FPGA Video card - Version 2.0
While I have already designed a working but minimal FPGA based VGA graphics card based on the Spartan-6 FPGA, I have already designed a follow up design for ...
Recent Posts
DdraigDOS: The early(ish) days
DdraigDOS was born out of a desire to have a proper operating system for Y Ddraig. Initial testing to get the basics of the hardware was done using some basi...
Joypad, V9958 and V9990 Video cards
While I haven’t updated this site in quite a while, I have been making progress on a few different areas of Y Ddraig. On the hardware front, I have finished...
Expansion card: YM2151 Audio
This sound card is based around the Yamaha YM2151 8 channel FM synthesiser. It was used in some Yamaha synthesisers and systems such as the Sharp X68000 and ...
Expansion card: TMS9918A
When I ordered the new PCB for Y Ddraig, I also ordered some additional expansion card PCBs. A couple of these I had made previously and just moved the desig...