A new CPC 6128 core is available for our beloved ZX-UNO. Thanks to the effort from the user jepalza and Renaud Helias (author of the core) we can now enjoy this core supporting DSK loading directly from the SD card. You can get the files here:
http://www.zxuno.com/forum/viewtopic.php?f=59&t=1933&sid=36517afebef4000dc66ac16cb2e30af7