Recent Posts

It’s Alive

A working serial port! Tracking down the problem Fixing this involved a bit of head-scratching when trying to track down the problem. All logic signa...

First Software

With the hardware assembled and the CPLD programmed it’s time to start writing some code to test and see if the hardware is working. The first program to te...

Address decoding

Before writing any software for Y Ddraig the CPLD will need to be programmed. The CPLD being used here is a Xilinx XC95108 and it is responsible for the addr...

PCB Populated

It’s been a while since any updates but some progress has been made. I’ve populated one of the PCBs and powered up the board. All seems fine so the next step...

PCBs delivered

I have recieved the new PCBs. Ordered from https://jlcpcb.com/. Initial inspection shows the boards seem to be fine. Next step now is to start building up o...