Yes it is a powered CPC 64 with Z80 at 24 Mhz!!!! see here:
http://www.symbos.de/trex.htm (it's something like Atm Turbo / Sprinter)
and the vido is recorded with that computer!!!! but i think that cooperative multitasking is possible to run it also in a 3.5 Mhz with some slowly reflex.....