On 2/27/24 14:09, Paul Koning via cctalk wrote:
Suppose you had schematics of, say, a KA-10. You
could turn those gates into VHDL or Verilog, and that should deliver an exact replica of
the original machine, bug for bug compatible. That assumes the timing quirks are
manageable, which for most machines should be true. (It isn't for a CDC 6600.)
A section manager from years ago mentioned to me that, as a fresh EE out
of school, his first job at CDC was measuring the loops of (taper pin)
wire on the 6600 to which Seymour had attached tags that said "tune".
--Chuck