Yeah I botched that up good. Amstrad CPC-464.
Locomotive BASIC! Were there proprietary chips in the
thing? Yikes the 664 had a built in floppy. Were these
I would have to dig out the service manuals to be sure, but I would think
there was at least one gate array in there to handle video. The video
system was non-standard enough that they can't have used something like a
TMS9927 (is that the PAL version of the 9918, I forget), and if they'd
built it all from TTL, it wouldn't have fitted in the case :-)
-tony