Spectrum 128 & spectrum48 & AY-3-8910 complete emulation on stm32f407vt6 + 3.2 inch ILI9341 USB keyboard. (Delete resistor R21 1.5K: 3.3v<->USB D+.)

CPM part: https://www.youtube.com/watch?v=-h3XCy79aJw

Take disk image here: https://obsolescence.wixsite.com/obsolescence/multicomp-fpga-cpm-demo-disk

Spectrum part: https://www.youtube.com/watch?v=WKQc5I55Ji8&t=712s

SD card: Partition 1 type Start 2048 : W95 FAT32 (b)
Attributes: 80
Filesystem UUID: xxxx-xxxx
Filesystem: vfat

Dirs on root:

Z48
Put spectrum48 files here.Форматы: .TAP,.Z80,.SNA

Z128
Put spectrum128 files here spectrum128.Форматы: .TAP,.Z80,.SNA

MP3 Put mp3 files here

Short decription (russian): https://habr.com/ru/post/524498/