New PCB for Y Ddraig
One of the things that I have been working on is a new circuit board design for Y Ddraig. Superficially the board design is much like the previous revision. ...
Recent Posts
FPGA Video card update
I’ve been working on several areas on Y Ddraig the last couple of months and I have been making some good progress. I’ll be posting some updates on some of t...
FPGA Video card CPU access
In my previous post, I had the VGA output working and was able to display several test patterns. I briefly mentioned that I could read data from the SRAM on ...
FPGA Video card testing
The FPGA video card has been built up. A couple of mistakes in ordering the parts so I ended up with a couple of capacitors that have the wrong footprint but...
FPGA Video card
Now that I have two expansion boards working successfully with Y Ddraig, a sound board based on the Yamaha YM2151 and a video board based on the Yamaha V9958...