An Update I Can Count On

I have the first signs of life from the new bus on my PikaPC prototype! The logic ended up being quite a bit less complex than I expected, using only 32 macrocells. It&rsquo;s just simple state machine written in verilog. I did have to rework my plan for bus cycle timing & handshaking to work around more quirks of the PPC403&rsquo;s weird bus interface, but it does work. This took me even further…