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A synth project
Having had a couple of months break from synths I decided to pick up an old project (early 2025) and start work on it. This is user interface for the rather excellent XVA1 (or XFM2) from Futur3 Sounds so there is nothing of mine sound engine wise in there, so this is a step to getting back into making my own synths. We have a 480×272 TFT with touch screen, 11 OLED displays, 6 rotary encoders, 16 buttons (with LEDs) and a pot for volume (not fitted above). The touch screen is working as are all the OLEDs and buttons. Also the rotary encoders are working. On the back is…
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PC6502 Progress
In my previous blog entry I posted about the 6502 computer PCB I made, since then a lot of progress has been made. A lot. Firstly the timing issue has been overcome, the 6502 will now happily run at 14MHz (tested up to 17MHz), the issue was that the way I had implemented the logic in the CPLD for the FT245 serial port was messed up. My partner, Jayne, helped with that and found the issue. I’ve also added a whole bunch of different PCBs, so here’s a couple of pictures; So bottom to top; Aside from the Apple II slot everything is working a treat. Here is a demo…