@Ogun
>>Well, it might just be that that core is not optimized.
Sure! There might also be the remote and slightly bizarre possibility that this Dennis guy is telling a truckload of lies.......
Also, the Altera core you mentioned contains a highly optimised processor core emulating a C64, not a circuit replica, which is more akin to running UAE then having the real thing.
Anyways, lets' not give undeserved attention to Dennis, the hallucinating bloke. When a trustworthy member of this community sees the FPGA Amiga in action, then I'll beleive this tale, otherwise, let's not fuel this attention seekers' fire any longer, shall we?