Files for testing:
https://zxfiles.net/download/elzxmb/FDMATEST.TAR
https://zxfiles.net/download/elzxmb/SDMAPLAY.TAR
(flash the latest FPGA core, download it from 128land.com)
The latest ZXDB update will be applied this evening at 1800 BST. The update takes around 30 minutes, and the site goes down whilst this happens.