Retro CPC Dongle – Part 26

Lab Power, Timing issues, Dodgy eBay Vendors, ESP32 and Sound!

This is a multipart post to get some of the project activities over the past couple of weeks documented. Let’s start with “Lab Power!”

MP3840 from Jaycar

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Retro CPC Dongle – Part 25.1

Following the last post, I connected the USB packet information to the faked keyboard in the FPGA and managed to get this.

There’s a timing issue that I suspect is interrupt related. The key repeat is extremely slow, and this is mainly driven from the 50Hz interrupt line. I faked this signal, so there’s obviously some work to do there! Stay tuned!

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