/raspberrypi/vice_2.3.dfsg-4_armhf.deb
dpkg -i vice_2.3.dfsg-4_armhf.deb
wget http://www.zimmers.net/anonftp/pub/cbm/crossplatform/emulators/VICE/old/vice-1.5-roms.tar.gz
tar -xvzf vice-1.5-roms.tar.gz
cp -a vice-1.5-roms/data/* /usr/lib/vice/
startx
open a terminal and start "x64"