> That wasn't in regards to Stiletto's post but > I thought modern MAME leverages x86 and > x64 architecture much more so today than it did in the past.
Well it does leverage x86 - we have x86 DRCs for PPC, MIPS, SH2, etc. and there's a bunch of SSE code for bilinear filter, etc. but none of this has been done at the expense of portability.